diff --git a/internal/execute/tsctests/extract.go b/internal/execute/tsctests/extract.go
new file mode 100644
index 00000000000..d9f14b3bf24
--- /dev/null
+++ b/internal/execute/tsctests/extract.go
@@ -0,0 +1,355 @@
+package tsctests
+
+import (
+	"crypto/sha1"
+	"encoding/hex"
+	"fmt"
+	"go/format"
+	"io/fs"
+	"maps"
+	"os"
+	"path/filepath"
+	"regexp"
+	"slices"
+	"strconv"
+	"strings"
+	"sync"
+	"testing/fstest"
+	"time"
+
+	"github.com/microsoft/typescript-go/internal/repo"
+)
+
+// capturedFsEntry is a comparable snapshot of a single entry on the test file
+// system. Exactly one of content or symlink is non-empty. mtime is included
+// so that "touch without content change" edits can be detected.
+type capturedFsEntry struct {
+	content string
+	symlink string
+	mtime   time.Time
+}
+
+// capturedEditOp describes one observed effect of running a tscEdit's edit
+// function, used to generate equivalent calls in the extracted test file.
+type capturedEditOp struct {
+	op      string // "write", "remove", "symlink"
+	path    string
+	content string // for "write" (file content) or "symlink" (target path)
+}
+
+// captureFsSnapshot returns a comparable map of the current user-visible
+// state of the test file system, excluding files that were auto-injected as
+// default library files.
+func captureFsSnapshot(sys *TestSys) map[string]capturedFsEntry {
+	snap := map[string]capturedFsEntry{}
+	libs := sys.fs.defaultLibs
+	m := sys.mapFs()
+	for path, file := range m.Entries() {
+		if libs != nil && libs.Has(path) {
+			continue
+		}
+		if file.Mode&fs.ModeSymlink != 0 {
+			target, _ := m.GetTargetOfSymlink(path)
+			snap[path] = capturedFsEntry{symlink: target, mtime: file.ModTime}
+		} else if file.Mode.IsRegular() {
+			snap[path] = capturedFsEntry{content: string(file.Data), mtime: file.ModTime}
+		}
+	}
+	return snap
+}
+
+// diffFsSnapshots reports the operations needed to transform before into
+// after. Removals come first, then writes (sorted by path), so the generated
+// code is deterministic.
+func diffFsSnapshots(before, after map[string]capturedFsEntry) []capturedEditOp {
+	var ops []capturedEditOp
+	removed := make([]string, 0)
+	for path := range before {
+		if _, ok := after[path]; !ok {
+			removed = append(removed, path)
+		}
+	}
+	slices.Sort(removed)
+	for _, p := range removed {
+		ops = append(ops, capturedEditOp{op: "remove", path: p})
+	}
+	changed := make([]string, 0)
+	for path, ae := range after {
+		if be, ok := before[path]; !ok || be != ae {
+			changed = append(changed, path)
+		}
+	}
+	slices.Sort(changed)
+	for _, p := range changed {
+		e := after[p]
+		if e.symlink != "" {
+			ops = append(ops, capturedEditOp{op: "symlink", path: p, content: e.symlink})
+		} else {
+			ops = append(ops, capturedEditOp{op: "write", path: p, content: e.content})
+		}
+	}
+	return ops
+}
+
+// writeTestSourceFile emits a standalone _test.go file under
+// internal/execute/tsctests/tests/ that, when executed, reproduces the given
+// test scenario by constructing an equivalent [TestSpec] and invoking Run on
+// it. Edit functions are reconstructed from the observed file system effects
+// captured during the original run.
+func (test *tscInput) writeTestSourceFile(scenario string, editOps [][]capturedEditOp) {
+	funcName := makeTestFuncName(test.getBaselineSubFolder(), scenario, test.subScenario)
+	source := test.renderTestSource(scenario, funcName, editOps)
+	if formatted, err := format.Source([]byte(source)); err == nil {
+		source = string(formatted)
+	}
+
+	outDir := filepath.Join(repo.RootPath(), "internal", "execute", "tsctests", "tests")
+	if err := os.MkdirAll(outDir, 0o755); err != nil {
+		panic(fmt.Errorf("tsctests: failed to create %s: %w", outDir, err))
+	}
+	testFileName := funcName + "_test.go"
+	testFileName = strings.ToLower(testFileName[:1]) + testFileName[1:]
+	outPath := filepath.Join(outDir, testFileName)
+	if existing, err := os.ReadFile(outPath); err == nil && string(existing) == source {
+		return
+	}
+	if err := os.WriteFile(outPath, []byte(source), 0o644); err != nil {
+		panic(fmt.Errorf("tsctests: failed to write %s: %w", outPath, err))
+	}
+}
+
+func (test *tscInput) renderTestSource(scenario string, funcName string, editOps [][]capturedEditOp) string {
+	needsVfstest := fileMapNeedsVfstest(test.files) || editOpsNeedVfstest(editOps)
+
+	var b strings.Builder
+	b.WriteString("// Code generated by tsctests; DO NOT EDIT.\n")
+	b.WriteString("\n")
+	b.WriteString("package tests\n")
+	b.WriteString("\n")
+	b.WriteString("import (\n")
+	b.WriteString("\t\"testing\"\n")
+	b.WriteString("\n")
+	b.WriteString("\t\"github.com/microsoft/typescript-go/internal/execute/tsctests\"\n")
+	if needsVfstest {
+		b.WriteString("\t\"github.com/microsoft/typescript-go/internal/vfs/vfstest\"\n")
+	}
+	b.WriteString(")\n")
+	b.WriteString("\n")
+
+	fmt.Fprintf(&b, "func Test%s(t *testing.T) {\n", funcName)
+	b.WriteString("\ttest := &tsctests.TestSpec{\n")
+	fmt.Fprintf(&b, "\t\tScenario:    %s,\n", strconv.Quote(scenario))
+	fmt.Fprintf(&b, "\t\tSubScenario: %s,\n", strconv.Quote(test.subScenario))
+	if test.commandLineArgs != nil {
+		fmt.Fprintf(&b, "\t\tCommandLineArgs: %s,\n", formatStringSlice(test.commandLineArgs))
+	}
+	if test.cwd != "" {
+		fmt.Fprintf(&b, "\t\tCwd: %s,\n", strconv.Quote(test.cwd))
+	}
+	if test.ignoreCase {
+		b.WriteString("\t\tIgnoreCase: true,\n")
+	}
+	if test.windowsStyleRoot != "" {
+		fmt.Fprintf(&b, "\t\tWindowsStyleRoot: %s,\n", strconv.Quote(test.windowsStyleRoot))
+	}
+	if len(test.env) > 0 {
+		writeEnvField(&b, test.env, "\t\t")
+	}
+	if len(test.files) > 0 {
+		writeFilesField(&b, test.files, "\t\t")
+	}
+	b.WriteString("\t}\n")
+	b.WriteString("\ttest.Start(t)\n")
+	if len(test.edits) > 0 {
+		writeEditCalls(&b, test.edits, editOps, "\t")
+	}
+	b.WriteString("\ttest.End()\n")
+	b.WriteString("}\n")
+
+	return b.String()
+}
+
+func fileMapNeedsVfstest(files FileMap) bool {
+	for _, v := range files {
+		if mf, ok := v.(*fstest.MapFile); ok && mf.Mode&fs.ModeSymlink != 0 {
+			return true
+		}
+	}
+	return false
+}
+
+func editOpsNeedVfstest(editOps [][]capturedEditOp) bool {
+	for _, ops := range editOps {
+		for _, op := range ops {
+			if op.op == "symlink" {
+				return true
+			}
+		}
+	}
+	return false
+}
+
+func writeEnvField(b *strings.Builder, env map[string]string, indent string) {
+	fmt.Fprintf(b, "%sEnv: map[string]string{\n", indent)
+	keys := slices.Sorted(maps.Keys(env))
+	for _, k := range keys {
+		fmt.Fprintf(b, "%s\t%s: %s,\n", indent, strconv.Quote(k), strconv.Quote(env[k]))
+	}
+	fmt.Fprintf(b, "%s},\n", indent)
+}
+
+func writeFilesField(b *strings.Builder, files FileMap, indent string) {
+	fmt.Fprintf(b, "%sFiles: tsctests.FileMap{\n", indent)
+	keys := slices.Sorted(maps.Keys(files))
+	for _, k := range keys {
+		fmt.Fprintf(b, "%s\t%s: %s,\n", indent, strconv.Quote(k), formatFileMapValue(files[k]))
+	}
+	fmt.Fprintf(b, "%s},\n", indent)
+}
+
+func formatFileMapValue(v any) string {
+	switch tv := v.(type) {
+	case string:
+		return formatStringLiteral(tv)
+	case []byte:
+		return formatStringLiteral(string(tv))
+	case *fstest.MapFile:
+		if tv.Mode&fs.ModeSymlink != 0 {
+			target := string(tv.Data)
+			if !strings.HasPrefix(target, "/") {
+				target = "/" + target
+			}
+			return fmt.Sprintf("vfstest.Symlink(%s)", strconv.Quote(target))
+		}
+		return formatStringLiteral(string(tv.Data))
+	default:
+		return fmt.Sprintf("%q /* unsupported FileMap value type %T */", fmt.Sprintf("%v", v), v)
+	}
+}
+
+func writeEditCalls(b *strings.Builder, edits []*tscEdit, editOps [][]capturedEditOp, indent string) {
+	for i, e := range edits {
+		b.WriteString("\n")
+		fmt.Fprintf(b, "%stest.Edit(&tsctests.TestEdit{\n", indent)
+		if e.caption != "" {
+			fmt.Fprintf(b, "%s\tCaption: %s,\n", indent, strconv.Quote(e.caption))
+		}
+		if e.commandLineArgs != nil {
+			fmt.Fprintf(b, "%s\tCommandLineArgs: %s,\n", indent, formatStringSlice(e.commandLineArgs))
+		}
+		if e.expectedDiff != "" {
+			fmt.Fprintf(b, "%s\tExpectedDiff: %s,\n", indent, strconv.Quote(e.expectedDiff))
+		}
+		if i < len(editOps) && len(editOps[i]) > 0 {
+			fmt.Fprintf(b, "%s\tEdit: func(sys *tsctests.TestSys) {\n", indent)
+			for _, op := range editOps[i] {
+				switch op.op {
+				case "write":
+					fmt.Fprintf(b, "%s\t\tsys.WriteFile(%s, %s)\n", indent, strconv.Quote(op.path), formatStringLiteral(op.content))
+				case "remove":
+					fmt.Fprintf(b, "%s\t\tsys.Remove(%s)\n", indent, strconv.Quote(op.path))
+				case "symlink":
+					// TestSys does not yet expose a way to create symlinks at
+					// runtime; record the intent so a human can finish the
+					// edit by hand if needed.
+					fmt.Fprintf(b, "%s\t\t_ = vfstest.Symlink(%s) // TODO: create symlink at %s\n", indent, strconv.Quote(op.content), strconv.Quote(op.path))
+				}
+			}
+			fmt.Fprintf(b, "%s\t},\n", indent)
+		}
+		fmt.Fprintf(b, "%s})\n", indent)
+	}
+}
+
+// formatStringLiteral picks the most readable Go string literal for s. Raw
+// string literals are preferred for multi-line content, falling back to
+// double-quoted strings when the content contains characters that cannot
+// appear in a raw literal (e.g. a backtick).
+func formatStringLiteral(s string) string {
+	if shouldUseRawLiteral(s) {
+		return "`" + s + "`"
+	}
+	return strconv.Quote(s)
+}
+
+func shouldUseRawLiteral(s string) bool {
+	if strings.ContainsAny(s, "`\r") {
+		return false
+	}
+	if !strings.Contains(s, "\n") {
+		return false
+	}
+	for _, r := range s {
+		// Raw strings preserve every byte literally, but they must contain
+		// only valid printable runes plus tab/newline to round-trip cleanly.
+		if r == '\t' || r == '\n' {
+			continue
+		}
+		if r < 0x20 || r == 0x7f {
+			return false
+		}
+	}
+	return true
+}
+
+func formatStringSlice(slice []string) string {
+	parts := make([]string, len(slice))
+	for i, s := range slice {
+		parts[i] = strconv.Quote(s)
+	}
+	return "[]string{" + strings.Join(parts, ", ") + "}"
+}
+
+var (
+	identSanitizer = regexp.MustCompile(`[^A-Za-z0-9]+`)
+
+	// usedFuncNames tracks generated test function names within this process
+	// so that two distinct (scenario, subScenario) pairs that sanitize to the
+	// same identifier do not silently overwrite each other.
+	usedFuncNames   = map[string]struct{}{}
+	usedFuncNamesMu sync.Mutex
+)
+
+// makeTestFuncName produces a unique, valid Go identifier suitable for use as
+// a test function name. It joins the supplied parts with underscores and
+// appends a short hash suffix when the sanitized result would be ambiguous.
+func makeTestFuncName(parts ...string) string {
+	var b strings.Builder
+	joinedRaw := strings.Join(parts, "/")
+	for i, p := range parts {
+		sanitized := identSanitizer.ReplaceAllString(p, "_")
+		sanitized = strings.Trim(sanitized, "_")
+		if sanitized == "" {
+			continue
+		}
+		if i != 0 {
+			b.WriteByte('_')
+		} else {
+			sanitized = strings.ToUpper(sanitized[:1]) + sanitized[1:] // Test function must start with uppercase
+		}
+
+		b.WriteString(sanitized)
+	}
+
+	const maxLen = 160
+	name := b.String()
+	if len(name) > maxLen {
+		sum := sha1.Sum([]byte(joinedRaw))
+		suffix := "_" + hex.EncodeToString(sum[:4])
+		name = name[:maxLen-len(suffix)] + suffix
+	}
+
+	usedFuncNamesMu.Lock()
+	defer usedFuncNamesMu.Unlock()
+	if _, taken := usedFuncNames[name]; taken {
+		sum := sha1.Sum([]byte(joinedRaw))
+		suffix := "_" + hex.EncodeToString(sum[:4])
+		candidate := name + suffix
+		if len(candidate) > maxLen {
+			candidate = name[:maxLen-len(suffix)] + suffix
+		}
+		name = candidate
+	}
+	usedFuncNames[name] = struct{}{}
+	return name
+}
diff --git a/internal/execute/tsctests/runner.go b/internal/execute/tsctests/runner.go
index 8adfca02233..7e4de4bcb1e 100644
--- a/internal/execute/tsctests/runner.go
+++ b/internal/execute/tsctests/runner.go
@@ -38,6 +38,10 @@ type tscInput struct {
 	env              map[string]string
 	ignoreCase       bool
 	windowsStyleRoot string
+	// extracted is true when this tscInput was constructed from a [TestSpec]
+	// (e.g. by a generated test file). When true, run() skips the call to
+	// writeTestSourceFile to avoid re-emitting the same generated file.
+	extracted bool
 }
 
 func (test *tscInput) executeCommand(sys *TestSys, baselineBuilder *strings.Builder, commandLineArgs []string) tsc.CommandLineResult {
@@ -66,74 +70,146 @@ func (test *tscInput) run(t *testing.T, scenario string) {
 	t.Helper()
 	t.Run(test.getBaselineSubFolder()+"/"+test.subScenario, func(t *testing.T) {
 		t.Parallel()
-		// initial test tsc compile
-		baselineBuilder := &strings.Builder{}
-		sys := newTestSys(test, false)
-		fmt.Fprint(
-			baselineBuilder,
-			"currentDirectory::",
-			sys.GetCurrentDirectory(),
-			"\nuseCaseSensitiveFileNames::",
-			sys.FS().UseCaseSensitiveFileNames(),
-			"\nInput::\n",
-		)
-		sys.baselineFSwithDiff(baselineBuilder)
-		result := test.executeCommand(sys, baselineBuilder, test.commandLineArgs)
-		sys.serializeState(baselineBuilder)
-		var unexpectedDiff strings.Builder
-		unexpectedDiff.WriteString(sys.baselinePrograms(baselineBuilder, "Initial build"))
-
-		for index, do := range test.edits {
-			sys.clearOutput()
-			wg := core.NewWorkGroup(false)
-			var nonIncrementalSys *TestSys
-			commandLineArgs := core.IfElse(do.commandLineArgs == nil, test.commandLineArgs, do.commandLineArgs)
-			wg.Queue(func() {
-				baselineBuilder.WriteString(fmt.Sprintf("\n\nEdit [%d]:: %s\n", index, do.caption))
-				if do.edit != nil {
-					do.edit(sys)
-				}
-				sys.baselineFSwithDiff(baselineBuilder)
-
-				if result.Watcher == nil {
-					test.executeCommand(sys, baselineBuilder, commandLineArgs)
-				} else {
-					result.Watcher.DoCycle()
-				}
-				sys.serializeState(baselineBuilder)
-				unexpectedDiff.WriteString(sys.baselinePrograms(baselineBuilder, fmt.Sprintf("Edit [%d]:: %s\n", index, do.caption)))
-			})
-			wg.Queue(func() {
-				// Compute build with all the edits
-				nonIncrementalSys = newTestSys(test, true)
-				for i := range index + 1 {
-					if test.edits[i].edit != nil {
-						test.edits[i].edit(nonIncrementalSys)
-					}
-				}
-				execute.CommandLine(nonIncrementalSys, commandLineArgs, nonIncrementalSys)
-			})
-			wg.RunAndWait()
-
-			diff := getDiffForIncremental(sys, nonIncrementalSys)
-			if diff != "" {
-				baselineBuilder.WriteString(fmt.Sprintf("\n\nDiff:: %s\n", core.IfElse(do.expectedDiff == "", "!!! Unexpected diff, please review and either fix or write explanation as expectedDiff !!!", do.expectedDiff)))
-				baselineBuilder.WriteString(diff)
-				if do.expectedDiff == "" {
-					unexpectedDiff.WriteString(fmt.Sprintf("Edit [%d]:: %s\n!!! Unexpected diff, please review and either fix or write explanation as expectedDiff !!!\n%s\n", index, do.caption, diff))
-				}
-			} else if do.expectedDiff != "" {
-				baselineBuilder.WriteString(fmt.Sprintf("\n\nDiff:: %s !!! Diff not found but explanation present, please review and remove the explanation !!!\n", do.expectedDiff))
-				unexpectedDiff.WriteString(fmt.Sprintf("Edit [%d]:: %s\n!!! Diff not found but explanation present, please review and remove the explanation !!!\n", index, do.caption))
-			}
-		}
-		baseline.Run(t, strings.ReplaceAll(test.subScenario, " ", "-")+".js", baselineBuilder.String(), baseline.Options{Subfolder: filepath.Join(test.getBaselineSubFolder(), scenario)})
-		if unexpectedDiff.String() != "" {
-			t.Errorf("Test %s has unexpected diff %s with incremental build, please review the baseline file", test.subScenario, unexpectedDiff.String())
+		state := test.start(t, scenario)
+		for _, do := range test.edits {
+			test.runEdit(state, do)
 		}
+		test.end(state)
 	})
 }
 
+// tscInputState holds the per-run state created by [tscInput.start] and
+// threaded through [tscInput.runEdit] and [tscInput.end]. It is used both by
+// the legacy declarative [tscInput.run] entry point and by the imperative
+// Start/Edit/End methods on [TestSpec] used by generated test files.
+type tscInputState struct {
+	t               *testing.T
+	scenario        string
+	sys             *TestSys
+	result          tsc.CommandLineResult
+	baselineBuilder *strings.Builder
+	unexpectedDiff  *strings.Builder
+	// editOps records the file-system operations observed while running each
+	// edit. Only populated when the test was not loaded from an extracted
+	// source file, since generated tests do not need to re-emit themselves.
+	editOps [][]capturedEditOp
+	// appliedEdits is the list of edits that have been run so far (in order).
+	// The non-incremental comparison build needs to replay every preceding
+	// edit before applying the current one, so we keep them around for the
+	// lifetime of the test.
+	appliedEdits []*tscEdit
+	// editIndex is the 0-based index of the next edit to be run.
+	editIndex int
+	// ended indicates that [tscInput.end] has already run, so subsequent
+	// Edit/End calls can be rejected.
+	ended bool
+}
+
+// start performs the initial build for a test and returns the in-progress
+// state. Callers must invoke runEdit zero or more times followed by end.
+func (test *tscInput) start(t *testing.T, scenario string) *tscInputState {
+	t.Helper()
+	state := &tscInputState{
+		t:               t,
+		scenario:        scenario,
+		baselineBuilder: &strings.Builder{},
+		unexpectedDiff:  &strings.Builder{},
+	}
+	state.sys = newTestSys(test, false)
+	fmt.Fprint(
+		state.baselineBuilder,
+		"currentDirectory::",
+		state.sys.GetCurrentDirectory(),
+		"\nuseCaseSensitiveFileNames::",
+		state.sys.FS().UseCaseSensitiveFileNames(),
+		"\nInput::\n",
+	)
+	state.sys.baselineFSwithDiff(state.baselineBuilder)
+	state.result = test.executeCommand(state.sys, state.baselineBuilder, test.commandLineArgs)
+	state.sys.serializeState(state.baselineBuilder)
+	state.unexpectedDiff.WriteString(state.sys.baselinePrograms(state.baselineBuilder, "Initial build"))
+	return state
+}
+
+// runEdit applies a single edit to the in-progress state, runs the
+// incremental and non-incremental builds, and appends the result to the
+// baseline being accumulated.
+func (test *tscInput) runEdit(state *tscInputState, do *tscEdit) {
+	if state.ended {
+		panic("tscInput.runEdit called after end")
+	}
+	index := state.editIndex
+	state.editIndex++
+	state.appliedEdits = append(state.appliedEdits, do)
+	extractEdits := !test.extracted
+
+	sys := state.sys
+	sys.clearOutput()
+	var nonIncrementalSys *TestSys
+	commandLineArgs := core.IfElse(do.commandLineArgs == nil, test.commandLineArgs, do.commandLineArgs)
+	state.baselineBuilder.WriteString(fmt.Sprintf("\n\nEdit [%d]:: %s\n", index, do.caption))
+	var beforeSnap map[string]capturedFsEntry
+	if extractEdits {
+		beforeSnap = captureFsSnapshot(sys)
+	}
+	if do.edit != nil {
+		do.edit(sys)
+	}
+	if extractEdits {
+		for len(state.editOps) <= index {
+			state.editOps = append(state.editOps, nil)
+		}
+		state.editOps[index] = diffFsSnapshots(beforeSnap, captureFsSnapshot(sys))
+	}
+	sys.baselineFSwithDiff(state.baselineBuilder)
+
+	if state.result.Watcher == nil {
+		test.executeCommand(sys, state.baselineBuilder, commandLineArgs)
+	} else {
+		state.result.Watcher.DoCycle()
+	}
+	sys.serializeState(state.baselineBuilder)
+	state.unexpectedDiff.WriteString(sys.baselinePrograms(state.baselineBuilder, fmt.Sprintf("Edit [%d]:: %s\n", index, do.caption)))
+
+	// Compute build with all the edits applied so far in order.
+	nonIncrementalSys = newTestSys(test, true)
+	for _, e := range state.appliedEdits {
+		if e.edit != nil {
+			e.edit(nonIncrementalSys)
+		}
+	}
+	execute.CommandLine(nonIncrementalSys, commandLineArgs, nonIncrementalSys)
+
+	diff := getDiffForIncremental(sys, nonIncrementalSys)
+	if diff != "" {
+		state.baselineBuilder.WriteString(fmt.Sprintf("\n\nDiff:: %s\n", core.IfElse(do.expectedDiff == "", "!!! Unexpected diff, please review and either fix or write explanation as expectedDiff !!!", do.expectedDiff)))
+		state.baselineBuilder.WriteString(diff)
+		if do.expectedDiff == "" {
+			state.unexpectedDiff.WriteString(fmt.Sprintf("Edit [%d]:: %s\n!!! Unexpected diff, please review and either fix or write explanation as expectedDiff !!!\n%s\n", index, do.caption, diff))
+		}
+	} else if do.expectedDiff != "" {
+		state.baselineBuilder.WriteString(fmt.Sprintf("\n\nDiff:: %s !!! Diff not found but explanation present, please review and remove the explanation !!!\n", do.expectedDiff))
+		state.unexpectedDiff.WriteString(fmt.Sprintf("Edit [%d]:: %s\n!!! Diff not found but explanation present, please review and remove the explanation !!!\n", index, do.caption))
+	}
+}
+
+// end finalises the run by writing the extracted test source file (when
+// applicable), running the baseline comparison, and reporting unexpected
+// diffs against the non-incremental build.
+func (test *tscInput) end(state *tscInputState) {
+	if state.ended {
+		panic("tscInput.end called twice")
+	}
+	state.ended = true
+	if !test.extracted {
+		test.writeTestSourceFile(state.scenario, state.editOps)
+	}
+	baseline.Run(state.t, strings.ReplaceAll(test.subScenario, " ", "-")+".js", state.baselineBuilder.String(), baseline.Options{Subfolder: filepath.Join(test.getBaselineSubFolder(), state.scenario)})
+	if state.unexpectedDiff.String() != "" {
+		state.t.Errorf("Test %s has unexpected diff %s with incremental build, please review the baseline file", test.subScenario, state.unexpectedDiff.String())
+	}
+}
+
 func getDiffForIncremental(incrementalSys *TestSys, nonIncrementalSys *TestSys) string {
 	var diffBuilder strings.Builder
 
diff --git a/internal/execute/tsctests/spec.go b/internal/execute/tsctests/spec.go
new file mode 100644
index 00000000000..3f3c44f3135
--- /dev/null
+++ b/internal/execute/tsctests/spec.go
@@ -0,0 +1,98 @@
+package tsctests
+
+import "testing"
+
+// TestSpec is the exported representation of a tscInput. It exists so that
+// generated test files in subpackages can construct and drive a single test
+// scenario through the [TestSpec.Start], [TestSpec.Edit], and [TestSpec.End]
+// methods.
+type TestSpec struct {
+	// Scenario is the grouping label normally passed to (*tscInput).run, e.g.
+	// "commandLine", "noEmit", or "extends". Used as part of the baseline path.
+	Scenario string
+
+	// SubScenario is the per-test sub-name used by the baseline runner.
+	SubScenario string
+
+	CommandLineArgs  []string
+	Files            FileMap
+	Cwd              string
+	Env              map[string]string
+	IgnoreCase       bool
+	WindowsStyleRoot string
+
+	// input and state are populated by Start and consumed by Edit/End.
+	input *tscInput
+	state *tscInputState
+}
+
+// TestEdit is the exported representation of a tscEdit.
+type TestEdit struct {
+	Caption         string
+	CommandLineArgs []string
+	Edit            func(*TestSys)
+	ExpectedDiff    string
+}
+
+// Start performs the initial build for the spec on the provided testing.T.
+// It must be called exactly once before any call to Edit or End, and is
+// responsible for calling t.Parallel so the extracted tests run concurrently.
+func (s *TestSpec) Start(t *testing.T) {
+	t.Helper()
+	if s.input != nil {
+		panic("TestSpec.Start called twice")
+	}
+	s.input = &tscInput{
+		subScenario:      s.SubScenario,
+		commandLineArgs:  s.CommandLineArgs,
+		files:            s.Files,
+		cwd:              s.Cwd,
+		env:              s.Env,
+		ignoreCase:       s.IgnoreCase,
+		windowsStyleRoot: s.WindowsStyleRoot,
+		extracted:        true,
+	}
+	t.Parallel()
+	s.state = s.input.start(t, s.Scenario)
+}
+
+// Edit applies the given edit to the running test and runs the incremental
+// and non-incremental builds, accumulating the result into the baseline.
+// Passing nil is treated as a "no change" edit.
+func (s *TestSpec) Edit(e *TestEdit) {
+	if s.state == nil {
+		panic("TestSpec.Edit called before Start")
+	}
+	if e == nil {
+		s.input.runEdit(s.state, noChange)
+		return
+	}
+	s.input.runEdit(s.state, &tscEdit{
+		caption:         e.Caption,
+		commandLineArgs: e.CommandLineArgs,
+		edit:            e.Edit,
+		expectedDiff:    e.ExpectedDiff,
+	})
+}
+
+// End finalises the run, writing the accumulated baseline and reporting any
+// unexpected diffs against the non-incremental build.
+func (s *TestSpec) End() {
+	if s.state == nil {
+		panic("TestSpec.End called before Start")
+	}
+	s.input.end(s.state)
+}
+
+// WriteFile writes content to the given path on the test file system,
+// panicking on error. Exposed so generated tests can describe edits as a
+// series of file system operations.
+func (s *TestSys) WriteFile(path string, content string) {
+	s.writeFileNoError(path, content)
+}
+
+// Remove removes the file or directory at path on the test file system,
+// panicking on error. Exposed for generated edit functions.
+func (s *TestSys) Remove(path string) {
+	s.removeNoError(path)
+}
diff --git a/internal/execute/tsctests/tests/testmain_test.go b/internal/execute/tsctests/tests/testmain_test.go
new file mode 100644
index 00000000000..126a6539d7c
--- /dev/null
+++ b/internal/execute/tsctests/tests/testmain_test.go
@@ -0,0 +1,14 @@
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/core"
+	"github.com/microsoft/typescript-go/internal/testutil/baseline"
+)
+
+func TestMain(m *testing.M) {
+	core.ApplyDebugStackLimit()
+	defer baseline.Track()()
+	m.Run()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_configFileErrors_reports_syntax_errors_in_config_file_test.go b/internal/execute/tsctests/tests/tsbuildWatch_configFileErrors_reports_syntax_errors_in_config_file_test.go
new file mode 100644
index 00000000000..43687b754c5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_configFileErrors_reports_syntax_errors_in_config_file_test.go
@@ -0,0 +1,84 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_configFileErrors_reports_syntax_errors_in_config_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "configFileErrors",
+		SubScenario:     "reports syntax errors in config file",
+		CommandLineArgs: []string{"--b", "-w"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export function foo() { }",
+			"/home/src/workspaces/project/b.ts": "export function bar() { }",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    },
+    "files": [
+        "a.ts"
+        "b.ts"
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "reports syntax errors after change to config file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+    "compilerOptions": {
+        "composite": true, "declaration": true
+    },
+    "files": [
+        "a.ts"
+        "b.ts"
+    ]
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "reports syntax errors after change to ts file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export function foo() { }export function fooBar() { }")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "reports error when there is no change to tsconfig file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+    "compilerOptions": {
+        "composite": true, "declaration": true
+    },
+    "files": [
+        "a.ts"
+        "b.ts"
+    ]
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "builds after fixing config file errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+    "compilerOptions": {
+        "composite": true, "declaration": true
+    },
+    "files": [
+        "a.ts",
+        "b.ts"
+    ]
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_demo_updates_with_bad_reference_test.go b/internal/execute/tsctests/tests/tsbuildWatch_demo_updates_with_bad_reference_test.go
new file mode 100644
index 00000000000..c633eac1591
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_demo_updates_with_bad_reference_test.go
@@ -0,0 +1,120 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_demo_updates_with_bad_reference(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "demo",
+		SubScenario:     "updates with bad reference",
+		CommandLineArgs: []string{"--b", "-w", "--verbose"},
+		Cwd:             "/user/username/projects/demo",
+		Files: tsctests.FileMap{
+			"/user/username/projects/demo/animals/animal.ts": `export type Size = "small" | "medium" | "large";
+export default interface Animal {
+    size: Size;
+}`,
+			"/user/username/projects/demo/animals/dog.ts": "import Animal from '.';\nimport { makeRandomName } from '../core/utilities';\n\nexport interface Dog extends Animal {\n    woof(): void;\n    name: string;\n}\n\nexport function createDog(): Dog {\n    return ({\n        size: \"medium\",\n        woof: function(this: Dog) {\n            console.log(`${ this.name } says \"Woof\"!`);\n        },\n        name: makeRandomName()\n    });\n}",
+			"/user/username/projects/demo/animals/index.ts": `import Animal from './animal';
+
+export default Animal;
+import { createDog, Dog } from './dog';
+export { createDog, Dog };`,
+			"/user/username/projects/demo/animals/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/animals",
+        "rootDir": "."
+    },
+    "references": [
+        { "path": "../core" }
+    ]
+}`,
+			"/user/username/projects/demo/core/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/core",
+        "rootDir": "."
+    },
+}`,
+			"/user/username/projects/demo/core/utilities.ts": `import * as A from '../animals'
+export function makeRandomName() {
+    return "Bob!?! ";
+}
+
+export function lastElementOf<T>(arr: T[]): T | undefined {
+    if (arr.length === 0) return undefined;
+    return arr[arr.length - 1];
+}`,
+			"/user/username/projects/demo/tsconfig-base.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "target": "es5",
+        "module": "commonjs",
+        "strict": true,
+        "noUnusedLocals": true,
+        "noUnusedParameters": true,
+        "noImplicitReturns": true,
+        "noFallthroughCasesInSwitch": true,
+        "composite": true,
+    },
+}`,
+			"/user/username/projects/demo/tsconfig.json": `{
+    "files": [],
+    "references": [
+        {
+            "path": "./core"
+        },
+        {
+            "path": "./animals",
+        },
+        {
+            "path": "./zoo",
+        },
+    ],
+}`,
+			"/user/username/projects/demo/zoo/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/zoo",
+        "rootDir": "."
+    },
+    "references": [
+        {
+            "path": "../animals"
+        }
+    ]
+}`,
+			"/user/username/projects/demo/zoo/zoo.ts": `import { Dog, createDog } from '../animals/index';
+
+export function createZoo(): Array<Dog> {
+    return [
+        createDog()
+    ];
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Prepend a line",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/demo/core/utilities.ts", `
+import * as A from '../animals'
+export function makeRandomName() {
+    return "Bob!?! ";
+}
+
+export function lastElementOf<T>(arr: T[]): T | undefined {
+    if (arr.length === 0) return undefined;
+    return arr[arr.length - 1];
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_demo_updates_with_circular_reference_test.go b/internal/execute/tsctests/tests/tsbuildWatch_demo_updates_with_circular_reference_test.go
new file mode 100644
index 00000000000..cbd3d986f7a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_demo_updates_with_circular_reference_test.go
@@ -0,0 +1,121 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_demo_updates_with_circular_reference(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "demo",
+		SubScenario:     "updates with circular reference",
+		CommandLineArgs: []string{"--b", "-w", "--verbose"},
+		Cwd:             "/user/username/projects/demo",
+		Files: tsctests.FileMap{
+			"/user/username/projects/demo/animals/animal.ts": `export type Size = "small" | "medium" | "large";
+export default interface Animal {
+    size: Size;
+}`,
+			"/user/username/projects/demo/animals/dog.ts": "import Animal from '.';\nimport { makeRandomName } from '../core/utilities';\n\nexport interface Dog extends Animal {\n    woof(): void;\n    name: string;\n}\n\nexport function createDog(): Dog {\n    return ({\n        size: \"medium\",\n        woof: function(this: Dog) {\n            console.log(`${ this.name } says \"Woof\"!`);\n        },\n        name: makeRandomName()\n    });\n}",
+			"/user/username/projects/demo/animals/index.ts": `import Animal from './animal';
+
+export default Animal;
+import { createDog, Dog } from './dog';
+export { createDog, Dog };`,
+			"/user/username/projects/demo/animals/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/animals",
+        "rootDir": "."
+    },
+    "references": [
+        { "path": "../core" }
+    ]
+}`,
+			"/user/username/projects/demo/core/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/core",
+        "rootDir": "."
+    },
+    "references": [
+        {
+            "path": "../zoo",
+        }
+    ]
+}`,
+			"/user/username/projects/demo/core/utilities.ts": `export function makeRandomName() {
+    return "Bob!?! ";
+}
+
+export function lastElementOf<T>(arr: T[]): T | undefined {
+    if (arr.length === 0) return undefined;
+    return arr[arr.length - 1];
+}`,
+			"/user/username/projects/demo/tsconfig-base.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "target": "es5",
+        "module": "commonjs",
+        "strict": true,
+        "noUnusedLocals": true,
+        "noUnusedParameters": true,
+        "noImplicitReturns": true,
+        "noFallthroughCasesInSwitch": true,
+        "composite": true,
+    },
+}`,
+			"/user/username/projects/demo/tsconfig.json": `{
+    "files": [],
+    "references": [
+        {
+            "path": "./core"
+        },
+        {
+            "path": "./animals",
+        },
+        {
+            "path": "./zoo",
+        },
+    ],
+}`,
+			"/user/username/projects/demo/zoo/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/zoo",
+        "rootDir": "."
+    },
+    "references": [
+        {
+            "path": "../animals"
+        }
+    ]
+}`,
+			"/user/username/projects/demo/zoo/zoo.ts": `import { Dog, createDog } from '../animals/index';
+
+export function createZoo(): Array<Dog> {
+    return [
+        createDog()
+    ];
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/demo/core/tsconfig.json", `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/core",
+        "rootDir": "."
+    },
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_extends_configDir_template_test.go b/internal/execute/tsctests/tests/tsbuildWatch_extends_configDir_template_test.go
new file mode 100644
index 00000000000..44838039044
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_extends_configDir_template_test.go
@@ -0,0 +1,68 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_extends_configDir_template(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "extends",
+		SubScenario:     "configDir template",
+		CommandLineArgs: []string{"--b", "-w", "--explainFiles", "--v"},
+		Cwd:             "/home/src/projects/myproject",
+		Files: tsctests.FileMap{
+			"/home/src/projects/configs/first/tsconfig.json": `{
+    "extends": "../second/tsconfig.json",
+    "include": ["${configDir}/src"],
+    "compilerOptions": {
+        "typeRoots": ["root1", "${configDir}/root2", "root3"],
+        "types": [],
+    },
+}`,
+			"/home/src/projects/configs/second/tsconfig.json": `{
+    "files": ["${configDir}/main.ts"],
+    "compilerOptions": {
+        "declarationDir": "${configDir}/decls",
+        "paths": {
+            "@myscope/*": ["${configDir}/types/*"],
+        },
+    },
+    "watchOptions": {
+        "excludeFiles": ["${configDir}/main.ts"],
+    },
+}`,
+			"/home/src/projects/myproject/main.ts": `// some comment
+export const y = 10;
+import { x } from "@myscope/sometype";`,
+			"/home/src/projects/myproject/tsconfig.json": `{
+    "extends": "../configs/first/tsconfig.json",
+    "compilerOptions": {
+        "declaration": true,
+        "outDir": "outDir",
+        "traceResolution": true,
+    },
+}`,
+			"/home/src/projects/myproject/types/sometype.ts": "export const x = 10;",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "edit extended config file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/configs/first/tsconfig.json", `{
+    "extends": "../second/tsconfig.json",
+    "include": ["${configDir}/src"],
+    "compilerOptions": {
+        "typeRoots": ["${configDir}/root2"],
+        "types": [],
+    },
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_libraryResolution_with_config_test.go b/internal/execute/tsctests/tests/tsbuildWatch_libraryResolution_with_config_test.go
new file mode 100644
index 00000000000..28f74054a77
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_libraryResolution_with_config_test.go
@@ -0,0 +1,73 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_libraryResolution_with_config(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "libraryResolution",
+		SubScenario:     "with config",
+		CommandLineArgs: []string{"-b", "-w", "project1", "project2", "project3", "project4", "--verbose", "--explainFiles"},
+		Cwd:             "/home/src/workspace/projects",
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.dom.d.ts":                                       "interface DOMInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.scripthost.d.ts":                                "interface ScriptHostInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.webworker.d.ts":                                 "interface WebWorkerInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/unlreated/index.d.ts": "export const unrelated = 10;",
+			"/home/src/workspace/projects/project1/core.d.ts":                            "export const core = 10;",
+			"/home/src/workspace/projects/project1/file.ts":                              "export const file = 10;",
+			"/home/src/workspace/projects/project1/file2.ts": `/// <reference lib="webworker"/>
+/// <reference lib="scripthost"/>
+/// <reference lib="es5"/>`,
+			"/home/src/workspace/projects/project1/index.ts": "export const x = \"type1\";",
+			"/home/src/workspace/projects/project1/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "typeRoots": ["./typeroot1"],
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": false
+    }
+}`,
+			"/home/src/workspace/projects/project1/typeroot1/sometype/index.d.ts": "export type TheNum = \"type1\";",
+			"/home/src/workspace/projects/project1/utils.d.ts":                    "export const y = 10;",
+			"/home/src/workspace/projects/project2/index.ts":                      "export const y = 10",
+			"/home/src/workspace/projects/project2/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": false
+    }
+}`,
+			"/home/src/workspace/projects/project2/utils.d.ts": "export const y = 10;",
+			"/home/src/workspace/projects/project3/index.ts":   "export const z = 10",
+			"/home/src/workspace/projects/project3/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": false
+    }
+}`,
+			"/home/src/workspace/projects/project3/utils.d.ts": "export const y = 10;",
+			"/home/src/workspace/projects/project4/index.ts":   "export const z = 10",
+			"/home/src/workspace/projects/project4/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["esnext", "dom", "webworker"],
+        "traceResolution": true,
+        "libReplacement": false
+    }
+}`,
+			"/home/src/workspace/projects/project4/utils.d.ts": "export const y = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_libraryResolution_with_config_with_libReplacement_test.go b/internal/execute/tsctests/tests/tsbuildWatch_libraryResolution_with_config_with_libReplacement_test.go
new file mode 100644
index 00000000000..e5be64d4fa1
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_libraryResolution_with_config_with_libReplacement_test.go
@@ -0,0 +1,120 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_libraryResolution_with_config_with_libReplacement(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "libraryResolution",
+		SubScenario:     "with config with libReplacement",
+		CommandLineArgs: []string{"-b", "-w", "project1", "project2", "project3", "project4", "--verbose", "--explainFiles"},
+		Cwd:             "/home/src/workspace/projects",
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.dom.d.ts":                                     "interface DOMInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.scripthost.d.ts":                              "interface ScriptHostInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.webworker.d.ts":                               "interface WebWorkerInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/lib-dom/index.d.ts": "interface DOMInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/lib-es5/index.d.ts": `/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+interface SymbolConstructor {
+    (desc?: string | number): symbol;
+    for(name: string): symbol;
+    readonly toStringTag: symbol;
+}
+declare var Symbol: SymbolConstructor;
+interface Symbol {
+    readonly [Symbol.toStringTag]: string;
+}
+declare const console: { log(msg: any): void; };`,
+			"/home/src/workspace/projects/node_modules/@typescript/lib-esnext/index.d.ts": `/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+interface SymbolConstructor {
+    (desc?: string | number): symbol;
+    for(name: string): symbol;
+    readonly toStringTag: symbol;
+}
+declare var Symbol: SymbolConstructor;
+interface Symbol {
+    readonly [Symbol.toStringTag]: string;
+}
+declare const console: { log(msg: any): void; };`,
+			"/home/src/workspace/projects/node_modules/@typescript/lib-scripthost/index.d.ts": "interface ScriptHostInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/lib-webworker/index.d.ts":  "interface WebWorkerInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/unlreated/index.d.ts":      "export const unrelated = 10;",
+			"/home/src/workspace/projects/project1/core.d.ts":                                 "export const core = 10;",
+			"/home/src/workspace/projects/project1/file.ts":                                   "export const file = 10;",
+			"/home/src/workspace/projects/project1/file2.ts": `/// <reference lib="webworker"/>
+/// <reference lib="scripthost"/>
+/// <reference lib="es5"/>`,
+			"/home/src/workspace/projects/project1/index.ts": "export const x = \"type1\";",
+			"/home/src/workspace/projects/project1/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "typeRoots": ["./typeroot1"],
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project1/typeroot1/sometype/index.d.ts": "export type TheNum = \"type1\";",
+			"/home/src/workspace/projects/project1/utils.d.ts":                    "export const y = 10;",
+			"/home/src/workspace/projects/project2/index.ts":                      "export const y = 10",
+			"/home/src/workspace/projects/project2/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project2/utils.d.ts": "export const y = 10;",
+			"/home/src/workspace/projects/project3/index.ts":   "export const z = 10",
+			"/home/src/workspace/projects/project3/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project3/utils.d.ts": "export const y = 10;",
+			"/home/src/workspace/projects/project4/index.ts":   "export const z = 10",
+			"/home/src/workspace/projects/project4/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["esnext", "dom", "webworker"],
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project4/utils.d.ts": "export const y = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_moduleResolution_build_mode_watches_for_changes_to_package_json_main_fields_test.go b/internal/execute/tsctests/tests/tsbuildWatch_moduleResolution_build_mode_watches_for_changes_to_package_json_main_fields_test.go
new file mode 100644
index 00000000000..1ec16f5bfdb
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_moduleResolution_build_mode_watches_for_changes_to_package_json_main_fields_test.go
@@ -0,0 +1,74 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsbuildWatch_moduleResolution_build_mode_watches_for_changes_to_package_json_main_fields(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleResolution",
+		SubScenario:     "build mode watches for changes to package-json main fields",
+		CommandLineArgs: []string{"-b", "packages/pkg1", "--verbose", "-w", "--traceResolution"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/node_modules/pkg2": vfstest.Symlink("/user/username/projects/myproject/packages/pkg2"),
+			"/user/username/projects/myproject/packages/pkg1/index.ts": `import type { TheNum } from 'pkg2'
+export const theNum: TheNum = 42;`,
+			"/user/username/projects/myproject/packages/pkg1/package.json": `{
+    "name": "pkg1",
+    "version": "1.0.0",
+    "main": "build/index.js"
+}`,
+			"/user/username/projects/myproject/packages/pkg1/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "build",
+    },
+    "references": [{ "path": "../pkg2" }],
+}`,
+			"/user/username/projects/myproject/packages/pkg2/const.ts": "export type TheNum = 42;",
+			"/user/username/projects/myproject/packages/pkg2/index.ts": "export type { TheNum } from './const.js';",
+			"/user/username/projects/myproject/packages/pkg2/other.ts": "export type TheStr = string;",
+			"/user/username/projects/myproject/packages/pkg2/package.json": `{
+    "name": "pkg2",
+    "version": "1.0.0",
+    "main": "build/index.js"
+}`,
+			"/user/username/projects/myproject/packages/pkg2/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "build",
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:      "reports import errors after change to package file",
+		ExpectedDiff: "Package.json watch pending, so no change detected yet",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/packages/pkg2/package.json", `{
+    "name": "pkg2",
+    "version": "1.0.0",
+    "main": "build/other.js"
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "removes those errors when a package file is changed back",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/packages/pkg2/package.json", `{
+    "name": "pkg2",
+    "version": "1.0.0",
+    "main": "build/index.js"
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_moduleResolution_handles_the_cache_correctly_when_two_projects_use_different_module_resolution_settings_test.go b/internal/execute/tsctests/tests/tsbuildWatch_moduleResolution_handles_the_cache_correctly_when_two_projects_use_different_module_resolution_settings_test.go
new file mode 100644
index 00000000000..1502509ecc2
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_moduleResolution_handles_the_cache_correctly_when_two_projects_use_different_module_resolution_settings_test.go
@@ -0,0 +1,58 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_moduleResolution_handles_the_cache_correctly_when_two_projects_use_different_module_resolution_settings(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleResolution",
+		SubScenario:     "handles the cache correctly when two projects use different module resolution settings",
+		CommandLineArgs: []string{"--b", "-w", "-v"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/node_modules/@types/bar/index.d.ts":    "export const bar = 10;",
+			"/user/username/projects/myproject/node_modules/@types/foo/index.d.ts":    "export const foo = 10;",
+			"/user/username/projects/myproject/project1/index.ts":                     "import { foo } from \"file\";",
+			"/user/username/projects/myproject/project1/node_modules/file/index.d.ts": "export const foo = 10;",
+			"/user/username/projects/myproject/project1/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "types": ["foo", "bar"]
+    },
+    "files": ["index.ts"],
+}`,
+			"/user/username/projects/myproject/project2/index.ts":                     "import { foo } from \"file\";",
+			"/user/username/projects/myproject/project2/node_modules/file/index.d.ts": "export const foo = 10;",
+			"/user/username/projects/myproject/project2/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "types": ["foo"],
+        "module": "nodenext",
+        "moduleResolution": "nodenext"
+    },
+    "files": ["index.ts"],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+     "files": [],
+     "references": [
+         { "path": "./project1" },
+         { "path": "./project2" },
+     ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Append text",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/project1/index.ts", "import { foo } from \"file\";const bar = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_moduleResolution_resolves_specifier_in_output_declaration_file_from_referenced_project_correctly_with_cts_and_mts_extensions_test.go b/internal/execute/tsctests/tests/tsbuildWatch_moduleResolution_resolves_specifier_in_output_declaration_file_from_referenced_project_correctly_with_cts_and_mts_extensions_test.go
new file mode 100644
index 00000000000..e2fd2f3529f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_moduleResolution_resolves_specifier_in_output_declaration_file_from_referenced_project_correctly_with_cts_and_mts_extensions_test.go
@@ -0,0 +1,106 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsbuildWatch_moduleResolution_resolves_specifier_in_output_declaration_file_from_referenced_project_correctly_with_cts_and_mts_extensions(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleResolution",
+		SubScenario:     "resolves specifier in output declaration file from referenced project correctly with cts and mts extensions",
+		CommandLineArgs: []string{"-b", "packages/pkg1", "-w", "--verbose", "--traceResolution"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/node_modules/pkg2": vfstest.Symlink("/user/username/projects/myproject/packages/pkg2"),
+			"/user/username/projects/myproject/packages/pkg1/index.ts": `import type { TheNum } from 'pkg2'
+export const theNum: TheNum = 42;`,
+			"/user/username/projects/myproject/packages/pkg1/package.json": `{
+    "name": "pkg1",
+    "version": "1.0.0",
+    "main": "build/index.js",
+    "type": "module"
+}`,
+			"/user/username/projects/myproject/packages/pkg1/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "build",
+        "module": "node16",
+    },
+    "references": [{ "path": "../pkg2" }],
+}`,
+			"/user/username/projects/myproject/packages/pkg2/const.cts": "export type TheNum = 42;",
+			"/user/username/projects/myproject/packages/pkg2/index.ts":  "export type { TheNum } from './const.cjs';",
+			"/user/username/projects/myproject/packages/pkg2/package.json": `{
+    "name": "pkg2",
+    "version": "1.0.0",
+    "main": "build/index.js",
+    "type": "module"
+}`,
+			"/user/username/projects/myproject/packages/pkg2/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "build",
+        "module": "node16",
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:      "reports import errors after change to package file",
+		ExpectedDiff: "Package.json watch pending, so no change detected yet",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/packages/pkg1/package.json", `{
+    "name": "pkg1",
+    "version": "1.0.0",
+    "main": "build/index.js",
+    "type": "commonjs"
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "removes those errors when a package file is changed back",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/packages/pkg1/package.json", `{
+    "name": "pkg1",
+    "version": "1.0.0",
+    "main": "build/index.js",
+    "type": "module"
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:      "reports import errors after change to package file",
+		ExpectedDiff: "Package.json watch pending, so no change detected yet",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/packages/pkg1/package.json", `{
+    "name": "pkg1",
+    "version": "1.0.0",
+    "main": "build/index.js",
+    "type": "commonjs"
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "removes those errors when a package file is changed to cjs extensions",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/user/username/projects/myproject/packages/pkg2/index.ts")
+			sys.WriteFile("/user/username/projects/myproject/packages/pkg2/index.cts", "export type { TheNum } from './const.cjs';")
+			sys.WriteFile("/user/username/projects/myproject/packages/pkg2/package.json", `{
+    "name": "pkg2",
+    "version": "1.0.0",
+    "main": "build/index.cjs",
+    "type": "module"
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmitOnError_noEmitOnError_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmitOnError_noEmitOnError_test.go
new file mode 100644
index 00000000000..afd490b634f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmitOnError_noEmitOnError_test.go
@@ -0,0 +1,133 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmitOnError_noEmitOnError(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "noEmitOnError",
+		CommandLineArgs: []string{"-b", "-w", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix syntax errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "semantic errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix semantic errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix dts errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmitOnError_noEmitOnError_with_declaration_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmitOnError_noEmitOnError_with_declaration_test.go
new file mode 100644
index 00000000000..63a1ae55ef4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmitOnError_noEmitOnError_with_declaration_test.go
@@ -0,0 +1,133 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmitOnError_noEmitOnError_with_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "noEmitOnError with declaration",
+		CommandLineArgs: []string{"-b", "-w", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix syntax errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "semantic errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix semantic errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix dts errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmitOnError_noEmitOnError_with_declaration_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmitOnError_noEmitOnError_with_declaration_with_incremental_test.go
new file mode 100644
index 00000000000..5e6a9e78051
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmitOnError_noEmitOnError_with_declaration_with_incremental_test.go
@@ -0,0 +1,133 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmitOnError_noEmitOnError_with_declaration_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "noEmitOnError with declaration with incremental",
+		CommandLineArgs: []string{"-b", "-w", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix syntax errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "semantic errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix semantic errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix dts errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmitOnError_noEmitOnError_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmitOnError_noEmitOnError_with_incremental_test.go
new file mode 100644
index 00000000000..49fac3b4b8b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmitOnError_noEmitOnError_with_incremental_test.go
@@ -0,0 +1,133 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmitOnError_noEmitOnError_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "noEmitOnError with incremental",
+		CommandLineArgs: []string{"-b", "-w", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix syntax errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "semantic errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix semantic errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix dts errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No Change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_does_not_go_in_loop_when_watching_when_no_files_are_emitted_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_does_not_go_in_loop_when_watching_when_no_files_are_emitted_test.go
new file mode 100644
index 00000000000..d328156b046
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_does_not_go_in_loop_when_watching_when_no_files_are_emitted_test.go
@@ -0,0 +1,44 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_does_not_go_in_loop_when_watching_when_no_files_are_emitted(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "does not go in loop when watching when no files are emitted",
+		CommandLineArgs: []string{"-b", "-w", "-verbose"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/a.js": "",
+			"/user/username/projects/myproject/b.ts": "",
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": {
+        "allowJs": true,
+        "noEmit": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/a.js", "")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/a.js", "const x = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_does_not_go_in_loop_when_watching_when_no_files_are_emitted_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_does_not_go_in_loop_when_watching_when_no_files_are_emitted_with_incremental_test.go
new file mode 100644
index 00000000000..5aec18aa6de
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_does_not_go_in_loop_when_watching_when_no_files_are_emitted_with_incremental_test.go
@@ -0,0 +1,44 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_does_not_go_in_loop_when_watching_when_no_files_are_emitted_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "does not go in loop when watching when no files are emitted with incremental",
+		CommandLineArgs: []string{"-b", "-w", "-verbose", "--incremental"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/a.js": "",
+			"/user/username/projects/myproject/b.ts": "",
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": {
+        "allowJs": true,
+        "noEmit": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "No change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/a.js", "")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/a.js", "const x = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_test.go
new file mode 100644
index 00000000000..92a65664403
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_test.go
@@ -0,0 +1,91 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_dts_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors",
+		CommandLineArgs: []string{"-b", "-verbose", "-w"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": true
+    , "noEmit": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": true
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": true
+    , "noEmit": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": true
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": true
+    , "noEmit": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..280469f2339
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_with_incremental_as_modules_test.go
@@ -0,0 +1,92 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_dts_errors_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors with incremental as modules",
+		CommandLineArgs: []string{"-b", "-verbose", "-w"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    , "noEmit": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    , "noEmit": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    , "noEmit": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_with_incremental_test.go
new file mode 100644
index 00000000000..0251e6b82a2
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_with_incremental_test.go
@@ -0,0 +1,91 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_dts_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors with incremental",
+		CommandLineArgs: []string{"-b", "-verbose", "-w"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    , "noEmit": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    , "noEmit": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    , "noEmit": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_without_dts_enabled_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_without_dts_enabled_test.go
new file mode 100644
index 00000000000..aac826c0468
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_without_dts_enabled_test.go
@@ -0,0 +1,91 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_dts_errors_without_dts_enabled(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors without dts enabled",
+		CommandLineArgs: []string{"-b", "-verbose", "-w"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_without_dts_enabled_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_without_dts_enabled_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..c083dcdddb1
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_without_dts_enabled_with_incremental_as_modules_test.go
@@ -0,0 +1,92 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_dts_errors_without_dts_enabled_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors without dts enabled with incremental as modules",
+		CommandLineArgs: []string{"-b", "-verbose", "-w"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_without_dts_enabled_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_without_dts_enabled_with_incremental_test.go
new file mode 100644
index 00000000000..fcef5c62d85
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_dts_errors_without_dts_enabled_with_incremental_test.go
@@ -0,0 +1,91 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_dts_errors_without_dts_enabled_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors without dts enabled with incremental",
+		CommandLineArgs: []string{"-b", "-verbose", "-w"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_semantic_errors_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_semantic_errors_test.go
new file mode 100644
index 00000000000..c024c33b1e2
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_semantic_errors_test.go
@@ -0,0 +1,91 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_semantic_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "semantic errors",
+		CommandLineArgs: []string{"-b", "-verbose", "-w"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a: number = \"hello\"",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a: number = \"hello\"")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_semantic_errors_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_semantic_errors_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..1a1d74148cc
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_semantic_errors_with_incremental_as_modules_test.go
@@ -0,0 +1,92 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_semantic_errors_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "semantic errors with incremental as modules",
+		CommandLineArgs: []string{"-b", "-verbose", "-w"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a: number = \"hello\"",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a: number = \"hello\"")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_semantic_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_semantic_errors_with_incremental_test.go
new file mode 100644
index 00000000000..6c1c51118e5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_semantic_errors_with_incremental_test.go
@@ -0,0 +1,91 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_semantic_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "semantic errors with incremental",
+		CommandLineArgs: []string{"-b", "-verbose", "-w"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a: number = \"hello\"",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a: number = \"hello\"")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_syntax_errors_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_syntax_errors_test.go
new file mode 100644
index 00000000000..19bc5ff527b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_syntax_errors_test.go
@@ -0,0 +1,91 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_syntax_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "syntax errors",
+		CommandLineArgs: []string{"-b", "-verbose", "-w"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = \"hello",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_syntax_errors_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_syntax_errors_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..0f83de27ec7
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_syntax_errors_with_incremental_as_modules_test.go
@@ -0,0 +1,92 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_syntax_errors_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "syntax errors with incremental as modules",
+		CommandLineArgs: []string{"-b", "-verbose", "-w"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a = \"hello",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_noEmit_syntax_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_syntax_errors_with_incremental_test.go
new file mode 100644
index 00000000000..13aea1eceb1
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_noEmit_syntax_errors_with_incremental_test.go
@@ -0,0 +1,91 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_noEmit_syntax_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "syntax errors with incremental",
+		CommandLineArgs: []string{"-b", "-verbose", "-w"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = \"hello",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no Emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    , "noEmit": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_declarationEmitErrors_introduceError_when_file_with_no_error_changes_test.go b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_declarationEmitErrors_introduceError_when_file_with_no_error_changes_test.go
new file mode 100644
index 00000000000..0dd1dbbf92a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_declarationEmitErrors_introduceError_when_file_with_no_error_changes_test.go
@@ -0,0 +1,49 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_programUpdates_declarationEmitErrors_introduceError_when_file_with_no_error_changes(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "programUpdates",
+		SubScenario:     "declarationEmitErrors introduceError when file with no error changes",
+		CommandLineArgs: []string{"-b", "-w", "app"},
+		Cwd:             "/user/username/projects/solution",
+		Files: tsctests.FileMap{
+			"/user/username/projects/solution/app/fileWithError.ts": `export var myClassWithError = class {
+    tags() { }
+
+};`,
+			"/user/username/projects/solution/app/fileWithoutError.ts": "export class myClass { }",
+			"/user/username/projects/solution/app/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/solution/app/fileWithError.ts", `export var myClassWithError = class {
+    tags() { }
+    private p = 12
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Change fileWithoutError",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/solution/app/fileWithoutError.ts", "export class myClass2 { }")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_declarationEmitErrors_introduceError_when_fixing_errors_only_changed_file_is_emitted_test.go b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_declarationEmitErrors_introduceError_when_fixing_errors_only_changed_file_is_emitted_test.go
new file mode 100644
index 00000000000..f0f9936f809
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_declarationEmitErrors_introduceError_when_fixing_errors_only_changed_file_is_emitted_test.go
@@ -0,0 +1,52 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_programUpdates_declarationEmitErrors_introduceError_when_fixing_errors_only_changed_file_is_emitted(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "programUpdates",
+		SubScenario:     "declarationEmitErrors introduceError when fixing errors only changed file is emitted",
+		CommandLineArgs: []string{"-b", "-w", "app"},
+		Cwd:             "/user/username/projects/solution",
+		Files: tsctests.FileMap{
+			"/user/username/projects/solution/app/fileWithError.ts": `export var myClassWithError = class {
+    tags() { }
+
+};`,
+			"/user/username/projects/solution/app/fileWithoutError.ts": "export class myClass { }",
+			"/user/username/projects/solution/app/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/solution/app/fileWithError.ts", `export var myClassWithError = class {
+    tags() { }
+    private p = 12
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/solution/app/fileWithError.ts", `export var myClassWithError = class {
+    tags() { }
+    
+};`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_declarationEmitErrors_when_file_with_no_error_changes_test.go b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_declarationEmitErrors_when_file_with_no_error_changes_test.go
new file mode 100644
index 00000000000..93ecc59fcfb
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_declarationEmitErrors_when_file_with_no_error_changes_test.go
@@ -0,0 +1,39 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_programUpdates_declarationEmitErrors_when_file_with_no_error_changes(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "programUpdates",
+		SubScenario:     "declarationEmitErrors when file with no error changes",
+		CommandLineArgs: []string{"-b", "-w", "app"},
+		Cwd:             "/user/username/projects/solution",
+		Files: tsctests.FileMap{
+			"/user/username/projects/solution/app/fileWithError.ts": `export var myClassWithError = class {
+    tags() { }
+    private p = 12
+};`,
+			"/user/username/projects/solution/app/fileWithoutError.ts": "export class myClass { }",
+			"/user/username/projects/solution/app/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Change fileWithoutError",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/solution/app/fileWithoutError.ts", "export class myClass2 { }")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_declarationEmitErrors_when_fixing_error_files_all_files_are_emitted_test.go b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_declarationEmitErrors_when_fixing_error_files_all_files_are_emitted_test.go
new file mode 100644
index 00000000000..6c8afdc8948
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_declarationEmitErrors_when_fixing_error_files_all_files_are_emitted_test.go
@@ -0,0 +1,42 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_programUpdates_declarationEmitErrors_when_fixing_error_files_all_files_are_emitted(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "programUpdates",
+		SubScenario:     "declarationEmitErrors when fixing error files all files are emitted",
+		CommandLineArgs: []string{"-b", "-w", "app"},
+		Cwd:             "/user/username/projects/solution",
+		Files: tsctests.FileMap{
+			"/user/username/projects/solution/app/fileWithError.ts": `export var myClassWithError = class {
+    tags() { }
+    private p = 12
+};`,
+			"/user/username/projects/solution/app/fileWithoutError.ts": "export class myClass { }",
+			"/user/username/projects/solution/app/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/solution/app/fileWithError.ts", `export var myClassWithError = class {
+    tags() { }
+    
+};`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_tsbuildinfo_has_error_test.go b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_tsbuildinfo_has_error_test.go
new file mode 100644
index 00000000000..a9828420133
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_tsbuildinfo_has_error_test.go
@@ -0,0 +1,25 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_programUpdates_tsbuildinfo_has_error(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "programUpdates",
+		SubScenario:     "tsbuildinfo has error",
+		CommandLineArgs: []string{"--b", "-i", "-w"},
+		Cwd:             "/user/username/projects/project",
+		Files: tsctests.FileMap{
+			"/user/username/projects/project/main.ts":              "export const x = 10;",
+			"/user/username/projects/project/tsconfig.json":        "{}",
+			"/user/username/projects/project/tsconfig.tsbuildinfo": "Some random string",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_when_referenced_project_change_introduces_error_in_the_down_stream_project_and_then_fixes_it_test.go b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_when_referenced_project_change_introduces_error_in_the_down_stream_project_and_then_fixes_it_test.go
new file mode 100644
index 00000000000..0047b568761
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_when_referenced_project_change_introduces_error_in_the_down_stream_project_and_then_fixes_it_test.go
@@ -0,0 +1,77 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_programUpdates_when_referenced_project_change_introduces_error_in_the_down_stream_project_and_then_fixes_it(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "programUpdates",
+		SubScenario:     "when referenced project change introduces error in the down stream project and then fixes it",
+		CommandLineArgs: []string{"-b", "-w", "App"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/App/app.ts": `import { createSomeObject } from "../Library/library";
+createSomeObject().message;`,
+			"/user/username/projects/sample1/App/tsconfig.json": `{ 
+    "references": [{ "path": "../Library" }]
+}`,
+			"/user/username/projects/sample1/Library/library.ts": `interface SomeObject
+{
+    message: string;
+}
+
+export function createSomeObject(): SomeObject
+{
+    return {
+        message: "new Object"
+    };
+}`,
+			"/user/username/projects/sample1/Library/tsconfig.json": `{ 
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/Library/library.ts", `interface SomeObject
+{
+    message2: string;
+}
+
+export function createSomeObject(): SomeObject
+{
+    return {
+        message2: "new Object"
+    };
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/Library/library.ts", `interface SomeObject
+{
+    message: string;
+}
+
+export function createSomeObject(): SomeObject
+{
+    return {
+        message: "new Object"
+    };
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_works_correctly_when_project_with_extended_config_is_removed_test.go b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_works_correctly_when_project_with_extended_config_is_removed_test.go
new file mode 100644
index 00000000000..61064a437d3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_works_correctly_when_project_with_extended_config_is_removed_test.go
@@ -0,0 +1,74 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_programUpdates_works_correctly_when_project_with_extended_config_is_removed(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "programUpdates",
+		SubScenario:     "works correctly when project with extended config is removed",
+		CommandLineArgs: []string{"-b", "-w", "-v"},
+		Cwd:             "/user/username/projects/project",
+		Files: tsctests.FileMap{
+			"/user/username/projects/project/alpha.tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+    },
+}`,
+			"/user/username/projects/project/bravo.tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+    },
+}`,
+			"/user/username/projects/project/commonFile1.ts": "let x = 1",
+			"/user/username/projects/project/commonFile2.ts": "let y = 1",
+			"/user/username/projects/project/other.ts":       "let z = 0;",
+			"/user/username/projects/project/project1.tsconfig.json": `{
+    "extends": "./alpha.tsconfig.json",
+    "compilerOptions": {
+        "composite": true,
+    },
+    "files": ["commonFile1.ts", "commonFile2.ts"],
+}`,
+			"/user/username/projects/project/project2.tsconfig.json": `{
+    "extends": "./bravo.tsconfig.json",
+    "compilerOptions": {
+        "composite": true,
+    },
+    "files": ["other.ts"],
+}`,
+			"/user/username/projects/project/tsconfig.json": `{
+    "references": [
+        {
+            "path": "./project1.tsconfig.json",
+        },
+        {
+            "path": "./project2.tsconfig.json",
+        },
+    ],
+    "files": [],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Remove project2 from base config",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/project/tsconfig.json", `{
+    "references": [
+        {
+            "path": "./project1.tsconfig.json",
+        },
+    ],
+    "files": [],
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_works_when_noUnusedParameters_changes_to_false_test.go b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_works_when_noUnusedParameters_changes_to_false_test.go
new file mode 100644
index 00000000000..bed7d3c119e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_works_when_noUnusedParameters_changes_to_false_test.go
@@ -0,0 +1,39 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_programUpdates_works_when_noUnusedParameters_changes_to_false(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "programUpdates",
+		SubScenario:     "works when noUnusedParameters changes to false",
+		CommandLineArgs: []string{"-b", "-w"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/index.ts": "const fn = (a: string, b: string) => b;",
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": {
+        "noUnusedParameters": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Change tsconfig to set noUnusedParameters to false",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/tsconfig.json", `{
+    "compilerOptions": {
+        "noUnusedParameters": false,
+    },
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_works_with_extended_source_files_test.go b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_works_with_extended_source_files_test.go
new file mode 100644
index 00000000000..ffc536c97f5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_programUpdates_works_with_extended_source_files_test.go
@@ -0,0 +1,135 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_programUpdates_works_with_extended_source_files(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "programUpdates",
+		SubScenario:     "works with extended source files",
+		CommandLineArgs: []string{"-b", "-w", "-v", "project1.tsconfig.json", "project2.tsconfig.json", "project3.tsconfig.json"},
+		Cwd:             "/user/username/projects/project",
+		Files: tsctests.FileMap{
+			"/user/username/projects/project/alpha.tsconfig.json": "{}",
+			"/user/username/projects/project/bravo.tsconfig.json": `{
+    "extends": "./alpha.tsconfig.json",
+}`,
+			"/user/username/projects/project/commonFile1.ts": "let x = 1",
+			"/user/username/projects/project/commonFile2.ts": "let y = 1",
+			"/user/username/projects/project/extendsConfig1.tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    },
+}`,
+			"/user/username/projects/project/extendsConfig2.tsconfig.json": `{
+    "compilerOptions": {
+        "strictNullChecks": false,
+    },
+}`,
+			"/user/username/projects/project/extendsConfig3.tsconfig.json": `{
+    "compilerOptions": {
+        "noImplicitAny": true,
+    },
+}`,
+			"/user/username/projects/project/other.ts":  "let z = 0;",
+			"/user/username/projects/project/other2.ts": "let k = 0;",
+			"/user/username/projects/project/project1.tsconfig.json": `{
+    "extends": "./alpha.tsconfig.json",
+    "compilerOptions": {
+        "composite": true,
+    },
+    "files": ["commonFile1.ts", "commonFile2.ts"],
+}`,
+			"/user/username/projects/project/project2.tsconfig.json": `{
+    "extends": "./bravo.tsconfig.json",
+    "compilerOptions": {
+        "composite": true,
+    },
+    "files": ["other.ts"],
+}`,
+			"/user/username/projects/project/project3.tsconfig.json": `{
+    "extends": [
+        "./extendsConfig1.tsconfig.json",
+        "./extendsConfig2.tsconfig.json",
+        "./extendsConfig3.tsconfig.json",
+    ],
+    "compilerOptions": {
+        "composite": false,
+    },
+    "files": ["other2.ts"],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Modify alpha config",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/project/alpha.tsconfig.json", `{
+    "compilerOptions": {
+        "strict": true
+    }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change bravo config",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/project/bravo.tsconfig.json", `{
+    "extends": "./alpha.tsconfig.json",
+    "compilerOptions": { "strict": false }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "project 2 extends alpha",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/project/project2.tsconfig.json", `{
+    "extends": "./alpha.tsconfig.json",
+    "files": ["other.ts"]
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "update aplha config",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/project/alpha.tsconfig.json", "{}")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Modify extendsConfigFile2",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/project/extendsConfig2.tsconfig.json", `{
+    "compilerOptions": { "strictNullChecks": true }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Modify project 3",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/project/project3.tsconfig.json", `{
+    "extends": ["./extendsConfig1.tsconfig.json", "./extendsConfig2.tsconfig.json"],
+    "compilerOptions": { "composite": false },
+    "files": ["other2.ts"],
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Delete extendedConfigFile2 and report error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/user/username/projects/project/extendsConfig2.tsconfig.json")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_23_projects_in_a_solution_test.go b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_23_projects_in_a_solution_test.go
new file mode 100644
index 00000000000..16a9542960a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_23_projects_in_a_solution_test.go
@@ -0,0 +1,187 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_projectsBuilding_when_there_are_23_projects_in_a_solution(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 23 projects in a solution",
+		CommandLineArgs: []string{"-b", "-w", "-v"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg10/index.ts": "export const pkg10 = 10;",
+			"/user/username/projects/myproject/pkg10/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg11/index.ts": "export const pkg11 = 11;",
+			"/user/username/projects/myproject/pkg11/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg12/index.ts": "export const pkg12 = 12;",
+			"/user/username/projects/myproject/pkg12/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg13/index.ts": "export const pkg13 = 13;",
+			"/user/username/projects/myproject/pkg13/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg14/index.ts": "export const pkg14 = 14;",
+			"/user/username/projects/myproject/pkg14/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg15/index.ts": "export const pkg15 = 15;",
+			"/user/username/projects/myproject/pkg15/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg16/index.ts": "export const pkg16 = 16;",
+			"/user/username/projects/myproject/pkg16/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg17/index.ts": "export const pkg17 = 17;",
+			"/user/username/projects/myproject/pkg17/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg18/index.ts": "export const pkg18 = 18;",
+			"/user/username/projects/myproject/pkg18/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg19/index.ts": "export const pkg19 = 19;",
+			"/user/username/projects/myproject/pkg19/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg20/index.ts": "export const pkg20 = 20;",
+			"/user/username/projects/myproject/pkg20/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg21/index.ts": "export const pkg21 = 21;",
+			"/user/username/projects/myproject/pkg21/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg22/index.ts": "export const pkg22 = 22;",
+			"/user/username/projects/myproject/pkg22/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg3/index.ts": "export const pkg3 = 3;",
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg4/index.ts": "export const pkg4 = 4;",
+			"/user/username/projects/myproject/pkg4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg5/index.ts": "export const pkg5 = 5;",
+			"/user/username/projects/myproject/pkg5/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg6/index.ts": "export const pkg6 = 6;",
+			"/user/username/projects/myproject/pkg6/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg7/index.ts": "export const pkg7 = 7;",
+			"/user/username/projects/myproject/pkg7/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg8/index.ts": "export const pkg8 = 8;",
+			"/user/username/projects/myproject/pkg8/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg9/index.ts": "export const pkg9 = 9;",
+			"/user/username/projects/myproject/pkg9/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" },
+        { "path": "./pkg3" },
+        { "path": "./pkg4" },
+        { "path": "./pkg5" },
+        { "path": "./pkg6" },
+        { "path": "./pkg7" },
+        { "path": "./pkg8" },
+        { "path": "./pkg9" },
+        { "path": "./pkg10" },
+        { "path": "./pkg11" },
+        { "path": "./pkg12" },
+        { "path": "./pkg13" },
+        { "path": "./pkg14" },
+        { "path": "./pkg15" },
+        { "path": "./pkg16" },
+        { "path": "./pkg17" },
+        { "path": "./pkg18" },
+        { "path": "./pkg19" },
+        { "path": "./pkg20" },
+        { "path": "./pkg21" },
+        { "path": "./pkg22" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_23_projects_in_a_solution_with_builders_3_test.go b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_23_projects_in_a_solution_with_builders_3_test.go
new file mode 100644
index 00000000000..da8e03aff95
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_23_projects_in_a_solution_with_builders_3_test.go
@@ -0,0 +1,187 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_projectsBuilding_when_there_are_23_projects_in_a_solution_with_builders_3(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 23 projects in a solution with --builders 3",
+		CommandLineArgs: []string{"-b", "-w", "-v", "--builders", "3"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg10/index.ts": "export const pkg10 = 10;",
+			"/user/username/projects/myproject/pkg10/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg11/index.ts": "export const pkg11 = 11;",
+			"/user/username/projects/myproject/pkg11/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg12/index.ts": "export const pkg12 = 12;",
+			"/user/username/projects/myproject/pkg12/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg13/index.ts": "export const pkg13 = 13;",
+			"/user/username/projects/myproject/pkg13/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg14/index.ts": "export const pkg14 = 14;",
+			"/user/username/projects/myproject/pkg14/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg15/index.ts": "export const pkg15 = 15;",
+			"/user/username/projects/myproject/pkg15/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg16/index.ts": "export const pkg16 = 16;",
+			"/user/username/projects/myproject/pkg16/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg17/index.ts": "export const pkg17 = 17;",
+			"/user/username/projects/myproject/pkg17/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg18/index.ts": "export const pkg18 = 18;",
+			"/user/username/projects/myproject/pkg18/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg19/index.ts": "export const pkg19 = 19;",
+			"/user/username/projects/myproject/pkg19/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg20/index.ts": "export const pkg20 = 20;",
+			"/user/username/projects/myproject/pkg20/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg21/index.ts": "export const pkg21 = 21;",
+			"/user/username/projects/myproject/pkg21/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg22/index.ts": "export const pkg22 = 22;",
+			"/user/username/projects/myproject/pkg22/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg3/index.ts": "export const pkg3 = 3;",
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg4/index.ts": "export const pkg4 = 4;",
+			"/user/username/projects/myproject/pkg4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg5/index.ts": "export const pkg5 = 5;",
+			"/user/username/projects/myproject/pkg5/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg6/index.ts": "export const pkg6 = 6;",
+			"/user/username/projects/myproject/pkg6/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg7/index.ts": "export const pkg7 = 7;",
+			"/user/username/projects/myproject/pkg7/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg8/index.ts": "export const pkg8 = 8;",
+			"/user/username/projects/myproject/pkg8/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg9/index.ts": "export const pkg9 = 9;",
+			"/user/username/projects/myproject/pkg9/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" },
+        { "path": "./pkg3" },
+        { "path": "./pkg4" },
+        { "path": "./pkg5" },
+        { "path": "./pkg6" },
+        { "path": "./pkg7" },
+        { "path": "./pkg8" },
+        { "path": "./pkg9" },
+        { "path": "./pkg10" },
+        { "path": "./pkg11" },
+        { "path": "./pkg12" },
+        { "path": "./pkg13" },
+        { "path": "./pkg14" },
+        { "path": "./pkg15" },
+        { "path": "./pkg16" },
+        { "path": "./pkg17" },
+        { "path": "./pkg18" },
+        { "path": "./pkg19" },
+        { "path": "./pkg20" },
+        { "path": "./pkg21" },
+        { "path": "./pkg22" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_3_projects_in_a_solution_test.go b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_3_projects_in_a_solution_test.go
new file mode 100644
index 00000000000..050c8dcf67e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_3_projects_in_a_solution_test.go
@@ -0,0 +1,67 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_projectsBuilding_when_there_are_3_projects_in_a_solution(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 3 projects in a solution",
+		CommandLineArgs: []string{"-b", "-w", "-v"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_3_projects_in_a_solution_with_builders_1_test.go b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_3_projects_in_a_solution_with_builders_1_test.go
new file mode 100644
index 00000000000..ed480d0b4a7
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_3_projects_in_a_solution_with_builders_1_test.go
@@ -0,0 +1,67 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_projectsBuilding_when_there_are_3_projects_in_a_solution_with_builders_1(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 3 projects in a solution with --builders 1",
+		CommandLineArgs: []string{"-b", "-w", "-v", "--builders", "1"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_5_projects_in_a_solution_test.go b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_5_projects_in_a_solution_test.go
new file mode 100644
index 00000000000..2aa872d1eec
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_5_projects_in_a_solution_test.go
@@ -0,0 +1,79 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_projectsBuilding_when_there_are_5_projects_in_a_solution(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 5 projects in a solution",
+		CommandLineArgs: []string{"-b", "-w", "-v"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg3/index.ts": "export const pkg3 = 3;",
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg4/index.ts": "export const pkg4 = 4;",
+			"/user/username/projects/myproject/pkg4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" },
+        { "path": "./pkg3" },
+        { "path": "./pkg4" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_5_projects_in_a_solution_with_builders_2_test.go b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_5_projects_in_a_solution_with_builders_2_test.go
new file mode 100644
index 00000000000..fee7cdc0c11
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_5_projects_in_a_solution_with_builders_2_test.go
@@ -0,0 +1,79 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_projectsBuilding_when_there_are_5_projects_in_a_solution_with_builders_2(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 5 projects in a solution with --builders 2",
+		CommandLineArgs: []string{"-b", "-w", "-v", "--builders", "2"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg3/index.ts": "export const pkg3 = 3;",
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg4/index.ts": "export const pkg4 = 4;",
+			"/user/username/projects/myproject/pkg4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" },
+        { "path": "./pkg3" },
+        { "path": "./pkg4" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_8_projects_in_a_solution_test.go b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_8_projects_in_a_solution_test.go
new file mode 100644
index 00000000000..a80de8ec2b4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_8_projects_in_a_solution_test.go
@@ -0,0 +1,97 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_projectsBuilding_when_there_are_8_projects_in_a_solution(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 8 projects in a solution",
+		CommandLineArgs: []string{"-b", "-w", "-v"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg3/index.ts": "export const pkg3 = 3;",
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg4/index.ts": "export const pkg4 = 4;",
+			"/user/username/projects/myproject/pkg4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg5/index.ts": "export const pkg5 = 5;",
+			"/user/username/projects/myproject/pkg5/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg6/index.ts": "export const pkg6 = 6;",
+			"/user/username/projects/myproject/pkg6/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg7/index.ts": "export const pkg7 = 7;",
+			"/user/username/projects/myproject/pkg7/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" },
+        { "path": "./pkg3" },
+        { "path": "./pkg4" },
+        { "path": "./pkg5" },
+        { "path": "./pkg6" },
+        { "path": "./pkg7" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_8_projects_in_a_solution_with_builders_3_test.go b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_8_projects_in_a_solution_with_builders_3_test.go
new file mode 100644
index 00000000000..7f0cb272c7f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_projectsBuilding_when_there_are_8_projects_in_a_solution_with_builders_3_test.go
@@ -0,0 +1,97 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_projectsBuilding_when_there_are_8_projects_in_a_solution_with_builders_3(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 8 projects in a solution with --builders 3",
+		CommandLineArgs: []string{"-b", "-w", "-v", "--builders", "3"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg3/index.ts": "export const pkg3 = 3;",
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg4/index.ts": "export const pkg4 = 4;",
+			"/user/username/projects/myproject/pkg4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg5/index.ts": "export const pkg5 = 5;",
+			"/user/username/projects/myproject/pkg5/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg6/index.ts": "export const pkg6 = 6;",
+			"/user/username/projects/myproject/pkg6/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg7/index.ts": "export const pkg7 = 7;",
+			"/user/username/projects/myproject/pkg7/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" },
+        { "path": "./pkg3" },
+        { "path": "./pkg4" },
+        { "path": "./pkg5" },
+        { "path": "./pkg6" },
+        { "path": "./pkg7" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_reexport_Reports_errors_correctly_test.go b/internal/execute/tsctests/tests/tsbuildWatch_reexport_Reports_errors_correctly_test.go
new file mode 100644
index 00000000000..1f1581d05ec
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_reexport_Reports_errors_correctly_test.go
@@ -0,0 +1,73 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_reexport_Reports_errors_correctly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "reexport",
+		SubScenario:     "Reports errors correctly",
+		CommandLineArgs: []string{"-b", "-w", "-verbose", "src"},
+		Cwd:             "/user/username/projects/reexport",
+		Files: tsctests.FileMap{
+			"/user/username/projects/reexport/src/main/index.ts": `import { Session } from "../pure";
+
+export const session: Session = {
+    foo: 1
+};`,
+			"/user/username/projects/reexport/src/main/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "../../out",
+        "rootDir": "../",
+    },
+    "include": ["**/*.ts"],
+    "references": [{ "path": "../pure" }],
+}`,
+			"/user/username/projects/reexport/src/pure/index.ts": "export * from \"./session\";",
+			"/user/username/projects/reexport/src/pure/session.ts": `export interface Session {
+    foo: number;
+    // bar: number;
+}`,
+			"/user/username/projects/reexport/src/pure/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "../../out",
+        "rootDir": "../",
+    },
+    "include": ["**/*.ts"],
+}`,
+			"/user/username/projects/reexport/src/tsconfig.json": `{
+    "files": [],
+    "include": [],
+    "references": [{ "path": "./pure" }, { "path": "./main" }],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/reexport/src/pure/session.ts", `export interface Session {
+    foo: number;
+    bar: number;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/reexport/src/pure/session.ts", `export interface Session {
+    foo: number;
+    // bar: number;
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_roots_when_root_file_is_from_referenced_project_and_shared_is_first_test.go b/internal/execute/tsctests/tests/tsbuildWatch_roots_when_root_file_is_from_referenced_project_and_shared_is_first_test.go
new file mode 100644
index 00000000000..cb8f92618a4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_roots_when_root_file_is_from_referenced_project_and_shared_is_first_test.go
@@ -0,0 +1,89 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_roots_when_root_file_is_from_referenced_project_and_shared_is_first(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "roots",
+		SubScenario:     "when root file is from referenced project and shared is first",
+		CommandLineArgs: []string{"--b", "-w", "projects/server", "-v", "--traceResolution", "--explainFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/projects/server/src/server.ts": `import { MyClass } from ':shared/myClass.js';
+console.log('Hello, world!');`,
+			"/home/src/workspaces/solution/projects/server/tsconfig.json": `{
+    "extends": "../../tsconfig.json",
+    "compilerOptions": {
+        "rootDir": "..",
+        "outDir": "./dist",
+        "paths": {
+            ":shared/*": ["./src/../../shared/src/*"],
+        },
+    },
+    "include": [ "../shared/src/**/*.ts", "src/**/*.ts" ],
+    "references": [
+        { "path": "../shared" },
+    ],
+}`,
+			"/home/src/workspaces/solution/projects/shared/src/logging.ts": `export function log(str: string) {
+    console.log(str);
+}`,
+			"/home/src/workspaces/solution/projects/shared/src/myClass.ts": "export class MyClass { }",
+			"/home/src/workspaces/solution/projects/shared/src/random.ts": `export function randomFn(str: string) {
+    console.log(str);
+}`,
+			"/home/src/workspaces/solution/projects/shared/tsconfig.json": `{
+    "extends": "../../tsconfig.json",
+    "compilerOptions": {
+        "outDir": "./dist",
+    },
+    "include": ["src/**/*.ts"],
+}`,
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    },
+    "references": [
+        { "path": "projects/server" },
+        { "path": "projects/shared" },
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "edit logging file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/projects/shared/src/logging.ts", `export function log(str: string) {
+    console.log(str);
+}export const x = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete random file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/solution/projects/shared/src/random.ts")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_roots_when_root_file_is_from_referenced_project_test.go b/internal/execute/tsctests/tests/tsbuildWatch_roots_when_root_file_is_from_referenced_project_test.go
new file mode 100644
index 00000000000..22b535519d5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_roots_when_root_file_is_from_referenced_project_test.go
@@ -0,0 +1,89 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_roots_when_root_file_is_from_referenced_project(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "roots",
+		SubScenario:     "when root file is from referenced project",
+		CommandLineArgs: []string{"--b", "-w", "projects/server", "-v", "--traceResolution", "--explainFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/projects/server/src/server.ts": `import { MyClass } from ':shared/myClass.js';
+console.log('Hello, world!');`,
+			"/home/src/workspaces/solution/projects/server/tsconfig.json": `{
+    "extends": "../../tsconfig.json",
+    "compilerOptions": {
+        "rootDir": "..",
+        "outDir": "./dist",
+        "paths": {
+            ":shared/*": ["./src/../../shared/src/*"],
+        },
+    },
+    "include": [ "src/**/*.ts", "../shared/src/**/*.ts" ],
+    "references": [
+        { "path": "../shared" },
+    ],
+}`,
+			"/home/src/workspaces/solution/projects/shared/src/logging.ts": `export function log(str: string) {
+    console.log(str);
+}`,
+			"/home/src/workspaces/solution/projects/shared/src/myClass.ts": "export class MyClass { }",
+			"/home/src/workspaces/solution/projects/shared/src/random.ts": `export function randomFn(str: string) {
+    console.log(str);
+}`,
+			"/home/src/workspaces/solution/projects/shared/tsconfig.json": `{
+    "extends": "../../tsconfig.json",
+    "compilerOptions": {
+        "outDir": "./dist",
+    },
+    "include": ["src/**/*.ts"],
+}`,
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    },
+    "references": [
+        { "path": "projects/server" },
+        { "path": "projects/shared" },
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "edit logging file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/projects/shared/src/logging.ts", `export function log(str: string) {
+    console.log(str);
+}export const x = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete random file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/solution/projects/shared/src/random.ts")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_builds_when_new_file_is_added_and_its_subsequent_updates_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_builds_when_new_file_is_added_and_its_subsequent_updates_test.go
new file mode 100644
index 00000000000..5a3e21e3932
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_builds_when_new_file_is_added_and_its_subsequent_updates_test.go
@@ -0,0 +1,87 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_builds_when_new_file_is_added_and_its_subsequent_updates(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "builds when new file is added, and its subsequent updates",
+		CommandLineArgs: []string{"--b", "-w", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Change to new File and build core",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/newfile.ts", "export const newFileConst = 30;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Change to new File and build core",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/newfile.ts", `
+export class someClass2 { }`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_builds_when_new_file_is_added_and_its_subsequent_updates_with_circular_references_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_builds_when_new_file_is_added_and_its_subsequent_updates_with_circular_references_test.go
new file mode 100644
index 00000000000..27908a80f30
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_builds_when_new_file_is_added_and_its_subsequent_updates_with_circular_references_test.go
@@ -0,0 +1,88 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_builds_when_new_file_is_added_and_its_subsequent_updates_with_circular_references(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "builds when new file is added, and its subsequent updates with circular references",
+		CommandLineArgs: []string{"--b", "-w", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true
+    },
+    "references": [
+        { "path": "../tests", "circular": true }
+    ],
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Change to new File and build core",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/newfile.ts", "export const newFileConst = 30;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Change to new File and build core",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/newfile.ts", `
+export class someClass2 { }`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_change_builds_changes_and_reports_found_errors_message_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_change_builds_changes_and_reports_found_errors_message_test.go
new file mode 100644
index 00000000000..0149387d493
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_change_builds_changes_and_reports_found_errors_message_test.go
@@ -0,0 +1,102 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_change_builds_changes_and_reports_found_errors_message(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "change builds changes and reports found errors message",
+		CommandLineArgs: []string{"--b", "-w", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Make change to core",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+export class someClass { }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Revert core file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Make two changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+export class someClass { }
+export class someClass2 { }`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_change_builds_changes_and_reports_found_errors_message_with_circular_references_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_change_builds_changes_and_reports_found_errors_message_with_circular_references_test.go
new file mode 100644
index 00000000000..5ab7221bb55
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_change_builds_changes_and_reports_found_errors_message_with_circular_references_test.go
@@ -0,0 +1,103 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_change_builds_changes_and_reports_found_errors_message_with_circular_references(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "change builds changes and reports found errors message with circular references",
+		CommandLineArgs: []string{"--b", "-w", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true
+    },
+    "references": [
+        { "path": "../tests", "circular": true }
+    ],
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Make change to core",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+export class someClass { }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Revert core file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Make two changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+export class someClass { }
+export class someClass2 { }`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_incremental_updates_in_verbose_mode_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_incremental_updates_in_verbose_mode_test.go
new file mode 100644
index 00000000000..ecd0f01e7f0
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_incremental_updates_in_verbose_mode_test.go
@@ -0,0 +1,98 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_incremental_updates_in_verbose_mode(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "incremental updates in verbose mode",
+		CommandLineArgs: []string{"--b", "-w", "tests", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Make non dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/logic/index.ts", `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;
+function someFn() { }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Make dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/logic/index.ts", `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;
+export function someFn() { }`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_non_local_change_does_not_start_build_of_referencing_projects_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_non_local_change_does_not_start_build_of_referencing_projects_test.go
new file mode 100644
index 00000000000..90624d25c77
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_non_local_change_does_not_start_build_of_referencing_projects_test.go
@@ -0,0 +1,82 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_non_local_change_does_not_start_build_of_referencing_projects(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "non local change does not start build of referencing projects",
+		CommandLineArgs: []string{"--b", "-w", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Make local change to core",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+function foo() { }`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_non_local_change_does_not_start_build_of_referencing_projects_with_circular_references_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_non_local_change_does_not_start_build_of_referencing_projects_with_circular_references_test.go
new file mode 100644
index 00000000000..2b34cc7f684
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_non_local_change_does_not_start_build_of_referencing_projects_with_circular_references_test.go
@@ -0,0 +1,83 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_non_local_change_does_not_start_build_of_referencing_projects_with_circular_references(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "non local change does not start build of referencing projects with circular references",
+		CommandLineArgs: []string{"--b", "-w", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true
+    },
+    "references": [
+        { "path": "../tests", "circular": true }
+    ],
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Make local change to core",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+function foo() { }`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_reportErrors_when_preserveWatchOutput_is_not_used_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_reportErrors_when_preserveWatchOutput_is_not_used_test.go
new file mode 100644
index 00000000000..5e7f270258f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_reportErrors_when_preserveWatchOutput_is_not_used_test.go
@@ -0,0 +1,107 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_reportErrors_when_preserveWatchOutput_is_not_used(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "reportErrors when preserveWatchOutput is not used",
+		CommandLineArgs: []string{"-b", "-w", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change logic",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/logic/index.ts", `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;
+let y: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change core",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+let x: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "fix error in logic",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/logic/index.ts", `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_reportErrors_when_preserveWatchOutput_is_passed_on_command_line_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_reportErrors_when_preserveWatchOutput_is_passed_on_command_line_test.go
new file mode 100644
index 00000000000..dcabc643f0b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_reportErrors_when_preserveWatchOutput_is_passed_on_command_line_test.go
@@ -0,0 +1,107 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_reportErrors_when_preserveWatchOutput_is_passed_on_command_line(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "reportErrors when preserveWatchOutput is passed on command line",
+		CommandLineArgs: []string{"-b", "-w", "tests", "--preserveWatchOutput"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change logic",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/logic/index.ts", `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;
+let y: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change core",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+let x: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "fix error in logic",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/logic/index.ts", `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_reportErrors_when_stopBuildOnErrors_is_passed_on_command_line_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_reportErrors_when_stopBuildOnErrors_is_passed_on_command_line_test.go
new file mode 100644
index 00000000000..0097d642f25
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_reportErrors_when_stopBuildOnErrors_is_passed_on_command_line_test.go
@@ -0,0 +1,108 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_reportErrors_when_stopBuildOnErrors_is_passed_on_command_line(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "reportErrors when stopBuildOnErrors is passed on command line",
+		CommandLineArgs: []string{"-b", "-w", "tests", "--stopBuildOnErrors"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change logic",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/logic/index.ts", `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;
+let y: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:      "change core",
+		ExpectedDiff: "Clean build will stop on error in core and will not report error in logic\nWatch build will retain previous errors from logic and report it",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+let x: string = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "fix error in logic",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/logic/index.ts", `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_should_not_trigger_recompilation_because_of_program_emit_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_should_not_trigger_recompilation_because_of_program_emit_test.go
new file mode 100644
index 00000000000..bee559a28f8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_should_not_trigger_recompilation_because_of_program_emit_test.go
@@ -0,0 +1,87 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_should_not_trigger_recompilation_because_of_program_emit(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "should not trigger recompilation because of program emit",
+		CommandLineArgs: []string{"--b", "-w", "core", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Add new file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/file3.ts", "export const y = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_should_not_trigger_recompilation_because_of_program_emit_with_outDir_specified_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_should_not_trigger_recompilation_because_of_program_emit_with_outDir_specified_test.go
new file mode 100644
index 00000000000..40edaa08c11
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_should_not_trigger_recompilation_because_of_program_emit_with_outDir_specified_test.go
@@ -0,0 +1,85 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_should_not_trigger_recompilation_because_of_program_emit_with_outDir_specified(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "should not trigger recompilation because of program emit with outDir specified",
+		CommandLineArgs: []string{"--b", "-w", "core", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "outDir"
+    }
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Add new file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/file3.ts", "export const y = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_test.go
new file mode 100644
index 00000000000..86a14fb7a34
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_test.go
@@ -0,0 +1,81 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "skips builds downstream projects if upstream projects have errors with stopBuildOnErrors",
+		CommandLineArgs: []string{"--b", "tests", "--verbose", "--stopBuildOnErrors", "--watch"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }multiply();`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_when_test_does_not_reference_core_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_when_test_does_not_reference_core_test.go
new file mode 100644
index 00000000000..2ec1612f90e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_when_test_does_not_reference_core_test.go
@@ -0,0 +1,80 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_when_test_does_not_reference_core(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "skips builds downstream projects if upstream projects have errors with stopBuildOnErrors when test does not reference core",
+		CommandLineArgs: []string{"--b", "tests", "--verbose", "--stopBuildOnErrors", "--watch"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }multiply();`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuildWatch_sample_watches_config_files_that_are_not_present_test.go b/internal/execute/tsctests/tests/tsbuildWatch_sample_watches_config_files_that_are_not_present_test.go
new file mode 100644
index 00000000000..d8e09f8c1e6
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuildWatch_sample_watches_config_files_that_are_not_present_test.go
@@ -0,0 +1,78 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuildWatch_sample_watches_config_files_that_are_not_present(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "watches config files that are not present",
+		CommandLineArgs: []string{"--b", "-w", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Write logic",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/logic/tsconfig.json", `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_clean_file_name_and_output_name_clashing_test.go b/internal/execute/tsctests/tests/tsbuild_clean_file_name_and_output_name_clashing_test.go
new file mode 100644
index 00000000000..2d7992ca77b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_clean_file_name_and_output_name_clashing_test.go
@@ -0,0 +1,27 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_clean_file_name_and_output_name_clashing(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "clean",
+		SubScenario:     "file name and output name clashing",
+		CommandLineArgs: []string{"--b", "--clean"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/bar.ts":   "",
+			"/home/src/workspaces/solution/index.js": "",
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "compilerOptions": { "allowJs": true }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_clean_tsx_with_dts_emit_test.go b/internal/execute/tsctests/tests/tsbuild_clean_tsx_with_dts_emit_test.go
new file mode 100644
index 00000000000..d3cd6b0edff
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_clean_tsx_with_dts_emit_test.go
@@ -0,0 +1,36 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_clean_tsx_with_dts_emit(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "clean",
+		SubScenario:     "tsx with dts emit",
+		CommandLineArgs: []string{"--b", "project", "-v", "--explainFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/main.tsx": "export const x = 10;",
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": { "declaration": true },
+    "include": ["src/**/*.tsx", "src/**/*.ts"]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "clean build",
+		CommandLineArgs: []string{"-b", "project", "--clean"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_commandLine_bad_locale_test.go b/internal/execute/tsctests/tests/tsbuild_commandLine_bad_locale_test.go
new file mode 100644
index 00000000000..d99bda664f9
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_commandLine_bad_locale_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_commandLine_bad_locale(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "bad locale",
+		CommandLineArgs: []string{"--build", "--help", "--locale", "whoops"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_commandLine_different_options_test.go b/internal/execute/tsctests/tests/tsbuild_commandLine_different_options_test.go
new file mode 100644
index 00000000000..8de820f15b8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_commandLine_different_options_test.go
@@ -0,0 +1,88 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_commandLine_different_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "different options",
+		CommandLineArgs: []string{"--build", "--verbose"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = 10;const aLocal = 10;",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;const bLocal = 10;",
+			"/home/src/workspaces/project/c.ts": "import { a } from \"./a\";export const c = a;",
+			"/home/src/workspaces/project/d.ts": "import { b } from \"./b\";export const d = b;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with sourceMap",
+		CommandLineArgs: []string{"--build", "--verbose", "--sourceMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "should re-emit only js so they dont contain sourcemap",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration should not emit anything",
+		CommandLineArgs: []string{"--build", "--verbose", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration and declarationMap",
+		CommandLineArgs: []string{"--build", "--verbose", "--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "should re-emit only dts so they dont contain sourcemap",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with emitDeclarationOnly should not emit anything",
+		CommandLineArgs: []string{"--build", "--verbose", "--emitDeclarationOnly"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = 10;const aLocal = 100;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration should not emit anything",
+		CommandLineArgs: []string{"--build", "--verbose", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with inlineSourceMap",
+		CommandLineArgs: []string{"--build", "--verbose", "--inlineSourceMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with sourceMap",
+		CommandLineArgs: []string{"--build", "--verbose", "--sourceMap"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_commandLine_different_options_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_commandLine_different_options_with_incremental_test.go
new file mode 100644
index 00000000000..9cbf3c1394e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_commandLine_different_options_with_incremental_test.go
@@ -0,0 +1,93 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_commandLine_different_options_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "different options with incremental",
+		CommandLineArgs: []string{"--build", "--verbose"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = 10;const aLocal = 10;",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;const bLocal = 10;",
+			"/home/src/workspaces/project/c.ts": "import { a } from \"./a\";export const c = a;",
+			"/home/src/workspaces/project/d.ts": "import { b } from \"./b\";export const d = b;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with sourceMap",
+		CommandLineArgs: []string{"--build", "--verbose", "--sourceMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "should re-emit only js so they dont contain sourcemap",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration, emit Dts and should not emit js",
+		CommandLineArgs: []string{"--build", "--verbose", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration and declarationMap",
+		CommandLineArgs: []string{"--build", "--verbose", "--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = 10;const aLocal = 100;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration and declarationMap",
+		CommandLineArgs: []string{"--build", "--verbose", "--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with inlineSourceMap",
+		CommandLineArgs: []string{"--build", "--verbose", "--inlineSourceMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with sourceMap",
+		CommandLineArgs: []string{"--build", "--verbose", "--sourceMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "emit js files",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration and declarationMap",
+		CommandLineArgs: []string{"--build", "--verbose", "--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration and declarationMap, should not re-emit",
+		CommandLineArgs: []string{"--build", "--verbose", "--declaration", "--declarationMap"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_false_on_commandline_test.go b/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_false_on_commandline_test.go
new file mode 100644
index 00000000000..ddf72eafedb
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_false_on_commandline_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_commandLine_emitDeclarationOnly_false_on_commandline(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "emitDeclarationOnly false on commandline",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project1/src/a.ts": "export const a = 10;const aLocal = 10;",
+			"/home/src/workspaces/solution/project1/src/b.ts": "export const b = 10;const bLocal = 10;",
+			"/home/src/workspaces/solution/project1/src/c.ts": "import { a } from \"./a\";export const c = a;",
+			"/home/src/workspaces/solution/project1/src/d.ts": "import { b } from \"./b\";export const d = b;",
+			"/home/src/workspaces/solution/project1/src/tsconfig.json": `{
+    "compilerOptions": { "composite": true, "emitDeclarationOnly": true }
+}`,
+			"/home/src/workspaces/solution/project2/src/e.ts": "export const e = 10;",
+			"/home/src/workspaces/solution/project2/src/f.ts": "import { a } from \"../../project1/src/a\"; export const f = a;",
+			"/home/src/workspaces/solution/project2/src/g.ts": "import { b } from \"../../project1/src/b\"; export const g = b;",
+			"/home/src/workspaces/solution/project2/src/tsconfig.json": `{
+    "compilerOptions": { "composite": true, "emitDeclarationOnly": true },
+    "references": [{ "path": "../../project1/src" }]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/a.ts", "export const a = 10;const aLocal = 10;const aa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "emit js files",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose", "--emitDeclarationOnly", "false"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "no change run with js emit",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose", "--emitDeclarationOnly", "false"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "js emit with change",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose", "--emitDeclarationOnly", "false"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const blocal = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_false_on_commandline_with_declaration_and_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_false_on_commandline_with_declaration_and_incremental_test.go
new file mode 100644
index 00000000000..05fd2b02118
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_false_on_commandline_with_declaration_and_incremental_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_commandLine_emitDeclarationOnly_false_on_commandline_with_declaration_and_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "emitDeclarationOnly false on commandline with declaration and incremental",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project1/src/a.ts": "export const a = 10;const aLocal = 10;",
+			"/home/src/workspaces/solution/project1/src/b.ts": "export const b = 10;const bLocal = 10;",
+			"/home/src/workspaces/solution/project1/src/c.ts": "import { a } from \"./a\";export const c = a;",
+			"/home/src/workspaces/solution/project1/src/d.ts": "import { b } from \"./b\";export const d = b;",
+			"/home/src/workspaces/solution/project1/src/tsconfig.json": `{
+    "compilerOptions": { "incremental": true, "declaration": true, "emitDeclarationOnly": true }
+}`,
+			"/home/src/workspaces/solution/project2/src/e.ts": "export const e = 10;",
+			"/home/src/workspaces/solution/project2/src/f.ts": "import { a } from \"../../project1/src/a\"; export const f = a;",
+			"/home/src/workspaces/solution/project2/src/g.ts": "import { b } from \"../../project1/src/b\"; export const g = b;",
+			"/home/src/workspaces/solution/project2/src/tsconfig.json": `{
+    "compilerOptions": { "incremental": true, "declaration": true, "emitDeclarationOnly": true },
+    "references": [{ "path": "../../project1/src" }]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/a.ts", "export const a = 10;const aLocal = 10;const aa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "emit js files",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose", "--emitDeclarationOnly", "false"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "no change run with js emit",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose", "--emitDeclarationOnly", "false"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "js emit with change",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose", "--emitDeclarationOnly", "false"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const blocal = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_false_on_commandline_with_declaration_test.go b/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_false_on_commandline_with_declaration_test.go
new file mode 100644
index 00000000000..a08bb4bf95a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_false_on_commandline_with_declaration_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_commandLine_emitDeclarationOnly_false_on_commandline_with_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "emitDeclarationOnly false on commandline with declaration",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project1/src/a.ts": "export const a = 10;const aLocal = 10;",
+			"/home/src/workspaces/solution/project1/src/b.ts": "export const b = 10;const bLocal = 10;",
+			"/home/src/workspaces/solution/project1/src/c.ts": "import { a } from \"./a\";export const c = a;",
+			"/home/src/workspaces/solution/project1/src/d.ts": "import { b } from \"./b\";export const d = b;",
+			"/home/src/workspaces/solution/project1/src/tsconfig.json": `{
+    "compilerOptions": { "declaration": true, "emitDeclarationOnly": true }
+}`,
+			"/home/src/workspaces/solution/project2/src/e.ts": "export const e = 10;",
+			"/home/src/workspaces/solution/project2/src/f.ts": "import { a } from \"../../project1/src/a\"; export const f = a;",
+			"/home/src/workspaces/solution/project2/src/g.ts": "import { b } from \"../../project1/src/b\"; export const g = b;",
+			"/home/src/workspaces/solution/project2/src/tsconfig.json": `{
+    "compilerOptions": { "declaration": true, "emitDeclarationOnly": true },
+    "references": [{ "path": "../../project1/src" }]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/a.ts", "export const a = 10;const aLocal = 10;const aa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "emit js files",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose", "--emitDeclarationOnly", "false"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "no change run with js emit",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose", "--emitDeclarationOnly", "false"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "js emit with change",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose", "--emitDeclarationOnly", "false"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const blocal = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_on_commandline_test.go b/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_on_commandline_test.go
new file mode 100644
index 00000000000..07098f38f72
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_on_commandline_test.go
@@ -0,0 +1,93 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_commandLine_emitDeclarationOnly_on_commandline(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "emitDeclarationOnly on commandline",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose", "--emitDeclarationOnly"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project1/src/a.ts": "export const a = 10;const aLocal = 10;",
+			"/home/src/workspaces/solution/project1/src/b.ts": "export const b = 10;const bLocal = 10;",
+			"/home/src/workspaces/solution/project1/src/c.ts": "import { a } from \"./a\";export const c = a;",
+			"/home/src/workspaces/solution/project1/src/d.ts": "import { b } from \"./b\";export const d = b;",
+			"/home/src/workspaces/solution/project1/src/tsconfig.json": `{
+    "compilerOptions": { "composite": true }
+}`,
+			"/home/src/workspaces/solution/project2/src/e.ts": "export const e = 10;",
+			"/home/src/workspaces/solution/project2/src/f.ts": "import { a } from \"../../project1/src/a\"; export const f = a;",
+			"/home/src/workspaces/solution/project2/src/g.ts": "import { b } from \"../../project1/src/b\"; export const g = b;",
+			"/home/src/workspaces/solution/project2/src/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../../project1/src" }]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/a.ts", "export const a = 10;const aLocal = 10;const aa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "non local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/a.ts", "export const a = 10;const aLocal = 10;const aa = 10;export const aaa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "emit js files",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "js emit with change without emitDeclarationOnly",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const alocal = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const alocal = 10;const aaaa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "non local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const alocal = 10;const aaaa = 10;export const aaaaa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "js emit with change without emitDeclarationOnly",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const alocal = 10;const aaaa = 10;export const aaaaa = 10;export const a2 = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_on_commandline_with_declaration_and_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_on_commandline_with_declaration_and_incremental_test.go
new file mode 100644
index 00000000000..5cdbb1a1b4a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_on_commandline_with_declaration_and_incremental_test.go
@@ -0,0 +1,93 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_commandLine_emitDeclarationOnly_on_commandline_with_declaration_and_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "emitDeclarationOnly on commandline with declaration and incremental",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose", "--emitDeclarationOnly"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project1/src/a.ts": "export const a = 10;const aLocal = 10;",
+			"/home/src/workspaces/solution/project1/src/b.ts": "export const b = 10;const bLocal = 10;",
+			"/home/src/workspaces/solution/project1/src/c.ts": "import { a } from \"./a\";export const c = a;",
+			"/home/src/workspaces/solution/project1/src/d.ts": "import { b } from \"./b\";export const d = b;",
+			"/home/src/workspaces/solution/project1/src/tsconfig.json": `{
+    "compilerOptions": { "incremental": true, "declaration": true }
+}`,
+			"/home/src/workspaces/solution/project2/src/e.ts": "export const e = 10;",
+			"/home/src/workspaces/solution/project2/src/f.ts": "import { a } from \"../../project1/src/a\"; export const f = a;",
+			"/home/src/workspaces/solution/project2/src/g.ts": "import { b } from \"../../project1/src/b\"; export const g = b;",
+			"/home/src/workspaces/solution/project2/src/tsconfig.json": `{
+    "compilerOptions": { "incremental": true, "declaration": true },
+    "references": [{ "path": "../../project1/src" }]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/a.ts", "export const a = 10;const aLocal = 10;const aa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "non local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/a.ts", "export const a = 10;const aLocal = 10;const aa = 10;export const aaa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "emit js files",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "js emit with change without emitDeclarationOnly",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const alocal = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const alocal = 10;const aaaa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "non local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const alocal = 10;const aaaa = 10;export const aaaaa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "js emit with change without emitDeclarationOnly",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const alocal = 10;const aaaa = 10;export const aaaaa = 10;export const a2 = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_on_commandline_with_declaration_test.go b/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_on_commandline_with_declaration_test.go
new file mode 100644
index 00000000000..66ab23e643d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_commandLine_emitDeclarationOnly_on_commandline_with_declaration_test.go
@@ -0,0 +1,93 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_commandLine_emitDeclarationOnly_on_commandline_with_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "emitDeclarationOnly on commandline with declaration",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose", "--emitDeclarationOnly"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project1/src/a.ts": "export const a = 10;const aLocal = 10;",
+			"/home/src/workspaces/solution/project1/src/b.ts": "export const b = 10;const bLocal = 10;",
+			"/home/src/workspaces/solution/project1/src/c.ts": "import { a } from \"./a\";export const c = a;",
+			"/home/src/workspaces/solution/project1/src/d.ts": "import { b } from \"./b\";export const d = b;",
+			"/home/src/workspaces/solution/project1/src/tsconfig.json": `{
+    "compilerOptions": { "declaration": true }
+}`,
+			"/home/src/workspaces/solution/project2/src/e.ts": "export const e = 10;",
+			"/home/src/workspaces/solution/project2/src/f.ts": "import { a } from \"../../project1/src/a\"; export const f = a;",
+			"/home/src/workspaces/solution/project2/src/g.ts": "import { b } from \"../../project1/src/b\"; export const g = b;",
+			"/home/src/workspaces/solution/project2/src/tsconfig.json": `{
+    "compilerOptions": { "declaration": true },
+    "references": [{ "path": "../../project1/src" }]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/a.ts", "export const a = 10;const aLocal = 10;const aa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "non local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/a.ts", "export const a = 10;const aLocal = 10;const aa = 10;export const aaa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "emit js files",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "js emit with change without emitDeclarationOnly",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const alocal = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const alocal = 10;const aaaa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "non local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const alocal = 10;const aaaa = 10;export const aaaaa = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "js emit with change without emitDeclarationOnly",
+		CommandLineArgs: []string{"--b", "project2/src", "--verbose"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project1/src/b.ts", "export const b = 10;const bLocal = 10;const alocal = 10;const aaaa = 10;export const aaaaa = 10;export const a2 = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_commandLine_help_test.go b/internal/execute/tsctests/tests/tsbuild_commandLine_help_test.go
new file mode 100644
index 00000000000..29ef626dba3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_commandLine_help_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_commandLine_help(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "help",
+		CommandLineArgs: []string{"--build", "--help"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_commandLine_locale_test.go b/internal/execute/tsctests/tests/tsbuild_commandLine_locale_test.go
new file mode 100644
index 00000000000..a0b00c358e5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_commandLine_locale_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_commandLine_locale(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "locale",
+		CommandLineArgs: []string{"--build", "--help", "--locale", "en"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_commandLine_when_build_not_first_argument_test.go b/internal/execute/tsctests/tests/tsbuild_commandLine_when_build_not_first_argument_test.go
new file mode 100644
index 00000000000..98f536abe50
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_commandLine_when_build_not_first_argument_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_commandLine_when_build_not_first_argument(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "when build not first argument",
+		CommandLineArgs: []string{"--verbose", "--build"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_configFileErrors_missing_config_file_test.go b/internal/execute/tsctests/tests/tsbuild_configFileErrors_missing_config_file_test.go
new file mode 100644
index 00000000000..ce94ddd8047
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_configFileErrors_missing_config_file_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_configFileErrors_missing_config_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "configFileErrors",
+		SubScenario:     "missing config file",
+		CommandLineArgs: []string{"--b", "bogus.json"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_configFileErrors_reports_syntax_errors_in_config_file_test.go b/internal/execute/tsctests/tests/tsbuild_configFileErrors_reports_syntax_errors_in_config_file_test.go
new file mode 100644
index 00000000000..3d9aee0ba2e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_configFileErrors_reports_syntax_errors_in_config_file_test.go
@@ -0,0 +1,73 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_configFileErrors_reports_syntax_errors_in_config_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "configFileErrors",
+		SubScenario:     "reports syntax errors in config file",
+		CommandLineArgs: []string{"--b"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export function foo() { }",
+			"/home/src/workspaces/project/b.ts": "export function bar() { }",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    },
+    "files": [
+        "a.ts"
+        "b.ts"
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "reports syntax errors after change to config file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+    "compilerOptions": {
+        "composite": true, "declaration": true
+    },
+    "files": [
+        "a.ts"
+        "b.ts"
+    ]
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "reports syntax errors after change to ts file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export function foo() { }export function fooBar() { }")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "builds after fixing config file errors",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+    "compilerOptions": {
+        "composite": true, "declaration": true
+    },
+    "files": [
+        "a.ts",
+        "b.ts"
+    ]
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_configFileErrors_when_tsconfig_extends_the_missing_file_test.go b/internal/execute/tsctests/tests/tsbuild_configFileErrors_when_tsconfig_extends_the_missing_file_test.go
new file mode 100644
index 00000000000..bc9b670c669
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_configFileErrors_when_tsconfig_extends_the_missing_file_test.go
@@ -0,0 +1,42 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_configFileErrors_when_tsconfig_extends_the_missing_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "configFileErrors",
+		SubScenario:     "when tsconfig extends the missing file",
+		CommandLineArgs: []string{"--b"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/tsconfig.first.json": `{
+    "extends": "./foobar.json",
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true
+    },
+    "references": [
+        { "path": "./tsconfig.first.json" },
+        { "path": "./tsconfig.second.json" }
+    ]
+}`,
+			"/home/src/workspaces/project/tsconfig.second.json": `{
+    "extends": "./foobar.json",
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_declarationEmit_reports_dts_generation_errors_test.go b/internal/execute/tsctests/tests/tsbuild_declarationEmit_reports_dts_generation_errors_test.go
new file mode 100644
index 00000000000..79d6538d3e3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_declarationEmit_reports_dts_generation_errors_test.go
@@ -0,0 +1,51 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_declarationEmit_reports_dts_generation_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "declarationEmit",
+		SubScenario:     "reports dts generation errors",
+		CommandLineArgs: []string{"-b", "--explainFiles", "--listEmittedFiles", "--v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts": `import ky from 'ky';
+export const api = ky.extend({});`,
+			"/home/src/workspaces/project/node_modules/ky/distribution/index.d.ts": `type KyInstance = {
+    extend(options: Record<string,unknown>): KyInstance;
+}
+declare const ky: KyInstance;
+export default ky;`,
+			"/home/src/workspaces/project/node_modules/ky/package.json": `{
+    "name": "ky",
+    "type": "module",
+    "main": "./distribution/index.js"
+}`,
+			"/home/src/workspaces/project/package.json": `{
+    "type": "module"
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "NodeNext",
+        "moduleResolution": "NodeNext",
+        "composite": false,
+        "incremental": false,
+        "declaration": true,
+        "skipLibCheck": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_declarationEmit_reports_dts_generation_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_declarationEmit_reports_dts_generation_errors_with_incremental_test.go
new file mode 100644
index 00000000000..c70b4c1ee7b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_declarationEmit_reports_dts_generation_errors_with_incremental_test.go
@@ -0,0 +1,51 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_declarationEmit_reports_dts_generation_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "declarationEmit",
+		SubScenario:     "reports dts generation errors with incremental",
+		CommandLineArgs: []string{"-b", "--explainFiles", "--listEmittedFiles", "--v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts": `import ky from 'ky';
+export const api = ky.extend({});`,
+			"/home/src/workspaces/project/node_modules/ky/distribution/index.d.ts": `type KyInstance = {
+    extend(options: Record<string,unknown>): KyInstance;
+}
+declare const ky: KyInstance;
+export default ky;`,
+			"/home/src/workspaces/project/node_modules/ky/package.json": `{
+    "name": "ky",
+    "type": "module",
+    "main": "./distribution/index.js"
+}`,
+			"/home/src/workspaces/project/package.json": `{
+    "type": "module"
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "NodeNext",
+        "moduleResolution": "NodeNext",
+        "composite": false,
+        "incremental": true,
+        "declaration": true,
+        "skipLibCheck": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_declarationEmit_when_declaration_file_is_referenced_through_triple_slash_but_uses_no_references_test.go b/internal/execute/tsctests/tests/tsbuild_declarationEmit_when_declaration_file_is_referenced_through_triple_slash_but_uses_no_references_test.go
new file mode 100644
index 00000000000..0d76389586d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_declarationEmit_when_declaration_file_is_referenced_through_triple_slash_but_uses_no_references_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_declarationEmit_when_declaration_file_is_referenced_through_triple_slash_but_uses_no_references(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "declarationEmit",
+		SubScenario:     "when declaration file is referenced through triple slash but uses no references",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/src/common/nominal.ts": `/// <reference path="./types.d.ts" preserve="true" />
+export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;`,
+			"/home/src/workspaces/solution/src/common/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+    "compilerOptions": { "composite": true },
+    "include": ["./nominal.ts"],
+}`,
+			"/home/src/workspaces/solution/src/common/types.d.ts": `declare type MyNominal<T, Name extends string> = T & {
+    specialKey: Name;
+};`,
+			"/home/src/workspaces/solution/src/subProject/index.ts": `import { Nominal } from '../common/nominal';
+export type MyNominal = Nominal<string, 'MyNominal'>;`,
+			"/home/src/workspaces/solution/src/subProject/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../common" }],
+    "include": ["./index.ts"],
+}`,
+			"/home/src/workspaces/solution/src/subProject2/index.ts": `import { MyNominal } from '../subProject/index';
+const variable = {
+    key: 'value' as MyNominal,
+};
+export function getVar(): keyof typeof variable {
+    return 'key';
+}`,
+			"/home/src/workspaces/solution/src/subProject2/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../subProject" }],
+    "include": ["./index.ts"],
+}`,
+			"/home/src/workspaces/solution/src/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "./subProject" }, { "path": "./subProject2" }],
+    "include": [],
+}`,
+			"/home/src/workspaces/solution/tsconfig.base.json": `{
+    "compilerOptions": {
+        "rootDir": "./",
+        "outDir": "lib",
+    },
+}`,
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "extends": "./tsconfig.base.json",
+    "compilerOptions": { "composite": true },
+    "include": ["./src/**/*.ts"],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_declarationEmit_when_declaration_file_is_referenced_through_triple_slash_test.go b/internal/execute/tsctests/tests/tsbuild_declarationEmit_when_declaration_file_is_referenced_through_triple_slash_test.go
new file mode 100644
index 00000000000..6989ca745ad
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_declarationEmit_when_declaration_file_is_referenced_through_triple_slash_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_declarationEmit_when_declaration_file_is_referenced_through_triple_slash(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "declarationEmit",
+		SubScenario:     "when declaration file is referenced through triple slash",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/src/common/nominal.ts": `/// <reference path="./types.d.ts" preserve="true" />
+export declare type Nominal<T, Name extends string> = MyNominal<T, Name>;`,
+			"/home/src/workspaces/solution/src/common/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+    "compilerOptions": { "composite": true },
+    "include": ["./nominal.ts"],
+}`,
+			"/home/src/workspaces/solution/src/common/types.d.ts": `declare type MyNominal<T, Name extends string> = T & {
+    specialKey: Name;
+};`,
+			"/home/src/workspaces/solution/src/subProject/index.ts": `import { Nominal } from '../common/nominal';
+export type MyNominal = Nominal<string, 'MyNominal'>;`,
+			"/home/src/workspaces/solution/src/subProject/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../common" }],
+    "include": ["./index.ts"],
+}`,
+			"/home/src/workspaces/solution/src/subProject2/index.ts": `import { MyNominal } from '../subProject/index';
+const variable = {
+    key: 'value' as MyNominal,
+};
+export function getVar(): keyof typeof variable {
+    return 'key';
+}`,
+			"/home/src/workspaces/solution/src/subProject2/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../subProject" }],
+    "include": ["./index.ts"],
+}`,
+			"/home/src/workspaces/solution/src/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "./subProject" }, { "path": "./subProject2" }],
+    "include": [],
+}`,
+			"/home/src/workspaces/solution/tsconfig.base.json": `{
+    "compilerOptions": {
+        "rootDir": "./",
+        "outDir": "lib",
+    },
+}`,
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "./src" }],
+    "include": [],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_declarationEmit_when_declaration_file_used_inferred_type_from_referenced_project_test.go b/internal/execute/tsctests/tests/tsbuild_declarationEmit_when_declaration_file_used_inferred_type_from_referenced_project_test.go
new file mode 100644
index 00000000000..85a6c2fa28e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_declarationEmit_when_declaration_file_used_inferred_type_from_referenced_project_test.go
@@ -0,0 +1,49 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_declarationEmit_when_declaration_file_used_inferred_type_from_referenced_project(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "declarationEmit",
+		SubScenario:     "when declaration file used inferred type from referenced project",
+		CommandLineArgs: []string{"--b", "packages/pkg2/tsconfig.json", "--verbose"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/packages/pkg1/src/index.ts": `export interface IThing {
+    a: string;
+}
+export interface IThings {
+    thing1: IThing;
+}`,
+			"/home/src/workspaces/project/packages/pkg1/tsconfig.json": `{
+    "extends": "../../tsconfig",
+    "compilerOptions": { "outDir": "lib" },
+    "include": ["src"],
+}`,
+			"/home/src/workspaces/project/packages/pkg2/src/index.ts": `import { IThings } from '@fluentui/pkg1';
+export function fn4() {
+    const a: IThings = { thing1: { a: 'b' } };
+    return a.thing1;
+}`,
+			"/home/src/workspaces/project/packages/pkg2/tsconfig.json": `{
+    "extends": "../../tsconfig",
+    "compilerOptions": { "outDir": "lib" },
+    "include": ["src"],
+    "references": [{ "path": "../pkg1" }],
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "paths": { "@fluentui/*": ["./packages/*/src"] },
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_demo_in_bad_ref_branch_reports_the_error_about_files_not_in_rootDir_at_the_import_location_test.go b/internal/execute/tsctests/tests/tsbuild_demo_in_bad_ref_branch_reports_the_error_about_files_not_in_rootDir_at_the_import_location_test.go
new file mode 100644
index 00000000000..b79c0294aa0
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_demo_in_bad_ref_branch_reports_the_error_about_files_not_in_rootDir_at_the_import_location_test.go
@@ -0,0 +1,104 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_demo_in_bad_ref_branch_reports_the_error_about_files_not_in_rootDir_at_the_import_location(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "demo",
+		SubScenario:     "in bad-ref branch reports the error about files not in rootDir at the import location",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Cwd:             "/user/username/projects/demo",
+		Files: tsctests.FileMap{
+			"/user/username/projects/demo/animals/animal.ts": `export type Size = "small" | "medium" | "large";
+export default interface Animal {
+    size: Size;
+}`,
+			"/user/username/projects/demo/animals/dog.ts": "import Animal from '.';\nimport { makeRandomName } from '../core/utilities';\n\nexport interface Dog extends Animal {\n    woof(): void;\n    name: string;\n}\n\nexport function createDog(): Dog {\n    return ({\n        size: \"medium\",\n        woof: function(this: Dog) {\n            console.log(`${ this.name } says \"Woof\"!`);\n        },\n        name: makeRandomName()\n    });\n}",
+			"/user/username/projects/demo/animals/index.ts": `import Animal from './animal';
+
+export default Animal;
+import { createDog, Dog } from './dog';
+export { createDog, Dog };`,
+			"/user/username/projects/demo/animals/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/animals",
+        "rootDir": "."
+    },
+    "references": [
+        { "path": "../core" }
+    ]
+}`,
+			"/user/username/projects/demo/core/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/core",
+        "rootDir": "."
+    },
+}`,
+			"/user/username/projects/demo/core/utilities.ts": `import * as A from '../animals'
+export function makeRandomName() {
+    return "Bob!?! ";
+}
+
+export function lastElementOf<T>(arr: T[]): T | undefined {
+    if (arr.length === 0) return undefined;
+    return arr[arr.length - 1];
+}`,
+			"/user/username/projects/demo/tsconfig-base.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "target": "es5",
+        "module": "commonjs",
+        "strict": true,
+        "noUnusedLocals": true,
+        "noUnusedParameters": true,
+        "noImplicitReturns": true,
+        "noFallthroughCasesInSwitch": true,
+        "composite": true,
+    },
+}`,
+			"/user/username/projects/demo/tsconfig.json": `{
+    "files": [],
+    "references": [
+        {
+            "path": "./core"
+        },
+        {
+            "path": "./animals",
+        },
+        {
+            "path": "./zoo",
+        },
+    ],
+}`,
+			"/user/username/projects/demo/zoo/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/zoo",
+        "rootDir": "."
+    },
+    "references": [
+        {
+            "path": "../animals"
+        }
+    ]
+}`,
+			"/user/username/projects/demo/zoo/zoo.ts": `import { Dog, createDog } from '../animals/index';
+
+export function createZoo(): Array<Dog> {
+    return [
+        createDog()
+    ];
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_demo_in_circular_branch_reports_the_error_about_it_by_stopping_build_test.go b/internal/execute/tsctests/tests/tsbuild_demo_in_circular_branch_reports_the_error_about_it_by_stopping_build_test.go
new file mode 100644
index 00000000000..b6a89722fff
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_demo_in_circular_branch_reports_the_error_about_it_by_stopping_build_test.go
@@ -0,0 +1,108 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_demo_in_circular_branch_reports_the_error_about_it_by_stopping_build(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "demo",
+		SubScenario:     "in circular branch reports the error about it by stopping build",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Cwd:             "/user/username/projects/demo",
+		Files: tsctests.FileMap{
+			"/user/username/projects/demo/animals/animal.ts": `export type Size = "small" | "medium" | "large";
+export default interface Animal {
+    size: Size;
+}`,
+			"/user/username/projects/demo/animals/dog.ts": "import Animal from '.';\nimport { makeRandomName } from '../core/utilities';\n\nexport interface Dog extends Animal {\n    woof(): void;\n    name: string;\n}\n\nexport function createDog(): Dog {\n    return ({\n        size: \"medium\",\n        woof: function(this: Dog) {\n            console.log(`${ this.name } says \"Woof\"!`);\n        },\n        name: makeRandomName()\n    });\n}",
+			"/user/username/projects/demo/animals/index.ts": `import Animal from './animal';
+
+export default Animal;
+import { createDog, Dog } from './dog';
+export { createDog, Dog };`,
+			"/user/username/projects/demo/animals/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/animals",
+        "rootDir": "."
+    },
+    "references": [
+        { "path": "../core" }
+    ]
+}`,
+			"/user/username/projects/demo/core/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/core",
+        "rootDir": "."
+    },
+    "references": [
+        {
+            "path": "../zoo",
+        }
+    ]
+}`,
+			"/user/username/projects/demo/core/utilities.ts": `export function makeRandomName() {
+    return "Bob!?! ";
+}
+
+export function lastElementOf<T>(arr: T[]): T | undefined {
+    if (arr.length === 0) return undefined;
+    return arr[arr.length - 1];
+}`,
+			"/user/username/projects/demo/tsconfig-base.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "target": "es5",
+        "module": "commonjs",
+        "strict": true,
+        "noUnusedLocals": true,
+        "noUnusedParameters": true,
+        "noImplicitReturns": true,
+        "noFallthroughCasesInSwitch": true,
+        "composite": true,
+    },
+}`,
+			"/user/username/projects/demo/tsconfig.json": `{
+    "files": [],
+    "references": [
+        {
+            "path": "./core"
+        },
+        {
+            "path": "./animals",
+        },
+        {
+            "path": "./zoo",
+        },
+    ],
+}`,
+			"/user/username/projects/demo/zoo/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/zoo",
+        "rootDir": "."
+    },
+    "references": [
+        {
+            "path": "../animals"
+        }
+    ]
+}`,
+			"/user/username/projects/demo/zoo/zoo.ts": `import { Dog, createDog } from '../animals/index';
+
+export function createZoo(): Array<Dog> {
+    return [
+        createDog()
+    ];
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_demo_in_circular_is_set_in_the_reference_test.go b/internal/execute/tsctests/tests/tsbuild_demo_in_circular_is_set_in_the_reference_test.go
new file mode 100644
index 00000000000..ab5102fea31
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_demo_in_circular_is_set_in_the_reference_test.go
@@ -0,0 +1,136 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_demo_in_circular_is_set_in_the_reference(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "demo",
+		SubScenario:     "in circular is set in the reference",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Cwd:             "/user/username/projects/demo",
+		Files: tsctests.FileMap{
+			"/user/username/projects/demo/a/index.ts": "export const a = 10;",
+			"/user/username/projects/demo/a/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/a",
+        "rootDir": "."
+    },
+    "references": [
+        {
+            "path": "../b",
+            "circular": true
+        }
+    ]
+}`,
+			"/user/username/projects/demo/animals/animal.ts": `export type Size = "small" | "medium" | "large";
+export default interface Animal {
+    size: Size;
+}`,
+			"/user/username/projects/demo/animals/dog.ts": "import Animal from '.';\nimport { makeRandomName } from '../core/utilities';\n\nexport interface Dog extends Animal {\n    woof(): void;\n    name: string;\n}\n\nexport function createDog(): Dog {\n    return ({\n        size: \"medium\",\n        woof: function(this: Dog) {\n            console.log(`${ this.name } says \"Woof\"!`);\n        },\n        name: makeRandomName()\n    });\n}",
+			"/user/username/projects/demo/animals/index.ts": `import Animal from './animal';
+
+export default Animal;
+import { createDog, Dog } from './dog';
+export { createDog, Dog };`,
+			"/user/username/projects/demo/animals/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/animals",
+        "rootDir": "."
+    },
+    "references": [
+        { "path": "../core" }
+    ]
+}`,
+			"/user/username/projects/demo/b/index.ts": "export const b = 10;",
+			"/user/username/projects/demo/b/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/b",
+        "rootDir": "."
+    },
+    "references": [
+        {
+            "path": "../a",
+        }
+    ]
+}`,
+			"/user/username/projects/demo/core/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/core",
+        "rootDir": "."
+    },
+}`,
+			"/user/username/projects/demo/core/utilities.ts": `export function makeRandomName() {
+    return "Bob!?! ";
+}
+
+export function lastElementOf<T>(arr: T[]): T | undefined {
+    if (arr.length === 0) return undefined;
+    return arr[arr.length - 1];
+}`,
+			"/user/username/projects/demo/tsconfig-base.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "target": "es5",
+        "module": "commonjs",
+        "strict": true,
+        "noUnusedLocals": true,
+        "noUnusedParameters": true,
+        "noImplicitReturns": true,
+        "noFallthroughCasesInSwitch": true,
+        "composite": true,
+    },
+}`,
+			"/user/username/projects/demo/tsconfig.json": `{
+    "files": [],
+    "references": [
+        {
+            "path": "./core"
+        },
+        {
+            "path": "./animals",
+        },
+        {
+            "path": "./zoo",
+        },
+        {
+            "path": "./a",
+        },
+        {
+            "path": "./b",
+        },
+    ],
+}`,
+			"/user/username/projects/demo/zoo/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/zoo",
+        "rootDir": "."
+    },
+    "references": [
+        {
+            "path": "../animals"
+        }
+    ]
+}`,
+			"/user/username/projects/demo/zoo/zoo.ts": `import { Dog, createDog } from '../animals/index';
+
+export function createZoo(): Array<Dog> {
+    return [
+        createDog()
+    ];
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_demo_in_master_branch_with_everything_setup_correctly_and_reports_no_error_test.go b/internal/execute/tsctests/tests/tsbuild_demo_in_master_branch_with_everything_setup_correctly_and_reports_no_error_test.go
new file mode 100644
index 00000000000..ae8b7bfa965
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_demo_in_master_branch_with_everything_setup_correctly_and_reports_no_error_test.go
@@ -0,0 +1,107 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_demo_in_master_branch_with_everything_setup_correctly_and_reports_no_error(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "demo",
+		SubScenario:     "in master branch with everything setup correctly and reports no error",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Cwd:             "/user/username/projects/demo",
+		Files: tsctests.FileMap{
+			"/user/username/projects/demo/animals/animal.ts": `export type Size = "small" | "medium" | "large";
+export default interface Animal {
+    size: Size;
+}`,
+			"/user/username/projects/demo/animals/dog.ts": "import Animal from '.';\nimport { makeRandomName } from '../core/utilities';\n\nexport interface Dog extends Animal {\n    woof(): void;\n    name: string;\n}\n\nexport function createDog(): Dog {\n    return ({\n        size: \"medium\",\n        woof: function(this: Dog) {\n            console.log(`${ this.name } says \"Woof\"!`);\n        },\n        name: makeRandomName()\n    });\n}",
+			"/user/username/projects/demo/animals/index.ts": `import Animal from './animal';
+
+export default Animal;
+import { createDog, Dog } from './dog';
+export { createDog, Dog };`,
+			"/user/username/projects/demo/animals/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/animals",
+        "rootDir": "."
+    },
+    "references": [
+        { "path": "../core" }
+    ]
+}`,
+			"/user/username/projects/demo/core/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/core",
+        "rootDir": "."
+    },
+}`,
+			"/user/username/projects/demo/core/utilities.ts": `export function makeRandomName() {
+    return "Bob!?! ";
+}
+
+export function lastElementOf<T>(arr: T[]): T | undefined {
+    if (arr.length === 0) return undefined;
+    return arr[arr.length - 1];
+}`,
+			"/user/username/projects/demo/tsconfig-base.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "target": "es5",
+        "module": "commonjs",
+        "strict": true,
+        "noUnusedLocals": true,
+        "noUnusedParameters": true,
+        "noImplicitReturns": true,
+        "noFallthroughCasesInSwitch": true,
+        "composite": true,
+    },
+}`,
+			"/user/username/projects/demo/tsconfig.json": `{
+    "files": [],
+    "references": [
+        {
+            "path": "./core"
+        },
+        {
+            "path": "./animals",
+        },
+        {
+            "path": "./zoo",
+        },
+    ],
+}`,
+			"/user/username/projects/demo/zoo/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "outDir": "../lib/zoo",
+        "rootDir": "."
+    },
+    "references": [
+        {
+            "path": "../animals"
+        }
+    ]
+}`,
+			"/user/username/projects/demo/zoo/zoo.ts": `import { Dog, createDog } from '../animals/index';
+
+export function createZoo(): Array<Dog> {
+    return [
+        createDog()
+    ];
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_emitDeclarationOnly_only_dts_output_in_circular_import_project_with_emitDeclarationOnly_and_declarationMap_test.go b/internal/execute/tsctests/tests/tsbuild_emitDeclarationOnly_only_dts_output_in_circular_import_project_with_emitDeclarationOnly_and_declarationMap_test.go
new file mode 100644
index 00000000000..237c190317b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_emitDeclarationOnly_only_dts_output_in_circular_import_project_with_emitDeclarationOnly_and_declarationMap_test.go
@@ -0,0 +1,67 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_emitDeclarationOnly_only_dts_output_in_circular_import_project_with_emitDeclarationOnly_and_declarationMap(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "emitDeclarationOnly",
+		SubScenario:     "only dts output in circular import project with emitDeclarationOnly and declarationMap",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/a.ts": `import { B } from "./b";
+
+export interface A {
+    b: B;
+}`,
+			"/home/src/workspaces/project/src/b.ts": `import { C } from "./c";
+
+export interface B {
+    b: C;
+}`,
+			"/home/src/workspaces/project/src/c.ts": `import { A } from "./a";
+
+export interface C {
+    a: A;
+}`,
+			"/home/src/workspaces/project/src/index.ts": `export { A } from "./a";
+export { B } from "./b";
+export { C } from "./c";`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "target": "es5",
+        "module": "commonjs",
+        "declaration": true,
+        "declarationMap": true,
+        "sourceMap": true,
+        "outDir": "./lib",
+        "composite": true,
+        "strict": true,
+        "esModuleInterop": true,
+        "alwaysStrict": true,
+        "rootDir": "src",
+        "emitDeclarationOnly": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/a.ts", `import { B } from "./b";
+
+export interface A {
+    b: B; foo: any;
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_emitDeclarationOnly_only_dts_output_in_circular_import_project_with_emitDeclarationOnly_test.go b/internal/execute/tsctests/tests/tsbuild_emitDeclarationOnly_only_dts_output_in_circular_import_project_with_emitDeclarationOnly_test.go
new file mode 100644
index 00000000000..3dad9c4f8cb
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_emitDeclarationOnly_only_dts_output_in_circular_import_project_with_emitDeclarationOnly_test.go
@@ -0,0 +1,67 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_emitDeclarationOnly_only_dts_output_in_circular_import_project_with_emitDeclarationOnly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "emitDeclarationOnly",
+		SubScenario:     "only dts output in circular import project with emitDeclarationOnly",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/a.ts": `import { B } from "./b";
+
+export interface A {
+    b: B;
+}`,
+			"/home/src/workspaces/project/src/b.ts": `import { C } from "./c";
+
+export interface B {
+    b: C;
+}`,
+			"/home/src/workspaces/project/src/c.ts": `import { A } from "./a";
+
+export interface C {
+    a: A;
+}`,
+			"/home/src/workspaces/project/src/index.ts": `export { A } from "./a";
+export { B } from "./b";
+export { C } from "./c";`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "target": "es5",
+        "module": "commonjs",
+        "declaration": true,
+        "declarationMap": false,
+        "sourceMap": true,
+        "outDir": "./lib",
+        "composite": true,
+        "strict": true,
+        "esModuleInterop": true,
+        "alwaysStrict": true,
+        "rootDir": "src",
+        "emitDeclarationOnly": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/a.ts", `import { B } from "./b";
+
+export interface A {
+    b: B; foo: any;
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_emitDeclarationOnly_only_dts_output_in_non_circular_imports_project_with_emitDeclarationOnly_test.go b/internal/execute/tsctests/tests/tsbuild_emitDeclarationOnly_only_dts_output_in_non_circular_imports_project_with_emitDeclarationOnly_test.go
new file mode 100644
index 00000000000..5d5cac27cbe
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_emitDeclarationOnly_only_dts_output_in_non_circular_imports_project_with_emitDeclarationOnly_test.go
@@ -0,0 +1,77 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_emitDeclarationOnly_only_dts_output_in_non_circular_imports_project_with_emitDeclarationOnly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "emitDeclarationOnly",
+		SubScenario:     "only dts output in non circular imports project with emitDeclarationOnly",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/a.ts": `export class B { prop = "hello"; }
+
+export interface A {
+    b: B;
+}`,
+			"/home/src/workspaces/project/src/b.ts": `import { C } from "./c";
+
+export interface B {
+    b: C;
+}`,
+			"/home/src/workspaces/project/src/c.ts": `import { A } from "./a";
+
+export interface C {
+    a: A;
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "target": "es5",
+        "module": "commonjs",
+        "declaration": true,
+        "declarationMap": true,
+        "sourceMap": true,
+        "outDir": "./lib",
+        "composite": true,
+        "strict": true,
+        "esModuleInterop": true,
+        "alwaysStrict": true,
+        "rootDir": "src",
+        "emitDeclarationOnly": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-doesnt-change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/a.ts", `export class B { prop = "hello"; }
+
+class C { }
+export interface A {
+    b: B;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/a.ts", `export class B { prop = "hello"; }
+
+class C { }
+export interface A {
+    b: B; foo: any;
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_extends_configDir_template_test.go b/internal/execute/tsctests/tests/tsbuild_extends_configDir_template_test.go
new file mode 100644
index 00000000000..b4de0d49896
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_extends_configDir_template_test.go
@@ -0,0 +1,54 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_extends_configDir_template(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "extends",
+		SubScenario:     "configDir template",
+		CommandLineArgs: []string{"--b", "--explainFiles", "--v"},
+		Cwd:             "/home/src/projects/myproject",
+		Files: tsctests.FileMap{
+			"/home/src/projects/configs/first/tsconfig.json": `{
+    "extends": "../second/tsconfig.json",
+    "include": ["${configDir}/src"],
+    "compilerOptions": {
+        "typeRoots": ["root1", "${configDir}/root2", "root3"],
+        "types": [],
+    },
+}`,
+			"/home/src/projects/configs/second/tsconfig.json": `{
+    "files": ["${configDir}/main.ts"],
+    "compilerOptions": {
+        "declarationDir": "${configDir}/decls",
+        "paths": {
+            "@myscope/*": ["${configDir}/types/*"],
+        },
+    },
+    "watchOptions": {
+        "excludeFiles": ["${configDir}/main.ts"],
+    },
+}`,
+			"/home/src/projects/myproject/main.ts": `// some comment
+export const y = 10;
+import { x } from "@myscope/sometype";`,
+			"/home/src/projects/myproject/tsconfig.json": `{
+    "extends": "../configs/first/tsconfig.json",
+    "compilerOptions": {
+        "declaration": true,
+        "outDir": "outDir",
+        "traceResolution": true,
+    },
+}`,
+			"/home/src/projects/myproject/types/sometype.ts": "export const x = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_extends_resolves_the_symlink_path_test.go b/internal/execute/tsctests/tests/tsbuild_extends_resolves_the_symlink_path_test.go
new file mode 100644
index 00000000000..a19a943bf8a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_extends_resolves_the_symlink_path_test.go
@@ -0,0 +1,38 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsbuild_extends_resolves_the_symlink_path(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "extends",
+		SubScenario:     "resolves the symlink path",
+		CommandLineArgs: []string{"-b", "src", "--extendedDiagnostics"},
+		Cwd:             "/users/user/projects/myproject",
+		Files: tsctests.FileMap{
+			"/users/user/projects/myconfigs/node_modules/@something/tsconfig-base/tsconfig.json": `{
+    "compilerOptions": { "composite": true }
+}`,
+			"/users/user/projects/myconfigs/node_modules/@something/tsconfig-node/tsconfig.json": `{
+    "extends": "@something/tsconfig-base/tsconfig.json",
+    "compilerOptions": {
+        "removeComments": true
+    }
+}`,
+			"/users/user/projects/myproject/node_modules/@something/tsconfig-node": vfstest.Symlink("/users/user/projects/myconfigs/node_modules/@something/tsconfig-node"),
+			"/users/user/projects/myproject/src/index.ts": `// some comment
+export const x = 10;`,
+			"/users/user/projects/myproject/src/tsconfig.json": `{
+    "extends": "@something/tsconfig-node/tsconfig.json"
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_extends_when_building_project_uses_reference_and_both_extend_config_with_include_test.go b/internal/execute/tsctests/tests/tsbuild_extends_when_building_project_uses_reference_and_both_extend_config_with_include_test.go
new file mode 100644
index 00000000000..f52a222a706
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_extends_when_building_project_uses_reference_and_both_extend_config_with_include_test.go
@@ -0,0 +1,54 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_extends_when_building_project_uses_reference_and_both_extend_config_with_include(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "extends",
+		SubScenario:     "when building project uses reference and both extend config with include",
+		CommandLineArgs: []string{"--b", "webpack/tsconfig.json", "--v", "--listFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/shared/index.ts": "export const a: Unrestricted = 1;",
+			"/home/src/workspaces/solution/shared/tsconfig-base.json": `{
+    "include": ["./typings-base/"],
+}`,
+			"/home/src/workspaces/solution/shared/tsconfig.json": `{
+    "extends": "./tsconfig-base.json",
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "../target-tsc-build/",
+        "rootDir": "..",
+    },
+    "files": ["./index.ts"],
+}`,
+			"/home/src/workspaces/solution/shared/typings-base/globals.d.ts": "type Unrestricted = any;",
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "references": [
+        { "path": "./shared/tsconfig.json" },
+        { "path": "./webpack/tsconfig.json" },
+    ],
+    "files": [],
+}`,
+			"/home/src/workspaces/solution/webpack/index.ts": "export const b: Unrestricted = 1;",
+			"/home/src/workspaces/solution/webpack/tsconfig.json": `{
+    "extends": "../shared/tsconfig-base.json",
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "../target-tsc-build/",
+        "rootDir": "..",
+    },
+    "files": ["./index.ts"],
+    "references": [{ "path": "../shared/tsconfig.json" }],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_extends_when_building_solution_with_projects_extends_config_with_include_test.go b/internal/execute/tsctests/tests/tsbuild_extends_when_building_solution_with_projects_extends_config_with_include_test.go
new file mode 100644
index 00000000000..cff50036031
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_extends_when_building_solution_with_projects_extends_config_with_include_test.go
@@ -0,0 +1,54 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_extends_when_building_solution_with_projects_extends_config_with_include(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "extends",
+		SubScenario:     "when building solution with projects extends config with include",
+		CommandLineArgs: []string{"--b", "--v", "--listFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/shared/index.ts": "export const a: Unrestricted = 1;",
+			"/home/src/workspaces/solution/shared/tsconfig-base.json": `{
+    "include": ["./typings-base/"],
+}`,
+			"/home/src/workspaces/solution/shared/tsconfig.json": `{
+    "extends": "./tsconfig-base.json",
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "../target-tsc-build/",
+        "rootDir": "..",
+    },
+    "files": ["./index.ts"],
+}`,
+			"/home/src/workspaces/solution/shared/typings-base/globals.d.ts": "type Unrestricted = any;",
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "references": [
+        { "path": "./shared/tsconfig.json" },
+        { "path": "./webpack/tsconfig.json" },
+    ],
+    "files": [],
+}`,
+			"/home/src/workspaces/solution/webpack/index.ts": "export const b: Unrestricted = 1;",
+			"/home/src/workspaces/solution/webpack/tsconfig.json": `{
+    "extends": "../shared/tsconfig-base.json",
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "../target-tsc-build/",
+        "rootDir": "..",
+    },
+    "files": ["./index.ts"],
+    "references": [{ "path": "../shared/tsconfig.json" }],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_fileDelete_deleted_file_without_composite_test.go b/internal/execute/tsctests/tests/tsbuild_fileDelete_deleted_file_without_composite_test.go
new file mode 100644
index 00000000000..fcf2d3368a3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_fileDelete_deleted_file_without_composite_test.go
@@ -0,0 +1,39 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_fileDelete_deleted_file_without_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "fileDelete",
+		SubScenario:     "deleted file without composite",
+		CommandLineArgs: []string{"--b", "child/tsconfig.json", "-v", "--traceResolution", "--explainFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/child/child.ts": `import { child2 } from "../child/child2";
+export function child() {
+    child2();
+}`,
+			"/home/src/workspaces/solution/child/child2.ts": `export function child2() {
+}`,
+			"/home/src/workspaces/solution/child/tsconfig.json": `{
+    "compilerOptions": { }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete child2 file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/solution/child/child2.js")
+			sys.Remove("/home/src/workspaces/solution/child/child2.ts")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_fileDelete_detects_deleted_file_test.go b/internal/execute/tsctests/tests/tsbuild_fileDelete_detects_deleted_file_test.go
new file mode 100644
index 00000000000..4b46471b771
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_fileDelete_detects_deleted_file_test.go
@@ -0,0 +1,48 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_fileDelete_detects_deleted_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "fileDelete",
+		SubScenario:     "detects deleted file",
+		CommandLineArgs: []string{"--b", "main/tsconfig.json", "-v", "--traceResolution", "--explainFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/child/child.ts": `import { child2 } from "../child/child2";
+export function child() {
+    child2();
+}`,
+			"/home/src/workspaces/solution/child/child2.ts": `export function child2() {
+}`,
+			"/home/src/workspaces/solution/child/tsconfig.json": `{
+    "compilerOptions": { "composite": true }
+}`,
+			"/home/src/workspaces/solution/main/main.ts": `import { child } from "../child/child";
+export function main() {
+    child();
+}`,
+			"/home/src/workspaces/solution/main/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../child" }],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete child2 file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/solution/child/child2.d.ts")
+			sys.Remove("/home/src/workspaces/solution/child/child2.js")
+			sys.Remove("/home/src/workspaces/solution/child/child2.ts")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_inferredTypeFromMonorepoReference_inferred_type_from_referenced_project_that_references_another_project_in_monorepo_test.go b/internal/execute/tsctests/tests/tsbuild_inferredTypeFromMonorepoReference_inferred_type_from_referenced_project_that_references_another_project_in_monorepo_test.go
new file mode 100644
index 00000000000..3133c8d45ff
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_inferredTypeFromMonorepoReference_inferred_type_from_referenced_project_that_references_another_project_in_monorepo_test.go
@@ -0,0 +1,137 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsbuild_inferredTypeFromMonorepoReference_inferred_type_from_referenced_project_that_references_another_project_in_monorepo(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "inferredTypeFromMonorepoReference",
+		SubScenario:     "inferred type from referenced project that references another project in monorepo",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/node_modules/package-a": vfstest.Symlink("/home/src/workspaces/solution/packages/package-a"),
+			"/home/src/workspaces/solution/node_modules/package-b": vfstest.Symlink("/home/src/workspaces/solution/packages/package-b"),
+			"/home/src/workspaces/solution/node_modules/package-c": vfstest.Symlink("/home/src/workspaces/solution/packages/package-c"),
+			"/home/src/workspaces/solution/package.json": `{
+    "name": "tsgo-monorepo-issue",
+    "private": true,
+    "workspaces": ["packages/*"]
+}`,
+			"/home/src/workspaces/solution/packages/package-a/package.json": `{
+    "name": "package-a",
+    "version": "1.0.0",
+    "private": true,
+    "type": "module",
+    "main": "./src/index.ts",
+    "types": "./src/index.ts",
+    "exports": {
+        ".": "./src/index.ts"
+    },
+    "dependencies": {
+        "package-b": "workspace:*"
+    }
+}`,
+			"/home/src/workspaces/solution/packages/package-a/src/index.ts": `import { createThing } from "package-b";
+
+class MyClass {
+    public thing = createThing({ id: "1", name: "test", enabled: true });
+}
+
+export { MyClass };`,
+			"/home/src/workspaces/solution/packages/package-a/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "emitDeclarationOnly": true,
+        "module": "ESNext",
+        "moduleResolution": "Bundler",
+        "target": "ES2022",
+        "outDir": "./out",
+        "rootDir": "./src"
+    },
+    "include": ["src/**/*"],
+    "references": [{ "path": "../package-b" }]
+}`,
+			"/home/src/workspaces/solution/packages/package-b/package.json": `{
+    "name": "package-b",
+    "version": "1.0.0",
+    "private": true,
+    "type": "module",
+    "main": "./src/index.ts",
+    "types": "./src/index.ts",
+    "exports": {
+        ".": "./src/index.ts"
+    },
+    "dependencies": {
+        "package-c": "workspace:*"
+    }
+}`,
+			"/home/src/workspaces/solution/packages/package-b/src/index.ts": `import type { MyType } from "package-c";
+
+export function createThing(input: MyType): MyType {
+    return { ...input };
+}`,
+			"/home/src/workspaces/solution/packages/package-b/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "emitDeclarationOnly": true,
+        "module": "ESNext",
+        "moduleResolution": "Bundler",
+        "target": "ES2022",
+        "outDir": "./out",
+        "rootDir": "./src"
+    },
+    "include": ["src/**/*"],
+    "references": [{ "path": "../package-c" }]
+}`,
+			"/home/src/workspaces/solution/packages/package-c/package.json": `{
+    "name": "package-c",
+    "version": "1.0.0",
+    "private": true,
+    "type": "module",
+    "main": "./src/index.ts",
+    "types": "./src/index.ts",
+    "exports": {
+        ".": "./src/index.ts"
+    }
+}`,
+			"/home/src/workspaces/solution/packages/package-c/src/index.ts": `export interface MyType {
+    id: string;
+    name: string;
+    enabled: boolean;
+}`,
+			"/home/src/workspaces/solution/packages/package-c/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "emitDeclarationOnly": true,
+        "module": "ESNext",
+        "moduleResolution": "Bundler",
+        "target": "ES2022",
+        "outDir": "./out",
+        "rootDir": "./src"
+    },
+    "include": ["src/**/*"]
+}`,
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "files": [],
+    "include": [],
+    "references": [
+        { "path": "packages/package-a" },
+        { "path": "packages/package-b" },
+        { "path": "packages/package-c" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_inferredTypeFromTransitiveModule_inferred_type_from_transitive_module_test.go b/internal/execute/tsctests/tests/tsbuild_inferredTypeFromTransitiveModule_inferred_type_from_transitive_module_test.go
new file mode 100644
index 00000000000..e168c9fe503
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_inferredTypeFromTransitiveModule_inferred_type_from_transitive_module_test.go
@@ -0,0 +1,92 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_inferredTypeFromTransitiveModule_inferred_type_from_transitive_module(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "inferredTypeFromTransitiveModule",
+		SubScenario:     "inferred type from transitive module",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/bar.ts": `interface RawAction {
+    (...args: any[]): Promise<any> | void;
+}
+interface ActionFactory {
+    <T extends RawAction>(target: T): T;
+}
+declare function foo<U extends any[] = any[]>(): ActionFactory;
+export default foo()(function foobar(param: string): void {
+});`,
+			"/home/src/workspaces/project/bundling.ts": `export class LazyModule<TModule> {
+    constructor(private importCallback: () => Promise<TModule>) {}
+}
+
+export class LazyAction<
+    TAction extends (...args: any[]) => any,
+    TModule
+>  {
+    constructor(_lazyModule: LazyModule<TModule>, _getter: (module: TModule) => TAction) {
+    }
+}`,
+			"/home/src/workspaces/project/global.d.ts": `interface PromiseConstructor {
+    new <T>(): Promise<T>;
+}
+declare var Promise: PromiseConstructor;
+interface Promise<T> {
+}`,
+			"/home/src/workspaces/project/index.ts": `import { LazyAction, LazyModule } from './bundling';
+const lazyModule = new LazyModule(() =>
+    import('./lazyIndex')
+);
+export const lazyBar = new LazyAction(lazyModule, m => m.bar);`,
+			"/home/src/workspaces/project/lazyIndex.ts": "export { default as bar } from './bar';",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es5",
+        "declaration": true,
+        "outDir": "obj",
+        "incremental": true,
+        "isolatedModules": false,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/bar.ts", `interface RawAction {
+    (...args: any[]): Promise<any> | void;
+}
+interface ActionFactory {
+    <T extends RawAction>(target: T): T;
+}
+declare function foo<U extends any[] = any[]>(): ActionFactory;
+export default foo()(function foobar(): void {
+});`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/bar.ts", `interface RawAction {
+    (...args: any[]): Promise<any> | void;
+}
+interface ActionFactory {
+    <T extends RawAction>(target: T): T;
+}
+declare function foo<U extends any[] = any[]>(): ActionFactory;
+export default foo()(function foobar(param: string): void {
+});`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_inferredTypeFromTransitiveModule_inferred_type_from_transitive_module_with_isolatedModules_test.go b/internal/execute/tsctests/tests/tsbuild_inferredTypeFromTransitiveModule_inferred_type_from_transitive_module_with_isolatedModules_test.go
new file mode 100644
index 00000000000..700d40c158c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_inferredTypeFromTransitiveModule_inferred_type_from_transitive_module_with_isolatedModules_test.go
@@ -0,0 +1,92 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_inferredTypeFromTransitiveModule_inferred_type_from_transitive_module_with_isolatedModules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "inferredTypeFromTransitiveModule",
+		SubScenario:     "inferred type from transitive module with isolatedModules",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/bar.ts": `interface RawAction {
+    (...args: any[]): Promise<any> | void;
+}
+interface ActionFactory {
+    <T extends RawAction>(target: T): T;
+}
+declare function foo<U extends any[] = any[]>(): ActionFactory;
+export default foo()(function foobar(param: string): void {
+});`,
+			"/home/src/workspaces/project/bundling.ts": `export class LazyModule<TModule> {
+    constructor(private importCallback: () => Promise<TModule>) {}
+}
+
+export class LazyAction<
+    TAction extends (...args: any[]) => any,
+    TModule
+>  {
+    constructor(_lazyModule: LazyModule<TModule>, _getter: (module: TModule) => TAction) {
+    }
+}`,
+			"/home/src/workspaces/project/global.d.ts": `interface PromiseConstructor {
+    new <T>(): Promise<T>;
+}
+declare var Promise: PromiseConstructor;
+interface Promise<T> {
+}`,
+			"/home/src/workspaces/project/index.ts": `import { LazyAction, LazyModule } from './bundling';
+const lazyModule = new LazyModule(() =>
+    import('./lazyIndex')
+);
+export const lazyBar = new LazyAction(lazyModule, m => m.bar);`,
+			"/home/src/workspaces/project/lazyIndex.ts": "export { default as bar } from './bar';",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es5",
+        "declaration": true,
+        "outDir": "obj",
+        "incremental": true,
+        "isolatedModules": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/bar.ts", `interface RawAction {
+    (...args: any[]): Promise<any> | void;
+}
+interface ActionFactory {
+    <T extends RawAction>(target: T): T;
+}
+declare function foo<U extends any[] = any[]>(): ActionFactory;
+export default foo()(function foobar(): void {
+});`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/bar.ts", `interface RawAction {
+    (...args: any[]): Promise<any> | void;
+}
+interface ActionFactory {
+    <T extends RawAction>(target: T): T;
+}
+declare function foo<U extends any[] = any[]>(): ActionFactory;
+export default foo()(function foobar(param: string): void {
+});`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_inferredTypeFromTransitiveModule_reports_errors_in_files_affected_by_change_in_signature_with_isolatedModules_test.go b/internal/execute/tsctests/tests/tsbuild_inferredTypeFromTransitiveModule_reports_errors_in_files_affected_by_change_in_signature_with_isolatedModules_test.go
new file mode 100644
index 00000000000..fdfd12f3be7
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_inferredTypeFromTransitiveModule_reports_errors_in_files_affected_by_change_in_signature_with_isolatedModules_test.go
@@ -0,0 +1,116 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_inferredTypeFromTransitiveModule_reports_errors_in_files_affected_by_change_in_signature_with_isolatedModules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "inferredTypeFromTransitiveModule",
+		SubScenario:     "reports errors in files affected by change in signature with isolatedModules",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/bar.ts": `interface RawAction {
+    (...args: any[]): Promise<any> | void;
+}
+interface ActionFactory {
+    <T extends RawAction>(target: T): T;
+}
+declare function foo<U extends any[] = any[]>(): ActionFactory;
+export default foo()(function foobar(param: string): void {
+});`,
+			"/home/src/workspaces/project/bundling.ts": `export class LazyModule<TModule> {
+    constructor(private importCallback: () => Promise<TModule>) {}
+}
+
+export class LazyAction<
+    TAction extends (...args: any[]) => any,
+    TModule
+>  {
+    constructor(_lazyModule: LazyModule<TModule>, _getter: (module: TModule) => TAction) {
+    }
+}`,
+			"/home/src/workspaces/project/global.d.ts": `interface PromiseConstructor {
+    new <T>(): Promise<T>;
+}
+declare var Promise: PromiseConstructor;
+interface Promise<T> {
+}`,
+			"/home/src/workspaces/project/index.ts": `import { LazyAction, LazyModule } from './bundling';
+const lazyModule = new LazyModule(() =>
+    import('./lazyIndex')
+);
+export const lazyBar = new LazyAction(lazyModule, m => m.bar);`,
+			"/home/src/workspaces/project/lazyIndex.ts": `export { default as bar } from './bar';import { default as bar } from './bar';
+bar("hello");`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es5",
+        "declaration": true,
+        "outDir": "obj",
+        "incremental": true,
+        "isolatedModules": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/bar.ts", `interface RawAction {
+    (...args: any[]): Promise<any> | void;
+}
+interface ActionFactory {
+    <T extends RawAction>(target: T): T;
+}
+declare function foo<U extends any[] = any[]>(): ActionFactory;
+export default foo()(function foobar(): void {
+});`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/bar.ts", `interface RawAction {
+    (...args: any[]): Promise<any> | void;
+}
+interface ActionFactory {
+    <T extends RawAction>(target: T): T;
+}
+declare function foo<U extends any[] = any[]>(): ActionFactory;
+export default foo()(function foobar(param: string): void {
+});`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/bar.ts", `interface RawAction {
+    (...args: any[]): Promise<any> | void;
+}
+interface ActionFactory {
+    <T extends RawAction>(target: T): T;
+}
+declare function foo<U extends any[] = any[]>(): ActionFactory;
+export default foo()(function foobar(): void {
+});`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix Error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/lazyIndex.ts", `export { default as bar } from './bar';import { default as bar } from './bar';
+bar();`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_javascriptProjectEmit_loads_js_based_projects_and_emits_them_correctly_test.go b/internal/execute/tsctests/tests/tsbuild_javascriptProjectEmit_loads_js_based_projects_and_emits_them_correctly_test.go
new file mode 100644
index 00000000000..4469b1fc3a3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_javascriptProjectEmit_loads_js_based_projects_and_emits_them_correctly_test.go
@@ -0,0 +1,114 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_javascriptProjectEmit_loads_js_based_projects_and_emits_them_correctly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "javascriptProjectEmit",
+		SubScenario:     "loads js-based projects and emits them correctly",
+		CommandLineArgs: []string{"--b"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.d.ts": `/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+interface SymbolConstructor {
+    readonly species: symbol;
+    (desc?: string | number): symbol;
+    for(name: string): symbol;
+    readonly toStringTag: symbol;
+}
+declare var Symbol: SymbolConstructor;
+interface Symbol {
+    readonly [Symbol.toStringTag]: string;
+}
+declare const console: { log(msg: any): void; };`,
+			"/home/src/workspaces/solution/common/nominal.js": `/**
+ * @template T, Name
+ * @typedef {T & {[Symbol.species]: Name}} Nominal
+ */
+module.exports = {};`,
+			"/home/src/workspaces/solution/common/tsconfig.json": `{
+    "extends": "../tsconfig.base.json",
+    "compilerOptions": {
+        "composite": true,
+    },
+    "include": ["nominal.js"],
+}`,
+			"/home/src/workspaces/solution/sub-project-2/index.js": `import { MyNominal } from '../sub-project/index';
+
+const variable = {
+    key: /** @type {MyNominal} */('value'),
+};
+
+/**
+ * @return {keyof typeof variable}
+ */
+export function getVar() {
+    return 'key';
+}`,
+			"/home/src/workspaces/solution/sub-project-2/tsconfig.json": `{
+    "extends": "../tsconfig.base.json",
+    "compilerOptions": {
+        "composite": true,
+    },
+    "references": [
+        { "path": "../sub-project" },
+    ],
+    "include": ["./index.js"],
+}`,
+			"/home/src/workspaces/solution/sub-project/index.js": `import { Nominal } from '../common/nominal';
+
+/**
+ * @typedef {Nominal<string, 'MyNominal'>} MyNominal
+ */`,
+			"/home/src/workspaces/solution/sub-project/tsconfig.json": `{
+    "extends": "../tsconfig.base.json",
+    "compilerOptions": {
+        "composite": true,
+    },
+    "references": [
+        { "path": "../common" },
+    ],
+    "include": ["./index.js"],
+}`,
+			"/home/src/workspaces/solution/tsconfig.base.json": `{
+    "compilerOptions": {
+        "skipLibCheck": true,
+        "rootDir": "./",
+        "outDir": "../lib",
+        "allowJs": true,
+        "checkJs": true,
+        "declaration": true,
+    },
+}`,
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    },
+    "references": [
+        { "path": "./sub-project" },
+        { "path": "./sub-project-2" },
+    ],
+    "include": [],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_javascriptProjectEmit_loads_js_based_projects_with_non_moved_json_files_and_emits_them_correctly_test.go b/internal/execute/tsctests/tests/tsbuild_javascriptProjectEmit_loads_js_based_projects_with_non_moved_json_files_and_emits_them_correctly_test.go
new file mode 100644
index 00000000000..ed6464900ed
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_javascriptProjectEmit_loads_js_based_projects_with_non_moved_json_files_and_emits_them_correctly_test.go
@@ -0,0 +1,89 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_javascriptProjectEmit_loads_js_based_projects_with_non_moved_json_files_and_emits_them_correctly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "javascriptProjectEmit",
+		SubScenario:     "loads js-based projects with non-moved json files and emits them correctly",
+		CommandLineArgs: []string{"-b"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/common/index.ts": `import x = require("./obj.json");
+export = x;`,
+			"/home/src/workspaces/solution/common/obj.json": `{
+    "val": 42,
+}`,
+			"/home/src/workspaces/solution/common/tsconfig.json": `{
+    "extends": "../tsconfig.base.json",
+    "compilerOptions": {
+        "outDir": null,
+        "composite": true,
+    },
+    "include": ["index.ts", "obj.json"],
+}`,
+			"/home/src/workspaces/solution/sub-project-2/index.js": `import { m } from '../sub-project/index';
+
+const variable = {
+    key: m,
+};
+
+export function getVar() {
+    return variable;
+}`,
+			"/home/src/workspaces/solution/sub-project-2/tsconfig.json": `{
+    "extends": "../tsconfig.base.json",
+    "compilerOptions": {
+        "composite": true,
+    },
+    "references": [
+        { "path": "../sub-project" },
+    ],
+    "include": ["./index.js"],
+}`,
+			"/home/src/workspaces/solution/sub-project/index.js": `import mod from '../common';
+
+export const m = mod;`,
+			"/home/src/workspaces/solution/sub-project/tsconfig.json": `{
+    "extends": "../tsconfig.base.json",
+    "compilerOptions": {
+        "composite": true,
+    },
+    "references": [
+        { "path": "../common" },
+    ],
+    "include": ["./index.js"],
+}`,
+			"/home/src/workspaces/solution/tsconfig.base.json": `{
+    "compilerOptions": {
+        "skipLibCheck": true,
+        "rootDir": "./",
+        "outDir": "../out",
+        "allowJs": true,
+        "checkJs": true,
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "declaration": true,
+    },
+}`,
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    },
+    "references": [
+        { "path": "./sub-project" },
+        { "path": "./sub-project-2" },
+    ],
+    "include": [],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_lateBoundSymbol_interface_is_merged_and_contains_late_bound_member_test.go b/internal/execute/tsctests/tests/tsbuild_lateBoundSymbol_interface_is_merged_and_contains_late_bound_member_test.go
new file mode 100644
index 00000000000..d874a2cff20
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_lateBoundSymbol_interface_is_merged_and_contains_late_bound_member_test.go
@@ -0,0 +1,77 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_lateBoundSymbol_interface_is_merged_and_contains_late_bound_member(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "lateBoundSymbol",
+		SubScenario:     "interface is merged and contains late bound member",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/globals.d.ts": `interface SymbolConstructor {
+    (description?: string | number): symbol;
+}
+declare var Symbol: SymbolConstructor;`,
+			"/home/src/workspaces/project/src/hkt.ts": "export interface HKT<T> { }",
+			"/home/src/workspaces/project/src/main.ts": `import { HKT } from "./hkt";
+
+const sym = Symbol();
+
+declare module "./hkt" {
+    interface HKT<T> {
+        [sym]: { a: T }
+    }
+}
+const x = 10;
+type A = HKT<number>[typeof sym];`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "rootDir": "src",
+        "incremental": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-doesnt-change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/main.ts", `import { HKT } from "./hkt";
+
+const sym = Symbol();
+
+declare module "./hkt" {
+    interface HKT<T> {
+        [sym]: { a: T }
+    }
+}
+
+type A = HKT<number>[typeof sym];`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-doesnt-change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/main.ts", `import { HKT } from "./hkt";
+
+const sym = Symbol();
+
+declare module "./hkt" {
+    interface HKT<T> {
+        [sym]: { a: T }
+    }
+}
+
+type A = HKT<number>[typeof sym];const x = 10;`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_libraryResolution_with_config_test.go b/internal/execute/tsctests/tests/tsbuild_libraryResolution_with_config_test.go
new file mode 100644
index 00000000000..1be6da33214
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_libraryResolution_with_config_test.go
@@ -0,0 +1,73 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_libraryResolution_with_config(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "libraryResolution",
+		SubScenario:     "with config",
+		CommandLineArgs: []string{"-b", "project1", "project2", "project3", "project4", "--verbose", "--explainFiles"},
+		Cwd:             "/home/src/workspace/projects",
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.dom.d.ts":                                       "interface DOMInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.scripthost.d.ts":                                "interface ScriptHostInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.webworker.d.ts":                                 "interface WebWorkerInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/unlreated/index.d.ts": "export const unrelated = 10;",
+			"/home/src/workspace/projects/project1/core.d.ts":                            "export const core = 10;",
+			"/home/src/workspace/projects/project1/file.ts":                              "export const file = 10;",
+			"/home/src/workspace/projects/project1/file2.ts": `/// <reference lib="webworker"/>
+/// <reference lib="scripthost"/>
+/// <reference lib="es5"/>`,
+			"/home/src/workspace/projects/project1/index.ts": "export const x = \"type1\";",
+			"/home/src/workspace/projects/project1/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "typeRoots": ["./typeroot1"],
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": false
+    }
+}`,
+			"/home/src/workspace/projects/project1/typeroot1/sometype/index.d.ts": "export type TheNum = \"type1\";",
+			"/home/src/workspace/projects/project1/utils.d.ts":                    "export const y = 10;",
+			"/home/src/workspace/projects/project2/index.ts":                      "export const y = 10",
+			"/home/src/workspace/projects/project2/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": false
+    }
+}`,
+			"/home/src/workspace/projects/project2/utils.d.ts": "export const y = 10;",
+			"/home/src/workspace/projects/project3/index.ts":   "export const z = 10",
+			"/home/src/workspace/projects/project3/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": false
+    }
+}`,
+			"/home/src/workspace/projects/project3/utils.d.ts": "export const y = 10;",
+			"/home/src/workspace/projects/project4/index.ts":   "export const z = 10",
+			"/home/src/workspace/projects/project4/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["esnext", "dom", "webworker"],
+        "traceResolution": true,
+        "libReplacement": false
+    }
+}`,
+			"/home/src/workspace/projects/project4/utils.d.ts": "export const y = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_libraryResolution_with_config_with_libReplacement_test.go b/internal/execute/tsctests/tests/tsbuild_libraryResolution_with_config_with_libReplacement_test.go
new file mode 100644
index 00000000000..b2ad2645d45
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_libraryResolution_with_config_with_libReplacement_test.go
@@ -0,0 +1,120 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_libraryResolution_with_config_with_libReplacement(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "libraryResolution",
+		SubScenario:     "with config with libReplacement",
+		CommandLineArgs: []string{"-b", "project1", "project2", "project3", "project4", "--verbose", "--explainFiles"},
+		Cwd:             "/home/src/workspace/projects",
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.dom.d.ts":                                     "interface DOMInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.scripthost.d.ts":                              "interface ScriptHostInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.webworker.d.ts":                               "interface WebWorkerInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/lib-dom/index.d.ts": "interface DOMInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/lib-es5/index.d.ts": `/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+interface SymbolConstructor {
+    (desc?: string | number): symbol;
+    for(name: string): symbol;
+    readonly toStringTag: symbol;
+}
+declare var Symbol: SymbolConstructor;
+interface Symbol {
+    readonly [Symbol.toStringTag]: string;
+}
+declare const console: { log(msg: any): void; };`,
+			"/home/src/workspace/projects/node_modules/@typescript/lib-esnext/index.d.ts": `/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+interface SymbolConstructor {
+    (desc?: string | number): symbol;
+    for(name: string): symbol;
+    readonly toStringTag: symbol;
+}
+declare var Symbol: SymbolConstructor;
+interface Symbol {
+    readonly [Symbol.toStringTag]: string;
+}
+declare const console: { log(msg: any): void; };`,
+			"/home/src/workspace/projects/node_modules/@typescript/lib-scripthost/index.d.ts": "interface ScriptHostInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/lib-webworker/index.d.ts":  "interface WebWorkerInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/unlreated/index.d.ts":      "export const unrelated = 10;",
+			"/home/src/workspace/projects/project1/core.d.ts":                                 "export const core = 10;",
+			"/home/src/workspace/projects/project1/file.ts":                                   "export const file = 10;",
+			"/home/src/workspace/projects/project1/file2.ts": `/// <reference lib="webworker"/>
+/// <reference lib="scripthost"/>
+/// <reference lib="es5"/>`,
+			"/home/src/workspace/projects/project1/index.ts": "export const x = \"type1\";",
+			"/home/src/workspace/projects/project1/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "typeRoots": ["./typeroot1"],
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project1/typeroot1/sometype/index.d.ts": "export type TheNum = \"type1\";",
+			"/home/src/workspace/projects/project1/utils.d.ts":                    "export const y = 10;",
+			"/home/src/workspace/projects/project2/index.ts":                      "export const y = 10",
+			"/home/src/workspace/projects/project2/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project2/utils.d.ts": "export const y = 10;",
+			"/home/src/workspace/projects/project3/index.ts":   "export const z = 10",
+			"/home/src/workspace/projects/project3/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project3/utils.d.ts": "export const y = 10;",
+			"/home/src/workspace/projects/project4/index.ts":   "export const z = 10",
+			"/home/src/workspace/projects/project4/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["esnext", "dom", "webworker"],
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project4/utils.d.ts": "export const y = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_moduleResolution_impliedNodeFormat_differs_between_projects_for_shared_file_test.go b/internal/execute/tsctests/tests/tsbuild_moduleResolution_impliedNodeFormat_differs_between_projects_for_shared_file_test.go
new file mode 100644
index 00000000000..3294630fd7d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_moduleResolution_impliedNodeFormat_differs_between_projects_for_shared_file_test.go
@@ -0,0 +1,48 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_moduleResolution_impliedNodeFormat_differs_between_projects_for_shared_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleResolution",
+		SubScenario:     "impliedNodeFormat differs between projects for shared file",
+		CommandLineArgs: []string{"-b", "a", "b", "--verbose", "--traceResolution", "--explainFiles"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a/src/index.ts": "",
+			"/home/src/workspaces/project/a/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true
+    }
+}`,
+			"/home/src/workspaces/project/b/package.json": `{
+    "name": "b",
+    "type": "module"
+}`,
+			"/home/src/workspaces/project/b/src/index.ts": `import pg from "pg";
+pg.foo();`,
+			"/home/src/workspaces/project/b/tsconfig.json": `{
+    "compilerOptions": { 
+        "strict": true,
+        "module": "node16"
+    },
+}`,
+			"/home/src/workspaces/project/node_modules/@types/pg/index.d.ts": "export function foo(): void;",
+			"/home/src/workspaces/project/node_modules/@types/pg/package.json": `{
+    "name": "@types/pg",
+    "types": "index.d.ts"
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_moduleResolution_resolution_from_d_ts_of_referenced_project_test.go b/internal/execute/tsctests/tests/tsbuild_moduleResolution_resolution_from_d_ts_of_referenced_project_test.go
new file mode 100644
index 00000000000..0308b10ed5e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_moduleResolution_resolution_from_d_ts_of_referenced_project_test.go
@@ -0,0 +1,64 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_moduleResolution_resolution_from_d_ts_of_referenced_project(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleResolution",
+		SubScenario:     "resolution from d.ts of referenced project",
+		CommandLineArgs: []string{"--b", "consumer", "--traceResolution", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/common.d.ts": "export type OnValue = (value: number) => void",
+			"/home/src/workspaces/project/consumer/index.ts": `import { ValueProducerDeclaration, ValueProducerFromTs } from "@producer"
+declare let v: ValueProducerDeclaration;
+// n is implicitly any because onValue is actually any (despite what the tooltip says)
+v.onValue = (n) => {
+}
+// n is implicitly number as expected
+declare let v2: ValueProducerFromTs;
+v2.onValue = (n) => {
+}`,
+			"/home/src/workspaces/project/consumer/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+        "module": "nodenext",
+        "moduleResolution": "nodenext",
+        "paths": {
+            "@producer": ["../producer/index"],
+        },
+    },
+    "references": [
+        { "path": "../producer" },
+    ],
+}`,
+			"/home/src/workspaces/project/producer/in-js.d.ts": `import { OnValue } from "@common"
+export interface ValueProducerDeclaration {
+    onValue: OnValue;
+}`,
+			"/home/src/workspaces/project/producer/index.ts": `export { ValueProducerDeclaration } from "./in-js"
+import { OnValue } from "@common"
+export interface ValueProducerFromTs {
+    onValue: OnValue;
+}`,
+			"/home/src/workspaces/project/producer/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+        "composite": true,
+        "module": "nodenext",
+        "moduleResolution": "nodenext",
+        "paths": {
+            "@common": ["../common.d.ts"],
+        },
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_moduleResolution_resolves_specifier_in_output_declaration_file_from_referenced_project_correctly_test.go b/internal/execute/tsctests/tests/tsbuild_moduleResolution_resolves_specifier_in_output_declaration_file_from_referenced_project_correctly_test.go
new file mode 100644
index 00000000000..a789e9de63d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_moduleResolution_resolves_specifier_in_output_declaration_file_from_referenced_project_correctly_test.go
@@ -0,0 +1,50 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsbuild_moduleResolution_resolves_specifier_in_output_declaration_file_from_referenced_project_correctly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleResolution",
+		SubScenario:     "resolves specifier in output declaration file from referenced project correctly",
+		CommandLineArgs: []string{"-b", "packages/pkg1", "--verbose", "--traceResolution"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/node_modules/pkg2": vfstest.Symlink("/user/username/projects/myproject/packages/pkg2"),
+			"/user/username/projects/myproject/packages/pkg1/index.ts": `import type { TheNum } from 'pkg2'
+export const theNum: TheNum = 42;`,
+			"/user/username/projects/myproject/packages/pkg1/tsconfig.json": `{
+    "compilerOptions": { 
+        "outDir": "build",
+        "preserveSymlinks": false
+    },
+    "references": [{ "path": "../pkg2" }]
+}`,
+			"/user/username/projects/myproject/packages/pkg2/const.ts": "export type TheNum = 42;",
+			"/user/username/projects/myproject/packages/pkg2/index.ts": "export type { TheNum } from 'const';",
+			"/user/username/projects/myproject/packages/pkg2/package.json": `{
+    "name": "pkg2",
+    "version": "1.0.0",
+    "main": "build/index.js"
+}`,
+			"/user/username/projects/myproject/packages/pkg2/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "build",
+        "paths": {
+            "const": ["./const"]
+        },
+        "preserveSymlinks": false,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_moduleResolution_resolves_specifier_in_output_declaration_file_from_referenced_project_correctly_with_preserveSymlinks_test.go b/internal/execute/tsctests/tests/tsbuild_moduleResolution_resolves_specifier_in_output_declaration_file_from_referenced_project_correctly_with_preserveSymlinks_test.go
new file mode 100644
index 00000000000..eadf705880e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_moduleResolution_resolves_specifier_in_output_declaration_file_from_referenced_project_correctly_with_preserveSymlinks_test.go
@@ -0,0 +1,50 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsbuild_moduleResolution_resolves_specifier_in_output_declaration_file_from_referenced_project_correctly_with_preserveSymlinks(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleResolution",
+		SubScenario:     "resolves specifier in output declaration file from referenced project correctly with preserveSymlinks",
+		CommandLineArgs: []string{"-b", "packages/pkg1", "--verbose", "--traceResolution"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/node_modules/pkg2": vfstest.Symlink("/user/username/projects/myproject/packages/pkg2"),
+			"/user/username/projects/myproject/packages/pkg1/index.ts": `import type { TheNum } from 'pkg2'
+export const theNum: TheNum = 42;`,
+			"/user/username/projects/myproject/packages/pkg1/tsconfig.json": `{
+    "compilerOptions": { 
+        "outDir": "build",
+        "preserveSymlinks": true
+    },
+    "references": [{ "path": "../pkg2" }]
+}`,
+			"/user/username/projects/myproject/packages/pkg2/const.ts": "export type TheNum = 42;",
+			"/user/username/projects/myproject/packages/pkg2/index.ts": "export type { TheNum } from 'const';",
+			"/user/username/projects/myproject/packages/pkg2/package.json": `{
+    "name": "pkg2",
+    "version": "1.0.0",
+    "main": "build/index.js"
+}`,
+			"/user/username/projects/myproject/packages/pkg2/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "build",
+        "paths": {
+            "const": ["./const"]
+        },
+        "preserveSymlinks": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_moduleResolution_shared_resolution_should_not_report_error_test.go b/internal/execute/tsctests/tests/tsbuild_moduleResolution_shared_resolution_should_not_report_error_test.go
new file mode 100644
index 00000000000..d69d658af88
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_moduleResolution_shared_resolution_should_not_report_error_test.go
@@ -0,0 +1,61 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsbuild_moduleResolution_shared_resolution_should_not_report_error(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleResolution",
+		SubScenario:     "shared resolution should not report error",
+		CommandLineArgs: []string{"-b", "packages/b", "--verbose", "--traceResolution", "--explainFiles"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/node_modules/a":      vfstest.Symlink("/home/src/workspaces/project/packages/a"),
+			"/home/src/workspaces/project/packages/a/index.js": "export const a = 'a';",
+			"/home/src/workspaces/project/packages/a/package.json": `{
+    "name": "a",
+    "version": "0.0.0",
+    "type": "module",
+    "exports": {
+        ".": {
+            "types": "./types/index.d.ts",
+            "default": "./index.js"
+        }
+    }
+}`,
+			"/home/src/workspaces/project/packages/a/test/index.js": "import 'a';",
+			"/home/src/workspaces/project/packages/a/tsconfig.json": `{
+    "compilerOptions": {
+        "checkJs": true,
+        "composite": true,
+        "declaration": true,
+        "emitDeclarationOnly": true,
+        "module": "nodenext",
+        "outDir": "types",
+    },
+}`,
+			"/home/src/workspaces/project/packages/b/index.js": "export { a } from 'a';",
+			"/home/src/workspaces/project/packages/b/package.json": `{
+    "name": "b",
+    "version": "0.0.0",
+    "type": "module"
+}`,
+			"/home/src/workspaces/project/packages/b/tsconfig.json": `{
+"references": [{ "path": "../a" }],
+    "compilerOptions": {
+        "checkJs": true,
+        "module": "nodenext",
+        "noEmit": true,
+        "noImplicitAny": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_moduleResolution_type_reference_resolution_uses_correct_options_for_different_resolution_options_referenced_project_test.go b/internal/execute/tsctests/tests/tsbuild_moduleResolution_type_reference_resolution_uses_correct_options_for_different_resolution_options_referenced_project_test.go
new file mode 100644
index 00000000000..e33c6f9a8c5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_moduleResolution_type_reference_resolution_uses_correct_options_for_different_resolution_options_referenced_project_test.go
@@ -0,0 +1,39 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_moduleResolution_type_reference_resolution_uses_correct_options_for_different_resolution_options_referenced_project(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleResolution",
+		SubScenario:     "type reference resolution uses correct options for different resolution options referenced project",
+		CommandLineArgs: []string{"-b", "packages/pkg1.tsconfig.json", "packages/pkg2.tsconfig.json", "--verbose", "--traceResolution"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/packages/pkg1.tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "typeRoots": ["./typeroot1"]
+    },
+    "files": ["./pkg1_index.ts"],
+}`,
+			"/home/src/workspaces/project/packages/pkg1_index.ts": "export const theNum: TheNum = \"type1\";",
+			"/home/src/workspaces/project/packages/pkg2.tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "typeRoots": ["./typeroot2"]
+    },
+    "files": ["./pkg2_index.ts"],
+}`,
+			"/home/src/workspaces/project/packages/pkg2_index.ts":                 "export const theNum: TheNum2 = \"type2\";",
+			"/home/src/workspaces/project/packages/typeroot1/sometype/index.d.ts": "declare type TheNum = \"type1\";",
+			"/home/src/workspaces/project/packages/typeroot2/sometype/index.d.ts": "declare type TheNum2 = \"type2\";",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_moduleResolution_when_resolution_is_not_shared_test.go b/internal/execute/tsctests/tests/tsbuild_moduleResolution_when_resolution_is_not_shared_test.go
new file mode 100644
index 00000000000..2ad86a11fc5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_moduleResolution_when_resolution_is_not_shared_test.go
@@ -0,0 +1,66 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsbuild_moduleResolution_when_resolution_is_not_shared(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleResolution",
+		SubScenario:     "when resolution is not shared",
+		CommandLineArgs: []string{"-b", "packages/a", "--verbose", "--traceResolution", "--explainFiles"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/node_modules/a":      vfstest.Symlink("/home/src/workspaces/project/packages/a"),
+			"/home/src/workspaces/project/packages/a/index.js": "export const a = 'a';",
+			"/home/src/workspaces/project/packages/a/package.json": `{
+    "name": "a",
+    "version": "0.0.0",
+    "type": "module",
+    "exports": {
+        ".": {
+            "types": "./types/index.d.ts",
+            "default": "./index.js"
+        }
+    }
+}`,
+			"/home/src/workspaces/project/packages/a/test/index.js": "import 'a';",
+			"/home/src/workspaces/project/packages/a/tsconfig.json": `{
+    "compilerOptions": {
+        "checkJs": true,
+        "composite": true,
+        "declaration": true,
+        "emitDeclarationOnly": true,
+        "module": "nodenext",
+        "outDir": "types",
+    },
+}`,
+			"/home/src/workspaces/project/packages/b/index.js": "export { a } from 'a';",
+			"/home/src/workspaces/project/packages/b/package.json": `{
+    "name": "b",
+    "version": "0.0.0",
+    "type": "module"
+}`,
+			"/home/src/workspaces/project/packages/b/tsconfig.json": `{
+"references": [{ "path": "../a" }],
+    "compilerOptions": {
+        "checkJs": true,
+        "module": "nodenext",
+        "noEmit": true,
+        "noImplicitAny": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "build b",
+		CommandLineArgs: []string{"-b", "packages/b", "--verbose", "--traceResolution", "--explainFiles"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_moduleSpecifiers_synthesized_module_specifiers_across_projects_resolve_correctly_test.go b/internal/execute/tsctests/tests/tsbuild_moduleSpecifiers_synthesized_module_specifiers_across_projects_resolve_correctly_test.go
new file mode 100644
index 00000000000..00121b0b0a5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_moduleSpecifiers_synthesized_module_specifiers_across_projects_resolve_correctly_test.go
@@ -0,0 +1,89 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsbuild_moduleSpecifiers_synthesized_module_specifiers_across_projects_resolve_correctly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleSpecifiers",
+		SubScenario:     "synthesized module specifiers across projects resolve correctly",
+		CommandLineArgs: []string{"-b", "src-types", "src-dogs", "--verbose"},
+		Cwd:             "/home/src/workspaces/packages",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/packages/src-dogs/dog.ts": `import { DogConfig } from 'src-types';
+import { DOG_CONFIG } from './dogconfig.js';
+
+export abstract class Dog {
+
+    public static getCapabilities(): DogConfig {
+        return DOG_CONFIG;
+    }
+}`,
+			"/home/src/workspaces/packages/src-dogs/dogconfig.ts": `import { DogConfig } from 'src-types';
+
+export const DOG_CONFIG: DogConfig = {
+    name: 'Default dog',
+};`,
+			"/home/src/workspaces/packages/src-dogs/index.ts": `export * from 'src-types';
+export * from './lassie/lassiedog.js';`,
+			"/home/src/workspaces/packages/src-dogs/lassie/lassieconfig.ts": `import { DogConfig } from 'src-types';
+
+export const LASSIE_CONFIG: DogConfig = { name: 'Lassie' };`,
+			"/home/src/workspaces/packages/src-dogs/lassie/lassiedog.ts": `import { Dog } from '../dog.js';
+import { LASSIE_CONFIG } from './lassieconfig.js';
+
+export class LassieDog extends Dog {
+    protected static getDogConfig = () => LASSIE_CONFIG;
+}`,
+			"/home/src/workspaces/packages/src-dogs/node_modules": vfstest.Symlink("/home/src/workspaces/packages"),
+			"/home/src/workspaces/packages/src-dogs/package.json": `{
+    "type": "module",
+    "exports": "./index.js"
+}`,
+			"/home/src/workspaces/packages/src-dogs/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "composite": true,
+    },
+    "references": [
+        { "path": "../src-types" },
+    ],
+    "include": [
+        "**/*",
+    ],
+}`,
+			"/home/src/workspaces/packages/src-types/dogconfig.ts": `export interface DogConfig {
+    name: string;
+}`,
+			"/home/src/workspaces/packages/src-types/index.ts":     "export * from './dogconfig.js';",
+			"/home/src/workspaces/packages/src-types/node_modules": vfstest.Symlink("/home/src/workspaces/packages"),
+			"/home/src/workspaces/packages/src-types/package.json": `{
+    "type": "module",
+    "exports": "./index.js"
+}`,
+			"/home/src/workspaces/packages/src-types/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "composite": true,
+    },
+    "include": [
+        "**/*",
+    ],
+}`,
+			"/home/src/workspaces/packages/tsconfig-base.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "module": "node16",
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_moduleSpecifiers_synthesized_module_specifiers_resolve_correctly_test.go b/internal/execute/tsctests/tests/tsbuild_moduleSpecifiers_synthesized_module_specifiers_resolve_correctly_test.go
new file mode 100644
index 00000000000..0c681fc8e6d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_moduleSpecifiers_synthesized_module_specifiers_resolve_correctly_test.go
@@ -0,0 +1,113 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_moduleSpecifiers_synthesized_module_specifiers_resolve_correctly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleSpecifiers",
+		SubScenario:     "synthesized module specifiers resolve correctly",
+		CommandLineArgs: []string{"-b", "--verbose"},
+		Cwd:             "/home/src/workspaces/packages",
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.d.ts": `/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+interface SymbolConstructor {
+    readonly species: symbol;
+    (desc?: string | number): symbol;
+    for(name: string): symbol;
+    readonly toStringTag: symbol;
+}
+declare var Symbol: SymbolConstructor;
+interface Symbol {
+    readonly [Symbol.toStringTag]: string;
+}
+declare const console: { log(msg: any): void; };`,
+			"/home/src/workspaces/packages/solution/common/nominal.ts": `export declare type Nominal<T, Name extends string> = T & {
+    [Symbol.species]: Name;
+};`,
+			"/home/src/workspaces/packages/solution/common/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+    "compilerOptions": {
+        "composite": true
+    },
+    "include": ["nominal.ts"]
+}`,
+			"/home/src/workspaces/packages/solution/sub-project-2/index.ts": `import { MyNominal } from '../sub-project/index';
+
+const variable = {
+    key: 'value' as MyNominal,
+};
+
+export function getVar(): keyof typeof variable {
+    return 'key';
+}`,
+			"/home/src/workspaces/packages/solution/sub-project-2/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+    "compilerOptions": {
+        "composite": true
+    },
+    "references": [
+        { "path": "../sub-project" }
+    ],
+    "include": ["./index.ts"]
+}`,
+			"/home/src/workspaces/packages/solution/sub-project/index.ts": `import { Nominal } from '../common/nominal';
+
+export type MyNominal = Nominal<string, 'MyNominal'>;`,
+			"/home/src/workspaces/packages/solution/sub-project/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+    "compilerOptions": {
+        "composite": true
+    },
+    "references": [
+        { "path": "../common" }
+    ],
+    "include": ["./index.ts"]
+}`,
+			"/home/src/workspaces/packages/solution/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true
+    },
+    "references": [
+        { "path": "./sub-project" },
+        { "path": "./sub-project-2" }
+    ],
+    "include": []
+}`,
+			"/home/src/workspaces/packages/tsconfig.base.json": `{
+    "compilerOptions": {
+        "skipLibCheck": true,
+        "rootDir": "./",
+        "outDir": "lib"
+    }
+}`,
+			"/home/src/workspaces/packages/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true
+    },
+    "references": [
+        { "path": "./solution" },
+    ],
+    "include": [],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noCheck_dts_errors_test.go b/internal/execute/tsctests/tests/tsbuild_noCheck_dts_errors_test.go
new file mode 100644
index 00000000000..61af4cab9ee
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noCheck_dts_errors_test.go
@@ -0,0 +1,122 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noCheck_dts_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noCheck",
+		SubScenario:     "dts errors",
+		CommandLineArgs: []string{"-b", "-v", "--noCheck"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Add file with error",
+		CommandLineArgs: []string{"-b", "-v"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noCheck_dts_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noCheck_dts_errors_with_incremental_test.go
new file mode 100644
index 00000000000..87d4d95f3ee
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noCheck_dts_errors_with_incremental_test.go
@@ -0,0 +1,122 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noCheck_dts_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noCheck",
+		SubScenario:     "dts errors with incremental",
+		CommandLineArgs: []string{"-b", "-v", "--noCheck"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Add file with error",
+		CommandLineArgs: []string{"-b", "-v"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noCheck_semantic_errors_test.go b/internal/execute/tsctests/tests/tsbuild_noCheck_semantic_errors_test.go
new file mode 100644
index 00000000000..3f0f5d4a331
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noCheck_semantic_errors_test.go
@@ -0,0 +1,122 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noCheck_semantic_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noCheck",
+		SubScenario:     "semantic errors",
+		CommandLineArgs: []string{"-b", "-v", "--noCheck"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a: number = \"hello\";",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Add file with error",
+		CommandLineArgs: []string{"-b", "-v"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noCheck_semantic_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noCheck_semantic_errors_with_incremental_test.go
new file mode 100644
index 00000000000..c48f9bf87bc
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noCheck_semantic_errors_with_incremental_test.go
@@ -0,0 +1,122 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noCheck_semantic_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noCheck",
+		SubScenario:     "semantic errors with incremental",
+		CommandLineArgs: []string{"-b", "-v", "--noCheck"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a: number = \"hello\";",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Add file with error",
+		CommandLineArgs: []string{"-b", "-v"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noCheck_syntax_errors_test.go b/internal/execute/tsctests/tests/tsbuild_noCheck_syntax_errors_test.go
new file mode 100644
index 00000000000..c7bd57566ea
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noCheck_syntax_errors_test.go
@@ -0,0 +1,122 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noCheck_syntax_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noCheck",
+		SubScenario:     "syntax errors",
+		CommandLineArgs: []string{"-b", "-v", "--noCheck"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = \"hello",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Add file with error",
+		CommandLineArgs: []string{"-b", "-v"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noCheck_syntax_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noCheck_syntax_errors_with_incremental_test.go
new file mode 100644
index 00000000000..0ca24e273cb
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noCheck_syntax_errors_with_incremental_test.go
@@ -0,0 +1,122 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noCheck_syntax_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noCheck",
+		SubScenario:     "syntax errors with incremental",
+		CommandLineArgs: []string{"-b", "-v", "--noCheck"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = \"hello",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Add file with error",
+		CommandLineArgs: []string{"-b", "-v"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmitOnError_dts_errors_test.go b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_dts_errors_test.go
new file mode 100644
index 00000000000..6977dbb2ff2
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_dts_errors_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmitOnError_dts_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "dts errors",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmitOnError_dts_errors_with_declaration_test.go b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_dts_errors_with_declaration_test.go
new file mode 100644
index 00000000000..0032e62c499
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_dts_errors_with_declaration_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmitOnError_dts_errors_with_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "dts errors with declaration",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmitOnError_dts_errors_with_declaration_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_dts_errors_with_declaration_with_incremental_test.go
new file mode 100644
index 00000000000..774c5d04a51
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_dts_errors_with_declaration_with_incremental_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmitOnError_dts_errors_with_declaration_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "dts errors with declaration with incremental",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmitOnError_dts_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_dts_errors_with_incremental_test.go
new file mode 100644
index 00000000000..87dc83f85ce
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_dts_errors_with_incremental_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmitOnError_dts_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "dts errors with incremental",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmitOnError_semantic_errors_test.go b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_semantic_errors_test.go
new file mode 100644
index 00000000000..09b2f0b3693
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_semantic_errors_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmitOnError_semantic_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "semantic errors",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a: string = 10;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmitOnError_semantic_errors_with_declaration_test.go b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_semantic_errors_with_declaration_test.go
new file mode 100644
index 00000000000..6b82ddd6cce
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_semantic_errors_with_declaration_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmitOnError_semantic_errors_with_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "semantic errors with declaration",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a: string = 10;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmitOnError_semantic_errors_with_declaration_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_semantic_errors_with_declaration_with_incremental_test.go
new file mode 100644
index 00000000000..aa465756eda
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_semantic_errors_with_declaration_with_incremental_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmitOnError_semantic_errors_with_declaration_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "semantic errors with declaration with incremental",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a: string = 10;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmitOnError_semantic_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_semantic_errors_with_incremental_test.go
new file mode 100644
index 00000000000..403ba2e944f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_semantic_errors_with_incremental_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmitOnError_semantic_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "semantic errors with incremental",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a: string = 10;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmitOnError_syntax_errors_test.go b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_syntax_errors_test.go
new file mode 100644
index 00000000000..c35d7ec30c4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_syntax_errors_test.go
@@ -0,0 +1,57 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmitOnError_syntax_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "syntax errors",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmitOnError_syntax_errors_with_declaration_test.go b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_syntax_errors_with_declaration_test.go
new file mode 100644
index 00000000000..e5a60c4ee0e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_syntax_errors_with_declaration_test.go
@@ -0,0 +1,57 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmitOnError_syntax_errors_with_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "syntax errors with declaration",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmitOnError_syntax_errors_with_declaration_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_syntax_errors_with_declaration_with_incremental_test.go
new file mode 100644
index 00000000000..2765c6f5438
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_syntax_errors_with_declaration_with_incremental_test.go
@@ -0,0 +1,57 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmitOnError_syntax_errors_with_declaration_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "syntax errors with declaration with incremental",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmitOnError_syntax_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_syntax_errors_with_incremental_test.go
new file mode 100644
index 00000000000..f5867f1b27a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmitOnError_syntax_errors_with_incremental_test.go
@@ -0,0 +1,57 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmitOnError_syntax_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "syntax errors with incremental",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_changes_composite_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_changes_composite_test.go
new file mode 100644
index 00000000000..7e0fd3a5f14
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_changes_composite_test.go
@@ -0,0 +1,147 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_changes_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "changes composite",
+		CommandLineArgs: []string{"-b", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/class.ts": `export class classC {
+    prop = 1;
+}`,
+			"/home/src/workspaces/project/src/directUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/indirectClass.ts": `import { classC } from './class';
+export class indirectClass {
+    classC = new classC();
+}`,
+			"/home/src/workspaces/project/src/indirectUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/noChangeFile.ts": `export function writeLog(s: string) {
+}`,
+			"/home/src/workspaces/project/src/noChangeFileWithEmitSpecificError.ts": `function someFunc(arguments: boolean, ...rest: any[]) {
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions":  { "composite": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Introduce error but still noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error and emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error and emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Fix error and no emit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_changes_incremental_declaration_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_changes_incremental_declaration_test.go
new file mode 100644
index 00000000000..886bffbc33b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_changes_incremental_declaration_test.go
@@ -0,0 +1,147 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_changes_incremental_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "changes incremental declaration",
+		CommandLineArgs: []string{"-b", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/class.ts": `export class classC {
+    prop = 1;
+}`,
+			"/home/src/workspaces/project/src/directUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/indirectClass.ts": `import { classC } from './class';
+export class indirectClass {
+    classC = new classC();
+}`,
+			"/home/src/workspaces/project/src/indirectUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/noChangeFile.ts": `export function writeLog(s: string) {
+}`,
+			"/home/src/workspaces/project/src/noChangeFileWithEmitSpecificError.ts": `function someFunc(arguments: boolean, ...rest: any[]) {
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions":  { "incremental": true, "declaration": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Introduce error but still noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error and emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error and emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Fix error and no emit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_changes_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_changes_incremental_test.go
new file mode 100644
index 00000000000..d7dd3398095
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_changes_incremental_test.go
@@ -0,0 +1,147 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_changes_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "changes incremental",
+		CommandLineArgs: []string{"-b", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/class.ts": `export class classC {
+    prop = 1;
+}`,
+			"/home/src/workspaces/project/src/directUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/indirectClass.ts": `import { classC } from './class';
+export class indirectClass {
+    classC = new classC();
+}`,
+			"/home/src/workspaces/project/src/indirectUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/noChangeFile.ts": `export function writeLog(s: string) {
+}`,
+			"/home/src/workspaces/project/src/noChangeFileWithEmitSpecificError.ts": `function someFunc(arguments: boolean, ...rest: any[]) {
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions":  { "incremental": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Introduce error but still noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error and emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error and emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Fix error and no emit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_changes_with_initial_noEmit_composite_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_changes_with_initial_noEmit_composite_test.go
new file mode 100644
index 00000000000..efd0336ac9a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_changes_with_initial_noEmit_composite_test.go
@@ -0,0 +1,68 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_changes_with_initial_noEmit_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "changes with initial noEmit composite",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/class.ts": `export class classC {
+    prop = 1;
+}`,
+			"/home/src/workspaces/project/src/directUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/indirectClass.ts": `import { classC } from './class';
+export class indirectClass {
+    classC = new classC();
+}`,
+			"/home/src/workspaces/project/src/indirectUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/noChangeFile.ts": `export function writeLog(s: string) {
+}`,
+			"/home/src/workspaces/project/src/noChangeFileWithEmitSpecificError.ts": `function someFunc(arguments: boolean, ...rest: any[]) {
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions":  { "composite": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Introduce error with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error and no emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_changes_with_initial_noEmit_incremental_declaration_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_changes_with_initial_noEmit_incremental_declaration_test.go
new file mode 100644
index 00000000000..14f8ebbec53
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_changes_with_initial_noEmit_incremental_declaration_test.go
@@ -0,0 +1,68 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_changes_with_initial_noEmit_incremental_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "changes with initial noEmit incremental declaration",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/class.ts": `export class classC {
+    prop = 1;
+}`,
+			"/home/src/workspaces/project/src/directUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/indirectClass.ts": `import { classC } from './class';
+export class indirectClass {
+    classC = new classC();
+}`,
+			"/home/src/workspaces/project/src/indirectUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/noChangeFile.ts": `export function writeLog(s: string) {
+}`,
+			"/home/src/workspaces/project/src/noChangeFileWithEmitSpecificError.ts": `function someFunc(arguments: boolean, ...rest: any[]) {
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions":  { "incremental": true, "declaration": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Introduce error with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error and no emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_changes_with_initial_noEmit_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_changes_with_initial_noEmit_incremental_test.go
new file mode 100644
index 00000000000..287a779402c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_changes_with_initial_noEmit_incremental_test.go
@@ -0,0 +1,68 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_changes_with_initial_noEmit_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "changes with initial noEmit incremental",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/class.ts": `export class classC {
+    prop = 1;
+}`,
+			"/home/src/workspaces/project/src/directUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/indirectClass.ts": `import { classC } from './class';
+export class indirectClass {
+    classC = new classC();
+}`,
+			"/home/src/workspaces/project/src/indirectUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/noChangeFile.ts": `export function writeLog(s: string) {
+}`,
+			"/home/src/workspaces/project/src/noChangeFileWithEmitSpecificError.ts": `function someFunc(arguments: boolean, ...rest: any[]) {
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions":  { "incremental": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Introduce error with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error and no emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_test.go
new file mode 100644
index 00000000000..8b03b580594
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_dts_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_declaration_enable_changes_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_declaration_enable_changes_test.go
new file mode 100644
index 00000000000..855ea8de037
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_declaration_enable_changes_test.go
@@ -0,0 +1,68 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_dts_errors_with_declaration_enable_changes(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors with declaration enable changes",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration enabled noEmit - Should report errors",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration and declarationMap noEmit - Should report errors",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Dts Emit with error",
+		CommandLineArgs: []string{"-b", "-v", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix the error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { public p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration enabled noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration and declarationMap noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration", "--declarationMap"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_declaration_enable_changes_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_declaration_enable_changes_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..19f7f0edb0d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_declaration_enable_changes_with_incremental_as_modules_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_dts_errors_with_declaration_enable_changes_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors with declaration enable changes with incremental as modules",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration enabled noEmit - Should report errors",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration and declarationMap noEmit - Should report errors",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Dts Emit with error",
+		CommandLineArgs: []string{"-b", "-v", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix the error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = class { public p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration enabled noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration and declarationMap noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration", "--declarationMap"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_declaration_enable_changes_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_declaration_enable_changes_with_incremental_test.go
new file mode 100644
index 00000000000..6eb8bc6110c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_declaration_enable_changes_with_incremental_test.go
@@ -0,0 +1,68 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_dts_errors_with_declaration_enable_changes_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors with declaration enable changes with incremental",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration enabled noEmit - Should report errors",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration and declarationMap noEmit - Should report errors",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Dts Emit with error",
+		CommandLineArgs: []string{"-b", "-v", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix the error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { public p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration enabled noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration and declarationMap noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration", "--declarationMap"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_declaration_enable_changes_with_multiple_files_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_declaration_enable_changes_with_multiple_files_test.go
new file mode 100644
index 00000000000..840670924e9
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_declaration_enable_changes_with_multiple_files_test.go
@@ -0,0 +1,79 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_dts_errors_with_declaration_enable_changes_with_multiple_files(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors with declaration enable changes with multiple files",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/c.ts": "export const c = class { private p = 10; };",
+			"/home/src/projects/project/d.ts": "export const d = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration enabled noEmit - Should report errors",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration and declarationMap noEmit - Should report errors",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Dts Emit with error",
+		CommandLineArgs: []string{"-b", "-v", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix the error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = class { public p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration enabled noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration and declarationMap noEmit",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Fix the another ",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit", "--declaration", "--declarationMap"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/c.ts", "export const c = class { public p = 10; };")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..c01824dd2be
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_incremental_as_modules_test.go
@@ -0,0 +1,70 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_dts_errors_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors with incremental as modules",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_incremental_test.go
new file mode 100644
index 00000000000..e66ec73dddf
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_with_incremental_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_dts_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors with incremental",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_without_dts_enabled_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_without_dts_enabled_test.go
new file mode 100644
index 00000000000..ebf45cbfb8f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_without_dts_enabled_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_dts_errors_without_dts_enabled(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors without dts enabled",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_without_dts_enabled_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_without_dts_enabled_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..f861b15e924
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_without_dts_enabled_with_incremental_as_modules_test.go
@@ -0,0 +1,70 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_dts_errors_without_dts_enabled_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors without dts enabled with incremental as modules",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_without_dts_enabled_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_without_dts_enabled_with_incremental_test.go
new file mode 100644
index 00000000000..398909f533a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_dts_errors_without_dts_enabled_with_incremental_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_dts_errors_without_dts_enabled_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors without dts enabled with incremental",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_semantic_errors_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_semantic_errors_test.go
new file mode 100644
index 00000000000..73b80339127
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_semantic_errors_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_semantic_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "semantic errors",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a: number = \"hello\"",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a: number = \"hello\"")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_semantic_errors_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_semantic_errors_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..3fd85369320
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_semantic_errors_with_incremental_as_modules_test.go
@@ -0,0 +1,70 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_semantic_errors_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "semantic errors with incremental as modules",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a: number = \"hello\"",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a: number = \"hello\"")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_semantic_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_semantic_errors_with_incremental_test.go
new file mode 100644
index 00000000000..55e7d4fcdbd
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_semantic_errors_with_incremental_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_semantic_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "semantic errors with incremental",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a: number = \"hello\"",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a: number = \"hello\"")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_syntax_errors_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_syntax_errors_test.go
new file mode 100644
index 00000000000..09a520dad42
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_syntax_errors_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_syntax_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "syntax errors",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = \"hello",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_syntax_errors_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_syntax_errors_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..56d87e81b83
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_syntax_errors_with_incremental_as_modules_test.go
@@ -0,0 +1,70 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_syntax_errors_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "syntax errors with incremental as modules",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a = \"hello",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_noEmit_syntax_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_noEmit_syntax_errors_with_incremental_test.go
new file mode 100644
index 00000000000..467ea79d442
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_noEmit_syntax_errors_with_incremental_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_noEmit_syntax_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "syntax errors with incremental",
+		CommandLineArgs: []string{"-b", "-v", "--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = \"hello",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_not_specified_and_is_composite_test.go b/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_not_specified_and_is_composite_test.go
new file mode 100644
index 00000000000..77553078a32
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_not_specified_and_is_composite_test.go
@@ -0,0 +1,37 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_outputPaths_when_rootDir_is_not_specified_and_is_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "outputPaths",
+		SubScenario:     "when rootDir is not specified and is composite",
+		CommandLineArgs: []string{"-b", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/index.ts": "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "dist",
+        "composite": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Normal build without change, that does not block emit on error to show files that get emitted",
+		CommandLineArgs: []string{"-p", "/home/src/workspaces/project/tsconfig.json"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_not_specified_test.go b/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_not_specified_test.go
new file mode 100644
index 00000000000..6e4b69fc305
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_not_specified_test.go
@@ -0,0 +1,36 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_outputPaths_when_rootDir_is_not_specified(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "outputPaths",
+		SubScenario:     "when rootDir is not specified",
+		CommandLineArgs: []string{"-b", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/index.ts": "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "dist",
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Normal build without change, that does not block emit on error to show files that get emitted",
+		CommandLineArgs: []string{"-p", "/home/src/workspaces/project/tsconfig.json"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_specified_but_not_all_files_belong_to_rootDir_and_is_composite_test.go b/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_specified_but_not_all_files_belong_to_rootDir_and_is_composite_test.go
new file mode 100644
index 00000000000..b6185fee091
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_specified_but_not_all_files_belong_to_rootDir_and_is_composite_test.go
@@ -0,0 +1,39 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_outputPaths_when_rootDir_is_specified_but_not_all_files_belong_to_rootDir_and_is_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "outputPaths",
+		SubScenario:     "when rootDir is specified but not all files belong to rootDir and is composite",
+		CommandLineArgs: []string{"-b", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/index.ts": "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "dist",
+        "rootDir": "src",
+        "composite": true
+    },
+}`,
+			"/home/src/workspaces/project/types/type.ts": "export type t = string;",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Normal build without change, that does not block emit on error to show files that get emitted",
+		CommandLineArgs: []string{"-p", "/home/src/workspaces/project/tsconfig.json"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_specified_but_not_all_files_belong_to_rootDir_test.go b/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_specified_but_not_all_files_belong_to_rootDir_test.go
new file mode 100644
index 00000000000..0168f781b1d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_specified_but_not_all_files_belong_to_rootDir_test.go
@@ -0,0 +1,38 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_outputPaths_when_rootDir_is_specified_but_not_all_files_belong_to_rootDir(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "outputPaths",
+		SubScenario:     "when rootDir is specified but not all files belong to rootDir",
+		CommandLineArgs: []string{"-b", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/index.ts": "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "dist",
+        "rootDir": "src",
+    },
+}`,
+			"/home/src/workspaces/project/types/type.ts": "export type t = string;",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Normal build without change, that does not block emit on error to show files that get emitted",
+		CommandLineArgs: []string{"-p", "/home/src/workspaces/project/tsconfig.json"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_specified_test.go b/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_specified_test.go
new file mode 100644
index 00000000000..a2648bb8585
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_outputPaths_when_rootDir_is_specified_test.go
@@ -0,0 +1,37 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_outputPaths_when_rootDir_is_specified(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "outputPaths",
+		SubScenario:     "when rootDir is specified",
+		CommandLineArgs: []string{"-b", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/index.ts": "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "dist",
+        "rootDir": "src",
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Normal build without change, that does not block emit on error to show files that get emitted",
+		CommandLineArgs: []string{"-p", "/home/src/workspaces/project/tsconfig.json"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_programUpdates_when_root_is_source_from_project_reference_test.go b/internal/execute/tsctests/tests/tsbuild_programUpdates_when_root_is_source_from_project_reference_test.go
new file mode 100644
index 00000000000..1b195e683e3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_programUpdates_when_root_is_source_from_project_reference_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_programUpdates_when_root_is_source_from_project_reference(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "programUpdates",
+		SubScenario:     "when root is source from project reference",
+		CommandLineArgs: []string{"--b"},
+		Cwd:             "/home/src/workspaces/project",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":   "import { FOO } from \"./lib/foo\";",
+			"/home/src/workspaces/project/lib/foo.ts": "export const FOO: string = 'THEFOOEXPORT';",
+			"/home/src/workspaces/project/lib/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "./dist"
+    }
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "references": [ { "path": "./lib" } ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesnt change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/lib/foo.ts", "export const FOO: string = 'THEFOOEXPORT';const Bar = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_programUpdates_when_root_is_source_from_project_reference_with_composite_test.go b/internal/execute/tsctests/tests/tsbuild_programUpdates_when_root_is_source_from_project_reference_with_composite_test.go
new file mode 100644
index 00000000000..4ca8623b02c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_programUpdates_when_root_is_source_from_project_reference_with_composite_test.go
@@ -0,0 +1,43 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_programUpdates_when_root_is_source_from_project_reference_with_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "programUpdates",
+		SubScenario:     "when root is source from project reference with composite",
+		CommandLineArgs: []string{"--b"},
+		Cwd:             "/home/src/workspaces/project",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":   "import { FOO } from \"./lib/foo\";",
+			"/home/src/workspaces/project/lib/foo.ts": "export const FOO: string = 'THEFOOEXPORT';",
+			"/home/src/workspaces/project/lib/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "./dist"
+    }
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    },
+    "references": [ { "path": "./lib" } ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesnt change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/lib/foo.ts", "export const FOO: string = 'THEFOOEXPORT';const Bar = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectReferenceRedirect_uses_correct_project_reference_redirect_when_file_belongs_to_multiple_sub_projects_test.go b/internal/execute/tsctests/tests/tsbuild_projectReferenceRedirect_uses_correct_project_reference_redirect_when_file_belongs_to_multiple_sub_projects_test.go
new file mode 100644
index 00000000000..1cd6ccee9c3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectReferenceRedirect_uses_correct_project_reference_redirect_when_file_belongs_to_multiple_sub_projects_test.go
@@ -0,0 +1,85 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsbuild_projectReferenceRedirect_uses_correct_project_reference_redirect_when_file_belongs_to_multiple_sub_projects(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferenceRedirect",
+		SubScenario:     "uses correct project reference redirect when file belongs to multiple sub-projects",
+		CommandLineArgs: []string{"--b", "--verbose"},
+		Cwd:             "/home/src/workspaces/project",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/app.ts": `import { platform } from "pkg";
+const check: "native" = platform;`,
+			"/home/src/workspaces/project/node_modules/pkg":    vfstest.Symlink("/home/src/workspaces/project/pkg"),
+			"/home/src/workspaces/project/pkg/index.native.ts": "export { platform } from \"./src/util\";",
+			"/home/src/workspaces/project/pkg/index.ts":        "export { platform } from \"./src/util\";",
+			"/home/src/workspaces/project/pkg/package.json": `{
+    "name": "pkg",
+    "exports": {
+        ".": {
+            "react-native": "./index.native.ts",
+            "types": "./index.ts",
+            "default": "./index.ts"
+        }
+    }
+}`,
+			"/home/src/workspaces/project/pkg/src/util.native.ts": "export const platform = \"native\" as const;",
+			"/home/src/workspaces/project/pkg/src/util.ts":        "export const platform = \"web\" as const;",
+			"/home/src/workspaces/project/pkg/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "esnext",
+        "moduleResolution": "bundler",
+        "composite": true,
+        "declaration": true,
+        "emitDeclarationOnly": true,
+        "outDir": "./dist",
+        "strict": true
+    },
+    "include": ["**/*"],
+    "exclude": ["dist"],
+    "references": [
+        { "path": "./tsconfig.native.json" }
+    ]
+}`,
+			"/home/src/workspaces/project/pkg/tsconfig.native.json": `{
+    "compilerOptions": {
+        "module": "esnext",
+        "moduleResolution": "bundler",
+        "composite": true,
+        "declaration": true,
+        "emitDeclarationOnly": true,
+        "outDir": "./dist",
+        "strict": true,
+        "customConditions": ["react-native"],
+        "moduleSuffixes": [".native", ""]
+    },
+    "include": ["index.native.ts", "src/util.native.ts", "src/util.ts"],
+    "exclude": ["dist"]
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "esnext",
+        "moduleResolution": "bundler",
+        "customConditions": ["react-native"],
+        "moduleSuffixes": [".native", ""],
+        "strict": true,
+        "noEmit": true
+    },
+    "include": ["app.ts"],
+    "references": [
+        { "path": "./pkg" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_builds_correctly_test.go b/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_builds_correctly_test.go
new file mode 100644
index 00000000000..1f6816980b0
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_builds_correctly_test.go
@@ -0,0 +1,47 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectReferenceWithRootDirInParent_builds_correctly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferenceWithRootDirInParent",
+		SubScenario:     "builds correctly",
+		CommandLineArgs: []string{"--b", "src/main", "/home/src/workspaces/solution/src/other"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/src/main/a.ts": `import { b } from './b';
+const a = b;`,
+			"/home/src/workspaces/solution/src/main/b.ts": "export const b = 0;",
+			"/home/src/workspaces/solution/src/main/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+    "references": [
+        { "path": "../other" },
+    ],
+}`,
+			"/home/src/workspaces/solution/src/other/other.ts": "export const Other = 0;",
+			"/home/src/workspaces/solution/src/other/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+}`,
+			"/home/src/workspaces/solution/tsconfig.base.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "rootDir": "./src/",
+        "outDir": "./dist/",
+        "skipDefaultLibCheck": true,
+    },
+    "exclude": [
+        "node_modules",
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_because_no_rootDir_in_the_base_test.go b/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_because_no_rootDir_in_the_base_test.go
new file mode 100644
index 00000000000..909bf24c8d1
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_because_no_rootDir_in_the_base_test.go
@@ -0,0 +1,47 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_because_no_rootDir_in_the_base(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferenceWithRootDirInParent",
+		SubScenario:     "reports error for same tsbuildinfo file because no rootDir in the base",
+		CommandLineArgs: []string{"--b", "src/main", "--verbose"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/src/main/a.ts": `import { b } from './b';
+const a = b;`,
+			"/home/src/workspaces/solution/src/main/b.ts": "export const b = 0;",
+			"/home/src/workspaces/solution/src/main/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+    "references": [
+        { "path": "../other" },
+    ],
+}`,
+			"/home/src/workspaces/solution/src/other/other.ts": "export const Other = 0;",
+			"/home/src/workspaces/solution/src/other/tsconfig.json": `{
+    "extends": "../../tsconfig.base.json",
+}`,
+			"/home/src/workspaces/solution/tsconfig.base.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        
+        "outDir": "./dist/",
+        "skipDefaultLibCheck": true,
+    },
+    "exclude": [
+        "node_modules",
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_test.go b/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_test.go
new file mode 100644
index 00000000000..3610dbfb004
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_test.go
@@ -0,0 +1,49 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferenceWithRootDirInParent",
+		SubScenario:     "reports error for same tsbuildinfo file",
+		CommandLineArgs: []string{"--b", "src/main", "--verbose"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/src/main/a.ts": `import { b } from './b';
+const a = b;`,
+			"/home/src/workspaces/solution/src/main/b.ts": "export const b = 0;",
+			"/home/src/workspaces/solution/src/main/tsconfig.json": `{
+    "compilerOptions": { "composite": true, "outDir": "../../dist/" },
+    "references": [{ "path": "../other" }]
+}`,
+			"/home/src/workspaces/solution/src/other/other.ts": "export const Other = 0;",
+			"/home/src/workspaces/solution/src/other/tsconfig.json": `{
+    "compilerOptions": { "composite": true, "outDir": "../../dist/" },
+}`,
+			"/home/src/workspaces/solution/tsconfig.base.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "rootDir": "./src/",
+        "outDir": "./dist/",
+        "skipDefaultLibCheck": true,
+    },
+    "exclude": [
+        "node_modules",
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_without_incremental_test.go b/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_without_incremental_test.go
new file mode 100644
index 00000000000..e52798db19c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_without_incremental_test.go
@@ -0,0 +1,45 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_without_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferenceWithRootDirInParent",
+		SubScenario:     "reports error for same tsbuildinfo file without incremental",
+		CommandLineArgs: []string{"--b", "src/main", "--verbose"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/src/main/a.ts": `import { b } from './b';
+const a = b;`,
+			"/home/src/workspaces/solution/src/main/b.ts": "export const b = 0;",
+			"/home/src/workspaces/solution/src/main/tsconfig.json": `{
+    "compilerOptions": { "outDir": "../../dist/" },
+    "references": [{ "path": "../other" }]
+}`,
+			"/home/src/workspaces/solution/src/other/other.ts": "export const Other = 0;",
+			"/home/src/workspaces/solution/src/other/tsconfig.json": `{
+    "compilerOptions": { "composite": true, "outDir": "../../dist/" },
+}`,
+			"/home/src/workspaces/solution/tsconfig.base.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "rootDir": "./src/",
+        "outDir": "./dist/",
+        "skipDefaultLibCheck": true,
+    },
+    "exclude": [
+        "node_modules",
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_without_incremental_with_tsc_test.go b/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_without_incremental_with_tsc_test.go
new file mode 100644
index 00000000000..72d4bced0a4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_without_incremental_with_tsc_test.go
@@ -0,0 +1,50 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectReferenceWithRootDirInParent_reports_error_for_same_tsbuildinfo_file_without_incremental_with_tsc(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferenceWithRootDirInParent",
+		SubScenario:     "reports error for same tsbuildinfo file without incremental with tsc",
+		CommandLineArgs: []string{"--b", "src/other", "--verbose"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/src/main/a.ts": `import { b } from './b';
+const a = b;`,
+			"/home/src/workspaces/solution/src/main/b.ts": "export const b = 0;",
+			"/home/src/workspaces/solution/src/main/tsconfig.json": `{
+    "compilerOptions": { "outDir": "../../dist/" },
+    "references": [{ "path": "../other" }]
+}`,
+			"/home/src/workspaces/solution/src/other/other.ts": "export const Other = 0;",
+			"/home/src/workspaces/solution/src/other/tsconfig.json": `{
+    "compilerOptions": { "composite": true, "outDir": "../../dist/" },
+}`,
+			"/home/src/workspaces/solution/tsconfig.base.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "rootDir": "./src/",
+        "outDir": "./dist/",
+        "skipDefaultLibCheck": true,
+    },
+    "exclude": [
+        "node_modules",
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Running tsc on main",
+		CommandLineArgs: []string{"-p", "src/main"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_no_error_when_tsbuildinfo_differ_test.go b/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_no_error_when_tsbuildinfo_differ_test.go
new file mode 100644
index 00000000000..ed22ce10fc3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectReferenceWithRootDirInParent_reports_no_error_when_tsbuildinfo_differ_test.go
@@ -0,0 +1,49 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectReferenceWithRootDirInParent_reports_no_error_when_tsbuildinfo_differ(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferenceWithRootDirInParent",
+		SubScenario:     "reports no error when tsbuildinfo differ",
+		CommandLineArgs: []string{"--b", "src/main/tsconfig.main.json", "--verbose"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/src/main/a.ts": `import { b } from './b';
+const a = b;`,
+			"/home/src/workspaces/solution/src/main/b.ts": "export const b = 0;",
+			"/home/src/workspaces/solution/src/main/tsconfig.main.json": `{
+    "compilerOptions": { "composite": true, "outDir": "../../dist/" },
+    "references": [{ "path": "../other/tsconfig.other.json" }]
+}`,
+			"/home/src/workspaces/solution/src/other/other.ts": "export const Other = 0;",
+			"/home/src/workspaces/solution/src/other/tsconfig.other.json": `{
+    "compilerOptions": { "composite": true, "outDir": "../../dist/" },
+}`,
+			"/home/src/workspaces/solution/tsconfig.base.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "rootDir": "./src/",
+        "outDir": "./dist/",
+        "skipDefaultLibCheck": true,
+    },
+    "exclude": [
+        "node_modules",
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_23_projects_in_a_solution_test.go b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_23_projects_in_a_solution_test.go
new file mode 100644
index 00000000000..b8dfe4896e3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_23_projects_in_a_solution_test.go
@@ -0,0 +1,187 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectsBuilding_when_there_are_23_projects_in_a_solution(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 23 projects in a solution",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg10/index.ts": "export const pkg10 = 10;",
+			"/user/username/projects/myproject/pkg10/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg11/index.ts": "export const pkg11 = 11;",
+			"/user/username/projects/myproject/pkg11/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg12/index.ts": "export const pkg12 = 12;",
+			"/user/username/projects/myproject/pkg12/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg13/index.ts": "export const pkg13 = 13;",
+			"/user/username/projects/myproject/pkg13/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg14/index.ts": "export const pkg14 = 14;",
+			"/user/username/projects/myproject/pkg14/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg15/index.ts": "export const pkg15 = 15;",
+			"/user/username/projects/myproject/pkg15/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg16/index.ts": "export const pkg16 = 16;",
+			"/user/username/projects/myproject/pkg16/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg17/index.ts": "export const pkg17 = 17;",
+			"/user/username/projects/myproject/pkg17/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg18/index.ts": "export const pkg18 = 18;",
+			"/user/username/projects/myproject/pkg18/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg19/index.ts": "export const pkg19 = 19;",
+			"/user/username/projects/myproject/pkg19/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg20/index.ts": "export const pkg20 = 20;",
+			"/user/username/projects/myproject/pkg20/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg21/index.ts": "export const pkg21 = 21;",
+			"/user/username/projects/myproject/pkg21/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg22/index.ts": "export const pkg22 = 22;",
+			"/user/username/projects/myproject/pkg22/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg3/index.ts": "export const pkg3 = 3;",
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg4/index.ts": "export const pkg4 = 4;",
+			"/user/username/projects/myproject/pkg4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg5/index.ts": "export const pkg5 = 5;",
+			"/user/username/projects/myproject/pkg5/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg6/index.ts": "export const pkg6 = 6;",
+			"/user/username/projects/myproject/pkg6/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg7/index.ts": "export const pkg7 = 7;",
+			"/user/username/projects/myproject/pkg7/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg8/index.ts": "export const pkg8 = 8;",
+			"/user/username/projects/myproject/pkg8/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg9/index.ts": "export const pkg9 = 9;",
+			"/user/username/projects/myproject/pkg9/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" },
+        { "path": "./pkg3" },
+        { "path": "./pkg4" },
+        { "path": "./pkg5" },
+        { "path": "./pkg6" },
+        { "path": "./pkg7" },
+        { "path": "./pkg8" },
+        { "path": "./pkg9" },
+        { "path": "./pkg10" },
+        { "path": "./pkg11" },
+        { "path": "./pkg12" },
+        { "path": "./pkg13" },
+        { "path": "./pkg14" },
+        { "path": "./pkg15" },
+        { "path": "./pkg16" },
+        { "path": "./pkg17" },
+        { "path": "./pkg18" },
+        { "path": "./pkg19" },
+        { "path": "./pkg20" },
+        { "path": "./pkg21" },
+        { "path": "./pkg22" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_23_projects_in_a_solution_with_builders_3_test.go b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_23_projects_in_a_solution_with_builders_3_test.go
new file mode 100644
index 00000000000..1e7a8a5f2cd
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_23_projects_in_a_solution_with_builders_3_test.go
@@ -0,0 +1,187 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectsBuilding_when_there_are_23_projects_in_a_solution_with_builders_3(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 23 projects in a solution with --builders 3",
+		CommandLineArgs: []string{"-b", "-v", "--builders", "3"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg10/index.ts": "export const pkg10 = 10;",
+			"/user/username/projects/myproject/pkg10/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg11/index.ts": "export const pkg11 = 11;",
+			"/user/username/projects/myproject/pkg11/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg12/index.ts": "export const pkg12 = 12;",
+			"/user/username/projects/myproject/pkg12/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg13/index.ts": "export const pkg13 = 13;",
+			"/user/username/projects/myproject/pkg13/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg14/index.ts": "export const pkg14 = 14;",
+			"/user/username/projects/myproject/pkg14/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg15/index.ts": "export const pkg15 = 15;",
+			"/user/username/projects/myproject/pkg15/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg16/index.ts": "export const pkg16 = 16;",
+			"/user/username/projects/myproject/pkg16/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg17/index.ts": "export const pkg17 = 17;",
+			"/user/username/projects/myproject/pkg17/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg18/index.ts": "export const pkg18 = 18;",
+			"/user/username/projects/myproject/pkg18/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg19/index.ts": "export const pkg19 = 19;",
+			"/user/username/projects/myproject/pkg19/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg20/index.ts": "export const pkg20 = 20;",
+			"/user/username/projects/myproject/pkg20/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg21/index.ts": "export const pkg21 = 21;",
+			"/user/username/projects/myproject/pkg21/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg22/index.ts": "export const pkg22 = 22;",
+			"/user/username/projects/myproject/pkg22/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg3/index.ts": "export const pkg3 = 3;",
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg4/index.ts": "export const pkg4 = 4;",
+			"/user/username/projects/myproject/pkg4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg5/index.ts": "export const pkg5 = 5;",
+			"/user/username/projects/myproject/pkg5/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg6/index.ts": "export const pkg6 = 6;",
+			"/user/username/projects/myproject/pkg6/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg7/index.ts": "export const pkg7 = 7;",
+			"/user/username/projects/myproject/pkg7/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg8/index.ts": "export const pkg8 = 8;",
+			"/user/username/projects/myproject/pkg8/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg9/index.ts": "export const pkg9 = 9;",
+			"/user/username/projects/myproject/pkg9/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" },
+        { "path": "./pkg3" },
+        { "path": "./pkg4" },
+        { "path": "./pkg5" },
+        { "path": "./pkg6" },
+        { "path": "./pkg7" },
+        { "path": "./pkg8" },
+        { "path": "./pkg9" },
+        { "path": "./pkg10" },
+        { "path": "./pkg11" },
+        { "path": "./pkg12" },
+        { "path": "./pkg13" },
+        { "path": "./pkg14" },
+        { "path": "./pkg15" },
+        { "path": "./pkg16" },
+        { "path": "./pkg17" },
+        { "path": "./pkg18" },
+        { "path": "./pkg19" },
+        { "path": "./pkg20" },
+        { "path": "./pkg21" },
+        { "path": "./pkg22" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_3_projects_in_a_solution_test.go b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_3_projects_in_a_solution_test.go
new file mode 100644
index 00000000000..5e9ef897469
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_3_projects_in_a_solution_test.go
@@ -0,0 +1,67 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectsBuilding_when_there_are_3_projects_in_a_solution(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 3 projects in a solution",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_3_projects_in_a_solution_with_builders_1_test.go b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_3_projects_in_a_solution_with_builders_1_test.go
new file mode 100644
index 00000000000..a6765bf6287
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_3_projects_in_a_solution_with_builders_1_test.go
@@ -0,0 +1,67 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectsBuilding_when_there_are_3_projects_in_a_solution_with_builders_1(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 3 projects in a solution with --builders 1",
+		CommandLineArgs: []string{"-b", "-v", "--builders", "1"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_5_projects_in_a_solution_test.go b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_5_projects_in_a_solution_test.go
new file mode 100644
index 00000000000..383796a2382
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_5_projects_in_a_solution_test.go
@@ -0,0 +1,79 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectsBuilding_when_there_are_5_projects_in_a_solution(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 5 projects in a solution",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg3/index.ts": "export const pkg3 = 3;",
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg4/index.ts": "export const pkg4 = 4;",
+			"/user/username/projects/myproject/pkg4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" },
+        { "path": "./pkg3" },
+        { "path": "./pkg4" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_5_projects_in_a_solution_with_builders_2_test.go b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_5_projects_in_a_solution_with_builders_2_test.go
new file mode 100644
index 00000000000..88692e19290
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_5_projects_in_a_solution_with_builders_2_test.go
@@ -0,0 +1,79 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectsBuilding_when_there_are_5_projects_in_a_solution_with_builders_2(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 5 projects in a solution with --builders 2",
+		CommandLineArgs: []string{"-b", "-v", "--builders", "2"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg3/index.ts": "export const pkg3 = 3;",
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg4/index.ts": "export const pkg4 = 4;",
+			"/user/username/projects/myproject/pkg4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" },
+        { "path": "./pkg3" },
+        { "path": "./pkg4" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_8_projects_in_a_solution_test.go b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_8_projects_in_a_solution_test.go
new file mode 100644
index 00000000000..cc4a8500d1d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_8_projects_in_a_solution_test.go
@@ -0,0 +1,97 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectsBuilding_when_there_are_8_projects_in_a_solution(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 8 projects in a solution",
+		CommandLineArgs: []string{"-b", "-v"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg3/index.ts": "export const pkg3 = 3;",
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg4/index.ts": "export const pkg4 = 4;",
+			"/user/username/projects/myproject/pkg4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg5/index.ts": "export const pkg5 = 5;",
+			"/user/username/projects/myproject/pkg5/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg6/index.ts": "export const pkg6 = 6;",
+			"/user/username/projects/myproject/pkg6/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg7/index.ts": "export const pkg7 = 7;",
+			"/user/username/projects/myproject/pkg7/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" },
+        { "path": "./pkg3" },
+        { "path": "./pkg4" },
+        { "path": "./pkg5" },
+        { "path": "./pkg6" },
+        { "path": "./pkg7" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_8_projects_in_a_solution_with_builders_3_test.go b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_8_projects_in_a_solution_with_builders_3_test.go
new file mode 100644
index 00000000000..f4589c2a2fc
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_projectsBuilding_when_there_are_8_projects_in_a_solution_with_builders_3_test.go
@@ -0,0 +1,97 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_projectsBuilding_when_there_are_8_projects_in_a_solution_with_builders_3(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectsBuilding",
+		SubScenario:     "when there are 8 projects in a solution with --builders 3",
+		CommandLineArgs: []string{"-b", "-v", "--builders", "3"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg0/index.ts": "export const pkg0 = 0;",
+			"/user/username/projects/myproject/pkg0/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+
+}`,
+			"/user/username/projects/myproject/pkg1/index.ts": "export const pkg1 = 1;",
+			"/user/username/projects/myproject/pkg1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg2/index.ts": "export const pkg2 = 2;",
+			"/user/username/projects/myproject/pkg2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg3/index.ts": "export const pkg3 = 3;",
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg4/index.ts": "export const pkg4 = 4;",
+			"/user/username/projects/myproject/pkg4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg5/index.ts": "export const pkg5 = 5;",
+			"/user/username/projects/myproject/pkg5/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg6/index.ts": "export const pkg6 = 6;",
+			"/user/username/projects/myproject/pkg6/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/pkg7/index.ts": "export const pkg7 = 7;",
+			"/user/username/projects/myproject/pkg7/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../pkg0" }],
+}`,
+			"/user/username/projects/myproject/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "./pkg0" },
+        { "path": "./pkg1" },
+        { "path": "./pkg2" },
+        { "path": "./pkg3" },
+        { "path": "./pkg4" },
+        { "path": "./pkg5" },
+        { "path": "./pkg6" },
+        { "path": "./pkg7" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts doesn't change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "dts change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/myproject/pkg0/index.ts", "export const pkg0 = 0;const someConst2 = 10;export const someConst = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_files_containing_json_file_non_composite_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_files_containing_json_file_non_composite_test.go
new file mode 100644
index 00000000000..d6ee41e8b57
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_files_containing_json_file_non_composite_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_files_containing_json_file_non_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "files containing json file non-composite",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": false,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+
+    },
+    "files": [ "src/index.ts", "src/hello.json", ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_files_containing_json_file_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_files_containing_json_file_test.go
new file mode 100644
index 00000000000..8ebe0818661
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_files_containing_json_file_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_files_containing_json_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "files containing json file",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+
+    },
+    "files": [ "src/index.ts", "src/hello.json", ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_importing_json_module_from_project_reference_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_importing_json_module_from_project_reference_test.go
new file mode 100644
index 00000000000..75ab1bc1368
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_importing_json_module_from_project_reference_test.go
@@ -0,0 +1,61 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_importing_json_module_from_project_reference(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "importing json module from project reference",
+		CommandLineArgs: []string{"--b", "project", "--verbose", "--explainFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/main/index.ts": `import { foo } from '../strings/foo.json';
+console.log(foo);`,
+			"/home/src/workspaces/solution/project/main/tsconfig.json": `{
+    "extends": "../tsconfig.json",
+    "include": [
+        "./**/*.ts",
+    ],
+    "references": [{
+        "path": "../strings/tsconfig.json",
+    }],
+}`,
+			"/home/src/workspaces/solution/project/strings/foo.json": `{
+    "foo": "bar baz"
+}`,
+			"/home/src/workspaces/solution/project/strings/tsconfig.json": `{
+    "extends": "../tsconfig.json",
+    "include": ["foo.json"],
+    "references": [],
+}`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es5",
+        "module": "commonjs",
+        "rootDir": "./",
+        "composite": true,
+        "resolveJsonModule": true,
+        "strict": true,
+        "esModuleInterop": true,
+    },
+    "references": [
+        { "path": "./strings/tsconfig.json" },
+        { "path": "./main/tsconfig.json" },
+    ],
+    "files": [],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_and_files_non_composite_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_and_files_non_composite_test.go
new file mode 100644
index 00000000000..19c1daeed5c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_and_files_non_composite_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_and_files_non_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include and files non-composite",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": false,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+
+    },
+    "files": [ "src/hello.json" ], "include": [ "src/**/*" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_and_files_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_and_files_test.go
new file mode 100644
index 00000000000..b6efb34abc2
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_and_files_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_and_files(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include and files",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+
+    },
+    "files": [ "src/hello.json" ], "include": [ "src/**/*" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_of_json_along_with_other_include_and_file_name_matches_ts_file_non_composite_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_of_json_along_with_other_include_and_file_name_matches_ts_file_non_composite_test.go
new file mode 100644
index 00000000000..fa0688fb572
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_of_json_along_with_other_include_and_file_name_matches_ts_file_non_composite_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_of_json_along_with_other_include_and_file_name_matches_ts_file_non_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include of json along with other include and file name matches ts file non-composite",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/index.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./index.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": false,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+
+    },
+    "include": [ "src/**/*", "src/**/*.json" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_of_json_along_with_other_include_and_file_name_matches_ts_file_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_of_json_along_with_other_include_and_file_name_matches_ts_file_test.go
new file mode 100644
index 00000000000..0e61dd449bd
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_of_json_along_with_other_include_and_file_name_matches_ts_file_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_of_json_along_with_other_include_and_file_name_matches_ts_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include of json along with other include and file name matches ts file",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/index.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./index.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+
+    },
+    "include": [ "src/**/*", "src/**/*.json" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_of_json_along_with_other_include_non_composite_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_of_json_along_with_other_include_non_composite_test.go
new file mode 100644
index 00000000000..ce678d81d1d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_of_json_along_with_other_include_non_composite_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_of_json_along_with_other_include_non_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include of json along with other include non-composite",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": false,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+
+    },
+    "include": [ "src/**/*", "src/**/*.json" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_of_json_along_with_other_include_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_of_json_along_with_other_include_test.go
new file mode 100644
index 00000000000..6dff700c4c8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_of_json_along_with_other_include_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_of_json_along_with_other_include(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include of json along with other include",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+
+    },
+    "include": [ "src/**/*", "src/**/*.json" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_non_composite_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_non_composite_test.go
new file mode 100644
index 00000000000..bd7eb7b2213
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_non_composite_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_only_non_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include only non-composite",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": false,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+
+    },
+    "include": [ "src/**/*" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_test.go
new file mode 100644
index 00000000000..d518300956a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_only(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include only",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+
+    },
+    "include": [ "src/**/*" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_with_json_not_in_rootDir_non_composite_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_with_json_not_in_rootDir_non_composite_test.go
new file mode 100644
index 00000000000..bbb46b0f933
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_with_json_not_in_rootDir_non_composite_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_only_with_json_not_in_rootDir_non_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include only with json not in rootDir non-composite",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "../hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": false,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+        "rootDir": "src",
+    },
+    "include": [ "src/**/*" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_with_json_not_in_rootDir_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_with_json_not_in_rootDir_test.go
new file mode 100644
index 00000000000..d3ca0543cd4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_with_json_not_in_rootDir_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_only_with_json_not_in_rootDir(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include only with json not in rootDir",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "../hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+        "rootDir": "src",
+    },
+    "include": [ "src/**/*" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_with_json_without_rootDir_but_outside_configDirectory_non_composite_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_with_json_without_rootDir_but_outside_configDirectory_non_composite_test.go
new file mode 100644
index 00000000000..7a0dc295625
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_with_json_without_rootDir_but_outside_configDirectory_non_composite_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_only_with_json_without_rootDir_but_outside_configDirectory_non_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include only with json without rootDir but outside configDirectory non-composite",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "../../hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": false,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+
+    },
+    "include": [ "src/**/*" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_with_json_without_rootDir_but_outside_configDirectory_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_with_json_without_rootDir_but_outside_configDirectory_test.go
new file mode 100644
index 00000000000..5334bfc1c05
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_with_json_without_rootDir_but_outside_configDirectory_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_only_with_json_without_rootDir_but_outside_configDirectory(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include only with json without rootDir but outside configDirectory",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "../../hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+
+    },
+    "include": [ "src/**/*" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_without_outDir_non_composite_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_without_outDir_non_composite_test.go
new file mode 100644
index 00000000000..779db43486d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_without_outDir_non_composite_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_only_without_outDir_non_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include only without outDir non-composite",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": false,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+
+        "skipDefaultLibCheck": true,
+
+    },
+    "include": [ "src/**/*" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_without_outDir_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_without_outDir_test.go
new file mode 100644
index 00000000000..3f478dd944f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_include_only_without_outDir_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_include_only_without_outDir(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "include only without outDir",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+
+        "skipDefaultLibCheck": true,
+
+    },
+    "include": [ "src/**/*" ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_sourcemap_non_composite_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_sourcemap_non_composite_test.go
new file mode 100644
index 00000000000..2ed1a9ba2fd
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_sourcemap_non_composite_test.go
@@ -0,0 +1,44 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_sourcemap_non_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "sourcemap non-composite",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": false,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+        "sourceMap": true,
+    },
+    "files": [ "src/index.ts", "src/hello.json", ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_sourcemap_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_sourcemap_test.go
new file mode 100644
index 00000000000..bbeca60fc6c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_sourcemap_test.go
@@ -0,0 +1,44 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_sourcemap(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "sourcemap",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+        "outDir": "dist",
+        "skipDefaultLibCheck": true,
+        "sourceMap": true,
+    },
+    "files": [ "src/index.ts", "src/hello.json", ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_without_outDir_non_composite_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_without_outDir_non_composite_test.go
new file mode 100644
index 00000000000..6bb11ba1780
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_without_outDir_non_composite_test.go
@@ -0,0 +1,44 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_without_outDir_non_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "without outDir non-composite",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": false,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+
+        "skipDefaultLibCheck": true,
+
+    },
+    "files": [ "src/index.ts", "src/hello.json", ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_without_outDir_test.go b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_without_outDir_test.go
new file mode 100644
index 00000000000..3c7a4734164
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_resolveJsonModule_without_outDir_test.go
@@ -0,0 +1,44 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_resolveJsonModule_without_outDir(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "resolveJsonModule",
+		SubScenario:     "without outDir",
+		CommandLineArgs: []string{"--b", "project", "--v", "--explainFiles", "--listEmittedFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/src/hello.json": `{
+    "hello": "world"
+}`,
+			"/home/src/workspaces/solution/project/src/index.ts": `import hello from "./hello.json"
+export default hello.hello`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "module": "commonjs",
+        "resolveJsonModule": true,
+        "esModuleInterop": true,
+        "allowSyntheticDefaultImports": true,
+
+        "skipDefaultLibCheck": true,
+
+    },
+    "files": [ "src/index.ts", "src/hello.json", ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_roots_when_consecutive_and_non_consecutive_are_mixed_test.go b/internal/execute/tsctests/tests/tsbuild_roots_when_consecutive_and_non_consecutive_are_mixed_test.go
new file mode 100644
index 00000000000..154afad879f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_roots_when_consecutive_and_non_consecutive_are_mixed_test.go
@@ -0,0 +1,47 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_roots_when_consecutive_and_non_consecutive_are_mixed(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "roots",
+		SubScenario:     "when consecutive and non consecutive are mixed",
+		CommandLineArgs: []string{"--b", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/anotherNonConsecutive.ts": `import { random } from "./random2";
+export const nonConsecutive = "hello";`,
+			"/home/src/workspaces/project/asArray1.ts": `import { random } from "./random1";
+export const x = "hello";`,
+			"/home/src/workspaces/project/asArray2.ts": "export const x = \"hello\";",
+			"/home/src/workspaces/project/asArray3.ts": "export const x = \"hello\";",
+			"/home/src/workspaces/project/file1.ts":    "export const x = \"hello\";",
+			"/home/src/workspaces/project/file2.ts":    "export const y = \"world\";",
+			"/home/src/workspaces/project/nonconsecutive.ts": `import { random } from "./random";
+    export const nonConsecutive = "hello";`,
+			"/home/src/workspaces/project/random.d.ts":  "export const random = \"hello\";",
+			"/home/src/workspaces/project/random1.d.ts": "export const random = \"hello\";",
+			"/home/src/workspaces/project/random2.d.ts": "export const random = \"hello\";",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "include": ["file*.ts", "nonconsecutive*.ts", "asArray*.ts", "anotherNonConsecutive.ts"],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete file1",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/file1.d.ts")
+			sys.Remove("/home/src/workspaces/project/file1.js")
+			sys.Remove("/home/src/workspaces/project/file1.ts")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_roots_when_files_are_not_consecutive_test.go b/internal/execute/tsctests/tests/tsbuild_roots_when_files_are_not_consecutive_test.go
new file mode 100644
index 00000000000..89dc86a4d9b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_roots_when_files_are_not_consecutive_test.go
@@ -0,0 +1,38 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_roots_when_files_are_not_consecutive(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "roots",
+		SubScenario:     "when files are not consecutive",
+		CommandLineArgs: []string{"--b", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/file1.ts": "export const x = \"hello\";",
+			"/home/src/workspaces/project/file2.ts": `import { random } from "./random";
+export const y = "world";`,
+			"/home/src/workspaces/project/random.d.ts": "export const random = \"world\";",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "include": ["file*.ts"],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete file1",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/file1.d.ts")
+			sys.Remove("/home/src/workspaces/project/file1.js")
+			sys.Remove("/home/src/workspaces/project/file1.ts")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_roots_when_multiple_root_files_are_consecutive_test.go b/internal/execute/tsctests/tests/tsbuild_roots_when_multiple_root_files_are_consecutive_test.go
new file mode 100644
index 00000000000..cc3fd710612
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_roots_when_multiple_root_files_are_consecutive_test.go
@@ -0,0 +1,38 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_roots_when_multiple_root_files_are_consecutive(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "roots",
+		SubScenario:     "when multiple root files are consecutive",
+		CommandLineArgs: []string{"--b", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/file1.ts": "export const x = \"hello\";",
+			"/home/src/workspaces/project/file2.ts": "export const y = \"world\";",
+			"/home/src/workspaces/project/file3.ts": "export const y = \"world\";",
+			"/home/src/workspaces/project/file4.ts": "export const y = \"world\";",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "include": ["*.ts"],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete file1",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/file1.d.ts")
+			sys.Remove("/home/src/workspaces/project/file1.js")
+			sys.Remove("/home/src/workspaces/project/file1.ts")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_roots_when_root_file_is_from_referenced_project_and_shared_is_first_test.go b/internal/execute/tsctests/tests/tsbuild_roots_when_root_file_is_from_referenced_project_and_shared_is_first_test.go
new file mode 100644
index 00000000000..97676573df6
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_roots_when_root_file_is_from_referenced_project_and_shared_is_first_test.go
@@ -0,0 +1,89 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_roots_when_root_file_is_from_referenced_project_and_shared_is_first(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "roots",
+		SubScenario:     "when root file is from referenced project and shared is first",
+		CommandLineArgs: []string{"--b", "projects/server", "-v", "--traceResolution", "--explainFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/projects/server/src/server.ts": `import { MyClass } from ':shared/myClass.js';
+console.log('Hello, world!');`,
+			"/home/src/workspaces/solution/projects/server/tsconfig.json": `{
+    "extends": "../../tsconfig.json",
+    "compilerOptions": {
+        "rootDir": "..",
+        "outDir": "./dist",
+        "paths": {
+            ":shared/*": ["./src/../../shared/src/*"],
+        },
+    },
+    "include": [ "../shared/src/**/*.ts", "src/**/*.ts" ],
+    "references": [
+        { "path": "../shared" },
+    ],
+}`,
+			"/home/src/workspaces/solution/projects/shared/src/logging.ts": `export function log(str: string) {
+    console.log(str);
+}`,
+			"/home/src/workspaces/solution/projects/shared/src/myClass.ts": "export class MyClass { }",
+			"/home/src/workspaces/solution/projects/shared/src/random.ts": `export function randomFn(str: string) {
+    console.log(str);
+}`,
+			"/home/src/workspaces/solution/projects/shared/tsconfig.json": `{
+    "extends": "../../tsconfig.json",
+    "compilerOptions": {
+        "outDir": "./dist",
+    },
+    "include": ["src/**/*.ts"],
+}`,
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    },
+    "references": [
+        { "path": "projects/server" },
+        { "path": "projects/shared" },
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "edit logging file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/projects/shared/src/logging.ts", `export function log(str: string) {
+    console.log(str);
+}export const x = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete random file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/solution/projects/shared/src/random.ts")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_roots_when_root_file_is_from_referenced_project_test.go b/internal/execute/tsctests/tests/tsbuild_roots_when_root_file_is_from_referenced_project_test.go
new file mode 100644
index 00000000000..775145529af
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_roots_when_root_file_is_from_referenced_project_test.go
@@ -0,0 +1,89 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_roots_when_root_file_is_from_referenced_project(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "roots",
+		SubScenario:     "when root file is from referenced project",
+		CommandLineArgs: []string{"--b", "projects/server", "-v", "--traceResolution", "--explainFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/projects/server/src/server.ts": `import { MyClass } from ':shared/myClass.js';
+console.log('Hello, world!');`,
+			"/home/src/workspaces/solution/projects/server/tsconfig.json": `{
+    "extends": "../../tsconfig.json",
+    "compilerOptions": {
+        "rootDir": "..",
+        "outDir": "./dist",
+        "paths": {
+            ":shared/*": ["./src/../../shared/src/*"],
+        },
+    },
+    "include": [ "src/**/*.ts", "../shared/src/**/*.ts" ],
+    "references": [
+        { "path": "../shared" },
+    ],
+}`,
+			"/home/src/workspaces/solution/projects/shared/src/logging.ts": `export function log(str: string) {
+    console.log(str);
+}`,
+			"/home/src/workspaces/solution/projects/shared/src/myClass.ts": "export class MyClass { }",
+			"/home/src/workspaces/solution/projects/shared/src/random.ts": `export function randomFn(str: string) {
+    console.log(str);
+}`,
+			"/home/src/workspaces/solution/projects/shared/tsconfig.json": `{
+    "extends": "../../tsconfig.json",
+    "compilerOptions": {
+        "outDir": "./dist",
+    },
+    "include": ["src/**/*.ts"],
+}`,
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    },
+    "references": [
+        { "path": "projects/server" },
+        { "path": "projects/shared" },
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "edit logging file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/projects/shared/src/logging.ts", `export function log(str: string) {
+    console.log(str);
+}export const x = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete random file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/solution/projects/shared/src/random.ts")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_roots_when_two_root_files_are_consecutive_test.go b/internal/execute/tsctests/tests/tsbuild_roots_when_two_root_files_are_consecutive_test.go
new file mode 100644
index 00000000000..1e2bc422093
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_roots_when_two_root_files_are_consecutive_test.go
@@ -0,0 +1,36 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_roots_when_two_root_files_are_consecutive(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "roots",
+		SubScenario:     "when two root files are consecutive",
+		CommandLineArgs: []string{"--b", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/file1.ts": "export const x = \"hello\";",
+			"/home/src/workspaces/project/file2.ts": "export const y = \"world\";",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "include": ["*.ts"],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete file1",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/file1.d.ts")
+			sys.Remove("/home/src/workspaces/project/file1.js")
+			sys.Remove("/home/src/workspaces/project/file1.ts")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_always_builds_under_with_force_option_test.go b/internal/execute/tsctests/tests/tsbuild_sample_always_builds_under_with_force_option_test.go
new file mode 100644
index 00000000000..546ef3a1fc5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_always_builds_under_with_force_option_test.go
@@ -0,0 +1,76 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_always_builds_under_with_force_option(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "always builds under with force option",
+		CommandLineArgs: []string{"--b", "tests", "--force"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_building_project_in_not_build_order_doesnt_throw_error_test.go b/internal/execute/tsctests/tests/tsbuild_sample_building_project_in_not_build_order_doesnt_throw_error_test.go
new file mode 100644
index 00000000000..73d5fe2cf2b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_building_project_in_not_build_order_doesnt_throw_error_test.go
@@ -0,0 +1,72 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_building_project_in_not_build_order_doesnt_throw_error(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "building project in not build order doesnt throw error",
+		CommandLineArgs: []string{"--b", "logic2/tsconfig.json", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_builds_correctly_when_declarationDir_is_specified_test.go b/internal/execute/tsctests/tests/tsbuild_sample_builds_correctly_when_declarationDir_is_specified_test.go
new file mode 100644
index 00000000000..163a840a0fb
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_builds_correctly_when_declarationDir_is_specified_test.go
@@ -0,0 +1,72 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_builds_correctly_when_declarationDir_is_specified(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "builds correctly when declarationDir is specified",
+		CommandLineArgs: []string{"--b", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "declarationDir": "out/decls",
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_builds_correctly_when_outDir_is_specified_test.go b/internal/execute/tsctests/tests/tsbuild_sample_builds_correctly_when_outDir_is_specified_test.go
new file mode 100644
index 00000000000..b3db5254e29
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_builds_correctly_when_outDir_is_specified_test.go
@@ -0,0 +1,72 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_builds_correctly_when_outDir_is_specified(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "builds correctly when outDir is specified",
+		CommandLineArgs: []string{"--b", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "outDir": "outDir",
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_builds_correctly_when_project_is_not_composite_or_doesnt_have_any_references_test.go b/internal/execute/tsctests/tests/tsbuild_sample_builds_correctly_when_project_is_not_composite_or_doesnt_have_any_references_test.go
new file mode 100644
index 00000000000..5039b7c2643
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_builds_correctly_when_project_is_not_composite_or_doesnt_have_any_references_test.go
@@ -0,0 +1,72 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_builds_correctly_when_project_is_not_composite_or_doesnt_have_any_references(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "builds correctly when project is not composite or doesnt have any references",
+		CommandLineArgs: []string{"--b", "core", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_builds_downstream_projects_even_if_upstream_projects_have_errors_test.go b/internal/execute/tsctests/tests/tsbuild_sample_builds_downstream_projects_even_if_upstream_projects_have_errors_test.go
new file mode 100644
index 00000000000..cbbf478a596
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_builds_downstream_projects_even_if_upstream_projects_have_errors_test.go
@@ -0,0 +1,76 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_builds_downstream_projects_even_if_upstream_projects_have_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "builds downstream projects even if upstream projects have errors",
+		CommandLineArgs: []string{"--b", "tests", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.muitply();
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_can_detect_when_and_what_to_rebuild_test.go b/internal/execute/tsctests/tests/tsbuild_sample_can_detect_when_and_what_to_rebuild_test.go
new file mode 100644
index 00000000000..ada52b4ed9f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_can_detect_when_and_what_to_rebuild_test.go
@@ -0,0 +1,110 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_can_detect_when_and_what_to_rebuild(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "can detect when and what to rebuild",
+		CommandLineArgs: []string{"--b", "tests", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Only builds the leaf node project",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/tests/index.ts", "const m = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Detects type-only changes in upstream projects",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "WELCOME PLANET";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "rebuilds when tsconfig changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/tests/tsconfig.json", `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true, "target": "es2020",
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_cleaning_project_in_not_build_order_doesnt_throw_error_test.go b/internal/execute/tsctests/tests/tsbuild_sample_cleaning_project_in_not_build_order_doesnt_throw_error_test.go
new file mode 100644
index 00000000000..e646bee830d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_cleaning_project_in_not_build_order_doesnt_throw_error_test.go
@@ -0,0 +1,72 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_cleaning_project_in_not_build_order_doesnt_throw_error(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "cleaning project in not build order doesnt throw error",
+		CommandLineArgs: []string{"--b", "logic2", "--clean"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_does_not_write_any_files_in_a_dry_build_test.go b/internal/execute/tsctests/tests/tsbuild_sample_does_not_write_any_files_in_a_dry_build_test.go
new file mode 100644
index 00000000000..667549437aa
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_does_not_write_any_files_in_a_dry_build_test.go
@@ -0,0 +1,72 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_does_not_write_any_files_in_a_dry_build(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "does not write any files in a dry build",
+		CommandLineArgs: []string{"--b", "tests", "--dry"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_explainFiles_test.go b/internal/execute/tsctests/tests/tsbuild_sample_explainFiles_test.go
new file mode 100644
index 00000000000..436b9bad66f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_explainFiles_test.go
@@ -0,0 +1,97 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_explainFiles(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "explainFiles",
+		CommandLineArgs: []string{"--b", "tests", "--explainFiles", "--v"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+export class someClass { }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-doesnt-change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+export class someClass { }
+class someClass2 { }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_indicates_that_it_would_skip_builds_during_a_dry_build_test.go b/internal/execute/tsctests/tests/tsbuild_sample_indicates_that_it_would_skip_builds_during_a_dry_build_test.go
new file mode 100644
index 00000000000..5256a9cc57b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_indicates_that_it_would_skip_builds_during_a_dry_build_test.go
@@ -0,0 +1,77 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_indicates_that_it_would_skip_builds_during_a_dry_build(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "indicates that it would skip builds during a dry build",
+		CommandLineArgs: []string{"--b", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "--dry",
+		CommandLineArgs: []string{"--b", "tests", "--dry"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_listEmittedFiles_test.go b/internal/execute/tsctests/tests/tsbuild_sample_listEmittedFiles_test.go
new file mode 100644
index 00000000000..114c44ce59d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_listEmittedFiles_test.go
@@ -0,0 +1,97 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_listEmittedFiles(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "listEmittedFiles",
+		CommandLineArgs: []string{"--b", "tests", "--listEmittedFiles"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+export class someClass { }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-doesnt-change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+export class someClass { }
+class someClass2 { }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_listFiles_test.go b/internal/execute/tsctests/tests/tsbuild_sample_listFiles_test.go
new file mode 100644
index 00000000000..a6d85a0a40b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_listFiles_test.go
@@ -0,0 +1,97 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_listFiles(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "listFiles",
+		CommandLineArgs: []string{"--b", "tests", "--listFiles"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+export class someClass { }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-doesnt-change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+export class someClass { }
+class someClass2 { }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_rebuilds_completely_when_version_in_tsbuildinfo_doesnt_match_ts_version_test.go b/internal/execute/tsctests/tests/tsbuild_sample_rebuilds_completely_when_version_in_tsbuildinfo_doesnt_match_ts_version_test.go
new file mode 100644
index 00000000000..68bae73bcc1
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_rebuilds_completely_when_version_in_tsbuildinfo_doesnt_match_ts_version_test.go
@@ -0,0 +1,81 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_rebuilds_completely_when_version_in_tsbuildinfo_doesnt_match_ts_version(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "rebuilds completely when version in tsbuildinfo doesnt match ts version",
+		CommandLineArgs: []string{"--b", "tests", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "convert tsbuildInfo version to something that is say to previous version",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/tsconfig.tsbuildinfo", "{\"version\":\"FakeTsPreviousVersion\",\"root\":[[2,4]],\"fileNames\":[\"lib.es2025.full.d.ts\",\"./anotherModule.ts\",\"./index.ts\",\"./some_decl.d.ts\"],\"fileInfos\":[{\"version\":\"8859c12c614ce56ba9a18e58384a198f-/// <reference no-default-lib=\\\"true\\\"/>\\ninterface Boolean {}\\ninterface Function {}\\ninterface CallableFunction {}\\ninterface NewableFunction {}\\ninterface IArguments {}\\ninterface Number { toExponential: any; }\\ninterface Object {}\\ninterface RegExp {}\\ninterface String { charAt: any; }\\ninterface Array<T> { length: number; [n: number]: T; }\\ninterface ReadonlyArray<T> {}\\ninterface SymbolConstructor {\\n    (desc?: string | number): symbol;\\n    for(name: string): symbol;\\n    readonly toStringTag: symbol;\\n}\\ndeclare var Symbol: SymbolConstructor;\\ninterface Symbol {\\n    readonly [Symbol.toStringTag]: string;\\n}\\ndeclare const console: { log(msg: any): void; };\",\"affectsGlobalScope\":true,\"impliedNodeFormat\":1},{\"version\":\"19cd44ed7278957051fca663f821c916-export const World = \\\"hello\\\";\",\"signature\":\"5aad0de3e7b08bb6e110c7b97361b89e-export declare const World = \\\"hello\\\";\\n\",\"impliedNodeFormat\":1},{\"version\":\"2753a1085d587a7d57069e1105af24ec-export const someString: string = \\\"HELLO WORLD\\\";\\nexport function leftPad(s: string, n: number) { return s + n; }\\nexport function multiply(a: number, b: number) { return a * b; }\",\"signature\":\"da642d80443e7ccd327091080a82a43c-export declare const someString: string;\\nexport declare function leftPad(s: string, n: number): string;\\nexport declare function multiply(a: number, b: number): number;\\n\",\"impliedNodeFormat\":1},{\"version\":\"6ceab83400a6167be2fb5feab881ded0-declare const dts: any;\",\"affectsGlobalScope\":true,\"impliedNodeFormat\":1}],\"options\":{\"composite\":true,\"declaration\":true,\"declarationMap\":true,\"skipDefaultLibCheck\":true},\"latestChangedDtsFile\":\"./index.d.ts\"}")
+			sys.WriteFile("/user/username/projects/sample1/logic/tsconfig.tsbuildinfo", "{\"version\":\"FakeTsPreviousVersion\",\"root\":[4],\"fileNames\":[\"lib.es2025.full.d.ts\",\"../core/index.d.ts\",\"../core/anotherModule.d.ts\",\"./index.ts\"],\"fileInfos\":[{\"version\":\"8859c12c614ce56ba9a18e58384a198f-/// <reference no-default-lib=\\\"true\\\"/>\\ninterface Boolean {}\\ninterface Function {}\\ninterface CallableFunction {}\\ninterface NewableFunction {}\\ninterface IArguments {}\\ninterface Number { toExponential: any; }\\ninterface Object {}\\ninterface RegExp {}\\ninterface String { charAt: any; }\\ninterface Array<T> { length: number; [n: number]: T; }\\ninterface ReadonlyArray<T> {}\\ninterface SymbolConstructor {\\n    (desc?: string | number): symbol;\\n    for(name: string): symbol;\\n    readonly toStringTag: symbol;\\n}\\ndeclare var Symbol: SymbolConstructor;\\ninterface Symbol {\\n    readonly [Symbol.toStringTag]: string;\\n}\\ndeclare const console: { log(msg: any): void; };\",\"affectsGlobalScope\":true,\"impliedNodeFormat\":1},\"fc70810d80f598d415c6f21c113a400b-export declare const someString: string;\\nexport declare function leftPad(s: string, n: number): string;\\nexport declare function multiply(a: number, b: number): number;\\n//# sourceMappingURL=index.d.ts.map\",\"5ef600f6f6585506cfe942fc161e76c5-export declare const World = \\\"hello\\\";\\n//# sourceMappingURL=anotherModule.d.ts.map\",{\"version\":\"590556060bc156a64834010df8cda255-import * as c from '../core/index';\\nexport function getSecondsInDay() {\\n    return c.multiply(10, 15);\\n}\\nimport * as mod from '../core/anotherModule';\\nexport const m = mod;\",\"signature\":\"487f7216384ec40e22ff7dc40c01be4b-export declare function getSecondsInDay(): number;\\nimport * as mod from '../core/anotherModule';\\nexport declare const m: typeof mod;\\n\",\"impliedNodeFormat\":1}],\"fileIdsList\":[[2,3]],\"options\":{\"composite\":true,\"declaration\":true,\"skipDefaultLibCheck\":true,\"sourceMap\":true},\"referencedMap\":[[4,1]],\"latestChangedDtsFile\":\"./index.d.ts\"}")
+			sys.WriteFile("/user/username/projects/sample1/tests/tsconfig.tsbuildinfo", "{\"version\":\"FakeTsPreviousVersion\",\"root\":[5],\"fileNames\":[\"lib.es2025.full.d.ts\",\"../core/index.d.ts\",\"../core/anotherModule.d.ts\",\"../logic/index.d.ts\",\"./index.ts\"],\"fileInfos\":[{\"version\":\"8859c12c614ce56ba9a18e58384a198f-/// <reference no-default-lib=\\\"true\\\"/>\\ninterface Boolean {}\\ninterface Function {}\\ninterface CallableFunction {}\\ninterface NewableFunction {}\\ninterface IArguments {}\\ninterface Number { toExponential: any; }\\ninterface Object {}\\ninterface RegExp {}\\ninterface String { charAt: any; }\\ninterface Array<T> { length: number; [n: number]: T; }\\ninterface ReadonlyArray<T> {}\\ninterface SymbolConstructor {\\n    (desc?: string | number): symbol;\\n    for(name: string): symbol;\\n    readonly toStringTag: symbol;\\n}\\ndeclare var Symbol: SymbolConstructor;\\ninterface Symbol {\\n    readonly [Symbol.toStringTag]: string;\\n}\\ndeclare const console: { log(msg: any): void; };\",\"affectsGlobalScope\":true,\"impliedNodeFormat\":1},\"fc70810d80f598d415c6f21c113a400b-export declare const someString: string;\\nexport declare function leftPad(s: string, n: number): string;\\nexport declare function multiply(a: number, b: number): number;\\n//# sourceMappingURL=index.d.ts.map\",\"5ef600f6f6585506cfe942fc161e76c5-export declare const World = \\\"hello\\\";\\n//# sourceMappingURL=anotherModule.d.ts.map\",\"487f7216384ec40e22ff7dc40c01be4b-export declare function getSecondsInDay(): number;\\nimport * as mod from '../core/anotherModule';\\nexport declare const m: typeof mod;\\n\",{\"version\":\"7fa4162f733e6b9e7f7d9d9410e62f61-import * as c from '../core/index';\\nimport * as logic from '../logic/index';\\n\\nc.leftPad(\\\"\\\", 10);\\nlogic.getSecondsInDay();\\n\\nimport * as mod from '../core/anotherModule';\\nexport const m = mod;\",\"signature\":\"4b3c99afe665034856f74c660f74d6fd-import * as mod from '../core/anotherModule';\\nexport declare const m: typeof mod;\\n\",\"impliedNodeFormat\":1}],\"fileIdsList\":[[3],[2,3,4]],\"options\":{\"composite\":true,\"declaration\":true,\"skipDefaultLibCheck\":true},\"referencedMap\":[[4,1],[5,2]],\"latestChangedDtsFile\":\"./index.d.ts\"}")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_rebuilds_from_start_if_force_option_is_set_test.go b/internal/execute/tsctests/tests/tsbuild_sample_rebuilds_from_start_if_force_option_is_set_test.go
new file mode 100644
index 00000000000..265b3e33599
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_rebuilds_from_start_if_force_option_is_set_test.go
@@ -0,0 +1,77 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_rebuilds_from_start_if_force_option_is_set(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "rebuilds from start if force option is set",
+		CommandLineArgs: []string{"--b", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "--force build",
+		CommandLineArgs: []string{"--b", "tests", "--verbose", "--force"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_rebuilds_when_extended_config_file_changes_test.go b/internal/execute/tsctests/tests/tsbuild_sample_rebuilds_when_extended_config_file_changes_test.go
new file mode 100644
index 00000000000..0e3c149ac8d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_rebuilds_when_extended_config_file_changes_test.go
@@ -0,0 +1,86 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_rebuilds_when_extended_config_file_changes(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "rebuilds when extended config file changes",
+		CommandLineArgs: []string{"--b", "tests", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.base.json": `{
+    "compilerOptions": {
+        "target": "es5"
+    }
+}`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "extends": "./tsconfig.base.json", "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change extended file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/tests/tsconfig.base.json", `{
+    "compilerOptions": { }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_removes_all_files_it_built_test.go b/internal/execute/tsctests/tests/tsbuild_sample_removes_all_files_it_built_test.go
new file mode 100644
index 00000000000..95b5327f82f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_removes_all_files_it_built_test.go
@@ -0,0 +1,82 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_removes_all_files_it_built(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "removes all files it built",
+		CommandLineArgs: []string{"--b", "tests"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "removes all files it built",
+		CommandLineArgs: []string{"--b", "tests", "--clean"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "no change --clean",
+		CommandLineArgs: []string{"--b", "tests", "--clean"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_reports_error_if_input_file_is_missing_test.go b/internal/execute/tsctests/tests/tsbuild_sample_reports_error_if_input_file_is_missing_test.go
new file mode 100644
index 00000000000..9a7e2b866b3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_reports_error_if_input_file_is_missing_test.go
@@ -0,0 +1,67 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_reports_error_if_input_file_is_missing(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "reports error if input file is missing",
+		CommandLineArgs: []string{"--b", "tests", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+     "compilerOptions": { "composite": true },
+     "files": ["anotherModule.ts", "index.ts", "some_decl.d.ts"],
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_reports_error_if_input_file_is_missing_with_force_test.go b/internal/execute/tsctests/tests/tsbuild_sample_reports_error_if_input_file_is_missing_with_force_test.go
new file mode 100644
index 00000000000..84657ec0493
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_reports_error_if_input_file_is_missing_with_force_test.go
@@ -0,0 +1,67 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_reports_error_if_input_file_is_missing_with_force(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "reports error if input file is missing with force",
+		CommandLineArgs: []string{"--b", "tests", "--verbose", "--force"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+     "compilerOptions": { "composite": true },
+     "files": ["anotherModule.ts", "index.ts", "some_decl.d.ts"],
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_sample_test.go b/internal/execute/tsctests/tests/tsbuild_sample_sample_test.go
new file mode 100644
index 00000000000..a1239561e9a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_sample_test.go
@@ -0,0 +1,119 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_sample(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "sample",
+		CommandLineArgs: []string{"--b", "tests", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+export class someClass { }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-doesnt-change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }
+export class someClass { }
+class someClass2 { }`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "when logic config changes declaration dir",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/logic/tsconfig.json", `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationDir": "decls",
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_test.go b/internal/execute/tsctests/tests/tsbuild_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_test.go
new file mode 100644
index 00000000000..52baf886b7a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_test.go
@@ -0,0 +1,85 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "skips builds downstream projects if upstream projects have errors with stopBuildOnErrors",
+		CommandLineArgs: []string{"--b", "tests", "--verbose", "--stopBuildOnErrors"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }multiply();`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_when_test_does_not_reference_core_test.go b/internal/execute/tsctests/tests/tsbuild_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_when_test_does_not_reference_core_test.go
new file mode 100644
index 00000000000..5417cc58172
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_when_test_does_not_reference_core_test.go
@@ -0,0 +1,84 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_skips_builds_downstream_projects_if_upstream_projects_have_errors_with_stopBuildOnErrors_when_test_does_not_reference_core(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "skips builds downstream projects if upstream projects have errors with stopBuildOnErrors when test does not reference core",
+		CommandLineArgs: []string{"--b", "tests", "--verbose", "--stopBuildOnErrors"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }multiply();`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_tsbuildinfo_has_error_test.go b/internal/execute/tsctests/tests/tsbuild_sample_tsbuildinfo_has_error_test.go
new file mode 100644
index 00000000000..51b68025bd9
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_tsbuildinfo_has_error_test.go
@@ -0,0 +1,31 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_tsbuildinfo_has_error(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "tsbuildinfo has error",
+		CommandLineArgs: []string{"--b", "-i", "-v"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/main.ts":              "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json":        "{}",
+			"/home/src/workspaces/project/tsconfig.tsbuildinfo": "Some random string",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "tsbuildinfo written has error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.tsbuildinfo", "Some random string{\"version\":\"FakeTSVersion\",\"root\":[2],\"fileNames\":[\"lib.es2025.full.d.ts\",\"./main.ts\"],\"fileInfos\":[{\"version\":\"8859c12c614ce56ba9a18e58384a198f-/// <reference no-default-lib=\\\"true\\\"/>\\ninterface Boolean {}\\ninterface Function {}\\ninterface CallableFunction {}\\ninterface NewableFunction {}\\ninterface IArguments {}\\ninterface Number { toExponential: any; }\\ninterface Object {}\\ninterface RegExp {}\\ninterface String { charAt: any; }\\ninterface Array<T> { length: number; [n: number]: T; }\\ninterface ReadonlyArray<T> {}\\ninterface SymbolConstructor {\\n    (desc?: string | number): symbol;\\n    for(name: string): symbol;\\n    readonly toStringTag: symbol;\\n}\\ndeclare var Symbol: SymbolConstructor;\\ninterface Symbol {\\n    readonly [Symbol.toStringTag]: string;\\n}\\ndeclare const console: { log(msg: any): void; };\",\"affectsGlobalScope\":true,\"impliedNodeFormat\":1},\"28e8748a7acd58f4f59388926e914f86-export const x = 10;\"]}")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_when_declarationMap_changes_test.go b/internal/execute/tsctests/tests/tsbuild_sample_when_declarationMap_changes_test.go
new file mode 100644
index 00000000000..2659ded998a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_when_declarationMap_changes_test.go
@@ -0,0 +1,100 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_when_declarationMap_changes(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "when declarationMap changes",
+		CommandLineArgs: []string{"--b", "tests", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Disable declarationMap",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/tsconfig.json", `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": false,
+        "skipDefaultLibCheck": true,
+    },
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Enable declarationMap",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/tsconfig.json", `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_when_declaration_option_changes_test.go b/internal/execute/tsctests/tests/tsbuild_sample_when_declaration_option_changes_test.go
new file mode 100644
index 00000000000..c81127fb242
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_when_declaration_option_changes_test.go
@@ -0,0 +1,82 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_when_declaration_option_changes(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "when declaration option changes",
+		CommandLineArgs: []string{"--b", "core", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true, "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_when_esModuleInterop_option_changes_test.go b/internal/execute/tsctests/tests/tsbuild_sample_when_esModuleInterop_option_changes_test.go
new file mode 100644
index 00000000000..143229d3850
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_when_esModuleInterop_option_changes_test.go
@@ -0,0 +1,92 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_when_esModuleInterop_option_changes(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "when esModuleInterop option changes",
+		CommandLineArgs: []string{"--b", "tests", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+        "esModuleInterop": false,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/tests/tsconfig.json", `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+        "esModuleInterop": true,
+    },
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_when_input_file_text_does_not_change_but_its_modified_time_changes_test.go b/internal/execute/tsctests/tests/tsbuild_sample_when_input_file_text_does_not_change_but_its_modified_time_changes_test.go
new file mode 100644
index 00000000000..700a9787988
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_when_input_file_text_does_not_change_but_its_modified_time_changes_test.go
@@ -0,0 +1,81 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_when_input_file_text_does_not_change_but_its_modified_time_changes(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "when input file text does not change but its modified time changes",
+		CommandLineArgs: []string{"--b", "tests", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "upstream project changes without changing file text",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/index.ts", `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_when_logic_specifies_tsBuildInfoFile_test.go b/internal/execute/tsctests/tests/tsbuild_sample_when_logic_specifies_tsBuildInfoFile_test.go
new file mode 100644
index 00000000000..d517ec412a3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_when_logic_specifies_tsBuildInfoFile_test.go
@@ -0,0 +1,73 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_when_logic_specifies_tsBuildInfoFile(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "when logic specifies tsBuildInfoFile",
+		CommandLineArgs: []string{"--b", "tests", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    "tsBuildInfoFile": "ownFile.tsbuildinfo",
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_when_module_option_changes_test.go b/internal/execute/tsctests/tests/tsbuild_sample_when_module_option_changes_test.go
new file mode 100644
index 00000000000..07e77876a37
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_when_module_option_changes_test.go
@@ -0,0 +1,82 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_when_module_option_changes(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "when module option changes",
+		CommandLineArgs: []string{"--b", "core", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "module": "node18",
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "module": "nodenext",
+    },
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_sample_when_target_option_changes_test.go b/internal/execute/tsctests/tests/tsbuild_sample_when_target_option_changes_test.go
new file mode 100644
index 00000000000..747d63c3ea9
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_sample_when_target_option_changes_test.go
@@ -0,0 +1,90 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_sample_when_target_option_changes(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "sample",
+		SubScenario:     "when target option changes",
+		CommandLineArgs: []string{"--b", "core", "--verbose"},
+		Cwd:             "/user/username/projects/sample1",
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.d.ts": `/// <reference no-default-lib="true"/>
+/// <reference lib="esnext" />`,
+			"/home/src/tslibs/TS/Lib/lib.esnext.full.d.ts": `/// <reference no-default-lib="true"/>
+/// <reference lib="esnext" />`,
+			"/user/username/projects/sample1/core/anotherModule.ts": "export const World = \"hello\";",
+			"/user/username/projects/sample1/core/index.ts": `export const someString: string = "HELLO WORLD";
+export function leftPad(s: string, n: number) { return s + n; }
+export function multiply(a: number, b: number) { return a * b; }`,
+			"/user/username/projects/sample1/core/some_decl.d.ts": "declare const dts: any;",
+			"/user/username/projects/sample1/core/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "listFiles": true,
+        "listEmittedFiles": true,
+        "target": "esnext",
+    },
+}`,
+			"/user/username/projects/sample1/logic/index.ts": `import * as c from '../core/index';
+export function getSecondsInDay() {
+    return c.multiply(10, 15);
+}
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/logic/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "sourceMap": true,
+        "skipDefaultLibCheck": true,
+    },
+    "references": [
+        { "path": "../core" },
+    ],
+}`,
+			"/user/username/projects/sample1/tests/index.ts": `import * as c from '../core/index';
+import * as logic from '../logic/index';
+
+c.leftPad("", 10);
+logic.getSecondsInDay();
+
+import * as mod from '../core/anotherModule';
+export const m = mod;`,
+			"/user/username/projects/sample1/tests/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+        { "path": "../logic" },
+    ],
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "incremental-declaration-changes",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/sample1/core/tsconfig.json", `{
+    "compilerOptions": {
+        "incremental": true,
+        "listFiles": true,
+        "listEmittedFiles": true,
+        "target": "es5",
+    },
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_solution_does_not_have_empty_files_diagnostic_when_files_is_empty_and_references_are_provided_test.go b/internal/execute/tsctests/tests/tsbuild_solution_does_not_have_empty_files_diagnostic_when_files_is_empty_and_references_are_provided_test.go
new file mode 100644
index 00000000000..ae454e5016b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_solution_does_not_have_empty_files_diagnostic_when_files_is_empty_and_references_are_provided_test.go
@@ -0,0 +1,43 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_solution_does_not_have_empty_files_diagnostic_when_files_is_empty_and_references_are_provided(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "solution",
+		SubScenario:     "does not have empty files diagnostic when files is empty and references are provided",
+		CommandLineArgs: []string{"--b", "with-references"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/core/index.ts": "export function multiply(a: number, b: number) { return a * b; }",
+			"/home/src/workspaces/solution/core/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "declarationMap": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+			"/home/src/workspaces/solution/with-references/tsconfig.json": `{
+    "references": [
+        { "path": "../core" },
+    ],
+    "files": [],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "forceConsistentCasingInFileNames": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_solution_has_empty_files_diagnostic_when_files_is_empty_and_no_references_are_provided_test.go b/internal/execute/tsctests/tests/tsbuild_solution_has_empty_files_diagnostic_when_files_is_empty_and_no_references_are_provided_test.go
new file mode 100644
index 00000000000..a63a6fb1943
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_solution_has_empty_files_diagnostic_when_files_is_empty_and_no_references_are_provided_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_solution_has_empty_files_diagnostic_when_files_is_empty_and_no_references_are_provided(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "solution",
+		SubScenario:     "has empty files diagnostic when files is empty and no references are provided",
+		CommandLineArgs: []string{"--b", "no-references"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/no-references/tsconfig.json": `{
+    "references": [],
+    "files": [],
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "forceConsistentCasingInFileNames": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_solution_verify_that_subsequent_builds_after_initial_build_doesnt_build_anything_test.go b/internal/execute/tsctests/tests/tsbuild_solution_verify_that_subsequent_builds_after_initial_build_doesnt_build_anything_test.go
new file mode 100644
index 00000000000..eb616813368
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_solution_verify_that_subsequent_builds_after_initial_build_doesnt_build_anything_test.go
@@ -0,0 +1,70 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_solution_verify_that_subsequent_builds_after_initial_build_doesnt_build_anything(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "solution",
+		SubScenario:     "verify that subsequent builds after initial build doesnt build anything",
+		CommandLineArgs: []string{"--b", "--v"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/src/folder/index.ts": "export const x = 10;",
+			"/home/src/workspaces/solution/src/folder/tsconfig.json": `{
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+			"/home/src/workspaces/solution/src/folder2/index.ts": "export const x = 10;",
+			"/home/src/workspaces/solution/src/folder2/tsconfig.json": `{
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+			"/home/src/workspaces/solution/src/tsconfig.json": `    {
+        "files": [],
+        "compilerOptions": {
+            "composite": true
+        },
+        "references": [
+            { "path": "./folder" },
+            { "path": "./folder2" },
+        ]
+}`,
+			"/home/src/workspaces/solution/tests/index.ts": "export const x = 10;",
+			"/home/src/workspaces/solution/tests/tsconfig.json": `{
+    "files": ["index.ts"],
+    "compilerOptions": {
+        "composite": true
+    },
+    "references": [
+        { "path": "../src" }
+    ]
+}`,
+			"/home/src/workspaces/solution/tsconfig.json": `{
+    "files": [],
+    "compilerOptions": {
+        "composite": true
+    },
+    "references": [
+        { "path": "./src" },
+        { "path": "./tests" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_solution_when_solution_is_referenced_indirectly_test.go b/internal/execute/tsctests/tests/tsbuild_solution_when_solution_is_referenced_indirectly_test.go
new file mode 100644
index 00000000000..0244897da9c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_solution_when_solution_is_referenced_indirectly_test.go
@@ -0,0 +1,51 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_solution_when_solution_is_referenced_indirectly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "solution",
+		SubScenario:     "when solution is referenced indirectly",
+		CommandLineArgs: []string{"--b", "project4", "--verbose", "--explainFiles"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project1/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": []
+}`,
+			"/home/src/workspaces/solution/project2/src/b.ts": "export const b = 10;",
+			"/home/src/workspaces/solution/project2/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": []
+}`,
+			"/home/src/workspaces/solution/project3/src/c.ts": "export const c = 10;",
+			"/home/src/workspaces/solution/project3/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [
+        { "path": "../project1" },
+        { "path": "../project2" }
+    ]
+}`,
+			"/home/src/workspaces/solution/project4/src/d.ts": "export const d = 10;",
+			"/home/src/workspaces/solution/project4/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "references": [{ "path": "../project3" }]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "modify project3 file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/solution/project3/src/c.ts", "export const cc = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_transitiveReferences_builds_correctly_test.go b/internal/execute/tsctests/tests/tsbuild_transitiveReferences_builds_correctly_test.go
new file mode 100644
index 00000000000..614893dbbb5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_transitiveReferences_builds_correctly_test.go
@@ -0,0 +1,56 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_transitiveReferences_builds_correctly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "transitiveReferences",
+		SubScenario:     "builds correctly",
+		CommandLineArgs: []string{"--b", "tsconfig.c.json", "--listFiles"},
+		Cwd:             "/user/username/projects/transitiveReferences",
+		Files: tsctests.FileMap{
+			"/user/username/projects/transitiveReferences/a.ts": "export class A {}",
+			"/user/username/projects/transitiveReferences/b.ts": `import {A} from '@ref/a';
+export const b = new A();`,
+			"/user/username/projects/transitiveReferences/c.ts": `import {b} from './b';
+import {X} from "@ref/a";
+b;
+X;`,
+			"/user/username/projects/transitiveReferences/refs/a.d.ts": `export class X {}
+export class A {}`,
+			"/user/username/projects/transitiveReferences/tsconfig.a.json": `{
+    "files": ["a.ts"],
+    "compilerOptions": {
+        "composite": true,
+    },
+}`,
+			"/user/username/projects/transitiveReferences/tsconfig.b.json": `{
+    "files": ["b.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "paths": {
+            "@ref/*": ["./*"],
+        },
+    },
+    "references": [{ "path": "tsconfig.a.json" }],
+}`,
+			"/user/username/projects/transitiveReferences/tsconfig.c.json": `{
+    "files": ["c.ts"],
+    "compilerOptions": {
+        "paths": {
+            "@ref/*": ["./refs/*"],
+        },
+    },
+    "references": [{ "path": "tsconfig.b.json" }],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsbuild_transitiveReferences_reports_error_about_module_not_found_with_node_resolution_with_external_module_name_test.go b/internal/execute/tsctests/tests/tsbuild_transitiveReferences_reports_error_about_module_not_found_with_node_resolution_with_external_module_name_test.go
new file mode 100644
index 00000000000..d68411eddf8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsbuild_transitiveReferences_reports_error_about_module_not_found_with_node_resolution_with_external_module_name_test.go
@@ -0,0 +1,54 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsbuild_transitiveReferences_reports_error_about_module_not_found_with_node_resolution_with_external_module_name(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "transitiveReferences",
+		SubScenario:     "reports error about module not found with node resolution with external module name",
+		CommandLineArgs: []string{"--b", "tsconfig.c.json", "--listFiles"},
+		Cwd:             "/user/username/projects/transitiveReferences",
+		Files: tsctests.FileMap{
+			"/user/username/projects/transitiveReferences/a.ts": "export class A {}",
+			"/user/username/projects/transitiveReferences/b.ts": `import {A} from 'a';
+export const b = new A();`,
+			"/user/username/projects/transitiveReferences/c.ts": `import {b} from './b';
+import {X} from "@ref/a";
+b;
+X;`,
+			"/user/username/projects/transitiveReferences/refs/a.d.ts": `export class X {}
+export class A {}`,
+			"/user/username/projects/transitiveReferences/tsconfig.a.json": `{
+    "files": ["a.ts"],
+    "compilerOptions": {
+        "composite": true,
+    },
+}`,
+			"/user/username/projects/transitiveReferences/tsconfig.b.json": `{
+    "files": ["b.ts"],
+    "compilerOptions": {
+        "composite": true,
+        "module": "nodenext",
+    },
+    "references": [{ "path": "tsconfig.a.json" }],
+}`,
+			"/user/username/projects/transitiveReferences/tsconfig.c.json": `{
+    "files": ["c.ts"],
+    "compilerOptions": {
+        "paths": {
+            "@ref/*": ["./refs/*"],
+        },
+    },
+    "references": [{ "path": "tsconfig.b.json" }],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_at_types_package_installed_later_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_at_types_package_installed_later_test.go
new file mode 100644
index 00000000000..8e7e647e90e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_at_types_package_installed_later_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_at_types_package_installed_later(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects at-types package installed later",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":                          "import * as lib from \"untyped-lib\";",
+			"/home/src/workspaces/project/node_modules/untyped-lib/index.js": "module.exports = {};",
+			"/home/src/workspaces/project/tsconfig.json":                     "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "install @types for the library",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/node_modules/@types/untyped-lib/index.d.ts", "declare module \"untyped-lib\" { export const value: string; }")
+			sys.WriteFile("/home/src/workspaces/project/node_modules/@types/untyped-lib/package.json", "{\"name\": \"@types/untyped-lib\", \"types\": \"index.d.ts\"}")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_change_in_symlinked_file_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_change_in_symlinked_file_test.go
new file mode 100644
index 00000000000..7167e3c6ae4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_change_in_symlinked_file_test.go
@@ -0,0 +1,33 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_change_in_symlinked_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects change in symlinked file",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "import { shared } from \"./link\";",
+			"/home/src/workspaces/project/link.ts":       vfstest.Symlink("/home/src/workspaces/shared/index.ts"),
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+			"/home/src/workspaces/shared/index.ts":       "export const shared = \"v1\";",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "modify symlink target",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/shared/index.ts", "export const shared = \"v2\";")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_added_in_multiple_new_subdirectories_simultaneously_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_added_in_multiple_new_subdirectories_simultaneously_test.go
new file mode 100644
index 00000000000..101a23a737d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_added_in_multiple_new_subdirectories_simultaneously_test.go
@@ -0,0 +1,34 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_file_added_in_multiple_new_subdirectories_simultaneously(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects file added in multiple new subdirectories simultaneously",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/a.ts": "export const a = 1;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+	"compilerOptions": {},
+	"include": ["src/**/*.ts"]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "create multiple new subdirs with files",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/models/user.ts", "export interface User { name: string; }")
+			sys.WriteFile("/home/src/workspaces/project/src/utils/format.ts", "export function format(s: string): string { return s.trim(); }")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_added_in_new_nested_subdirectory_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_added_in_new_nested_subdirectory_test.go
new file mode 100644
index 00000000000..ca5151db8f4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_added_in_new_nested_subdirectory_test.go
@@ -0,0 +1,33 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_file_added_in_new_nested_subdirectory(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects file added in new nested subdirectory",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/a.ts": "export const a = 1;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+	"compilerOptions": {},
+	"include": ["src/**/*.ts"]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "create nested dir with ts file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/deep/nested/util.ts", "export const util = \"nested\";")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_added_to_previously_non_existent_include_path_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_added_to_previously_non_existent_include_path_test.go
new file mode 100644
index 00000000000..8d6fab199c9
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_added_to_previously_non_existent_include_path_test.go
@@ -0,0 +1,33 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_file_added_to_previously_non_existent_include_path(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects file added to previously non-existent include path",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts": "const x = 1;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+	"compilerOptions": {},
+	"include": ["index.ts", "src/**/*.ts"]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "create src dir with ts file matching include",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/helper.ts", "export const helper = \"added\";")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_deleted_and_new_file_added_simultaneously_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_deleted_and_new_file_added_simultaneously_test.go
new file mode 100644
index 00000000000..8386ee744a1
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_deleted_and_new_file_added_simultaneously_test.go
@@ -0,0 +1,33 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_file_deleted_and_new_file_added_simultaneously(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects file deleted and new file added simultaneously",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts":          "import { b } from \"./b\";",
+			"/home/src/workspaces/project/b.ts":          "export const b = 1;",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete b.ts and create c.ts with updated import",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/b.ts")
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "import { c } from \"./c\";")
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c = 2;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_renamed_and_renamed_back_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_renamed_and_renamed_back_test.go
new file mode 100644
index 00000000000..196ad8dc550
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_file_renamed_and_renamed_back_test.go
@@ -0,0 +1,41 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_file_renamed_and_renamed_back(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects file renamed and renamed back",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/helper.ts":     "export const helper = 1;",
+			"/home/src/workspaces/project/index.ts":      "import { helper } from \"./helper\";",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:      "rename helper to helper2",
+		ExpectedDiff: "incremental resolves to .js output from prior build while clean build cannot find module",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/helper.ts")
+			sys.WriteFile("/home/src/workspaces/project/helper2.ts", "export const helper = 1;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "rename back to helper",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/helper2.ts")
+			sys.WriteFile("/home/src/workspaces/project/helper.ts", "export const helper = 1;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_import_path_restructured_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_import_path_restructured_test.go
new file mode 100644
index 00000000000..8035fb3752a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_import_path_restructured_test.go
@@ -0,0 +1,33 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_import_path_restructured(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects import path restructured",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "import { util } from \"./lib/util\";",
+			"/home/src/workspaces/project/lib/util.ts":   "export const util = \"v1\";",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "move file to new path and update import",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/lib/util.ts")
+			sys.WriteFile("/home/src/workspaces/project/index.ts", "import { util } from \"./src/util\";")
+			sys.WriteFile("/home/src/workspaces/project/src/util.ts", "export const util = \"v2\";")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_imported_directory_removed_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_imported_directory_removed_test.go
new file mode 100644
index 00000000000..17f320e57a8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_imported_directory_removed_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_imported_directory_removed(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects imported directory removed",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "import { util } from \"./lib/util\";",
+			"/home/src/workspaces/project/lib/util.ts":   "export const util = \"hello\";",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:      "remove directory with imported file",
+		ExpectedDiff: "incremental resolves to .js output from prior build (TS7016) while clean build cannot find module at all (TS2307)",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/lib/util.ts")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_imported_file_added_in_new_directory_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_imported_file_added_in_new_directory_test.go
new file mode 100644
index 00000000000..e916072e82c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_imported_file_added_in_new_directory_test.go
@@ -0,0 +1,30 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_imported_file_added_in_new_directory(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects imported file added in new directory",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "import { util } from \"./lib/util\";",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "create directory and imported file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/lib/util.ts", "export const util = \"hello\";")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_module_going_missing_then_coming_back_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_module_going_missing_then_coming_back_test.go
new file mode 100644
index 00000000000..8e3c59dcc5b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_module_going_missing_then_coming_back_test.go
@@ -0,0 +1,39 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_module_going_missing_then_coming_back(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects module going missing then coming back",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "import { util } from \"./util\";",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+			"/home/src/workspaces/project/util.ts":       "export const util = \"v1\";",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:      "delete util module",
+		ExpectedDiff: "incremental resolves to .js output from prior build while clean build cannot find module",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/util.ts")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "recreate util module with new content",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/util.ts", "export const util = \"v2\";")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_nested_subdirectory_removed_and_recreated_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_nested_subdirectory_removed_and_recreated_test.go
new file mode 100644
index 00000000000..41f1ad2a22f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_nested_subdirectory_removed_and_recreated_test.go
@@ -0,0 +1,41 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_nested_subdirectory_removed_and_recreated(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects nested subdirectory removed and recreated",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/lib/helper.ts": "export const helper = \"v1\";",
+			"/home/src/workspaces/project/tsconfig.json": `{
+	"compilerOptions": {},
+	"include": ["src/**/*.ts"]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:      "remove nested dir",
+		ExpectedDiff: "incremental has prior state and does not report no-inputs error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/src/lib/helper.ts")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "recreate nested dir with new content",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/lib/helper.ts", "export const helper = \"v2\";")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_new_file_in_existing_include_directory_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_new_file_in_existing_include_directory_test.go
new file mode 100644
index 00000000000..f2b3fffe6a1
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_new_file_in_existing_include_directory_test.go
@@ -0,0 +1,33 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_new_file_in_existing_include_directory(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects new file in existing include directory",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/a.ts": "export const a = 1;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+	"compilerOptions": {},
+	"include": ["src/**/*.ts"]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "add new file to existing src directory",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/b.ts", "export const b = 2;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_new_file_resolving_failed_import_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_new_file_resolving_failed_import_test.go
new file mode 100644
index 00000000000..fe5936fd036
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_new_file_resolving_failed_import_test.go
@@ -0,0 +1,30 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_new_file_resolving_failed_import(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects new file resolving failed import",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts":          "import { b } from \"./b\";",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "create missing file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/b.ts", "export const b = 1;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_node_modules_package_added_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_node_modules_package_added_test.go
new file mode 100644
index 00000000000..bdec278d56e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_node_modules_package_added_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_node_modules_package_added(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects node modules package added",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "import { lib } from \"mylib\";",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "install package in node_modules",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/node_modules/mylib/index.d.ts", "export declare const lib: string;")
+			sys.WriteFile("/home/src/workspaces/project/node_modules/mylib/index.js", "exports.lib = \"hello\";")
+			sys.WriteFile("/home/src/workspaces/project/node_modules/mylib/package.json", "{\"name\": \"mylib\", \"main\": \"index.js\", \"types\": \"index.d.ts\"}")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_node_modules_package_removed_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_node_modules_package_removed_test.go
new file mode 100644
index 00000000000..fe0a42c3332
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_node_modules_package_removed_test.go
@@ -0,0 +1,35 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_node_modules_package_removed(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects node modules package removed",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":                        "import { lib } from \"mylib\";",
+			"/home/src/workspaces/project/node_modules/mylib/index.d.ts":   "export declare const lib: string;",
+			"/home/src/workspaces/project/node_modules/mylib/index.js":     "exports.lib = \"hello\";",
+			"/home/src/workspaces/project/node_modules/mylib/package.json": "{\"name\": \"mylib\", \"main\": \"index.js\", \"types\": \"index.d.ts\"}",
+			"/home/src/workspaces/project/tsconfig.json":                   "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "remove node_modules package",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/node_modules/mylib/index.d.ts")
+			sys.Remove("/home/src/workspaces/project/node_modules/mylib/index.js")
+			sys.Remove("/home/src/workspaces/project/node_modules/mylib/package.json")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_package_json_types_field_edited_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_package_json_types_field_edited_test.go
new file mode 100644
index 00000000000..cbba3147b5d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_package_json_types_field_edited_test.go
@@ -0,0 +1,33 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_package_json_types_field_edited(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects package json types field edited",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":                        "import { lib } from \"mylib\";",
+			"/home/src/workspaces/project/node_modules/mylib/new.d.ts":     "export declare const lib: string;",
+			"/home/src/workspaces/project/node_modules/mylib/old.d.ts":     "export declare const lib: number;",
+			"/home/src/workspaces/project/node_modules/mylib/package.json": "{\"name\": \"mylib\", \"types\": \"old.d.ts\"}",
+			"/home/src/workspaces/project/tsconfig.json":                   "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change package.json types field",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/node_modules/mylib/package.json", "{\"name\": \"mylib\", \"types\": \"new.d.ts\"}")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_scoped_package_installed_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_scoped_package_installed_test.go
new file mode 100644
index 00000000000..a338e039274
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_detects_scoped_package_installed_test.go
@@ -0,0 +1,31 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_detects_scoped_package_installed(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch detects scoped package installed",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "import { lib } from \"@scope/mylib\";",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "install scoped package",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/node_modules/@scope/mylib/index.d.ts", "export declare const lib: string;")
+			sys.WriteFile("/home/src/workspaces/project/node_modules/@scope/mylib/package.json", "{\"name\": \"@scope/mylib\", \"types\": \"index.d.ts\"}")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_handles_file_rapidly_recreated_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_handles_file_rapidly_recreated_test.go
new file mode 100644
index 00000000000..b801e817eae
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_handles_file_rapidly_recreated_test.go
@@ -0,0 +1,31 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_handles_file_rapidly_recreated(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch handles file rapidly recreated",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/data.ts":       "export const val = \"original\";",
+			"/home/src/workspaces/project/index.ts":      "import { val } from \"./data\";",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete and immediately recreate with new content",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/data.ts", "export const val = \"recreated\";")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_handles_tsconfig_deleted_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_handles_tsconfig_deleted_test.go
new file mode 100644
index 00000000000..6958392996b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_handles_tsconfig_deleted_test.go
@@ -0,0 +1,31 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_handles_tsconfig_deleted(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch handles tsconfig deleted",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "const x = 1;",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:      "delete tsconfig",
+		ExpectedDiff: "incremental reports config read error while clean build without tsconfig prints usage help",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/tsconfig.json")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_handles_tsconfig_with_extends_base_modified_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_handles_tsconfig_with_extends_base_modified_test.go
new file mode 100644
index 00000000000..e9e145b3713
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_handles_tsconfig_with_extends_base_modified_test.go
@@ -0,0 +1,37 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_handles_tsconfig_with_extends_base_modified(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch handles tsconfig with extends base modified",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/base.json": `{
+	"compilerOptions": { "strict": false }
+}`,
+			"/home/src/workspaces/project/index.ts": "const x = null; const y: string = x;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+	"extends": "./base.json"
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "modify base config to enable strict",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/base.json", `{
+	"compilerOptions": { "strict": true }
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_file_is_modified_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_file_is_modified_test.go
new file mode 100644
index 00000000000..06b729f0e5a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_file_is_modified_test.go
@@ -0,0 +1,30 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_rebuilds_when_file_is_modified(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch rebuilds when file is modified",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "const x: number = 1;",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "modify file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/index.ts", "const x: number = 2;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_source_file_is_deleted_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_source_file_is_deleted_test.go
new file mode 100644
index 00000000000..408b947353d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_source_file_is_deleted_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_rebuilds_when_source_file_is_deleted(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch rebuilds when source file is deleted",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts":          "import { b } from \"./b\";",
+			"/home/src/workspaces/project/b.ts":          "export const b = 1;",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:      "delete imported file",
+		ExpectedDiff: "incremental resolves to .js output from prior build (TS7016) while clean build cannot find module at all (TS2307)",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/b.ts")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_tsconfig_include_pattern_adds_file_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_tsconfig_include_pattern_adds_file_test.go
new file mode 100644
index 00000000000..e7b0c3d2795
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_tsconfig_include_pattern_adds_file_test.go
@@ -0,0 +1,37 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_rebuilds_when_tsconfig_include_pattern_adds_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch rebuilds when tsconfig include pattern adds file",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts": "const x = 1;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+	"compilerOptions": {},
+	"include": ["*.ts"]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "widen include pattern to add src dir",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/extra.ts", "export const extra = 2;")
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {},
+	"include": ["*.ts", "src/**/*.ts"]
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_tsconfig_is_modified_to_change_strict_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_tsconfig_is_modified_to_change_strict_test.go
new file mode 100644
index 00000000000..a7f50a76b54
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_tsconfig_is_modified_to_change_strict_test.go
@@ -0,0 +1,30 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_rebuilds_when_tsconfig_is_modified_to_change_strict(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch rebuilds when tsconfig is modified to change strict",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "const x = null; const y: string = x;",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "enable strict mode",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", "{\"compilerOptions\": {\"strict\": true}}")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_tsconfig_is_touched_but_content_unchanged_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_tsconfig_is_touched_but_content_unchanged_test.go
new file mode 100644
index 00000000000..be9d8499a5b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_rebuilds_when_tsconfig_is_touched_but_content_unchanged_test.go
@@ -0,0 +1,30 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_rebuilds_when_tsconfig_is_touched_but_content_unchanged(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch rebuilds when tsconfig is touched but content unchanged",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "const x = 1;",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "touch tsconfig without changing content",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", "{}")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_skips_build_when_no_files_change_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_skips_build_when_no_files_change_test.go
new file mode 100644
index 00000000000..ffdac1515ea
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_skips_build_when_no_files_change_test.go
@@ -0,0 +1,27 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_skips_build_when_no_files_change(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch skips build when no files change",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "const x: number = 1;",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_with_no_tsconfig_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_with_no_tsconfig_test.go
new file mode 100644
index 00000000000..82ce5406032
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_with_no_tsconfig_test.go
@@ -0,0 +1,22 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_with_no_tsconfig(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch with no tsconfig",
+		CommandLineArgs: []string{"index.ts", "--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts": "",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_with_tsconfig_and_incremental_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_with_tsconfig_and_incremental_test.go
new file mode 100644
index 00000000000..3f5f05382d7
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_with_tsconfig_and_incremental_test.go
@@ -0,0 +1,23 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_with_tsconfig_and_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch with tsconfig and incremental",
+		CommandLineArgs: []string{"--watch", "--incremental"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts":      "",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_with_tsconfig_files_list_entry_deleted_test.go b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_with_tsconfig_files_list_entry_deleted_test.go
new file mode 100644
index 00000000000..d26a4f05fbd
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLineWatch_watch_with_tsconfig_files_list_entry_deleted_test.go
@@ -0,0 +1,34 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLineWatch_watch_with_tsconfig_files_list_entry_deleted(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLineWatch",
+		SubScenario:     "watch with tsconfig files list entry deleted",
+		CommandLineArgs: []string{"--watch"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = 1;",
+			"/home/src/workspaces/project/b.ts": "export const b = 2;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+	"compilerOptions": {},
+	"files": ["a.ts", "b.ts"]
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete file listed in files array",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/b.ts")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLine_Initialized_TSConfig_with_watch_test.go b/internal/execute/tsctests/tests/tscWatch_commandLine_Initialized_TSConfig_with_watch_test.go
new file mode 100644
index 00000000000..7c2e2055d9c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLine_Initialized_TSConfig_with_watch_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLine_Initialized_TSConfig_with_watch(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Initialized TSConfig with --watch",
+		CommandLineArgs: []string{"--init", "--watch"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLine_Parse_watch_interval_option_test.go b/internal/execute/tsctests/tests/tscWatch_commandLine_Parse_watch_interval_option_test.go
new file mode 100644
index 00000000000..79ab29d5da7
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLine_Parse_watch_interval_option_test.go
@@ -0,0 +1,28 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLine_Parse_watch_interval_option(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Parse watch interval option",
+		CommandLineArgs: []string{"-w", "--watchInterval", "1000"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/first.ts": "export const a = 1",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+        "noEmit": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_commandLine_Parse_watch_interval_option_without_tsconfig_json_test.go b/internal/execute/tsctests/tests/tscWatch_commandLine_Parse_watch_interval_option_without_tsconfig_json_test.go
new file mode 100644
index 00000000000..78fce77c7cc
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_commandLine_Parse_watch_interval_option_without_tsconfig_json_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_commandLine_Parse_watch_interval_option_without_tsconfig_json(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Parse watch interval option without tsconfig.json",
+		CommandLineArgs: []string{"-w", "--watchInterval", "1000"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_noEmit_dts_errors_test.go b/internal/execute/tsctests/tests/tscWatch_noEmit_dts_errors_test.go
new file mode 100644
index 00000000000..f0f5494c396
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_noEmit_dts_errors_test.go
@@ -0,0 +1,88 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_noEmit_dts_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors",
+		CommandLineArgs: []string{"-w"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/workspaces/project/tsconfig.json": `{
+	"compilerOptions": {
+            "noEmit": true,
+            "declaration": true
+	}
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            "declaration": true
+	}
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            "noEmit": true,
+            "declaration": true
+	}
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            "declaration": true
+	}
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            "noEmit": true,
+            "declaration": true
+	}
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_noEmit_dts_errors_without_dts_enabled_test.go b/internal/execute/tsctests/tests/tscWatch_noEmit_dts_errors_without_dts_enabled_test.go
new file mode 100644
index 00000000000..5b82b6e7f78
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_noEmit_dts_errors_without_dts_enabled_test.go
@@ -0,0 +1,87 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_noEmit_dts_errors_without_dts_enabled(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors without dts enabled",
+		CommandLineArgs: []string{"-w"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/workspaces/project/tsconfig.json": `{
+	"compilerOptions": {
+            "noEmit": true
+	}
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            
+	}
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            "noEmit": true,
+            
+	}
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            
+	}
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            "noEmit": true,
+            
+	}
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_noEmit_semantic_errors_test.go b/internal/execute/tsctests/tests/tscWatch_noEmit_semantic_errors_test.go
new file mode 100644
index 00000000000..7f8906564ec
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_noEmit_semantic_errors_test.go
@@ -0,0 +1,87 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_noEmit_semantic_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "semantic errors",
+		CommandLineArgs: []string{"-w"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "const a: number = \"hello\"",
+			"/home/src/workspaces/project/tsconfig.json": `{
+	"compilerOptions": {
+            "noEmit": true
+	}
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            
+	}
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            "noEmit": true,
+            
+	}
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "const a: number = \"hello\"")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            
+	}
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            "noEmit": true,
+            
+	}
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tscWatch_noEmit_syntax_errors_test.go b/internal/execute/tsctests/tests/tscWatch_noEmit_syntax_errors_test.go
new file mode 100644
index 00000000000..1f08adb0242
--- /dev/null
+++ b/internal/execute/tsctests/tests/tscWatch_noEmit_syntax_errors_test.go
@@ -0,0 +1,87 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTscWatch_noEmit_syntax_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "syntax errors",
+		CommandLineArgs: []string{"-w"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "const a = \"hello",
+			"/home/src/workspaces/project/tsconfig.json": `{
+	"compilerOptions": {
+            "noEmit": true
+	}
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "emit after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            
+	}
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no emit run after fixing error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            "noEmit": true,
+            
+	}
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "emit when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            
+	}
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no emit run when error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+	"compilerOptions": {
+            "noEmit": true,
+            
+	}
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Config_with_references_and_empty_file_and_refers_to_config_with_noEmit_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Config_with_references_and_empty_file_and_refers_to_config_with_noEmit_test.go
new file mode 100644
index 00000000000..91225bda6e7
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Config_with_references_and_empty_file_and_refers_to_config_with_noEmit_test.go
@@ -0,0 +1,39 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Config_with_references_and_empty_file_and_refers_to_config_with_noEmit(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Config with references and empty file and refers to config with noEmit",
+		CommandLineArgs: []string{"-p", "."},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/packages/pkg1/index.ts": "export const a = 1;",
+			"/home/src/workspaces/project/packages/pkg1/tsconfig.json": `{
+                    "compilerOptions": {
+                        "composite": true,
+                        "noEmit": true
+                    },
+                    "files": [
+                        "./index.ts",
+                    ],
+                }`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+                    "files": [],
+                    "references": [
+                        {
+                            "path": "./packages/pkg1"
+                        },
+                    ],
+                }`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_advanced_options_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_advanced_options_test.go
new file mode 100644
index 00000000000..744070c6a52
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_advanced_options_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Initialized_TSConfig_with_advanced_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Initialized TSConfig with advanced options",
+		CommandLineArgs: []string{"--init", "--declaration", "--declarationDir", "lib", "--skipLibCheck", "--noErrorTruncation"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_boolean_value_compiler_options_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_boolean_value_compiler_options_test.go
new file mode 100644
index 00000000000..4af4e2f760c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_boolean_value_compiler_options_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Initialized_TSConfig_with_boolean_value_compiler_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Initialized TSConfig with boolean value compiler options",
+		CommandLineArgs: []string{"--init", "--noUnusedLocals"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_enum_value_compiler_options_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_enum_value_compiler_options_test.go
new file mode 100644
index 00000000000..9ac68ba90a8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_enum_value_compiler_options_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Initialized_TSConfig_with_enum_value_compiler_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Initialized TSConfig with enum value compiler options",
+		CommandLineArgs: []string{"--init", "--target", "es5", "--jsx", "react"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_files_options_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_files_options_test.go
new file mode 100644
index 00000000000..004c6f06b85
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_files_options_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Initialized_TSConfig_with_files_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Initialized TSConfig with files options",
+		CommandLineArgs: []string{"--init", "file0.st", "file1.ts", "file2.ts"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_help_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_help_test.go
new file mode 100644
index 00000000000..6f127ef0f98
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_help_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Initialized_TSConfig_with_help(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Initialized TSConfig with --help",
+		CommandLineArgs: []string{"--init", "--help"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_incorrect_compiler_option_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_incorrect_compiler_option_test.go
new file mode 100644
index 00000000000..ec7fbbef4d7
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_incorrect_compiler_option_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Initialized_TSConfig_with_incorrect_compiler_option(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Initialized TSConfig with incorrect compiler option",
+		CommandLineArgs: []string{"--init", "--someNonExistOption"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_incorrect_compiler_option_value_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_incorrect_compiler_option_value_test.go
new file mode 100644
index 00000000000..ce5cdd4f7e7
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_incorrect_compiler_option_value_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Initialized_TSConfig_with_incorrect_compiler_option_value(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Initialized TSConfig with incorrect compiler option value",
+		CommandLineArgs: []string{"--init", "--lib", "nonExistLib,es5,es2015.promise"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_list_compiler_options_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_list_compiler_options_test.go
new file mode 100644
index 00000000000..603c2e69e6b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_list_compiler_options_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Initialized_TSConfig_with_list_compiler_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Initialized TSConfig with list compiler options",
+		CommandLineArgs: []string{"--init", "--types", "jquery,mocha"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_list_compiler_options_with_enum_value_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_list_compiler_options_with_enum_value_test.go
new file mode 100644
index 00000000000..5f6340e601b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_list_compiler_options_with_enum_value_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Initialized_TSConfig_with_list_compiler_options_with_enum_value(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Initialized TSConfig with list compiler options with enum value",
+		CommandLineArgs: []string{"--init", "--lib", "es5,es2015.core"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_tsconfig_json_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_tsconfig_json_test.go
new file mode 100644
index 00000000000..df93fafc707
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Initialized_TSConfig_with_tsconfig_json_test.go
@@ -0,0 +1,28 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Initialized_TSConfig_with_tsconfig_json(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Initialized TSConfig with tsconfig.json",
+		CommandLineArgs: []string{"--init"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/first.ts": "export const a = 1",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+        "noEmit": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Parse_enum_type_options_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Parse_enum_type_options_test.go
new file mode 100644
index 00000000000..22d006a0bf4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Parse_enum_type_options_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Parse_enum_type_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Parse enum type options",
+		CommandLineArgs: []string{"--moduleResolution", "nodenext ", "first.ts", "--module", "nodenext", "--target", "esnext", "--moduleDetection", "auto", "--jsx", "react", "--newLine", "crlf"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Parse_lib_option_with_file_name_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Parse_lib_option_with_file_name_test.go
new file mode 100644
index 00000000000..d1423c60e9b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Parse_lib_option_with_file_name_test.go
@@ -0,0 +1,22 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Parse_lib_option_with_file_name(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Parse --lib option with file name",
+		CommandLineArgs: []string{"--lib", "es6 ", "first.ts"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/first.ts": "export const Key = Symbol()",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Parse_p_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Parse_p_test.go
new file mode 100644
index 00000000000..77e7d0a4c76
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Parse_p_test.go
@@ -0,0 +1,28 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Parse_p(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Parse -p",
+		CommandLineArgs: []string{"-p", "."},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/first.ts": "export const a = 1",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+        "noEmit": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Parse_p_with_path_to_tsconfig_file_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Parse_p_with_path_to_tsconfig_file_test.go
new file mode 100644
index 00000000000..87944f51f74
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Parse_p_with_path_to_tsconfig_file_test.go
@@ -0,0 +1,28 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Parse_p_with_path_to_tsconfig_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Parse -p with path to tsconfig file",
+		CommandLineArgs: []string{"-p", "/home/src/workspaces/project/tsconfig.json"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/first.ts": "export const a = 1",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+        "noEmit": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Parse_p_with_path_to_tsconfig_folder_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Parse_p_with_path_to_tsconfig_folder_test.go
new file mode 100644
index 00000000000..ac3ccb07a0c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Parse_p_with_path_to_tsconfig_folder_test.go
@@ -0,0 +1,28 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Parse_p_with_path_to_tsconfig_folder(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Parse -p with path to tsconfig folder",
+		CommandLineArgs: []string{"-p", "/home/src/workspaces/project"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/first.ts": "export const a = 1",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+        "noEmit": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_Project_is_empty_string_test.go b/internal/execute/tsctests/tests/tsc_commandLine_Project_is_empty_string_test.go
new file mode 100644
index 00000000000..5ee93428808
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_Project_is_empty_string_test.go
@@ -0,0 +1,28 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_Project_is_empty_string(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "Project is empty string",
+		CommandLineArgs: []string{},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/first.ts": "export const a = 1",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+        "noEmit": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_adds_color_when_FORCE_COLOR_is_set_test.go b/internal/execute/tsctests/tests/tsc_commandLine_adds_color_when_FORCE_COLOR_is_set_test.go
new file mode 100644
index 00000000000..8c953bd2112
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_adds_color_when_FORCE_COLOR_is_set_test.go
@@ -0,0 +1,21 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_adds_color_when_FORCE_COLOR_is_set(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "commandLine",
+		SubScenario: "adds color when FORCE_COLOR is set",
+		Env: map[string]string{
+			"FORCE_COLOR": "true",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_bad_locale_test.go b/internal/execute/tsctests/tests/tsc_commandLine_bad_locale_test.go
new file mode 100644
index 00000000000..b807a7bc411
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_bad_locale_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_bad_locale(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "bad locale",
+		CommandLineArgs: []string{"--locale", "whoops", "--version"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_does_not_add_color_when_NO_COLOR_is_set_even_if_FORCE_COLOR_is_set_test.go b/internal/execute/tsctests/tests/tsc_commandLine_does_not_add_color_when_NO_COLOR_is_set_even_if_FORCE_COLOR_is_set_test.go
new file mode 100644
index 00000000000..045eb2f54de
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_does_not_add_color_when_NO_COLOR_is_set_even_if_FORCE_COLOR_is_set_test.go
@@ -0,0 +1,22 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_does_not_add_color_when_NO_COLOR_is_set_even_if_FORCE_COLOR_is_set(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "commandLine",
+		SubScenario: "does not add color when NO_COLOR is set even if FORCE_COLOR is set",
+		Env: map[string]string{
+			"FORCE_COLOR": "true",
+			"NO_COLOR":    "true",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_does_not_add_color_when_NO_COLOR_is_set_test.go b/internal/execute/tsctests/tests/tsc_commandLine_does_not_add_color_when_NO_COLOR_is_set_test.go
new file mode 100644
index 00000000000..c012e17442d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_does_not_add_color_when_NO_COLOR_is_set_test.go
@@ -0,0 +1,21 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_does_not_add_color_when_NO_COLOR_is_set(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "commandLine",
+		SubScenario: "does not add color when NO_COLOR is set",
+		Env: map[string]string{
+			"NO_COLOR": "true",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_help_all_test.go b/internal/execute/tsctests/tests/tsc_commandLine_help_all_test.go
new file mode 100644
index 00000000000..1710fd862cd
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_help_all_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_help_all(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "help all",
+		CommandLineArgs: []string{"--help", "--all"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_help_test.go b/internal/execute/tsctests/tests/tsc_commandLine_help_test.go
new file mode 100644
index 00000000000..3af30be17a0
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_help_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_help(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "help",
+		CommandLineArgs: []string{"--help"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_locale_test.go b/internal/execute/tsctests/tests/tsc_commandLine_locale_test.go
new file mode 100644
index 00000000000..57e5de57e7d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_locale_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_locale(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "commandLine",
+		SubScenario:     "locale",
+		CommandLineArgs: []string{"--locale", "cs", "--version"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_show_help_with_ExitStatus_DiagnosticsPresent_OutputsSkipped_test.go b/internal/execute/tsctests/tests/tsc_commandLine_show_help_with_ExitStatus_DiagnosticsPresent_OutputsSkipped_test.go
new file mode 100644
index 00000000000..957deb04207
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_show_help_with_ExitStatus_DiagnosticsPresent_OutputsSkipped_test.go
@@ -0,0 +1,21 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_show_help_with_ExitStatus_DiagnosticsPresent_OutputsSkipped(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "commandLine",
+		SubScenario: "show help with ExitStatus.DiagnosticsPresent_OutputsSkipped",
+		Env: map[string]string{
+			"TS_TEST_TERMINAL_WIDTH": "120",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_commandLine_show_help_with_ExitStatus_DiagnosticsPresent_OutputsSkipped_when_host_cannot_provide_terminal_width_test.go b/internal/execute/tsctests/tests/tsc_commandLine_show_help_with_ExitStatus_DiagnosticsPresent_OutputsSkipped_when_host_cannot_provide_terminal_width_test.go
new file mode 100644
index 00000000000..59839ac1e54
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_commandLine_show_help_with_ExitStatus_DiagnosticsPresent_OutputsSkipped_when_host_cannot_provide_terminal_width_test.go
@@ -0,0 +1,18 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_commandLine_show_help_with_ExitStatus_DiagnosticsPresent_OutputsSkipped_when_host_cannot_provide_terminal_width(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "commandLine",
+		SubScenario: "show help with ExitStatus.DiagnosticsPresent_OutputsSkipped when host cannot provide terminal width",
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_composite_converting_to_modules_test.go b/internal/execute/tsctests/tests/tsc_composite_converting_to_modules_test.go
new file mode 100644
index 00000000000..ed006a3200a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_composite_converting_to_modules_test.go
@@ -0,0 +1,39 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_composite_converting_to_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "composite",
+		SubScenario: "converting to modules",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/main.ts": "const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "none",
+        "composite": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "convert to modules",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+    "compilerOptions": {
+        "module": "es2015",
+        "composite": true,
+    },
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_composite_synthetic_jsx_import_of_ESM_module_from_CJS_module_error_on_jsx_element_test.go b/internal/execute/tsctests/tests/tsc_composite_synthetic_jsx_import_of_ESM_module_from_CJS_module_error_on_jsx_element_test.go
new file mode 100644
index 00000000000..fb547fb93be
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_composite_synthetic_jsx_import_of_ESM_module_from_CJS_module_error_on_jsx_element_test.go
@@ -0,0 +1,37 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_composite_synthetic_jsx_import_of_ESM_module_from_CJS_module_error_on_jsx_element(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "composite",
+		SubScenario: "synthetic jsx import of ESM module from CJS module error on jsx element",
+		Cwd:         "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/node_modules/solid-js/jsx-runtime.d.ts": `export namespace JSX {
+    type IntrinsicElements = { div: {}; };
+}`,
+			"/home/src/projects/project/node_modules/solid-js/package.json": `{
+    "name": "solid-js",
+    "type": "module"
+}`,
+			"/home/src/projects/project/src/main.tsx": "export default <div/>;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "module": "Node16",
+        "jsx": "react-jsx",
+        "jsxImportSource": "solid-js",
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_composite_synthetic_jsx_import_of_ESM_module_from_CJS_module_no_crash_no_jsx_element_test.go b/internal/execute/tsctests/tests/tsc_composite_synthetic_jsx_import_of_ESM_module_from_CJS_module_no_crash_no_jsx_element_test.go
new file mode 100644
index 00000000000..96ad729edfe
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_composite_synthetic_jsx_import_of_ESM_module_from_CJS_module_no_crash_no_jsx_element_test.go
@@ -0,0 +1,37 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_composite_synthetic_jsx_import_of_ESM_module_from_CJS_module_no_crash_no_jsx_element(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "composite",
+		SubScenario: "synthetic jsx import of ESM module from CJS module no crash no jsx element",
+		Cwd:         "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/node_modules/solid-js/jsx-runtime.d.ts": `export namespace JSX {
+    type IntrinsicElements = { div: {}; };
+}`,
+			"/home/src/projects/project/node_modules/solid-js/package.json": `{
+    "name": "solid-js",
+    "type": "module"
+}`,
+			"/home/src/projects/project/src/main.ts": "export default 42;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "module": "Node16",
+        "jsx": "react-jsx",
+        "jsxImportSource": "solid-js",
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_composite_when_setting_composite_false_and_tsbuildinfo_as_null_on_command_line_but_has_tsbuild_info_in_config_test.go b/internal/execute/tsctests/tests/tsc_composite_when_setting_composite_false_and_tsbuildinfo_as_null_on_command_line_but_has_tsbuild_info_in_config_test.go
new file mode 100644
index 00000000000..a9d52ebdba1
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_composite_when_setting_composite_false_and_tsbuildinfo_as_null_on_command_line_but_has_tsbuild_info_in_config_test.go
@@ -0,0 +1,33 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_composite_when_setting_composite_false_and_tsbuildinfo_as_null_on_command_line_but_has_tsbuild_info_in_config(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "composite",
+		SubScenario:     "when setting composite false and tsbuildinfo as null on command line but has tsbuild info in config",
+		CommandLineArgs: []string{"--composite", "false", "--tsBuildInfoFile", "null"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/main.ts": "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es5",
+        "module": "commonjs",
+        "composite": true,
+        "tsBuildInfoFile": "tsconfig.json.tsbuildinfo",
+    },
+    "include": [
+        "src/**/*.ts",
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_composite_when_setting_composite_false_on_command_line_but_has_tsbuild_info_in_config_test.go b/internal/execute/tsctests/tests/tsc_composite_when_setting_composite_false_on_command_line_but_has_tsbuild_info_in_config_test.go
new file mode 100644
index 00000000000..2300da30987
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_composite_when_setting_composite_false_on_command_line_but_has_tsbuild_info_in_config_test.go
@@ -0,0 +1,33 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_composite_when_setting_composite_false_on_command_line_but_has_tsbuild_info_in_config(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "composite",
+		SubScenario:     "when setting composite false on command line but has tsbuild info in config",
+		CommandLineArgs: []string{"--composite", "false"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/main.ts": "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es5",
+        "module": "commonjs",
+        "composite": true,
+        "tsBuildInfoFile": "tsconfig.json.tsbuildinfo",
+    },
+    "include": [
+        "src/**/*.ts",
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_composite_when_setting_composite_false_on_command_line_test.go b/internal/execute/tsctests/tests/tsc_composite_when_setting_composite_false_on_command_line_test.go
new file mode 100644
index 00000000000..105556b14e1
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_composite_when_setting_composite_false_on_command_line_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_composite_when_setting_composite_false_on_command_line(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "composite",
+		SubScenario:     "when setting composite false on command line",
+		CommandLineArgs: []string{"--composite", "false"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/main.ts": "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es5",
+        "module": "commonjs",
+        "composite": true,
+    },
+    "include": [
+        "src/**/*.ts",
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_composite_when_setting_composite_null_on_command_line_test.go b/internal/execute/tsctests/tests/tsc_composite_when_setting_composite_null_on_command_line_test.go
new file mode 100644
index 00000000000..5138ad51fbd
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_composite_when_setting_composite_null_on_command_line_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_composite_when_setting_composite_null_on_command_line(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "composite",
+		SubScenario:     "when setting composite null on command line",
+		CommandLineArgs: []string{"--composite", "null"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/main.ts": "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es5",
+        "module": "commonjs",
+        "composite": true,
+    },
+    "include": [
+        "src/**/*.ts",
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_declarationEmit_reports_dts_generation_errors_test.go b/internal/execute/tsctests/tests/tsc_declarationEmit_reports_dts_generation_errors_test.go
new file mode 100644
index 00000000000..0bd2ee8ca7a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_declarationEmit_reports_dts_generation_errors_test.go
@@ -0,0 +1,56 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_declarationEmit_reports_dts_generation_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "declarationEmit",
+		SubScenario:     "reports dts generation errors",
+		CommandLineArgs: []string{"--explainFiles", "--listEmittedFiles"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts": `import ky from 'ky';
+export const api = ky.extend({});`,
+			"/home/src/workspaces/project/node_modules/ky/distribution/index.d.ts": `type KyInstance = {
+    extend(options: Record<string,unknown>): KyInstance;
+}
+declare const ky: KyInstance;
+export default ky;`,
+			"/home/src/workspaces/project/node_modules/ky/package.json": `{
+    "name": "ky",
+    "type": "module",
+    "main": "./distribution/index.js"
+}`,
+			"/home/src/workspaces/project/package.json": `{
+    "type": "module"
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "NodeNext",
+        "moduleResolution": "NodeNext",
+        "composite": false,
+        "incremental": false,
+        "declaration": true,
+        "skipLibCheck": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "build -b",
+		CommandLineArgs: []string{"-b", "--explainFiles", "--listEmittedFiles", "--v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_declarationEmit_reports_dts_generation_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_declarationEmit_reports_dts_generation_errors_with_incremental_test.go
new file mode 100644
index 00000000000..1ce710e9230
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_declarationEmit_reports_dts_generation_errors_with_incremental_test.go
@@ -0,0 +1,56 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_declarationEmit_reports_dts_generation_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "declarationEmit",
+		SubScenario:     "reports dts generation errors with incremental",
+		CommandLineArgs: []string{"--explainFiles", "--listEmittedFiles"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.ts": `import ky from 'ky';
+export const api = ky.extend({});`,
+			"/home/src/workspaces/project/node_modules/ky/distribution/index.d.ts": `type KyInstance = {
+    extend(options: Record<string,unknown>): KyInstance;
+}
+declare const ky: KyInstance;
+export default ky;`,
+			"/home/src/workspaces/project/node_modules/ky/package.json": `{
+    "name": "ky",
+    "type": "module",
+    "main": "./distribution/index.js"
+}`,
+			"/home/src/workspaces/project/package.json": `{
+    "type": "module"
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "NodeNext",
+        "moduleResolution": "NodeNext",
+        "composite": true,
+        "incremental": true,
+        "declaration": true,
+        "skipLibCheck": true,
+        "skipDefaultLibCheck": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "build -b",
+		CommandLineArgs: []string{"-b", "--explainFiles", "--listEmittedFiles", "--v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_declarationEmit_when_inferred_export_should_reuse_imported_type_alias_across_a_module_boundary_test.go b/internal/execute/tsctests/tests/tsc_declarationEmit_when_inferred_export_should_reuse_imported_type_alias_across_a_module_boundary_test.go
new file mode 100644
index 00000000000..8977ca6d85c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_declarationEmit_when_inferred_export_should_reuse_imported_type_alias_across_a_module_boundary_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_declarationEmit_when_inferred_export_should_reuse_imported_type_alias_across_a_module_boundary(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "declarationEmit",
+		SubScenario:     "when inferred export should reuse imported type alias across a module boundary",
+		CommandLineArgs: []string{"--p", "tsconfig.json"},
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.es2022.full.d.ts": `/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+interface SymbolConstructor {
+    (desc?: string | number): symbol;
+    for(name: string): symbol;
+    readonly toStringTag: symbol;
+}
+declare var Symbol: SymbolConstructor;
+interface Symbol {
+    readonly [Symbol.toStringTag]: string;
+}
+declare const console: { log(msg: any): void; };
+type Partial<T> = {
+    [K in keyof T]?: T[K];
+};`,
+			"/home/src/workspaces/project/a.ts": `interface ISettings {
+    age: number;
+}
+
+export type Settings = Partial<ISettings>;`,
+			"/home/src/workspaces/project/factory.ts": `import type { Settings } from "./a";
+
+export const makeObj = () => ({
+    fn: (s?: Settings): Settings | undefined => s,
+});`,
+			"/home/src/workspaces/project/state.ts": `import { makeObj } from "./factory";
+
+export const obj = makeObj();`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+        "declaration": true,
+        "emitDeclarationOnly": true,
+        "target": "es2022",
+        "module": "esnext",
+    },
+    "files": ["./a.ts", "./factory.ts", "./state.ts"],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_declarationEmit_when_pkg_references_sibling_package_through_indirect_symlink_test.go b/internal/execute/tsctests/tests/tsc_declarationEmit_when_pkg_references_sibling_package_through_indirect_symlink_test.go
new file mode 100644
index 00000000000..60537431164
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_declarationEmit_when_pkg_references_sibling_package_through_indirect_symlink_test.go
@@ -0,0 +1,67 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsc_declarationEmit_when_pkg_references_sibling_package_through_indirect_symlink(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "declarationEmit",
+		SubScenario:     "when pkg references sibling package through indirect symlink",
+		CommandLineArgs: []string{"-p", "pkg3", "--explainFiles"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/pkg1/dist/index.d.ts": "export * from './types';",
+			"/user/username/projects/myproject/pkg1/dist/types.d.ts": `export declare type A = {
+    id: string;
+};
+export declare type B = {
+    id: number;
+};
+export declare type IdType = A | B;
+export declare class MetadataAccessor<T, D extends IdType = IdType> {
+    readonly key: string;
+    private constructor();
+    toString(): string;
+    static create<T, D extends IdType = IdType>(key: string): MetadataAccessor<T, D>;
+}`,
+			"/user/username/projects/myproject/pkg1/package.json": `{
+    "name": "@raymondfeng/pkg1",
+    "version": "1.0.0",
+    "main": "dist/index.js",
+    "typings": "dist/index.d.ts"
+}`,
+			"/user/username/projects/myproject/pkg2/dist/index.d.ts":                "export * from './types';",
+			"/user/username/projects/myproject/pkg2/dist/types.d.ts":                "export {MetadataAccessor} from '@raymondfeng/pkg1';",
+			"/user/username/projects/myproject/pkg2/node_modules/@raymondfeng/pkg1": vfstest.Symlink("/user/username/projects/myproject/pkg1"),
+			"/user/username/projects/myproject/pkg2/package.json": `{
+    "name": "@raymondfeng/pkg2",
+    "version": "1.0.0",
+    "main": "dist/index.js",
+    "typings": "dist/index.d.ts"
+}`,
+			"/user/username/projects/myproject/pkg3/node_modules/@raymondfeng/pkg2": vfstest.Symlink("/user/username/projects/myproject/pkg2"),
+			"/user/username/projects/myproject/pkg3/src/index.ts":                   "export * from './keys';",
+			"/user/username/projects/myproject/pkg3/src/keys.ts": `import {MetadataAccessor} from "@raymondfeng/pkg2";
+export const ADMIN = MetadataAccessor.create<boolean>('1');`,
+			"/user/username/projects/myproject/pkg3/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "dist",
+        "rootDir": "src",
+        "target": "es5",
+        "module": "commonjs",
+        "strict": true,
+        "esModuleInterop": true,
+        "declaration": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_declarationEmit_when_same_version_is_referenced_through_source_and_another_symlinked_package_test.go b/internal/execute/tsctests/tests/tsc_declarationEmit_when_same_version_is_referenced_through_source_and_another_symlinked_package_test.go
new file mode 100644
index 00000000000..817ca5127e6
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_declarationEmit_when_same_version_is_referenced_through_source_and_another_symlinked_package_test.go
@@ -0,0 +1,91 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsc_declarationEmit_when_same_version_is_referenced_through_source_and_another_symlinked_package(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "declarationEmit",
+		SubScenario:     "when same version is referenced through source and another symlinked package",
+		CommandLineArgs: []string{"-p", "plugin-one", "--explainFiles"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/plugin-one/action.ts": `import { actionCreatorFactory } from "typescript-fsa"; // Include version of shared lib
+const action = actionCreatorFactory("somekey");
+const featureOne = action<{ route: string }>("feature-one");
+export const actions = { featureOne };`,
+			"/user/username/projects/myproject/plugin-one/index.ts":                "import pluginTwo from \"plugin-two\"; // include this to add reference to symlink",
+			"/user/username/projects/myproject/plugin-one/node_modules/plugin-two": vfstest.Symlink("/user/username/projects/myproject/plugin-two"),
+			"/user/username/projects/myproject/plugin-one/node_modules/typescript-fsa/index.d.ts": `export interface Action<Payload> {
+    type: string;
+    payload: Payload;
+}
+export declare type ActionCreator<Payload> = {
+    type: string;
+    (payload: Payload): Action<Payload>;
+}
+export interface ActionCreatorFactory {
+    <Payload = void>(type: string): ActionCreator<Payload>;
+}
+export declare function actionCreatorFactory(prefix?: string | null): ActionCreatorFactory;
+export default actionCreatorFactory;`,
+			"/user/username/projects/myproject/plugin-one/node_modules/typescript-fsa/package.json": `{
+    "name": "typescript-fsa",
+    "version": "3.0.0-beta-2"
+}`,
+			"/user/username/projects/myproject/plugin-one/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es5",
+        "declaration": true,
+        "traceResolution": true,
+    },
+}`,
+			"/user/username/projects/myproject/plugin-two/index.d.ts": `declare const _default: {
+    features: {
+        featureOne: {
+            actions: {
+                featureOne: {
+                    (payload: {
+                        name: string;
+                        order: number;
+                    }, meta?: {
+                        [key: string]: any;
+                    }): import("typescript-fsa").Action<{
+                        name: string;
+                        order: number;
+                    }>;
+                };
+            };
+            path: string;
+        };
+    };
+};
+export default _default;`,
+			"/user/username/projects/myproject/plugin-two/node_modules/typescript-fsa/index.d.ts": `export interface Action<Payload> {
+    type: string;
+    payload: Payload;
+}
+export declare type ActionCreator<Payload> = {
+    type: string;
+    (payload: Payload): Action<Payload>;
+}
+export interface ActionCreatorFactory {
+    <Payload = void>(type: string): ActionCreator<Payload>;
+}
+export declare function actionCreatorFactory(prefix?: string | null): ActionCreatorFactory;
+export default actionCreatorFactory;`,
+			"/user/username/projects/myproject/plugin-two/node_modules/typescript-fsa/package.json": `{
+    "name": "typescript-fsa",
+    "version": "3.0.0-beta-2"
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_declarationEmit_when_same_version_is_referenced_through_source_and_another_symlinked_package_with_indirect_link_test.go b/internal/execute/tsctests/tests/tsc_declarationEmit_when_same_version_is_referenced_through_source_and_another_symlinked_package_with_indirect_link_test.go
new file mode 100644
index 00000000000..7724e2de52b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_declarationEmit_when_same_version_is_referenced_through_source_and_another_symlinked_package_with_indirect_link_test.go
@@ -0,0 +1,97 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsc_declarationEmit_when_same_version_is_referenced_through_source_and_another_symlinked_package_with_indirect_link(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "declarationEmit",
+		SubScenario:     "when same version is referenced through source and another symlinked package with indirect link",
+		CommandLineArgs: []string{"-p", "plugin-one", "--explainFiles"},
+		Cwd:             "/user/username/projects/myproject",
+		Files: tsctests.FileMap{
+			"/temp/yarn/data/link/plugin-two": vfstest.Symlink("/user/username/projects/myproject/plugin-two"),
+			"/user/username/projects/myproject/plugin-one/index.ts": `import pluginTwo from "plugin-two"; // include this to add reference to symlink
+import { actionCreatorFactory } from "typescript-fsa"; // Include version of shared lib
+const action = actionCreatorFactory("somekey");
+const featureOne = action<{ route: string }>("feature-one");
+export const actions = { featureOne };`,
+			"/user/username/projects/myproject/plugin-one/node_modules/plugin-two": vfstest.Symlink("/temp/yarn/data/link/plugin-two"),
+			"/user/username/projects/myproject/plugin-one/node_modules/typescript-fsa/index.d.ts": `export interface Action<Payload> {
+    type: string;
+    payload: Payload;
+}
+export declare type ActionCreator<Payload> = {
+    type: string;
+    (payload: Payload): Action<Payload>;
+}
+export interface ActionCreatorFactory {
+    <Payload = void>(type: string): ActionCreator<Payload>;
+}
+export declare function actionCreatorFactory(prefix?: string | null): ActionCreatorFactory;
+export default actionCreatorFactory;`,
+			"/user/username/projects/myproject/plugin-one/node_modules/typescript-fsa/package.json": `{
+    "name": "typescript-fsa",
+    "version": "3.0.0-beta-2"
+}`,
+			"/user/username/projects/myproject/plugin-one/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es5",
+        "declaration": true,
+        "traceResolution": true,
+    },
+}`,
+			"/user/username/projects/myproject/plugin-two/dist/commonjs/index.d.ts": `declare const _default: {
+    features: {
+        featureOne: {
+            actions: {
+                featureOne: {
+                    (payload: {
+                        name: string;
+                        order: number;
+                    }, meta?: {
+                        [key: string]: any;
+                    }): import("typescript-fsa").Action<{
+                        name: string;
+                        order: number;
+                    }>;
+                };
+            };
+            path: string;
+        };
+    };
+};
+export default _default;`,
+			"/user/username/projects/myproject/plugin-two/node_modules/typescript-fsa/index.d.ts": `export interface Action<Payload> {
+    type: string;
+    payload: Payload;
+}
+export declare type ActionCreator<Payload> = {
+    type: string;
+    (payload: Payload): Action<Payload>;
+}
+export interface ActionCreatorFactory {
+    <Payload = void>(type: string): ActionCreator<Payload>;
+}
+export declare function actionCreatorFactory(prefix?: string | null): ActionCreatorFactory;
+export default actionCreatorFactory;`,
+			"/user/username/projects/myproject/plugin-two/node_modules/typescript-fsa/package.json": `{
+    "name": "typescript-fsa",
+    "version": "3.0.0-beta-2"
+}`,
+			"/user/username/projects/myproject/plugin-two/package.json": `{
+    "name": "plugin-two",
+    "version": "0.1.3",
+    "main": "dist/commonjs/index.js"
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_declarationEmit_when_using_Windows_paths_and_uppercase_letters_test.go b/internal/execute/tsctests/tests/tsc_declarationEmit_when_using_Windows_paths_and_uppercase_letters_test.go
new file mode 100644
index 00000000000..c4844f82bca
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_declarationEmit_when_using_Windows_paths_and_uppercase_letters_test.go
@@ -0,0 +1,60 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_declarationEmit_when_using_Windows_paths_and_uppercase_letters(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:         "declarationEmit",
+		SubScenario:      "when using Windows paths and uppercase letters",
+		CommandLineArgs:  []string{"-p", "D:\\Work\\pkg1", "--explainFiles"},
+		Cwd:              "D:/Work/pkg1",
+		IgnoreCase:       true,
+		WindowsStyleRoot: "D:/",
+		Files: tsctests.FileMap{
+			"D:/Work/pkg1/package.json": `{
+    "name": "ts-specifier-bug",
+    "version": "1.0.0",
+    "main": "index.js"
+}`,
+			"D:/Work/pkg1/src/main.ts": `import { PartialType } from './utils';
+
+class Common {}
+
+export class Sub extends PartialType(Common) {
+    id: string;
+}`,
+			"D:/Work/pkg1/src/utils/index.ts": `import { MyType, MyReturnType } from './type-helpers';
+
+export function PartialType<T>(classRef: MyType<T>) {
+    abstract class PartialClassType {
+        constructor() {}
+    }
+
+    return PartialClassType as MyReturnType;
+}`,
+			"D:/Work/pkg1/src/utils/type-helpers.ts": `export type MyReturnType = {	
+    new (...args: any[]): any;
+};
+
+export interface MyType<T = any> extends Function {
+    new (...args: any[]): T;
+}`,
+			"D:/Work/pkg1/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "target": "es2017",
+        "outDir": "./dist",
+    },
+    "include": ["src"],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_extends_configDir_template_showConfig_test.go b/internal/execute/tsctests/tests/tsc_extends_configDir_template_showConfig_test.go
new file mode 100644
index 00000000000..69d9643deda
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_extends_configDir_template_showConfig_test.go
@@ -0,0 +1,54 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_extends_configDir_template_showConfig(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "extends",
+		SubScenario:     "configDir template showConfig",
+		CommandLineArgs: []string{"--showConfig"},
+		Cwd:             "/home/src/projects/myproject",
+		Files: tsctests.FileMap{
+			"/home/src/projects/configs/first/tsconfig.json": `{
+    "extends": "../second/tsconfig.json",
+    "include": ["${configDir}/src"],
+    "compilerOptions": {
+        "typeRoots": ["root1", "${configDir}/root2", "root3"],
+        "types": [],
+    },
+}`,
+			"/home/src/projects/configs/second/tsconfig.json": `{
+    "files": ["${configDir}/main.ts"],
+    "compilerOptions": {
+        "declarationDir": "${configDir}/decls",
+        "paths": {
+            "@myscope/*": ["${configDir}/types/*"],
+        },
+    },
+    "watchOptions": {
+        "excludeFiles": ["${configDir}/main.ts"],
+    },
+}`,
+			"/home/src/projects/myproject/main.ts": `// some comment
+export const y = 10;
+import { x } from "@myscope/sometype";`,
+			"/home/src/projects/myproject/tsconfig.json": `{
+    "extends": "../configs/first/tsconfig.json",
+    "compilerOptions": {
+        "declaration": true,
+        "outDir": "outDir",
+        "traceResolution": true,
+    },
+}`,
+			"/home/src/projects/myproject/types/sometype.ts": "export const x = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_extends_configDir_template_test.go b/internal/execute/tsctests/tests/tsc_extends_configDir_template_test.go
new file mode 100644
index 00000000000..578ce16ab2e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_extends_configDir_template_test.go
@@ -0,0 +1,54 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_extends_configDir_template(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "extends",
+		SubScenario:     "configDir template",
+		CommandLineArgs: []string{"--explainFiles"},
+		Cwd:             "/home/src/projects/myproject",
+		Files: tsctests.FileMap{
+			"/home/src/projects/configs/first/tsconfig.json": `{
+    "extends": "../second/tsconfig.json",
+    "include": ["${configDir}/src"],
+    "compilerOptions": {
+        "typeRoots": ["root1", "${configDir}/root2", "root3"],
+        "types": [],
+    },
+}`,
+			"/home/src/projects/configs/second/tsconfig.json": `{
+    "files": ["${configDir}/main.ts"],
+    "compilerOptions": {
+        "declarationDir": "${configDir}/decls",
+        "paths": {
+            "@myscope/*": ["${configDir}/types/*"],
+        },
+    },
+    "watchOptions": {
+        "excludeFiles": ["${configDir}/main.ts"],
+    },
+}`,
+			"/home/src/projects/myproject/main.ts": `// some comment
+export const y = 10;
+import { x } from "@myscope/sometype";`,
+			"/home/src/projects/myproject/tsconfig.json": `{
+    "extends": "../configs/first/tsconfig.json",
+    "compilerOptions": {
+        "declaration": true,
+        "outDir": "outDir",
+        "traceResolution": true,
+    },
+}`,
+			"/home/src/projects/myproject/types/sometype.ts": "export const x = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_extends_configDir_template_with_commandline_test.go b/internal/execute/tsctests/tests/tsc_extends_configDir_template_with_commandline_test.go
new file mode 100644
index 00000000000..b1ac23feeab
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_extends_configDir_template_with_commandline_test.go
@@ -0,0 +1,54 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_extends_configDir_template_with_commandline(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "extends",
+		SubScenario:     "configDir template with commandline",
+		CommandLineArgs: []string{"--explainFiles", "--outDir", "${configDir}/outDir"},
+		Cwd:             "/home/src/projects/myproject",
+		Files: tsctests.FileMap{
+			"/home/src/projects/configs/first/tsconfig.json": `{
+    "extends": "../second/tsconfig.json",
+    "include": ["${configDir}/src"],
+    "compilerOptions": {
+        "typeRoots": ["root1", "${configDir}/root2", "root3"],
+        "types": [],
+    },
+}`,
+			"/home/src/projects/configs/second/tsconfig.json": `{
+    "files": ["${configDir}/main.ts"],
+    "compilerOptions": {
+        "declarationDir": "${configDir}/decls",
+        "paths": {
+            "@myscope/*": ["${configDir}/types/*"],
+        },
+    },
+    "watchOptions": {
+        "excludeFiles": ["${configDir}/main.ts"],
+    },
+}`,
+			"/home/src/projects/myproject/main.ts": `// some comment
+export const y = 10;
+import { x } from "@myscope/sometype";`,
+			"/home/src/projects/myproject/tsconfig.json": `{
+    "extends": "../configs/first/tsconfig.json",
+    "compilerOptions": {
+        "declaration": true,
+        "outDir": "outDir",
+        "traceResolution": true,
+    },
+}`,
+			"/home/src/projects/myproject/types/sometype.ts": "export const x = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_extends_resolves_the_symlink_path_test.go b/internal/execute/tsctests/tests/tsc_extends_resolves_the_symlink_path_test.go
new file mode 100644
index 00000000000..a4b8e7f9e3e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_extends_resolves_the_symlink_path_test.go
@@ -0,0 +1,38 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsc_extends_resolves_the_symlink_path(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "extends",
+		SubScenario:     "resolves the symlink path",
+		CommandLineArgs: []string{"-p", "src", "--extendedDiagnostics"},
+		Cwd:             "/users/user/projects/myproject",
+		Files: tsctests.FileMap{
+			"/users/user/projects/myconfigs/node_modules/@something/tsconfig-base/tsconfig.json": `{
+    "compilerOptions": { "composite": true }
+}`,
+			"/users/user/projects/myconfigs/node_modules/@something/tsconfig-node/tsconfig.json": `{
+    "extends": "@something/tsconfig-base/tsconfig.json",
+    "compilerOptions": {
+        "removeComments": true
+    }
+}`,
+			"/users/user/projects/myproject/node_modules/@something/tsconfig-node": vfstest.Symlink("/users/user/projects/myconfigs/node_modules/@something/tsconfig-node"),
+			"/users/user/projects/myproject/src/index.ts": `// some comment
+export const x = 10;`,
+			"/users/user/projects/myproject/src/tsconfig.json": `{
+    "extends": "@something/tsconfig-node/tsconfig.json"
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_two_files_exist_on_disk_that_differs_only_in_casing_test.go b/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_two_files_exist_on_disk_that_differs_only_in_casing_test.go
new file mode 100644
index 00000000000..7338dcfd020
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_two_files_exist_on_disk_that_differs_only_in_casing_test.go
@@ -0,0 +1,26 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_forceConsistentCasingInFileNames_two_files_exist_on_disk_that_differs_only_in_casing(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "forceConsistentCasingInFileNames",
+		SubScenario: "two files exist on disk that differs only in casing",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/D.ts": "export const x = 10;",
+			"/home/src/workspaces/project/c.ts": "import {x} from \"./D\"",
+			"/home/src/workspaces/project/d.ts": "export const y = 20;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "files": ["c.ts", "d.ts"]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_when_file_is_included_from_multiple_places_with_different_casing_test.go b/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_when_file_is_included_from_multiple_places_with_different_casing_test.go
new file mode 100644
index 00000000000..73301bd7288
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_when_file_is_included_from_multiple_places_with_different_casing_test.go
@@ -0,0 +1,37 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_forceConsistentCasingInFileNames_when_file_is_included_from_multiple_places_with_different_casing(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "forceConsistentCasingInFileNames",
+		SubScenario:     "when file is included from multiple places with different casing",
+		CommandLineArgs: []string{"--explainFiles"},
+		Cwd:             "/home/src/projects/project",
+		IgnoreCase:      true,
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/node_modules/fp-ts/lib/struct.d.ts": "export function foo(): void",
+			"/home/src/projects/project/src/anotherFile.ts": `import * as xs1 from "fp-ts/lib/Struct";
+import * as xs2 from "fp-ts/lib/struct";
+import * as xs3 from "./Struct";
+import * as xs4 from "./struct";`,
+			"/home/src/projects/project/src/oneMore.ts": `import * as xs1 from "fp-ts/lib/Struct";
+import * as xs2 from "fp-ts/lib/struct";
+import * as xs3 from "./Struct";
+import * as xs4 from "./struct";`,
+			"/home/src/projects/project/src/struct.d.ts": `import * as xs1 from "fp-ts/lib/Struct";
+import * as xs2 from "fp-ts/lib/struct";
+import * as xs3 from "./Struct";
+import * as xs4 from "./struct";`,
+			"/home/src/projects/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_with_relative_and_non_relative_file_resolutions_test.go b/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_with_relative_and_non_relative_file_resolutions_test.go
new file mode 100644
index 00000000000..53829d80c68
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_with_relative_and_non_relative_file_resolutions_test.go
@@ -0,0 +1,28 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_forceConsistentCasingInFileNames_with_relative_and_non_relative_file_resolutions(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "forceConsistentCasingInFileNames",
+		SubScenario:     "with relative and non relative file resolutions",
+		CommandLineArgs: []string{"/user/username/projects/myproject/src/struct.d.ts", "--forceConsistentCasingInFileNames", "--explainFiles"},
+		Cwd:             "/user/username/projects/myproject",
+		IgnoreCase:      true,
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/node_modules/fp-ts/lib/struct.d.ts": "export function foo(): void",
+			"/user/username/projects/myproject/src/struct.d.ts": `import * as xs1 from "fp-ts/lib/Struct";
+import * as xs2 from "fp-ts/lib/struct";
+import * as xs3 from "./Struct";
+import * as xs4 from "./struct";`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_with_triple_slash_ref_from_file_test.go b/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_with_triple_slash_ref_from_file_test.go
new file mode 100644
index 00000000000..440413048be
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_with_triple_slash_ref_from_file_test.go
@@ -0,0 +1,24 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_forceConsistentCasingInFileNames_with_triple_slash_ref_from_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "forceConsistentCasingInFileNames",
+		SubScenario: "with triple slash ref from file",
+		IgnoreCase:  true,
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/c.ts":      "/// <reference path=\"./D.ts\"/>",
+			"/home/src/workspaces/project/src/d.ts":      "declare class c { }",
+			"/home/src/workspaces/project/tsconfig.json": "{ }",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_with_type_ref_from_file_test.go b/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_with_type_ref_from_file_test.go
new file mode 100644
index 00000000000..184389648b6
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_forceConsistentCasingInFileNames_with_type_ref_from_file_test.go
@@ -0,0 +1,27 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_forceConsistentCasingInFileNames_with_type_ref_from_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "forceConsistentCasingInFileNames",
+		SubScenario:     "with type ref from file",
+		CommandLineArgs: []string{"-p", "/user/username/projects/myproject", "--explainFiles", "--traceResolution"},
+		Cwd:             "/user/username/projects/myproject",
+		IgnoreCase:      true,
+		Files: tsctests.FileMap{
+			"/user/username/projects/myproject/src/file2.d.ts": `/// <reference types="./fileOne.d.ts"/>
+declare const y: c;`,
+			"/user/username/projects/myproject/src/fileOne.d.ts": "declare class c { }",
+			"/user/username/projects/myproject/tsconfig.json":    "{ }",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_generateTrace_generateTrace_generates_types_file_test.go b/internal/execute/tsctests/tests/tsc_generateTrace_generateTrace_generates_types_file_test.go
new file mode 100644
index 00000000000..b277e6fe2b3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_generateTrace_generateTrace_generates_types_file_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_generateTrace_generateTrace_generates_types_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "generateTrace",
+		SubScenario:     "generateTrace generates types file",
+		CommandLineArgs: []string{"--generateTrace", "/home/src/workspaces/project/trace", "--singleThreaded"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": `interface Person {
+    name: string;
+    age: number;
+}
+const p: Person = { name: "Alice", age: 30 };`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+        "noEmit": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_generateTrace_generateTrace_with_multiple_files_and_complex_types_test.go b/internal/execute/tsctests/tests/tsc_generateTrace_generateTrace_with_multiple_files_and_complex_types_test.go
new file mode 100644
index 00000000000..ba6096dd836
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_generateTrace_generateTrace_with_multiple_files_and_complex_types_test.go
@@ -0,0 +1,35 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_generateTrace_generateTrace_with_multiple_files_and_complex_types(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "generateTrace",
+		SubScenario:     "generateTrace with multiple files and complex types",
+		CommandLineArgs: []string{"--generateTrace", "/home/src/workspaces/project/trace", "--singleThreaded"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/main.ts": `import { Container, Nullable } from "./types";
+const c: Container<number> = { value: 42, map: (fn) => ({ value: fn(42), map: c.map }) };
+const n: Nullable<string> = "hello";`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+        "noEmit": true
+    }
+}`,
+			"/home/src/workspaces/project/types.ts": `export interface Container<T> {
+    value: T;
+    map<U>(fn: (x: T) => U): Container<U>;
+}
+export type Nullable<T> = T | null | undefined;`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_mixing_project_and_files_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_mixing_project_and_files_test.go
new file mode 100644
index 00000000000..3f42d3eb621
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_mixing_project_and_files_test.go
@@ -0,0 +1,27 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_mixing_project_and_files(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "mixing project and files",
+		CommandLineArgs: []string{"-p", ".", "src/a.ts", "c.ts"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "include": ["src"],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_mixing_project_and_files_when_config_file_absent_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_mixing_project_and_files_when_config_file_absent_test.go
new file mode 100644
index 00000000000..656a960d6bb
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_mixing_project_and_files_when_config_file_absent_test.go
@@ -0,0 +1,24 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_mixing_project_and_files_when_config_file_absent(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "mixing project and files when config file absent",
+		CommandLineArgs: []string{"-p", ".", "src/a.ts", "c.ts"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_mixing_project_and_files_when_config_file_absent_with_ignoreConfig_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_mixing_project_and_files_when_config_file_absent_with_ignoreConfig_test.go
new file mode 100644
index 00000000000..46f2a040099
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_mixing_project_and_files_when_config_file_absent_with_ignoreConfig_test.go
@@ -0,0 +1,24 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_mixing_project_and_files_when_config_file_absent_with_ignoreConfig(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "mixing project and files when config file absent with --ignoreConfig",
+		CommandLineArgs: []string{"-p", ".", "src/a.ts", "c.ts", "--ignoreConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_mixing_project_and_files_with_ignoreConfig_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_mixing_project_and_files_with_ignoreConfig_test.go
new file mode 100644
index 00000000000..1ed4e2f45fd
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_mixing_project_and_files_with_ignoreConfig_test.go
@@ -0,0 +1,27 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_mixing_project_and_files_with_ignoreConfig(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "mixing project and files with --ignoreConfig",
+		CommandLineArgs: []string{"-p", ".", "src/a.ts", "c.ts", "--ignoreConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "include": ["src"],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_files_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_files_test.go
new file mode 100644
index 00000000000..cbc251890e6
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_files_test.go
@@ -0,0 +1,27 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_specifying_files(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "specifying files",
+		CommandLineArgs: []string{"src/a.ts"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "include": ["src"],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_files_when_config_file_absent_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_files_when_config_file_absent_test.go
new file mode 100644
index 00000000000..7f7cccd7ec3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_files_when_config_file_absent_test.go
@@ -0,0 +1,24 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_specifying_files_when_config_file_absent(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "specifying files when config file absent",
+		CommandLineArgs: []string{"src/a.ts"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_files_when_config_file_absent_with_ignoreConfig_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_files_when_config_file_absent_with_ignoreConfig_test.go
new file mode 100644
index 00000000000..e489553245d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_files_when_config_file_absent_with_ignoreConfig_test.go
@@ -0,0 +1,24 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_specifying_files_when_config_file_absent_with_ignoreConfig(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "specifying files when config file absent with --ignoreConfig",
+		CommandLineArgs: []string{"src/a.ts", "--ignoreConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_files_with_ignoreConfig_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_files_with_ignoreConfig_test.go
new file mode 100644
index 00000000000..d4e87dab19b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_files_with_ignoreConfig_test.go
@@ -0,0 +1,27 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_specifying_files_with_ignoreConfig(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "specifying files with --ignoreConfig",
+		CommandLineArgs: []string{"src/a.ts", "--ignoreConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "include": ["src"],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_project_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_project_test.go
new file mode 100644
index 00000000000..3fcc64dd1bf
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_project_test.go
@@ -0,0 +1,27 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_specifying_project(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "specifying project",
+		CommandLineArgs: []string{"-p", "."},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "include": ["src"],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_project_when_config_file_absent_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_project_when_config_file_absent_test.go
new file mode 100644
index 00000000000..f01fec7def0
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_project_when_config_file_absent_test.go
@@ -0,0 +1,24 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_specifying_project_when_config_file_absent(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "specifying project when config file absent",
+		CommandLineArgs: []string{"-p", "."},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_project_when_config_file_absent_with_ignoreConfig_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_project_when_config_file_absent_with_ignoreConfig_test.go
new file mode 100644
index 00000000000..f3d0de8a138
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_project_when_config_file_absent_with_ignoreConfig_test.go
@@ -0,0 +1,24 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_specifying_project_when_config_file_absent_with_ignoreConfig(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "specifying project when config file absent with --ignoreConfig",
+		CommandLineArgs: []string{"-p", ".", "--ignoreConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_project_with_ignoreConfig_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_project_with_ignoreConfig_test.go
new file mode 100644
index 00000000000..e9530a8688d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_specifying_project_with_ignoreConfig_test.go
@@ -0,0 +1,27 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_specifying_project_with_ignoreConfig(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "specifying project with --ignoreConfig",
+		CommandLineArgs: []string{"-p", ".", "--ignoreConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "include": ["src"],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_without_any_options_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_without_any_options_test.go
new file mode 100644
index 00000000000..9b810c7d94b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_without_any_options_test.go
@@ -0,0 +1,26 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_without_any_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "ignoreConfig",
+		SubScenario: "without any options",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "include": ["src"],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_without_any_options_when_config_file_absent_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_without_any_options_when_config_file_absent_test.go
new file mode 100644
index 00000000000..cc10c9d5a3f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_without_any_options_when_config_file_absent_test.go
@@ -0,0 +1,23 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_without_any_options_when_config_file_absent(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "ignoreConfig",
+		SubScenario: "without any options when config file absent",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_without_any_options_when_config_file_absent_with_ignoreConfig_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_without_any_options_when_config_file_absent_with_ignoreConfig_test.go
new file mode 100644
index 00000000000..2997804477a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_without_any_options_when_config_file_absent_with_ignoreConfig_test.go
@@ -0,0 +1,24 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_without_any_options_when_config_file_absent_with_ignoreConfig(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "without any options when config file absent with --ignoreConfig",
+		CommandLineArgs: []string{"--ignoreConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_ignoreConfig_without_any_options_with_ignoreConfig_test.go b/internal/execute/tsctests/tests/tsc_ignoreConfig_without_any_options_with_ignoreConfig_test.go
new file mode 100644
index 00000000000..afc17362e37
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_ignoreConfig_without_any_options_with_ignoreConfig_test.go
@@ -0,0 +1,27 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_ignoreConfig_without_any_options_with_ignoreConfig(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "ignoreConfig",
+		SubScenario:     "without any options with --ignoreConfig",
+		CommandLineArgs: []string{"--ignoreConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/c.ts":     "export const c = 10;",
+			"/home/src/workspaces/project/src/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/src/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "include": ["src"],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_Compile_incremental_with_case_insensitive_file_names_test.go b/internal/execute/tsctests/tests/tsc_incremental_Compile_incremental_with_case_insensitive_file_names_test.go
new file mode 100644
index 00000000000..7b15afc8deb
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_Compile_incremental_with_case_insensitive_file_names_test.go
@@ -0,0 +1,52 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_Compile_incremental_with_case_insensitive_file_names(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "Compile incremental with case insensitive file names",
+		CommandLineArgs: []string{"-p", "."},
+		Cwd:             "/home/project",
+		IgnoreCase:      true,
+		Files: tsctests.FileMap{
+			"/home/node_modules/lib1/index.d.ts": `import type { Foo } from 'someLib';
+export type { Foo as Foo1 };`,
+			"/home/node_modules/lib1/package.json": `{
+    "name": "lib1"
+}`,
+			"/home/node_modules/lib2/index.d.ts": `import type { Foo } from 'somelib';
+export type { Foo as Foo2 };
+export declare const foo2: Foo;`,
+			"/home/node_modules/lib2/package.json": `{
+    "name": "lib2"
+}`,
+			"/home/node_modules/otherLib/index.d.ts": "export type Str = string;",
+			"/home/node_modules/otherLib/package.json": `{
+    "name": "otherlib"
+}`,
+			"/home/node_modules/someLib/index.d.ts": `import type { Str } from 'otherLib';
+export type Foo = { foo: Str; };`,
+			"/home/node_modules/someLib/package.json": `{
+    "name": "somelib"
+}`,
+			"/home/project/src/index.ts": `import type { Foo1 } from 'lib1';
+import type { Foo2 } from 'lib2';
+export const foo1: Foo1 = { foo: "a" };
+export const foo2: Foo2 = { foo: "b" };`,
+			"/home/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_change_to_modifier_of_class_expression_field_test.go b/internal/execute/tsctests/tests/tsc_incremental_change_to_modifier_of_class_expression_field_test.go
new file mode 100644
index 00000000000..455ec7a9b35
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_change_to_modifier_of_class_expression_field_test.go
@@ -0,0 +1,102 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_change_to_modifier_of_class_expression_field(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "change to modifier of class expression field",
+		CommandLineArgs: []string{"--incremental"},
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.d.ts": `/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+interface SymbolConstructor {
+    (desc?: string | number): symbol;
+    for(name: string): symbol;
+    readonly toStringTag: symbol;
+}
+declare var Symbol: SymbolConstructor;
+interface Symbol {
+    readonly [Symbol.toStringTag]: string;
+}
+declare const console: { log(msg: any): void; };
+type ReturnType<T extends (...args: any) => any> = T extends (...args: any) => infer R ? R : any;
+type InstanceType<T extends abstract new (...args: any) => any> = T extends abstract new (...args: any) => infer R ? R : any;`,
+			"/home/src/workspaces/project/MessageablePerson.ts": `const Messageable = () => {
+    return class MessageableClass {
+        public message = 'hello';
+    }
+};
+const wrapper = () => Messageable();
+type MessageablePerson = InstanceType<ReturnType<typeof wrapper>>;
+export default MessageablePerson;`,
+			"/home/src/workspaces/project/main.ts": `import MessageablePerson from './MessageablePerson.js';
+function logMessage( person: MessageablePerson ) {
+    console.log( person.message );
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{ 
+    "compilerOptions": { 
+        "module": "esnext"
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "modify public to protected",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/MessageablePerson.ts", `const Messageable = () => {
+    return class MessageableClass {
+        protected message = 'hello';
+    }
+};
+const wrapper = () => Messageable();
+type MessageablePerson = InstanceType<ReturnType<typeof wrapper>>;
+export default MessageablePerson;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "modify protected to public",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/MessageablePerson.ts", `const Messageable = () => {
+    return class MessageableClass {
+        public message = 'hello';
+    }
+};
+const wrapper = () => Messageable();
+type MessageablePerson = InstanceType<ReturnType<typeof wrapper>>;
+export default MessageablePerson;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_change_to_modifier_of_class_expression_field_with_declaration_emit_enabled_test.go b/internal/execute/tsctests/tests/tsc_incremental_change_to_modifier_of_class_expression_field_with_declaration_emit_enabled_test.go
new file mode 100644
index 00000000000..740dd2cfc38
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_change_to_modifier_of_class_expression_field_with_declaration_emit_enabled_test.go
@@ -0,0 +1,103 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_change_to_modifier_of_class_expression_field_with_declaration_emit_enabled(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "change to modifier of class expression field with declaration emit enabled",
+		CommandLineArgs: []string{"--incremental"},
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.d.ts": `/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+interface SymbolConstructor {
+    (desc?: string | number): symbol;
+    for(name: string): symbol;
+    readonly toStringTag: symbol;
+}
+declare var Symbol: SymbolConstructor;
+interface Symbol {
+    readonly [Symbol.toStringTag]: string;
+}
+declare const console: { log(msg: any): void; };
+type ReturnType<T extends (...args: any) => any> = T extends (...args: any) => infer R ? R : any;
+type InstanceType<T extends abstract new (...args: any) => any> = T extends abstract new (...args: any) => infer R ? R : any;`,
+			"/home/src/workspaces/project/MessageablePerson.ts": `const Messageable = () => {
+    return class MessageableClass {
+        public message = 'hello';
+    }
+};
+const wrapper = () => Messageable();
+type MessageablePerson = InstanceType<ReturnType<typeof wrapper>>;
+export default MessageablePerson;`,
+			"/home/src/workspaces/project/main.ts": `import MessageablePerson from './MessageablePerson.js';
+function logMessage( person: MessageablePerson ) {
+    console.log( person.message );
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{ 
+    "compilerOptions": {
+        "module": "esnext",
+        "declaration": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "modify public to protected",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/MessageablePerson.ts", `const Messageable = () => {
+    return class MessageableClass {
+        protected message = 'hello';
+    }
+};
+const wrapper = () => Messageable();
+type MessageablePerson = InstanceType<ReturnType<typeof wrapper>>;
+export default MessageablePerson;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "modify protected to public",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/MessageablePerson.ts", `const Messageable = () => {
+    return class MessageableClass {
+        public message = 'hello';
+    }
+};
+const wrapper = () => Messageable();
+type MessageablePerson = InstanceType<ReturnType<typeof wrapper>>;
+export default MessageablePerson;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_change_to_type_that_gets_used_as_global_through_export_in_another_file_test.go b/internal/execute/tsctests/tests/tsc_incremental_change_to_type_that_gets_used_as_global_through_export_in_another_file_test.go
new file mode 100644
index 00000000000..b501ebd3a63
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_change_to_type_that_gets_used_as_global_through_export_in_another_file_test.go
@@ -0,0 +1,36 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_change_to_type_that_gets_used_as_global_through_export_in_another_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "incremental",
+		SubScenario: "change to type that gets used as global through export in another file",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/class1.ts": `const a: MagicNumber = 1;
+console.log(a);`,
+			"/home/src/workspaces/project/constants.ts": "export default 1;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+			"/home/src/workspaces/project/types.d.ts": "type MagicNumber = typeof import('./constants').default",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Modify imports used in global file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/constants.ts", "export default 2;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_change_to_type_that_gets_used_as_global_through_export_in_another_file_through_indirect_import_test.go b/internal/execute/tsctests/tests/tsc_incremental_change_to_type_that_gets_used_as_global_through_export_in_another_file_through_indirect_import_test.go
new file mode 100644
index 00000000000..3585dbd809b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_change_to_type_that_gets_used_as_global_through_export_in_another_file_through_indirect_import_test.go
@@ -0,0 +1,37 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_change_to_type_that_gets_used_as_global_through_export_in_another_file_through_indirect_import(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "incremental",
+		SubScenario: "change to type that gets used as global through export in another file through indirect import",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/class1.ts": `const a: MagicNumber = 1;
+console.log(a);`,
+			"/home/src/workspaces/project/constants.ts": "export default 1;",
+			"/home/src/workspaces/project/reexport.ts":  "export { default as ConstantNumber } from \"./constants\"",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+			"/home/src/workspaces/project/types.d.ts": "type MagicNumber = typeof import('./reexport').ConstantNumber",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Modify imports used in global file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/constants.ts", "export default 2;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_const_enums_aliased_in_different_file_test.go b/internal/execute/tsctests/tests/tsc_incremental_const_enums_aliased_in_different_file_test.go
new file mode 100644
index 00000000000..1eeab88f8eb
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_const_enums_aliased_in_different_file_test.go
@@ -0,0 +1,62 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_const_enums_aliased_in_different_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "const enums aliased in different file",
+		CommandLineArgs: []string{"-i", "a.ts", "--tsbuildinfofile", "a.tsbuildinfo"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": `import {A} from "./c"
+let a = A.ONE`,
+			"/home/src/workspaces/project/b.d.ts": "export { AWorker as A } from \"./worker\";",
+			"/home/src/workspaces/project/c.ts": `import {A} from "./b"
+let b = A.ONE
+export {A}`,
+			"/home/src/workspaces/project/worker.d.ts": `export const enum AWorker {
+    ONE = 1
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change enum value",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/worker.d.ts", `export const enum AWorker {
+    ONE = 2
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change enum value again",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/worker.d.ts", `export const enum AWorker {
+    ONE = 3
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "something else changes in b.d.ts",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/b.d.ts", "export { AWorker as A } from \"./worker\";export const randomThing = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "something else changes in b.d.ts again",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/b.d.ts", "export { AWorker as A } from \"./worker\";export const randomThing = 10;export const randomThing2 = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_const_enums_aliased_test.go b/internal/execute/tsctests/tests/tsc_incremental_const_enums_aliased_test.go
new file mode 100644
index 00000000000..234a07dfbea
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_const_enums_aliased_test.go
@@ -0,0 +1,73 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_const_enums_aliased(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "const enums aliased",
+		CommandLineArgs: []string{"-i", "a.ts", "--tsbuildinfofile", "a.tsbuildinfo"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": `import {A} from "./c"
+let a = A.ONE`,
+			"/home/src/workspaces/project/b.d.ts": `export const enum AWorker {
+    ONE = 1
+}
+export { AWorker as A };`,
+			"/home/src/workspaces/project/c.ts": `import {A} from "./b"
+let b = A.ONE
+export {A}`,
+			"/home/src/workspaces/project/worker.d.ts": `export const enum AWorker {
+    ONE = 1
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change enum value",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/b.d.ts", `export const enum AWorker {
+    ONE = 2
+}
+export { AWorker as A };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change enum value again",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/b.d.ts", `export const enum AWorker {
+    ONE = 3
+}
+export { AWorker as A };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "something else changes in b.d.ts",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/b.d.ts", `export const enum AWorker {
+    ONE = 3
+}
+export { AWorker as A };export const randomThing = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "something else changes in b.d.ts again",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/b.d.ts", `export const enum AWorker {
+    ONE = 3
+}
+export { AWorker as A };export const randomThing = 10;export const randomThing2 = 10;`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_const_enums_test.go b/internal/execute/tsctests/tests/tsc_incremental_const_enums_test.go
new file mode 100644
index 00000000000..50efce785c4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_const_enums_test.go
@@ -0,0 +1,68 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_const_enums(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "const enums",
+		CommandLineArgs: []string{"-i", "a.ts", "--tsbuildinfofile", "a.tsbuildinfo"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": `import {A} from "./c"
+let a = A.ONE`,
+			"/home/src/workspaces/project/b.d.ts": `export const enum A {
+    ONE = 1
+}`,
+			"/home/src/workspaces/project/c.ts": `import {A} from "./b"
+let b = A.ONE
+export {A}`,
+			"/home/src/workspaces/project/worker.d.ts": `export const enum AWorker {
+    ONE = 1
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change enum value",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/b.d.ts", `export const enum A {
+    ONE = 2
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change enum value again",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/b.d.ts", `export const enum A {
+    ONE = 3
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "something else changes in b.d.ts",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/b.d.ts", `export const enum A {
+    ONE = 3
+}export const randomThing = 10;`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "something else changes in b.d.ts again",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/b.d.ts", `export const enum A {
+    ONE = 3
+}export const randomThing = 10;export const randomThing2 = 10;`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_const_enums_with_refCycle_test.go b/internal/execute/tsctests/tests/tsc_incremental_const_enums_with_refCycle_test.go
new file mode 100644
index 00000000000..aeee1bbda1a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_const_enums_with_refCycle_test.go
@@ -0,0 +1,56 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_const_enums_with_refCycle(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "const enums with refCycle",
+		CommandLineArgs: []string{},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/aworker.ts": "export const AWorker  = 10",
+			"/home/src/workspaces/project/b.ts": `import { AWorker } from "./aworker"
+import { A as ACycle } from "./c"
+export const enum A {
+    ONE = 1
+}`,
+			"/home/src/workspaces/project/c.ts": `import {A} from "./b"
+let b = A.ONE
+export {A}`,
+			"/home/src/workspaces/project/file.ts": `import {A} from "./c"
+let a = A.ONE`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change aworker",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/aworker.ts", "export const AWorker  = 20")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "change aworker and enum value",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/aworker.ts", "export const AWorker  = 30")
+			sys.WriteFile("/home/src/workspaces/project/b.ts", `import { AWorker } from "./aworker"
+import { A as ACycle } from "./c"
+export const enum A {
+    ONE = 2
+}`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_generates_typerefs_correctly_test.go b/internal/execute/tsctests/tests/tsc_incremental_generates_typerefs_correctly_test.go
new file mode 100644
index 00000000000..768810b4c3b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_generates_typerefs_correctly_test.go
@@ -0,0 +1,76 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_generates_typerefs_correctly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "incremental",
+		SubScenario: "generates typerefs correctly",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/box.ts": `export interface Box<T> {
+    unbox(): T
+}`,
+			"/home/src/workspaces/project/src/bug.js": `import * as B from "./box.js"
+import * as W from "./wrap.js"
+
+/**
+ * @template {object} C
+ * @param {C} source
+ * @returns {W.Wrap<C>}
+ */
+const wrap = source => {
+throw source
+}
+
+/**
+ * @returns {B.Box<number>}
+ */
+const box = (n = 0) => ({ unbox: () => n })
+
+export const bug = wrap({ n: box(1) });`,
+			"/home/src/workspaces/project/src/wrap.ts": `export type Wrap<C> = {
+    [K in keyof C]: { wrapped: C[K] }
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "outDir",
+        "checkJs": true
+    },
+    "include": ["src"],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "modify js file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/bug.js", `import * as B from "./box.js"
+import * as W from "./wrap.js"
+
+/**
+ * @template {object} C
+ * @param {C} source
+ * @returns {W.Wrap<C>}
+ */
+const wrap = source => {
+throw source
+}
+
+/**
+ * @returns {B.Box<number>}
+ */
+const box = (n = 0) => ({ unbox: () => n })
+
+export const bug = wrap({ n: box(1) });export const something = 1;`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_internal_symbolname_in_tsbuildInfo_test.go b/internal/execute/tsctests/tests/tsc_incremental_internal_symbolname_in_tsbuildInfo_test.go
new file mode 100644
index 00000000000..965d52e6886
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_internal_symbolname_in_tsbuildInfo_test.go
@@ -0,0 +1,121 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_internal_symbolname_in_tsbuildInfo(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "internal symbolname in tsbuildInfo",
+		CommandLineArgs: []string{""},
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.es2015.iterable.d.ts": `interface SymbolConstructor {
+    readonly iterator: unique symbol;
+}
+interface IteratorYieldResult<TYield> {
+    done?: false;
+    value: TYield;
+}
+interface IteratorReturnResult<TReturn> {
+    done: true;
+    value: TReturn;
+}
+type IteratorResult<T, TReturn = any> = IteratorYieldResult<T> | IteratorReturnResult<TReturn>;
+interface Iterator<T, TReturn = any, TNext = any> {
+    // NOTE: 'next' is defined using a tuple to ensure we report the correct assignability errors in all places.
+    next(...[value]: [] | [TNext]): IteratorResult<T, TReturn>;
+    return?(value?: TReturn): IteratorResult<T, TReturn>;
+    throw?(e?: any): IteratorResult<T, TReturn>;
+}
+interface Iterable<T, TReturn = any, TNext = any> {
+    [Symbol.iterator](): Iterator<T, TReturn, TNext>;
+}
+interface IterableIterator<T, TReturn = any, TNext = any> extends Iterator<T, TReturn, TNext> {
+    [Symbol.iterator](): IterableIterator<T, TReturn, TNext>;
+}
+interface IteratorObject<T, TReturn = unknown, TNext = unknown> extends Iterator<T, TReturn, TNext> {
+    [Symbol.iterator](): IteratorObject<T, TReturn, TNext>;
+}
+type BuiltinIteratorReturn = intrinsic;
+interface ArrayIterator<T> extends IteratorObject<T, BuiltinIteratorReturn, unknown> {
+    [Symbol.iterator](): ArrayIterator<T>;
+}
+interface Array<T> {
+    [Symbol.iterator](): ArrayIterator<T>;
+    entries(): ArrayIterator<[number, T]>;
+    keys(): ArrayIterator<number>;
+    values(): ArrayIterator<T>;
+}`,
+			"/home/src/tslibs/TS/Lib/lib.es2017.full.d.ts": `/// <reference lib="es2015.iterable"/>
+interface File {
+}
+interface FileList {
+    readonly length: number;
+    item(index: number): File | null;
+    [index: number]: File;
+    [Symbol.iterator](): ArrayIterator<File>;
+}/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+interface SymbolConstructor {
+    (desc?: string | number): symbol;
+    for(name: string): symbol;
+    readonly toStringTag: symbol;
+}
+declare var Symbol: SymbolConstructor;
+interface Symbol {
+    readonly [Symbol.toStringTag]: string;
+}
+declare const console: { log(msg: any): void; };`,
+			"/home/src/workspaces/project/a.ts": `const createFileListFromFiles = (files: File[]): FileList => {
+const fileList: FileList = {
+    length: files.length,
+    item: (index: number): File | null => files[index] || null,
+    [Symbol.iterator]: function* (): IterableIterator<File> {
+    for (const file of files) yield file;
+    },
+    ...files,
+} as unknown as FileList;
+
+return fileList;
+};`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es2017",
+        "strict": true,
+        "esModuleInterop": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "no change with incremental",
+		CommandLineArgs: []string{"--incremental"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "no change with incremental that reads buildInfo",
+		CommandLineArgs: []string{"--incremental"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_js_file_with_import_in_jsdoc_in_composite_project_test.go b/internal/execute/tsctests/tests/tsc_incremental_js_file_with_import_in_jsdoc_in_composite_project_test.go
new file mode 100644
index 00000000000..da52244e131
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_js_file_with_import_in_jsdoc_in_composite_project_test.go
@@ -0,0 +1,44 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_js_file_with_import_in_jsdoc_in_composite_project(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "js file with import in jsdoc in composite project",
+		CommandLineArgs: []string{"--noEmit"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.js": `test("", async function () {
+  ;(/** @type {typeof import("a")} */ ({}))
+})
+
+test("", async function () {
+  ;(/** @type {typeof import("a")} */ a)
+})
+
+test("", async function () {
+  (/** @type {typeof import("a")} */ ({}))
+  ;(/** @type {typeof import("a")} */ ({}))
+})
+
+test("", async function () {
+  (/** @type {typeof import("a")} */ a)
+  ;(/** @type {typeof import("a")} */ a)
+})
+
+test("", async function () {
+  (/** @type {typeof import("a")} */ ({}))
+  ;(/** @type {typeof import("a")} */ ({}))
+})`,
+			"/home/src/workspaces/project/tsconfig.json": "{\"compilerOptions\": {\"allowJs\": true, \"composite\": true}}",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_option_changes_with_composite_test.go b/internal/execute/tsctests/tests/tsc_incremental_option_changes_with_composite_test.go
new file mode 100644
index 00000000000..cfbec6a4a23
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_option_changes_with_composite_test.go
@@ -0,0 +1,103 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_option_changes_with_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "incremental",
+		SubScenario: "option changes with composite",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = 10;const aLocal = 10;",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;const bLocal = 10;",
+			"/home/src/workspaces/project/c.ts": "import { a } from \"./a\";export const c = a;",
+			"/home/src/workspaces/project/d.ts": "import { b } from \"./b\";export const d = b;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with sourceMap",
+		CommandLineArgs: []string{"--sourceMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "should re-emit only js so they dont contain sourcemap",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration should not emit anything",
+		CommandLineArgs: []string{"--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration and declarationMap",
+		CommandLineArgs: []string{"--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "should re-emit only dts so they dont contain sourcemap",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with emitDeclarationOnly should not emit anything",
+		CommandLineArgs: []string{"--emitDeclarationOnly"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = 10;const aLocal = 100;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration should not emit anything",
+		CommandLineArgs: []string{"--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with inlineSourceMap",
+		CommandLineArgs: []string{"--inlineSourceMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with sourceMap",
+		CommandLineArgs: []string{"--sourceMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "declarationMap enabling",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.json", `{
+    "compilerOptions": {
+        "composite": true,        "declarationMap": true
+    }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with sourceMap should not emit d.ts",
+		CommandLineArgs: []string{"--sourceMap"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_option_changes_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_incremental_option_changes_with_incremental_test.go
new file mode 100644
index 00000000000..d5858f65753
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_option_changes_with_incremental_test.go
@@ -0,0 +1,92 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_option_changes_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "incremental",
+		SubScenario: "option changes with incremental",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = 10;const aLocal = 10;",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;const bLocal = 10;",
+			"/home/src/workspaces/project/c.ts": "import { a } from \"./a\";export const c = a;",
+			"/home/src/workspaces/project/d.ts": "import { b } from \"./b\";export const d = b;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with sourceMap",
+		CommandLineArgs: []string{"--sourceMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "should re-emit only js so they dont contain sourcemap",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration, emit Dts and should not emit js",
+		CommandLineArgs: []string{"--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration and declarationMap",
+		CommandLineArgs: []string{"--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "local change",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = 10;const aLocal = 100;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration and declarationMap",
+		CommandLineArgs: []string{"--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with inlineSourceMap",
+		CommandLineArgs: []string{"--inlineSourceMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with sourceMap",
+		CommandLineArgs: []string{"--sourceMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "emit js files",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration and declarationMap",
+		CommandLineArgs: []string{"--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with declaration and declarationMap, should not re-emit",
+		CommandLineArgs: []string{"--declaration", "--declarationMap"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_react_jsx_emit_mode_with_no_backing_types_found_doesnt_crash_test.go b/internal/execute/tsctests/tests/tsc_incremental_react_jsx_emit_mode_with_no_backing_types_found_doesnt_crash_test.go
new file mode 100644
index 00000000000..fd36585d4b8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_react_jsx_emit_mode_with_no_backing_types_found_doesnt_crash_test.go
@@ -0,0 +1,41 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_react_jsx_emit_mode_with_no_backing_types_found_doesnt_crash(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "incremental",
+		SubScenario: "react-jsx-emit-mode with no backing types found doesnt crash",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/node_modules/@types/react/index.d.ts": `export {};
+declare global {
+    namespace JSX {
+        interface Element {}
+        interface IntrinsicElements {
+            div: {
+                propA?: boolean;
+            };
+        }
+    }
+}`,
+			"/home/src/workspaces/project/node_modules/react/jsx-runtime.js": "export {}",
+			"/home/src/workspaces/project/src/index.tsx":                     "export const App = () => <div propA={true}></div>;",
+			"/home/src/workspaces/project/tsconfig.json": `{ 
+    "compilerOptions": { 
+        "module": "commonjs",
+        "jsx": "react-jsx", 
+        "incremental": true, 
+        "jsxImportSource": "react" 
+    } 
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_react_jsx_emit_mode_with_no_backing_types_found_doesnt_crash_under_strict_test.go b/internal/execute/tsctests/tests/tsc_incremental_react_jsx_emit_mode_with_no_backing_types_found_doesnt_crash_under_strict_test.go
new file mode 100644
index 00000000000..bb4f8e7a78a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_react_jsx_emit_mode_with_no_backing_types_found_doesnt_crash_under_strict_test.go
@@ -0,0 +1,42 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_react_jsx_emit_mode_with_no_backing_types_found_doesnt_crash_under_strict(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "react-jsx-emit-mode with no backing types found doesnt crash under --strict",
+		CommandLineArgs: []string{"--strict"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/node_modules/@types/react/index.d.ts": `export {};
+declare global {
+    namespace JSX {
+        interface Element {}
+        interface IntrinsicElements {
+            div: {
+                propA?: boolean;
+            };
+        }
+    }
+}`,
+			"/home/src/workspaces/project/node_modules/react/jsx-runtime.js": "export {}",
+			"/home/src/workspaces/project/src/index.tsx":                     "export const App = () => <div propA={true}></div>;",
+			"/home/src/workspaces/project/tsconfig.json": `{ 
+    "compilerOptions": { 
+        "module": "commonjs",
+        "jsx": "react-jsx", 
+        "incremental": true, 
+        "jsxImportSource": "react" 
+    } 
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_serializing_composite_project_test.go b/internal/execute/tsctests/tests/tsc_incremental_serializing_composite_project_test.go
new file mode 100644
index 00000000000..b22da0b5bba
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_serializing_composite_project_test.go
@@ -0,0 +1,29 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_serializing_composite_project(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "incremental",
+		SubScenario: "serializing composite project",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.tsx": "export const a = 1;",
+			"/home/src/workspaces/project/other.ts":  "export const b = 2;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "strict": true,
+        "module": "esnext",
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_serializing_error_chain_test.go b/internal/execute/tsctests/tests/tsc_incremental_serializing_error_chain_test.go
new file mode 100644
index 00000000000..72d528a6eff
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_serializing_error_chain_test.go
@@ -0,0 +1,45 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_serializing_error_chain(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "incremental",
+		SubScenario: "serializing error chain",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/index.tsx": `declare namespace JSX {
+    interface ElementChildrenAttribute { children: {}; }
+    interface IntrinsicElements { div: {} }
+}
+
+declare var React: any;
+
+declare function Component(props: never): any;
+declare function Component(props: { children?: number }): any;
+(<Component>
+    <div />
+    <div />
+</Component>)`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "strict": true,
+        "jsx": "react",
+        "module": "esnext",
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_tsbuildinfo_has_error_test.go b/internal/execute/tsctests/tests/tsc_incremental_tsbuildinfo_has_error_test.go
new file mode 100644
index 00000000000..6c8aa4837f5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_tsbuildinfo_has_error_test.go
@@ -0,0 +1,31 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_tsbuildinfo_has_error(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "tsbuildinfo has error",
+		CommandLineArgs: []string{"-i"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/main.ts":              "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json":        "{}",
+			"/home/src/workspaces/project/tsconfig.tsbuildinfo": "Some random string",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "tsbuildinfo written has error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/tsconfig.tsbuildinfo", "Some random string{\"version\":\"FakeTSVersion\",\"root\":[2],\"fileNames\":[\"lib.es2025.full.d.ts\",\"./main.ts\"],\"fileInfos\":[{\"version\":\"8859c12c614ce56ba9a18e58384a198f-/// <reference no-default-lib=\\\"true\\\"/>\\ninterface Boolean {}\\ninterface Function {}\\ninterface CallableFunction {}\\ninterface NewableFunction {}\\ninterface IArguments {}\\ninterface Number { toExponential: any; }\\ninterface Object {}\\ninterface RegExp {}\\ninterface String { charAt: any; }\\ninterface Array<T> { length: number; [n: number]: T; }\\ninterface ReadonlyArray<T> {}\\ninterface SymbolConstructor {\\n    (desc?: string | number): symbol;\\n    for(name: string): symbol;\\n    readonly toStringTag: symbol;\\n}\\ndeclare var Symbol: SymbolConstructor;\\ninterface Symbol {\\n    readonly [Symbol.toStringTag]: string;\\n}\\ndeclare const console: { log(msg: any): void; };\",\"affectsGlobalScope\":true,\"impliedNodeFormat\":1},\"28e8748a7acd58f4f59388926e914f86-export const x = 10;\"]}")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_when_file_is_deleted_test.go b/internal/execute/tsctests/tests/tsc_incremental_when_file_is_deleted_test.go
new file mode 100644
index 00000000000..9220dcbd1b4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_when_file_is_deleted_test.go
@@ -0,0 +1,35 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_when_file_is_deleted(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "incremental",
+		SubScenario: "when file is deleted",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/file1.ts": "export class  C { }",
+			"/home/src/workspaces/project/file2.ts": "export class D { }",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "outDir"
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete file with imports",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/file2.ts")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_when_global_file_is_added_the_signatures_are_updated_test.go b/internal/execute/tsctests/tests/tsc_incremental_when_global_file_is_added_the_signatures_are_updated_test.go
new file mode 100644
index 00000000000..2757cf9583d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_when_global_file_is_added_the_signatures_are_updated_test.go
@@ -0,0 +1,82 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_when_global_file_is_added_the_signatures_are_updated(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "when global file is added, the signatures are updated",
+		CommandLineArgs: []string{},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/anotherFileWithSameReferenes.ts": `/// <reference path="./filePresent.ts"/>
+/// <reference path="./fileNotFound.ts"/>
+function anotherFileWithSameReferenes() { }`,
+			"/home/src/workspaces/project/src/filePresent.ts": "function something() { return 10; }",
+			"/home/src/workspaces/project/src/main.ts": `/// <reference path="./filePresent.ts"/>
+/// <reference path="./fileNotFound.ts"/>
+function main() { }`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": { "composite": true },
+    "include": ["src/**/*.ts"],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Modify main file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/main.ts", `/// <reference path="./filePresent.ts"/>
+/// <reference path="./fileNotFound.ts"/>
+function main() { }something();`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Modify main file again",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/main.ts", `/// <reference path="./filePresent.ts"/>
+/// <reference path="./fileNotFound.ts"/>
+function main() { }something();something();`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Add new file and update main file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/main.ts", `/// <reference path="./newFile.ts"/>
+/// <reference path="./filePresent.ts"/>
+/// <reference path="./fileNotFound.ts"/>
+function main() { }something();something();foo();`)
+			sys.WriteFile("/home/src/workspaces/project/src/newFile.ts", "function foo() { return 20; }")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Write file that could not be resolved",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/fileNotFound.ts", "function something2() { return 20; }")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Modify main file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/main.ts", `/// <reference path="./newFile.ts"/>
+/// <reference path="./filePresent.ts"/>
+/// <reference path="./fileNotFound.ts"/>
+function main() { }something();something();foo();something();`)
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_when_passing_filename_for_buildinfo_on_commandline_test.go b/internal/execute/tsctests/tests/tsc_incremental_when_passing_filename_for_buildinfo_on_commandline_test.go
new file mode 100644
index 00000000000..cb693f81aea
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_when_passing_filename_for_buildinfo_on_commandline_test.go
@@ -0,0 +1,35 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_when_passing_filename_for_buildinfo_on_commandline(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "when passing filename for buildinfo on commandline",
+		CommandLineArgs: []string{"--incremental", "--tsBuildInfoFile", ".tsbuildinfo", "--explainFiles"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/main.ts": "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es5",
+        "module": "commonjs"
+    },
+    "include": [
+        "src/**/*.ts"
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_when_passing_rootDir_from_commandline_test.go b/internal/execute/tsctests/tests/tsc_incremental_when_passing_rootDir_from_commandline_test.go
new file mode 100644
index 00000000000..b983a9cdf02
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_when_passing_rootDir_from_commandline_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_when_passing_rootDir_from_commandline(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "when passing rootDir from commandline",
+		CommandLineArgs: []string{"--rootDir", "src"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/main.ts": "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "outDir": "dist"
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_when_passing_rootDir_is_in_the_tsconfig_test.go b/internal/execute/tsctests/tests/tsc_incremental_when_passing_rootDir_is_in_the_tsconfig_test.go
new file mode 100644
index 00000000000..0a86a64171f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_when_passing_rootDir_is_in_the_tsconfig_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_when_passing_rootDir_is_in_the_tsconfig(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "incremental",
+		SubScenario: "when passing rootDir is in the tsconfig",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/main.ts": "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "outDir": "dist",
+        "rootDir": "./"
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_when_there_is_bind_diagnostics_thats_ignored_test.go b/internal/execute/tsctests/tests/tsc_incremental_when_there_is_bind_diagnostics_thats_ignored_test.go
new file mode 100644
index 00000000000..61ab11e149c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_when_there_is_bind_diagnostics_thats_ignored_test.go
@@ -0,0 +1,42 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_when_there_is_bind_diagnostics_thats_ignored(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "when there is bind diagnostics thats ignored",
+		CommandLineArgs: []string{""},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = 10;",
+			"/home/src/workspaces/project/b.d.ts": `interface NoName {
+    Profiler: new ({ sampleInterval: number, maxBufferSize: number }) => {
+        stop: () => Promise<any>;
+    };
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "skipLibCheck": true,
+        "incremental": true,
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "no change and tsc -b",
+		CommandLineArgs: []string{"-b", "-v"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_incremental_with_only_dts_files_test.go b/internal/execute/tsctests/tests/tsc_incremental_with_only_dts_files_test.go
new file mode 100644
index 00000000000..5032d6e1659
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_incremental_with_only_dts_files_test.go
@@ -0,0 +1,35 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_incremental_with_only_dts_files(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "incremental",
+		SubScenario:     "with only dts files",
+		CommandLineArgs: []string{"--incremental"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/another.d.ts": "export const y = 10;",
+			"/home/src/workspaces/project/src/main.d.ts":    "export const x = 10;",
+			"/home/src/workspaces/project/tsconfig.json":    "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "modify d.ts file",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/main.d.ts", "export const x = 10;export const xy = 100;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_libraryResolution_unknown_lib_test.go b/internal/execute/tsctests/tests/tsc_libraryResolution_unknown_lib_test.go
new file mode 100644
index 00000000000..54f637eaf62
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_libraryResolution_unknown_lib_test.go
@@ -0,0 +1,38 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_libraryResolution_unknown_lib(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "libraryResolution",
+		SubScenario:     "unknown lib",
+		CommandLineArgs: []string{"-p", "project1", "--explainFiles"},
+		Cwd:             "/home/src/workspace/projects",
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.scripthost.d.ts":     "interface ScriptHostInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.webworker.d.ts":      "interface WebWorkerInterface { }",
+			"/home/src/workspace/projects/project1/core.d.ts": "export const core = 10;",
+			"/home/src/workspace/projects/project1/file.ts":   "export const file = 10;",
+			"/home/src/workspace/projects/project1/file2.ts": `/// <reference lib="webworker2"/>
+/// <reference lib="unknownlib"/>
+/// <reference lib="scripthost"/>`,
+			"/home/src/workspace/projects/project1/index.ts": "export const x = \"type1\";",
+			"/home/src/workspace/projects/project1/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project1/utils.d.ts": "export const y = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_libraryResolution_when_noLib_toggles_test.go b/internal/execute/tsctests/tests/tsc_libraryResolution_when_noLib_toggles_test.go
new file mode 100644
index 00000000000..c40e6e14d50
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_libraryResolution_when_noLib_toggles_test.go
@@ -0,0 +1,34 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_libraryResolution_when_noLib_toggles(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "libraryResolution",
+		SubScenario: "when noLib toggles",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.d.ts": "declare const a = \"hello\";",
+			"/home/src/workspaces/project/b.ts":   "const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": true,
+        "lib": ["es6"],
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "with --noLib",
+		CommandLineArgs: []string{"--noLib"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_libraryResolution_with_config_test.go b/internal/execute/tsctests/tests/tsc_libraryResolution_with_config_test.go
new file mode 100644
index 00000000000..20bd8b46435
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_libraryResolution_with_config_test.go
@@ -0,0 +1,73 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_libraryResolution_with_config(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "libraryResolution",
+		SubScenario:     "with config",
+		CommandLineArgs: []string{"-p", "project1", "--explainFiles"},
+		Cwd:             "/home/src/workspace/projects",
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.dom.d.ts":                                       "interface DOMInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.scripthost.d.ts":                                "interface ScriptHostInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.webworker.d.ts":                                 "interface WebWorkerInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/unlreated/index.d.ts": "export const unrelated = 10;",
+			"/home/src/workspace/projects/project1/core.d.ts":                            "export const core = 10;",
+			"/home/src/workspace/projects/project1/file.ts":                              "export const file = 10;",
+			"/home/src/workspace/projects/project1/file2.ts": `/// <reference lib="webworker"/>
+/// <reference lib="scripthost"/>
+/// <reference lib="es5"/>`,
+			"/home/src/workspace/projects/project1/index.ts": "export const x = \"type1\";",
+			"/home/src/workspace/projects/project1/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "typeRoots": ["./typeroot1"],
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": false
+    }
+}`,
+			"/home/src/workspace/projects/project1/typeroot1/sometype/index.d.ts": "export type TheNum = \"type1\";",
+			"/home/src/workspace/projects/project1/utils.d.ts":                    "export const y = 10;",
+			"/home/src/workspace/projects/project2/index.ts":                      "export const y = 10",
+			"/home/src/workspace/projects/project2/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": false
+    }
+}`,
+			"/home/src/workspace/projects/project2/utils.d.ts": "export const y = 10;",
+			"/home/src/workspace/projects/project3/index.ts":   "export const z = 10",
+			"/home/src/workspace/projects/project3/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": false
+    }
+}`,
+			"/home/src/workspace/projects/project3/utils.d.ts": "export const y = 10;",
+			"/home/src/workspace/projects/project4/index.ts":   "export const z = 10",
+			"/home/src/workspace/projects/project4/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["esnext", "dom", "webworker"],
+        "traceResolution": true,
+        "libReplacement": false
+    }
+}`,
+			"/home/src/workspace/projects/project4/utils.d.ts": "export const y = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_libraryResolution_with_config_with_libReplacement_test.go b/internal/execute/tsctests/tests/tsc_libraryResolution_with_config_with_libReplacement_test.go
new file mode 100644
index 00000000000..f6fe0765745
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_libraryResolution_with_config_with_libReplacement_test.go
@@ -0,0 +1,120 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_libraryResolution_with_config_with_libReplacement(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "libraryResolution",
+		SubScenario:     "with config with libReplacement",
+		CommandLineArgs: []string{"-p", "project1", "--explainFiles"},
+		Cwd:             "/home/src/workspace/projects",
+		Files: tsctests.FileMap{
+			"/home/src/tslibs/TS/Lib/lib.dom.d.ts":                                     "interface DOMInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.scripthost.d.ts":                              "interface ScriptHostInterface { }",
+			"/home/src/tslibs/TS/Lib/lib.webworker.d.ts":                               "interface WebWorkerInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/lib-dom/index.d.ts": "interface DOMInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/lib-es5/index.d.ts": `/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+interface SymbolConstructor {
+    (desc?: string | number): symbol;
+    for(name: string): symbol;
+    readonly toStringTag: symbol;
+}
+declare var Symbol: SymbolConstructor;
+interface Symbol {
+    readonly [Symbol.toStringTag]: string;
+}
+declare const console: { log(msg: any): void; };`,
+			"/home/src/workspace/projects/node_modules/@typescript/lib-esnext/index.d.ts": `/// <reference no-default-lib="true"/>
+interface Boolean {}
+interface Function {}
+interface CallableFunction {}
+interface NewableFunction {}
+interface IArguments {}
+interface Number { toExponential: any; }
+interface Object {}
+interface RegExp {}
+interface String { charAt: any; }
+interface Array<T> { length: number; [n: number]: T; }
+interface ReadonlyArray<T> {}
+interface SymbolConstructor {
+    (desc?: string | number): symbol;
+    for(name: string): symbol;
+    readonly toStringTag: symbol;
+}
+declare var Symbol: SymbolConstructor;
+interface Symbol {
+    readonly [Symbol.toStringTag]: string;
+}
+declare const console: { log(msg: any): void; };`,
+			"/home/src/workspace/projects/node_modules/@typescript/lib-scripthost/index.d.ts": "interface ScriptHostInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/lib-webworker/index.d.ts":  "interface WebWorkerInterface { }",
+			"/home/src/workspace/projects/node_modules/@typescript/unlreated/index.d.ts":      "export const unrelated = 10;",
+			"/home/src/workspace/projects/project1/core.d.ts":                                 "export const core = 10;",
+			"/home/src/workspace/projects/project1/file.ts":                                   "export const file = 10;",
+			"/home/src/workspace/projects/project1/file2.ts": `/// <reference lib="webworker"/>
+/// <reference lib="scripthost"/>
+/// <reference lib="es5"/>`,
+			"/home/src/workspace/projects/project1/index.ts": "export const x = \"type1\";",
+			"/home/src/workspace/projects/project1/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "typeRoots": ["./typeroot1"],
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project1/typeroot1/sometype/index.d.ts": "export type TheNum = \"type1\";",
+			"/home/src/workspace/projects/project1/utils.d.ts":                    "export const y = 10;",
+			"/home/src/workspace/projects/project2/index.ts":                      "export const y = 10",
+			"/home/src/workspace/projects/project2/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project2/utils.d.ts": "export const y = 10;",
+			"/home/src/workspace/projects/project3/index.ts":   "export const z = 10",
+			"/home/src/workspace/projects/project3/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["es5", "dom"],
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project3/utils.d.ts": "export const y = 10;",
+			"/home/src/workspace/projects/project4/index.ts":   "export const z = 10",
+			"/home/src/workspace/projects/project4/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "lib": ["esnext", "dom", "webworker"],
+        "traceResolution": true,
+        "libReplacement": true
+    }
+}`,
+			"/home/src/workspace/projects/project4/utils.d.ts": "export const y = 10;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_listFilesOnly_combined_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_listFilesOnly_combined_with_incremental_test.go
new file mode 100644
index 00000000000..1bbd1fcbe50
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_listFilesOnly_combined_with_incremental_test.go
@@ -0,0 +1,37 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_listFilesOnly_combined_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "listFilesOnly",
+		SubScenario:     "combined with incremental",
+		CommandLineArgs: []string{"--incremental", "--listFilesOnly"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/test.ts":       "export const x = 1;",
+			"/home/src/workspaces/project/tsconfig.json": "{}",
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "incremental actual build",
+		CommandLineArgs: []string{"--incremental"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "incremental should not build",
+		CommandLineArgs: []string{"--incremental"},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_listFilesOnly_loose_file_test.go b/internal/execute/tsctests/tests/tsc_listFilesOnly_loose_file_test.go
new file mode 100644
index 00000000000..46cf6812f36
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_listFilesOnly_loose_file_test.go
@@ -0,0 +1,22 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_listFilesOnly_loose_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "listFilesOnly",
+		SubScenario:     "loose file",
+		CommandLineArgs: []string{"test.ts", "--listFilesOnly"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/test.ts": "export const x = 1;",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_moduleResolution_alternateResult_test.go b/internal/execute/tsctests/tests/tsc_moduleResolution_alternateResult_test.go
new file mode 100644
index 00000000000..31493af0e3c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_moduleResolution_alternateResult_test.go
@@ -0,0 +1,250 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_moduleResolution_alternateResult(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "moduleResolution",
+		SubScenario: "alternateResult",
+		Cwd:         "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/index.mts": `import { foo } from "foo";
+import { bar } from "bar";
+import { foo2 } from "foo2";
+import { bar2 } from "bar2";`,
+			"/home/src/projects/project/node_modules/@types/bar/index.d.ts": "export declare const bar: number;",
+			"/home/src/projects/project/node_modules/@types/bar/package.json": `{
+    "name": "@types/bar",
+    "version": "1.0.0",
+    "types": "index.d.ts",
+    "exports": {
+        ".": {
+
+            "require": "./index.d.ts"
+        }
+    }
+}`,
+			"/home/src/projects/project/node_modules/@types/bar2/index.d.ts": "export declare const bar2: number;",
+			"/home/src/projects/project/node_modules/@types/bar2/package.json": `{
+    "name": "@types/bar2",
+    "version": "1.0.0",
+    "types": "index.d.ts",
+    "exports": {
+        ".": {
+            "types": "./index.d.ts",
+            "require": "./index.d.ts"
+        }
+    }
+}`,
+			"/home/src/projects/project/node_modules/bar/index.js":  "module.exports = { bar: 1 };",
+			"/home/src/projects/project/node_modules/bar/index.mjs": "export const bar = 1;",
+			"/home/src/projects/project/node_modules/bar/package.json": `{
+    "name": "bar",
+    "version": "1.0.0",
+    "main": "index.js",
+
+    "exports": {
+        ".": {
+
+            "import": "./index.mjs",
+            "require": "./index.js"
+        }
+    }
+}`,
+			"/home/src/projects/project/node_modules/bar2/index.js":  "module.exports = { bar2: 1 };",
+			"/home/src/projects/project/node_modules/bar2/index.mjs": "export const bar2 = 1;",
+			"/home/src/projects/project/node_modules/bar2/package.json": `{
+    "name": "bar2",
+    "version": "1.0.0",
+    "main": "index.js",
+
+    "exports": {
+        ".": {
+
+            "import": "./index.mjs",
+            "require": "./index.js"
+        }
+    }
+}`,
+			"/home/src/projects/project/node_modules/foo/index.d.ts": "export declare const foo: number;",
+			"/home/src/projects/project/node_modules/foo/index.js":   "module.exports = { foo: 1 };",
+			"/home/src/projects/project/node_modules/foo/index.mjs":  "export const foo = 1;",
+			"/home/src/projects/project/node_modules/foo/package.json": `{
+    "name": "foo",
+    "version": "1.0.0",
+    "main": "index.js",
+    "types": "index.d.ts",
+    "exports": {
+        ".": {
+
+            "import": "./index.mjs",
+            "require": "./index.js"
+        }
+    }
+}`,
+			"/home/src/projects/project/node_modules/foo2/index.d.ts": "export declare const foo2: number;",
+			"/home/src/projects/project/node_modules/foo2/index.js":   "module.exports = { foo2: 1 };",
+			"/home/src/projects/project/node_modules/foo2/index.mjs":  "export const foo2 = 1;",
+			"/home/src/projects/project/node_modules/foo2/package.json": `{
+    "name": "foo2",
+    "version": "1.0.0",
+    "main": "index.js",
+    "types": "index.d.ts",
+    "exports": {
+        ".": {
+            "types": "./index.d.ts",
+            "import": "./index.mjs",
+            "require": "./index.js"
+        }
+    }
+}`,
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "node16",
+        "moduleResolution": "node16",
+        "traceResolution": true,
+        "incremental": true,
+        "strict": true,
+        "types": [],
+    },
+    "files": ["index.mts"],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete the alternateResult in @types",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/projects/project/node_modules/@types/bar/index.d.ts")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete the node10Result in package/types",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/projects/project/node_modules/foo/index.d.ts")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "add the alternateResult in @types",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/node_modules/@types/bar/index.d.ts", "export declare const bar: number;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "add the alternateResult in package/types",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/node_modules/foo/index.d.ts", "export declare const foo: number;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "update package.json from @types so error is fixed",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/node_modules/@types/bar/package.json", `{
+    "name": "@types/bar",
+    "version": "1.0.0",
+    "types": "index.d.ts",
+    "exports": {
+        ".": {
+            "types": "./index.d.ts",
+            "require": "./index.d.ts"
+        }
+    }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "update package.json so error is fixed",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/node_modules/foo/package.json", `{
+    "name": "foo",
+    "version": "1.0.0",
+    "main": "index.js",
+    "types": "index.d.ts",
+    "exports": {
+        ".": {
+            "types": "./index.d.ts",
+            "import": "./index.mjs",
+            "require": "./index.js"
+        }
+    }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "update package.json from @types so error is introduced",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/node_modules/@types/bar2/package.json", `{
+    "name": "@types/bar2",
+    "version": "1.0.0",
+    "types": "index.d.ts",
+    "exports": {
+        ".": {
+
+            "require": "./index.d.ts"
+        }
+    }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "update package.json so error is introduced",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/node_modules/foo2/package.json", `{
+    "name": "foo2",
+    "version": "1.0.0",
+    "main": "index.js",
+    "types": "index.d.ts",
+    "exports": {
+        ".": {
+
+            "import": "./index.mjs",
+            "require": "./index.js"
+        }
+    }
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete the alternateResult in @types",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/projects/project/node_modules/@types/bar2/index.d.ts")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete the node10Result in package/types",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/projects/project/node_modules/foo2/index.d.ts")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "add the alternateResult in @types",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/node_modules/@types/bar2/index.d.ts", "export declare const bar2: number;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "add the ndoe10Result in package/types",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/node_modules/foo2/index.d.ts", "export declare const foo2: number;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_moduleResolution_package_json_scope_test.go b/internal/execute/tsctests/tests/tsc_moduleResolution_package_json_scope_test.go
new file mode 100644
index 00000000000..6581bee19b8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_moduleResolution_package_json_scope_test.go
@@ -0,0 +1,49 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_moduleResolution_package_json_scope(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleResolution",
+		SubScenario:     "package json scope",
+		CommandLineArgs: []string{"-p", "src", "--explainFiles", "--extendedDiagnostics"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/package.json": `{
+    "name": "app",
+    "version": "1.0.0"
+}`,
+			"/home/src/workspaces/project/src/fileA.ts": `import { foo } from "./fileB.mjs";
+foo();`,
+			"/home/src/workspaces/project/src/fileB.mts": "export function foo() {}",
+			"/home/src/workspaces/project/src/main.ts":   "export const x = 10;",
+			"/home/src/workspaces/project/src/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "ES2016",
+        "composite": true,
+        "module": "Node16",
+        "traceResolution": true,
+    },
+    "files": [
+        "main.ts",
+        "fileA.ts",
+        "fileB.mts",
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Delete package.json",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/package.json")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_moduleResolution_pnpm_style_layout_test.go b/internal/execute/tsctests/tests/tsc_moduleResolution_pnpm_style_layout_test.go
new file mode 100644
index 00000000000..0a68c52f4db
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_moduleResolution_pnpm_style_layout_test.go
@@ -0,0 +1,117 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+	"github.com/microsoft/typescript-go/internal/vfs/vfstest"
+)
+
+func TestTsc_moduleResolution_pnpm_style_layout(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "moduleResolution",
+		SubScenario:     "pnpm style layout",
+		CommandLineArgs: []string{"--traceResolution", "--explainFiles"},
+		Cwd:             "/home/src/projects/component-type-checker/packages/app",
+		Files: tsctests.FileMap{
+			"/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+button@0.0.1/node_modules/@component-type-checker/button/package.json": `{
+    "name": "@component-type-checker/button",
+    "version": "0.0.1",
+    "main": "./src/index.ts"
+}`,
+			"/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+button@0.0.1/node_modules/@component-type-checker/button/src/index.ts": `export interface Button {
+    a: number;
+    b: number;
+}
+export function createButton(): Button {
+    return {
+        a: 0,
+        b: 1,
+    };
+}`,
+			"/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+button@0.0.2/node_modules/@component-type-checker/button/package.json": `{
+    "name": "@component-type-checker/button",
+    "version": "0.0.2",
+    "main": "./src/index.ts"
+}`,
+			"/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+button@0.0.2/node_modules/@component-type-checker/button/src/index.ts": `export interface Button {
+    a: number;
+    c: number;
+}
+export function createButton(): Button {
+    return {
+        a: 0,
+        c: 2,
+    };
+}`,
+			"/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+components@0.0.1_@component-type-checker+button@0.0.1/node_modules/@component-type-checker/button": vfstest.Symlink("/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+button@0.0.1/node_modules/@component-type-checker/button"),
+			"/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+components@0.0.1_@component-type-checker+button@0.0.1/node_modules/@component-type-checker/components/package.json": `{
+    "name": "@component-type-checker/components",
+    "version": "0.0.1",
+    "main": "./src/index.ts",
+    "peerDependencies": {
+        "@component-type-checker/button": "*"
+    },
+    "devDependencies": {
+        "@component-type-checker/button": "0.0.2"
+    }
+}`,
+			"/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+components@0.0.1_@component-type-checker+button@0.0.1/node_modules/@component-type-checker/components/src/index.ts": "export { createButton, Button } from \"@component-type-checker/button\";",
+			"/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+components@0.0.1_@component-type-checker+button@0.0.2/node_modules/@component-type-checker/button":                  vfstest.Symlink("/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+button@0.0.2/node_modules/@component-type-checker/button"),
+			"/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+components@0.0.1_@component-type-checker+button@0.0.2/node_modules/@component-type-checker/components/package.json": `{
+    "name": "@component-type-checker/components",
+    "version": "0.0.1",
+    "main": "./src/index.ts",
+    "peerDependencies": {
+        "@component-type-checker/button": "*"
+    },
+    "devDependencies": {
+        "@component-type-checker/button": "0.0.2"
+    }
+}`,
+			"/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+components@0.0.1_@component-type-checker+button@0.0.2/node_modules/@component-type-checker/components/src/index.ts": "export { createButton, Button } from \"@component-type-checker/button\";",
+			"/home/src/projects/component-type-checker/packages/app/node_modules/@component-type-checker/button":                                                                                                      vfstest.Symlink("/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+button@0.0.2/node_modules/@component-type-checker/button"),
+			"/home/src/projects/component-type-checker/packages/app/node_modules/@component-type-checker/components":                                                                                                  vfstest.Symlink("/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+components@0.0.1_@component-type-checker+button@0.0.2/node_modules/@component-type-checker/components"),
+			"/home/src/projects/component-type-checker/packages/app/node_modules/@component-type-checker/sdk":                                                                                                         vfstest.Symlink("/home/src/projects/component-type-checker/packages/sdk"),
+			"/home/src/projects/component-type-checker/packages/app/package.json": `{
+    "name": "app",
+    "version": "1.0.0",
+    "dependencies": {
+        "@component-type-checker/button": "0.0.2",
+        "@component-type-checker/components": "0.0.1",
+        "@component-type-checker/sdk": "0.0.2"
+    }
+}`,
+			"/home/src/projects/component-type-checker/packages/app/src/app.tsx": `import { VERSION } from "@component-type-checker/sdk";
+import { Button } from "@component-type-checker/components";
+import { createButton } from "@component-type-checker/button";
+const button: Button = createButton();`,
+			"/home/src/projects/component-type-checker/packages/app/tsconfig.json": `{
+    "compilerOptions": {
+        "target": "es5",
+        "module": "esnext",
+        "lib": ["ES5"],
+        "outDir": "dist",
+    },
+    "include": ["src"],
+}`,
+			"/home/src/projects/component-type-checker/packages/sdk/node_modules/@component-type-checker/button":     vfstest.Symlink("/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+button@0.0.1/node_modules/@component-type-checker/button"),
+			"/home/src/projects/component-type-checker/packages/sdk/node_modules/@component-type-checker/components": vfstest.Symlink("/home/src/projects/component-type-checker/node_modules/.pnpm/@component-type-checker+components@0.0.1_@component-type-checker+button@0.0.1/node_modules/@component-type-checker/components"),
+			"/home/src/projects/component-type-checker/packages/sdk/package.json": `{
+    "name": "@component-type-checker/sdk1",
+    "version": "0.0.2",
+    "main": "./src/index.ts",
+    "dependencies": {
+        "@component-type-checker/components": "0.0.1",
+        "@component-type-checker/button": "0.0.1"
+    }
+}`,
+			"/home/src/projects/component-type-checker/packages/sdk/src/index.ts": `export { Button, createButton } from "@component-type-checker/components";
+export const VERSION = "0.0.2";`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noCheck_dts_errors_test.go b/internal/execute/tsctests/tests/tsc_noCheck_dts_errors_test.go
new file mode 100644
index 00000000000..d1db9d5dd9b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noCheck_dts_errors_test.go
@@ -0,0 +1,122 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noCheck_dts_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noCheck",
+		SubScenario:     "dts errors",
+		CommandLineArgs: []string{"--noCheck"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Add file with error",
+		CommandLineArgs: []string{},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noCheck_dts_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noCheck_dts_errors_with_incremental_test.go
new file mode 100644
index 00000000000..6c8de113e9e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noCheck_dts_errors_with_incremental_test.go
@@ -0,0 +1,122 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noCheck_dts_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noCheck",
+		SubScenario:     "dts errors with incremental",
+		CommandLineArgs: []string{"--noCheck"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Add file with error",
+		CommandLineArgs: []string{},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noCheck_semantic_errors_test.go b/internal/execute/tsctests/tests/tsc_noCheck_semantic_errors_test.go
new file mode 100644
index 00000000000..e0cfcd56640
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noCheck_semantic_errors_test.go
@@ -0,0 +1,122 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noCheck_semantic_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noCheck",
+		SubScenario:     "semantic errors",
+		CommandLineArgs: []string{"--noCheck"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a: number = \"hello\";",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Add file with error",
+		CommandLineArgs: []string{},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noCheck_semantic_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noCheck_semantic_errors_with_incremental_test.go
new file mode 100644
index 00000000000..159904325d0
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noCheck_semantic_errors_with_incremental_test.go
@@ -0,0 +1,122 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noCheck_semantic_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noCheck",
+		SubScenario:     "semantic errors with incremental",
+		CommandLineArgs: []string{"--noCheck"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a: number = \"hello\";",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Add file with error",
+		CommandLineArgs: []string{},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noCheck_syntax_errors_test.go b/internal/execute/tsctests/tests/tsc_noCheck_syntax_errors_test.go
new file mode 100644
index 00000000000..9ed64c37f67
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noCheck_syntax_errors_test.go
@@ -0,0 +1,122 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noCheck_syntax_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noCheck",
+		SubScenario:     "syntax errors",
+		CommandLineArgs: []string{"--noCheck"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = \"hello",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Add file with error",
+		CommandLineArgs: []string{},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noCheck_syntax_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noCheck_syntax_errors_with_incremental_test.go
new file mode 100644
index 00000000000..bc3198562a6
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noCheck_syntax_errors_with_incremental_test.go
@@ -0,0 +1,122 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noCheck_syntax_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noCheck",
+		SubScenario:     "syntax errors with incremental",
+		CommandLineArgs: []string{"--noCheck"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "export const a = \"hello",
+			"/home/src/workspaces/project/b.ts": "export const b = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "declaration": true,
+        "incremental": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Add file with error",
+		CommandLineArgs: []string{},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/c.ts", "export const c: number = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix `a` error with noCheck",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with checking",
+		CommandLineArgs: []string{},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_dts_errors_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_dts_errors_test.go
new file mode 100644
index 00000000000..c3817522a97
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_dts_errors_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_dts_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "dts errors",
+		CommandLineArgs: []string{},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_dts_errors_with_declaration_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_dts_errors_with_declaration_test.go
new file mode 100644
index 00000000000..ccaaaffb62e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_dts_errors_with_declaration_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_dts_errors_with_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "dts errors with declaration",
+		CommandLineArgs: []string{},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_dts_errors_with_declaration_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_dts_errors_with_declaration_with_incremental_test.go
new file mode 100644
index 00000000000..b88a7f14516
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_dts_errors_with_declaration_with_incremental_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_dts_errors_with_declaration_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "dts errors with declaration with incremental",
+		CommandLineArgs: []string{},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_dts_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_dts_errors_with_incremental_test.go
new file mode 100644
index 00000000000..3e5d0de8dd5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_dts_errors_with_incremental_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_dts_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "dts errors with incremental",
+		CommandLineArgs: []string{},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+export const a = class { private p = 10; };`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+export const a = class { p = 10; };`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_file_deleted_before_fixing_error_with_noEmitOnError_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_file_deleted_before_fixing_error_with_noEmitOnError_test.go
new file mode 100644
index 00000000000..0ba8cd4ddb3
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_file_deleted_before_fixing_error_with_noEmitOnError_test.go
@@ -0,0 +1,36 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_file_deleted_before_fixing_error_with_noEmitOnError(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "file deleted before fixing error with noEmitOnError",
+		CommandLineArgs: []string{"-i"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/file1.ts": "export const x: 30 = \"hello\";",
+			"/home/src/workspaces/project/file2.ts": "export class D { }",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "outDir",
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "delete file without error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.Remove("/home/src/workspaces/project/file2.ts")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_semantic_errors_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_semantic_errors_test.go
new file mode 100644
index 00000000000..987b326c6da
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_semantic_errors_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_semantic_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "semantic errors",
+		CommandLineArgs: []string{},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a: string = 10;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_semantic_errors_with_declaration_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_semantic_errors_with_declaration_test.go
new file mode 100644
index 00000000000..f8c75965419
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_semantic_errors_with_declaration_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_semantic_errors_with_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "semantic errors with declaration",
+		CommandLineArgs: []string{},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a: string = 10;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_semantic_errors_with_declaration_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_semantic_errors_with_declaration_with_incremental_test.go
new file mode 100644
index 00000000000..abf8268302d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_semantic_errors_with_declaration_with_incremental_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_semantic_errors_with_declaration_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "semantic errors with declaration with incremental",
+		CommandLineArgs: []string{},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a: string = 10;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_semantic_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_semantic_errors_with_incremental_test.go
new file mode 100644
index 00000000000..965a15a9883
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_semantic_errors_with_incremental_test.go
@@ -0,0 +1,53 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_semantic_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "semantic errors with incremental",
+		CommandLineArgs: []string{},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a: string = 10;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a: string = "hello";`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_syntax_errors_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_syntax_errors_test.go
new file mode 100644
index 00000000000..d89d38ad34c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_syntax_errors_test.go
@@ -0,0 +1,57 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_syntax_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "syntax errors",
+		CommandLineArgs: []string{},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_syntax_errors_with_declaration_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_syntax_errors_with_declaration_test.go
new file mode 100644
index 00000000000..009fa346d99
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_syntax_errors_with_declaration_test.go
@@ -0,0 +1,57 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_syntax_errors_with_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "syntax errors with declaration",
+		CommandLineArgs: []string{},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": false,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_syntax_errors_with_declaration_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_syntax_errors_with_declaration_with_incremental_test.go
new file mode 100644
index 00000000000..e0ead6a4954
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_syntax_errors_with_declaration_with_incremental_test.go
@@ -0,0 +1,57 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_syntax_errors_with_declaration_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "syntax errors with declaration with incremental",
+		CommandLineArgs: []string{},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": true,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_syntax_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_syntax_errors_with_incremental_test.go
new file mode 100644
index 00000000000..44331bb05df
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_syntax_errors_with_incremental_test.go
@@ -0,0 +1,57 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_syntax_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmitOnError",
+		SubScenario:     "syntax errors with incremental",
+		CommandLineArgs: []string{},
+		Cwd:             "/user/username/projects/noEmitOnError",
+		Files: tsctests.FileMap{
+			"/user/username/projects/noEmitOnError/shared/types/db.ts": `export interface A {
+    name: string;
+}`,
+			"/user/username/projects/noEmitOnError/src/main.ts": `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+;`,
+			"/user/username/projects/noEmitOnError/src/other.ts": `console.log("hi");
+export { }`,
+			"/user/username/projects/noEmitOnError/tsconfig.json": `{
+    "compilerOptions": {
+        "outDir": "./dev-build",
+        "declaration": false,
+        "incremental": true,
+        "noEmitOnError": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/user/username/projects/noEmitOnError/src/main.ts", `import { A } from "../shared/types/db";
+const a = {
+    lastName: 'sdsd'
+};`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmitOnError_when_declarationMap_changes_test.go b/internal/execute/tsctests/tests/tsc_noEmitOnError_when_declarationMap_changes_test.go
new file mode 100644
index 00000000000..435111b747a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmitOnError_when_declarationMap_changes_test.go
@@ -0,0 +1,45 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmitOnError_when_declarationMap_changes(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:    "noEmitOnError",
+		SubScenario: "when declarationMap changes",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/a.ts": "const x = 10;",
+			"/home/src/workspaces/project/b.ts": "const y = 10;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "noEmitOnError": true,
+        "declaration": true,
+        "composite": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "error and enable declarationMap",
+		CommandLineArgs: []string{"--declarationMap"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "const x: 20 = 10;")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "fix error declarationMap",
+		CommandLineArgs: []string{"--declarationMap"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/a.ts", "const x = 10;")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_changes_composite_test.go b/internal/execute/tsctests/tests/tsc_noEmit_changes_composite_test.go
new file mode 100644
index 00000000000..da3edb38287
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_changes_composite_test.go
@@ -0,0 +1,147 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_changes_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "changes composite",
+		CommandLineArgs: []string{},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/class.ts": `export class classC {
+    prop = 1;
+}`,
+			"/home/src/workspaces/project/src/directUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/indirectClass.ts": `import { classC } from './class';
+export class indirectClass {
+    classC = new classC();
+}`,
+			"/home/src/workspaces/project/src/indirectUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/noChangeFile.ts": `export function writeLog(s: string) {
+}`,
+			"/home/src/workspaces/project/src/noChangeFileWithEmitSpecificError.ts": `function someFunc(arguments: boolean, ...rest: any[]) {
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions":  { "composite": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Introduce error but still noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error and emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error and emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Fix error and no emit",
+		CommandLineArgs: []string{"--noEmit"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_changes_incremental_declaration_test.go b/internal/execute/tsctests/tests/tsc_noEmit_changes_incremental_declaration_test.go
new file mode 100644
index 00000000000..e0e38a2445e
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_changes_incremental_declaration_test.go
@@ -0,0 +1,147 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_changes_incremental_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "changes incremental declaration",
+		CommandLineArgs: []string{},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/class.ts": `export class classC {
+    prop = 1;
+}`,
+			"/home/src/workspaces/project/src/directUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/indirectClass.ts": `import { classC } from './class';
+export class indirectClass {
+    classC = new classC();
+}`,
+			"/home/src/workspaces/project/src/indirectUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/noChangeFile.ts": `export function writeLog(s: string) {
+}`,
+			"/home/src/workspaces/project/src/noChangeFileWithEmitSpecificError.ts": `function someFunc(arguments: boolean, ...rest: any[]) {
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions":  { "incremental": true, "declaration": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Introduce error but still noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error and emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error and emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Fix error and no emit",
+		CommandLineArgs: []string{"--noEmit"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_changes_incremental_test.go b/internal/execute/tsctests/tests/tsc_noEmit_changes_incremental_test.go
new file mode 100644
index 00000000000..64537d288e8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_changes_incremental_test.go
@@ -0,0 +1,147 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_changes_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "changes incremental",
+		CommandLineArgs: []string{},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/class.ts": `export class classC {
+    prop = 1;
+}`,
+			"/home/src/workspaces/project/src/directUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/indirectClass.ts": `import { classC } from './class';
+export class indirectClass {
+    classC = new classC();
+}`,
+			"/home/src/workspaces/project/src/indirectUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/noChangeFile.ts": `export function writeLog(s: string) {
+}`,
+			"/home/src/workspaces/project/src/noChangeFileWithEmitSpecificError.ts": `function someFunc(arguments: boolean, ...rest: any[]) {
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions":  { "incremental": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Introduce error but still noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error and emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error and emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Fix error and no emit",
+		CommandLineArgs: []string{"--noEmit"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with noEmit",
+		CommandLineArgs: []string{"--noEmit"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_changes_with_initial_noEmit_composite_test.go b/internal/execute/tsctests/tests/tsc_noEmit_changes_with_initial_noEmit_composite_test.go
new file mode 100644
index 00000000000..acaaa2bfda8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_changes_with_initial_noEmit_composite_test.go
@@ -0,0 +1,68 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_changes_with_initial_noEmit_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "changes with initial noEmit composite",
+		CommandLineArgs: []string{"--noEmit"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/class.ts": `export class classC {
+    prop = 1;
+}`,
+			"/home/src/workspaces/project/src/directUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/indirectClass.ts": `import { classC } from './class';
+export class indirectClass {
+    classC = new classC();
+}`,
+			"/home/src/workspaces/project/src/indirectUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/noChangeFile.ts": `export function writeLog(s: string) {
+}`,
+			"/home/src/workspaces/project/src/noChangeFileWithEmitSpecificError.ts": `function someFunc(arguments: boolean, ...rest: any[]) {
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions":  { "composite": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Introduce error with emit",
+		CommandLineArgs: []string{},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error and no emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_changes_with_initial_noEmit_incremental_declaration_test.go b/internal/execute/tsctests/tests/tsc_noEmit_changes_with_initial_noEmit_incremental_declaration_test.go
new file mode 100644
index 00000000000..deb8fe190c8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_changes_with_initial_noEmit_incremental_declaration_test.go
@@ -0,0 +1,68 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_changes_with_initial_noEmit_incremental_declaration(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "changes with initial noEmit incremental declaration",
+		CommandLineArgs: []string{"--noEmit"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/class.ts": `export class classC {
+    prop = 1;
+}`,
+			"/home/src/workspaces/project/src/directUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/indirectClass.ts": `import { classC } from './class';
+export class indirectClass {
+    classC = new classC();
+}`,
+			"/home/src/workspaces/project/src/indirectUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/noChangeFile.ts": `export function writeLog(s: string) {
+}`,
+			"/home/src/workspaces/project/src/noChangeFileWithEmitSpecificError.ts": `function someFunc(arguments: boolean, ...rest: any[]) {
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions":  { "incremental": true, "declaration": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Introduce error with emit",
+		CommandLineArgs: []string{},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error and no emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_changes_with_initial_noEmit_incremental_test.go b/internal/execute/tsctests/tests/tsc_noEmit_changes_with_initial_noEmit_incremental_test.go
new file mode 100644
index 00000000000..0c233f00027
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_changes_with_initial_noEmit_incremental_test.go
@@ -0,0 +1,68 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_changes_with_initial_noEmit_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "changes with initial noEmit incremental",
+		CommandLineArgs: []string{"--noEmit"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/class.ts": `export class classC {
+    prop = 1;
+}`,
+			"/home/src/workspaces/project/src/directUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/indirectClass.ts": `import { classC } from './class';
+export class indirectClass {
+    classC = new classC();
+}`,
+			"/home/src/workspaces/project/src/indirectUse.ts": `import { indirectClass } from './indirectClass';
+new indirectClass().classC.prop;`,
+			"/home/src/workspaces/project/src/noChangeFile.ts": `export function writeLog(s: string) {
+}`,
+			"/home/src/workspaces/project/src/noChangeFileWithEmitSpecificError.ts": `function someFunc(arguments: boolean, ...rest: any[]) {
+}`,
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions":  { "incremental": true }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Introduce error with emit",
+		CommandLineArgs: []string{},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop1 = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error and no emit",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/workspaces/project/src/class.ts", `export class classC {
+    prop = 1;
+}`)
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "No Change run with emit",
+		CommandLineArgs: []string{},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_test.go b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_test.go
new file mode 100644
index 00000000000..9be91bd6f30
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_dts_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_with_declaration_enable_changes_with_multiple_files_test.go b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_with_declaration_enable_changes_with_multiple_files_test.go
new file mode 100644
index 00000000000..ee5521392f4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_with_declaration_enable_changes_with_multiple_files_test.go
@@ -0,0 +1,79 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_dts_errors_with_declaration_enable_changes_with_multiple_files(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors with declaration enable changes with multiple files",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/c.ts": "export const c = class { private p = 10; };",
+			"/home/src/projects/project/d.ts": "export const d = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration enabled noEmit - Should report errors",
+		CommandLineArgs: []string{"--noEmit", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration and declarationMap noEmit - Should report errors",
+		CommandLineArgs: []string{"--noEmit", "--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Dts Emit with error",
+		CommandLineArgs: []string{"--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix the error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = class { public p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration enabled noEmit",
+		CommandLineArgs: []string{"--noEmit", "--declaration"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "With declaration and declarationMap noEmit",
+		CommandLineArgs: []string{"--noEmit", "--declaration", "--declarationMap"},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Fix the another ",
+		CommandLineArgs: []string{"--noEmit", "--declaration", "--declarationMap"},
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/c.ts", "export const c = class { public p = 10; };")
+		},
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..c7849a50d1b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_with_incremental_as_modules_test.go
@@ -0,0 +1,70 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_dts_errors_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors with incremental as modules",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_with_incremental_test.go
new file mode 100644
index 00000000000..8990a8d2fbb
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_with_incremental_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_dts_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors with incremental",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_without_dts_enabled_test.go b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_without_dts_enabled_test.go
new file mode 100644
index 00000000000..10f525f8891
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_without_dts_enabled_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_dts_errors_without_dts_enabled(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors without dts enabled",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_without_dts_enabled_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_without_dts_enabled_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..577291295ee
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_without_dts_enabled_with_incremental_as_modules_test.go
@@ -0,0 +1,70 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_dts_errors_without_dts_enabled_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors without dts enabled with incremental as modules",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a = class { private p = 10; };",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_without_dts_enabled_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_without_dts_enabled_with_incremental_test.go
new file mode 100644
index 00000000000..8853ccda720
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_dts_errors_without_dts_enabled_with_incremental_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_dts_errors_without_dts_enabled_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "dts errors without dts enabled with incremental",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = class { private p = 10; };",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = class { private p = 10; };")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_semantic_errors_test.go b/internal/execute/tsctests/tests/tsc_noEmit_semantic_errors_test.go
new file mode 100644
index 00000000000..ca4cfc6e503
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_semantic_errors_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_semantic_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "semantic errors",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a: number = \"hello\"",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a: number = \"hello\"")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_semantic_errors_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsc_noEmit_semantic_errors_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..ba55266b290
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_semantic_errors_with_incremental_as_modules_test.go
@@ -0,0 +1,70 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_semantic_errors_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "semantic errors with incremental as modules",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a: number = \"hello\"",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a: number = \"hello\"")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_semantic_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noEmit_semantic_errors_with_incremental_test.go
new file mode 100644
index 00000000000..f13363a1316
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_semantic_errors_with_incremental_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_semantic_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "semantic errors with incremental",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a: number = \"hello\"",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a: number = \"hello\"")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_syntax_errors_test.go b/internal/execute/tsctests/tests/tsc_noEmit_syntax_errors_test.go
new file mode 100644
index 00000000000..fc6e7122081
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_syntax_errors_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_syntax_errors(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "syntax errors",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = \"hello",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": false,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_syntax_errors_with_incremental_as_modules_test.go b/internal/execute/tsctests/tests/tsc_noEmit_syntax_errors_with_incremental_as_modules_test.go
new file mode 100644
index 00000000000..b1ef4f422d4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_syntax_errors_with_incremental_as_modules_test.go
@@ -0,0 +1,70 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_syntax_errors_with_incremental_as_modules(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "syntax errors with incremental as modules",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "export const a = \"hello",
+			"/home/src/projects/project/b.ts": "export const b = 10;",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "export const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_syntax_errors_with_incremental_test.go b/internal/execute/tsctests/tests/tsc_noEmit_syntax_errors_with_incremental_test.go
new file mode 100644
index 00000000000..5909a165969
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_syntax_errors_with_incremental_test.go
@@ -0,0 +1,69 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_syntax_errors_with_incremental(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "syntax errors with incremental",
+		CommandLineArgs: []string{"--noEmit"},
+		Cwd:             "/home/src/projects/project",
+		Files: tsctests.FileMap{
+			"/home/src/projects/project/a.ts": "const a = \"hello",
+			"/home/src/projects/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Fix error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello\";")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit after fixing error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "Introduce error",
+		Edit: func(sys *tsctests.TestSys) {
+			sys.WriteFile("/home/src/projects/project/a.ts", "const a = \"hello")
+		},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption:         "Emit when error",
+		CommandLineArgs: []string{},
+	})
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_noEmit_when_project_has_strict_true_test.go b/internal/execute/tsctests/tests/tsc_noEmit_when_project_has_strict_true_test.go
new file mode 100644
index 00000000000..6c2e97db7f5
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_noEmit_when_project_has_strict_true_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_noEmit_when_project_has_strict_true(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "noEmit",
+		SubScenario:     "when project has strict true",
+		CommandLineArgs: []string{"--noEmit"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/class1.ts": "export class class1 {}",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "incremental": true,
+        "strict": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+
+	test.Edit(&tsctests.TestEdit{
+		Caption: "no change",
+	})
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_default_import_interop_uses_referenced_project_settings_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_default_import_interop_uses_referenced_project_settings_test.go
new file mode 100644
index 00000000000..ca9de44b153
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_default_import_interop_uses_referenced_project_settings_test.go
@@ -0,0 +1,61 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_default_import_interop_uses_referenced_project_settings(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "default import interop uses referenced project settings",
+		CommandLineArgs: []string{"--p", "app", "--pretty", "false"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/app/src/index.ts": `import local from "./local"; // Error
+import esm from "esm-package"; // Error
+import referencedSource from "../../lib/src/a"; // Error
+import referencedDeclaration from "../../lib/dist/a"; // Error
+import ambiguous from "ambiguous-package"; // Ok`,
+			"/home/src/workspaces/project/app/src/local.ts": "export const local = 0;",
+			"/home/src/workspaces/project/app/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "esnext",
+        "moduleResolution": "bundler",
+        "rootDir": "src",
+        "outDir": "dist",
+    },
+    "include": ["src"],
+    "references": [
+        { "path": "../lib" },
+    ],
+}`,
+			"/home/src/workspaces/project/lib/dist/a.d.ts": "export declare const a = 0;",
+			"/home/src/workspaces/project/lib/src/a.ts":    "export const a = 0;",
+			"/home/src/workspaces/project/lib/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "rootDir": "src",
+        "outDir": "dist",
+        "module": "esnext",
+        "moduleResolution": "bundler",
+    },
+    "include": ["src"],
+}`,
+			"/home/src/workspaces/project/node_modules/ambiguous-package/index.d.ts": "export declare const ambiguous: number;",
+			"/home/src/workspaces/project/node_modules/ambiguous-package/package.json": `{
+    "name": "ambiguous-package"
+}`,
+			"/home/src/workspaces/project/node_modules/esm-package/index.d.ts": "export declare const esm: number;",
+			"/home/src/workspaces/project/node_modules/esm-package/package.json": `{
+    "name": "esm-package",
+    "type": "module"
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_default_setup_was_created_correctly_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_default_setup_was_created_correctly_test.go
new file mode 100644
index 00000000000..c9f177c8684
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_default_setup_was_created_correctly_test.go
@@ -0,0 +1,38 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_default_setup_was_created_correctly(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "default setup was created correctly",
+		CommandLineArgs: []string{"--p", "primary/tsconfig.json"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/primary/a.ts": "export { };",
+			"/home/src/workspaces/project/primary/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    }
+}`,
+			"/home/src/workspaces/project/secondary/b.ts": "import * as mod_1 from \"../primary/a\";",
+			"/home/src/workspaces/project/secondary/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    },
+    "references": [{
+        "path": "../primary"
+    }]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_does_not_error_when_the_referenced_project_doesnt_have_composite_if_its_a_container_project_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_does_not_error_when_the_referenced_project_doesnt_have_composite_if_its_a_container_project_test.go
new file mode 100644
index 00000000000..1b46340afac
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_does_not_error_when_the_referenced_project_doesnt_have_composite_if_its_a_container_project_test.go
@@ -0,0 +1,39 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_does_not_error_when_the_referenced_project_doesnt_have_composite_if_its_a_container_project(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "does not error when the referenced project doesnt have composite if its a container project",
+		CommandLineArgs: []string{"--p", "reference/tsconfig.json"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/primary/a.ts": "export { };",
+			"/home/src/workspaces/project/primary/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": false,
+        "outDir": "bin",
+    }
+}`,
+			"/home/src/workspaces/project/reference/b.ts": "import * as mod_1 from \"../primary/a\";",
+			"/home/src/workspaces/project/reference/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    },
+    "files": [ ],
+    "references": [{
+        "path": "../primary"
+    }]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_doesnt_infer_the_rootDir_from_source_paths_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_doesnt_infer_the_rootDir_from_source_paths_test.go
new file mode 100644
index 00000000000..db1dc705676
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_doesnt_infer_the_rootDir_from_source_paths_test.go
@@ -0,0 +1,29 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_doesnt_infer_the_rootDir_from_source_paths(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "doesnt infer the rootDir from source paths",
+		CommandLineArgs: []string{"--p", "alpha/tsconfig.json"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/alpha/src/a.ts": "export const m: number = 3;",
+			"/home/src/workspaces/project/alpha/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    },
+    "references": []
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_a_file_is_outside_the_rootdir_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_a_file_is_outside_the_rootdir_test.go
new file mode 100644
index 00000000000..311c1db2614
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_a_file_is_outside_the_rootdir_test.go
@@ -0,0 +1,30 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_errors_when_a_file_is_outside_the_rootdir(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "errors when a file is outside the rootdir",
+		CommandLineArgs: []string{"--p", "alpha/tsconfig.json"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/alpha/src/a.ts": "import * as b from '../../beta/b'",
+			"/home/src/workspaces/project/alpha/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    },
+    "references": []
+}`,
+			"/home/src/workspaces/project/beta/b.ts": "export { }",
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_declaration_false_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_declaration_false_test.go
new file mode 100644
index 00000000000..97d986f682f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_declaration_false_test.go
@@ -0,0 +1,29 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_errors_when_declaration_false(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "errors when declaration = false",
+		CommandLineArgs: []string{"--p", "primary/tsconfig.json"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/primary/a.ts": "export { };",
+			"/home/src/workspaces/project/primary/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+        "declaration": false
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_the_file_list_is_not_exhaustive_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_the_file_list_is_not_exhaustive_test.go
new file mode 100644
index 00000000000..9b87982800c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_the_file_list_is_not_exhaustive_test.go
@@ -0,0 +1,30 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_errors_when_the_file_list_is_not_exhaustive(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "errors when the file list is not exhaustive",
+		CommandLineArgs: []string{"--p", "primary/tsconfig.json"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/primary/a.ts": "import * as b from './b'",
+			"/home/src/workspaces/project/primary/b.ts": "export {}",
+			"/home/src/workspaces/project/primary/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    },
+    "files": [ "a.ts" ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_the_referenced_project_doesnt_exist_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_the_referenced_project_doesnt_exist_test.go
new file mode 100644
index 00000000000..7e4dd479b12
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_the_referenced_project_doesnt_exist_test.go
@@ -0,0 +1,31 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_errors_when_the_referenced_project_doesnt_exist(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "errors when the referenced project doesnt exist",
+		CommandLineArgs: []string{"--p", "primary/tsconfig.json"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/primary/a.ts": "export { };",
+			"/home/src/workspaces/project/primary/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    },
+    "references": [{
+        "path": "../foo"
+    }]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_the_referenced_project_doesnt_have_composite_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_the_referenced_project_doesnt_have_composite_test.go
new file mode 100644
index 00000000000..0c9028db574
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_errors_when_the_referenced_project_doesnt_have_composite_test.go
@@ -0,0 +1,37 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_errors_when_the_referenced_project_doesnt_have_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "errors when the referenced project doesnt have composite",
+		CommandLineArgs: []string{"--p", "reference/tsconfig.json"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/primary/a.ts": "export { };",
+			"/home/src/workspaces/project/primary/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": false,
+        "outDir": "bin",
+    }
+}`,
+			"/home/src/workspaces/project/reference/b.ts": "import * as mod_1 from \"../primary/a\";",
+			"/home/src/workspaces/project/reference/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    },
+    "files": [ "b.ts" ],
+    "references": [ { "path": "../primary" } ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_importing_const_enum_from_referenced_project_with_preserveConstEnums_and_verbatimModuleSyntax_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_importing_const_enum_from_referenced_project_with_preserveConstEnums_and_verbatimModuleSyntax_test.go
new file mode 100644
index 00000000000..e916810a09d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_importing_const_enum_from_referenced_project_with_preserveConstEnums_and_verbatimModuleSyntax_test.go
@@ -0,0 +1,54 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_importing_const_enum_from_referenced_project_with_preserveConstEnums_and_verbatimModuleSyntax(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "importing const enum from referenced project with preserveConstEnums and verbatimModuleSyntax",
+		CommandLineArgs: []string{"--p", "project", "--pretty", "false"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/no-preserve/index.d.ts": "export declare const enum F { A = 1 }",
+			"/home/src/workspaces/solution/no-preserve/index.ts":   "export const enum E { A = 1 }",
+			"/home/src/workspaces/solution/no-preserve/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "preserveConstEnums": false,
+    },
+}`,
+			"/home/src/workspaces/solution/preserve/index.d.ts": "export declare const enum E { A = 1 }",
+			"/home/src/workspaces/solution/preserve/index.ts":   "export const enum E { A = 1 }",
+			"/home/src/workspaces/solution/preserve/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "preserveConstEnums": true,
+    },
+}`,
+			"/home/src/workspaces/solution/project/index.ts": `import { E } from "../preserve";
+import { F } from "../no-preserve";
+E.A;
+F.A;`,
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "preserve",
+        "verbatimModuleSyntax": true,
+    },
+    "references": [
+        { "path": "../preserve" },
+        { "path": "../no-preserve" },
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_issues_a_nice_error_when_the_input_file_is_missing_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_issues_a_nice_error_when_the_input_file_is_missing_test.go
new file mode 100644
index 00000000000..8147181a6bc
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_issues_a_nice_error_when_the_input_file_is_missing_test.go
@@ -0,0 +1,37 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_issues_a_nice_error_when_the_input_file_is_missing(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "issues a nice error when the input file is missing",
+		CommandLineArgs: []string{"--p", "beta/tsconfig.json"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/alpha/a.ts": "export const m: number = 3;",
+			"/home/src/workspaces/project/alpha/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    },
+    "references": []
+}`,
+			"/home/src/workspaces/project/beta/b.ts": "import { m } from '../alpha/a'",
+			"/home/src/workspaces/project/beta/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    },
+    "references": [ { "path": "../alpha" } ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_issues_a_nice_error_when_the_input_file_is_missing_when_module_reference_is_not_relative_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_issues_a_nice_error_when_the_input_file_is_missing_when_module_reference_is_not_relative_test.go
new file mode 100644
index 00000000000..cfa6f75d853
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_issues_a_nice_error_when_the_input_file_is_missing_when_module_reference_is_not_relative_test.go
@@ -0,0 +1,39 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_issues_a_nice_error_when_the_input_file_is_missing_when_module_reference_is_not_relative(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "issues a nice error when the input file is missing when module reference is not relative",
+		CommandLineArgs: []string{"--p", "beta/tsconfig.json"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/alpha/a.ts": "export const m: number = 3;",
+			"/home/src/workspaces/project/alpha/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    }
+}`,
+			"/home/src/workspaces/project/beta/b.ts": "import { m } from '@alpha/a'",
+			"/home/src/workspaces/project/beta/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+        "paths": {
+            "@alpha/*": ["../alpha/*"],
+        },
+    },
+    "references": [ { "path": "../alpha" } ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_redirects_to_the_output_dts_file_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_redirects_to_the_output_dts_file_test.go
new file mode 100644
index 00000000000..f8e0d94603c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_redirects_to_the_output_dts_file_test.go
@@ -0,0 +1,37 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_redirects_to_the_output_dts_file(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "redirects to the output dts file",
+		CommandLineArgs: []string{"--p", "beta/tsconfig.json", "--explainFiles"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/alpha/a.ts":       "export const m: number = 3;",
+			"/home/src/workspaces/project/alpha/bin/a.d.ts": "export { };",
+			"/home/src/workspaces/project/alpha/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    }
+}`,
+			"/home/src/workspaces/project/beta/b.ts": "import { m } from '../alpha/a'",
+			"/home/src/workspaces/project/beta/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "outDir": "bin",
+    },
+    "references": [ { "path": "../alpha" } ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_referenced_project_with_esnext_module_disallows_synthetic_default_imports_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_referenced_project_with_esnext_module_disallows_synthetic_default_imports_test.go
new file mode 100644
index 00000000000..6f7f0db1495
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_referenced_project_with_esnext_module_disallows_synthetic_default_imports_test.go
@@ -0,0 +1,47 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_referenced_project_with_esnext_module_disallows_synthetic_default_imports(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "referenced project with esnext module disallows synthetic default imports",
+		CommandLineArgs: []string{"--p", "app", "--pretty", "false"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/app/index.ts": `import TestSrc from '../lib/src/utils'; // Error
+import TestDecl from '../lib/dist/utils'; // Error
+console.log(TestSrc.test());
+console.log(TestDecl.test());`,
+			"/home/src/workspaces/project/app/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "esnext",
+        "moduleResolution": "bundler"
+    },
+    "references": [
+        { "path": "../lib" }
+    ]
+}`,
+			"/home/src/workspaces/project/lib/dist/utils.d.ts": "export declare const test: () => string;",
+			"/home/src/workspaces/project/lib/src/utils.ts":    "export const test = () => 'test';",
+			"/home/src/workspaces/project/lib/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "module": "esnext",
+        "moduleResolution": "bundler",
+        "rootDir": "src",
+        "outDir": "dist"
+    },
+    "include": ["src"]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_referencing_ambient_const_enum_from_referenced_project_with_preserveConstEnums_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_referencing_ambient_const_enum_from_referenced_project_with_preserveConstEnums_test.go
new file mode 100644
index 00000000000..f0913415d97
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_referencing_ambient_const_enum_from_referenced_project_with_preserveConstEnums_test.go
@@ -0,0 +1,40 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_referencing_ambient_const_enum_from_referenced_project_with_preserveConstEnums(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "referencing ambient const enum from referenced project with preserveConstEnums",
+		CommandLineArgs: []string{"--p", "project"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/index.ts": "import { E } from \"../utils\"; E.A;",
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "compilerOptions": {
+        "isolatedModules": true,
+    },
+    "references": [
+        { "path": "../utils" },
+    ],
+}`,
+			"/home/src/workspaces/solution/utils/index.d.ts": "export declare const enum E { A = 1 }",
+			"/home/src/workspaces/solution/utils/index.ts":   "export const enum E { A = 1 }",
+			"/home/src/workspaces/solution/utils/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "declaration": true,
+        "preserveConstEnums": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_rewriteRelativeImportExtensionsProjectReferences1_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_rewriteRelativeImportExtensionsProjectReferences1_test.go
new file mode 100644
index 00000000000..b6db1ce5f82
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_rewriteRelativeImportExtensionsProjectReferences1_test.go
@@ -0,0 +1,58 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_rewriteRelativeImportExtensionsProjectReferences1(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "rewriteRelativeImportExtensionsProjectReferences1",
+		CommandLineArgs: []string{"-p", "packages/main", "--pretty", "false"},
+		Cwd:             "/home/src/workspaces",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/packages/common/dist/index.d.ts": "export {};",
+			"/home/src/workspaces/packages/common/package.json": `{
+        "name": "common",
+        "version": "1.0.0",
+        "type": "module",
+        "exports": {
+            ".": {
+                "source": "./src/index.ts",
+                "default": "./dist/index.js"
+            }
+        }
+}`,
+			"/home/src/workspaces/packages/common/src/index.ts": "export {};",
+			"/home/src/workspaces/packages/common/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "rootDir": "src",
+        "outDir": "dist", 
+        "module": "nodenext"
+    }
+}`,
+			"/home/src/workspaces/packages/main/package.json": `{
+    "type": "module"
+}`,
+			"/home/src/workspaces/packages/main/src/index.ts": "import {} from \"../../common/src/index.ts\";",
+			"/home/src/workspaces/packages/main/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "nodenext",
+        "rewriteRelativeImportExtensions": true,
+        "rootDir": "src",
+        "outDir": "dist"
+    },
+    "references": [
+        { "path": "../common" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_rewriteRelativeImportExtensionsProjectReferences2_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_rewriteRelativeImportExtensionsProjectReferences2_test.go
new file mode 100644
index 00000000000..7c375e313a7
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_rewriteRelativeImportExtensionsProjectReferences2_test.go
@@ -0,0 +1,45 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_rewriteRelativeImportExtensionsProjectReferences2(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "rewriteRelativeImportExtensionsProjectReferences2",
+		CommandLineArgs: []string{"--p", "src/services", "--pretty", "false"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/dist/compiler/parser.d.ts": "export {};",
+			"/home/src/workspaces/solution/src/compiler/parser.ts":    "export {};",
+			"/home/src/workspaces/solution/src/compiler/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {}
+}`,
+			"/home/src/workspaces/solution/src/services/services.ts": "import {} from \"../compiler/parser.ts\";",
+			"/home/src/workspaces/solution/src/services/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {},
+    "references": [
+        { "path": "../compiler" }
+    ]
+}`,
+			"/home/src/workspaces/solution/src/tsconfig-base.json": `{
+    "compilerOptions": {
+        "module": "nodenext",
+        "composite": true,
+        "rootDir": ".",
+        "outDir": "../dist",
+        "rewriteRelativeImportExtensions": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_rewriteRelativeImportExtensionsProjectReferences3_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_rewriteRelativeImportExtensionsProjectReferences3_test.go
new file mode 100644
index 00000000000..61cb5e806fa
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_rewriteRelativeImportExtensionsProjectReferences3_test.go
@@ -0,0 +1,49 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_rewriteRelativeImportExtensionsProjectReferences3(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "rewriteRelativeImportExtensionsProjectReferences3",
+		CommandLineArgs: []string{"--p", "src/services", "--pretty", "false"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/dist/compiler/parser.d.ts": "export {};",
+			"/home/src/workspaces/solution/src/compiler/parser.ts":    "export {};",
+			"/home/src/workspaces/solution/src/compiler/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "rootDir": ".",
+        "outDir": "../../dist/compiler"
+    }
+}`,
+			"/home/src/workspaces/solution/src/services/services.ts": "import {} from \"../compiler/parser.ts\";",
+			"/home/src/workspaces/solution/src/services/tsconfig.json": `{
+    "extends": "../tsconfig-base.json",
+    "compilerOptions": {
+        "rootDir": ".", 
+        "outDir": "../../dist/services"
+    },
+    "references": [
+        { "path": "../compiler" }
+    ]
+}`,
+			"/home/src/workspaces/solution/src/tsconfig-base.json": `{
+    "compilerOptions": { 
+        "module": "nodenext",
+        "composite": true,
+        "rewriteRelativeImportExtensions": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_when_project_contains_invalid_project_reference_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_when_project_contains_invalid_project_reference_test.go
new file mode 100644
index 00000000000..211e9772ebd
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_when_project_contains_invalid_project_reference_test.go
@@ -0,0 +1,28 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_when_project_contains_invalid_project_reference(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "when project contains invalid project reference",
+		CommandLineArgs: []string{"--p", "project"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/index.ts": "export const x = 10;",
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "references": [
+        { "path": "../utils" },
+    ],
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_when_project_reference_is_not_built_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_when_project_reference_is_not_built_test.go
new file mode 100644
index 00000000000..24bf757f84c
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_when_project_reference_is_not_built_test.go
@@ -0,0 +1,34 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_when_project_reference_is_not_built(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "when project reference is not built",
+		CommandLineArgs: []string{"--p", "project"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/index.ts": "import { x } from \"../utils\";",
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "references": [
+        { "path": "../utils" },
+    ],
+}`,
+			"/home/src/workspaces/solution/utils/index.ts": "export const x = 10;",
+			"/home/src/workspaces/solution/utils/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_when_project_references_composite_project_with_noEmit_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_when_project_references_composite_project_with_noEmit_test.go
new file mode 100644
index 00000000000..0f71a8c5558
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_when_project_references_composite_project_with_noEmit_test.go
@@ -0,0 +1,35 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_when_project_references_composite_project_with_noEmit(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "when project references composite project with noEmit",
+		CommandLineArgs: []string{"--p", "project"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/index.ts": "import { x } from \"../utils\";",
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "references": [
+        { "path": "../utils" },
+    ],
+}`,
+			"/home/src/workspaces/solution/utils/index.ts": "export const x = 10;",
+			"/home/src/workspaces/solution/utils/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "noEmit": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_projectReferences_when_project_references_composite_test.go b/internal/execute/tsctests/tests/tsc_projectReferences_when_project_references_composite_test.go
new file mode 100644
index 00000000000..607090b6a96
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_projectReferences_when_project_references_composite_test.go
@@ -0,0 +1,35 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_projectReferences_when_project_references_composite(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "projectReferences",
+		SubScenario:     "when project references composite",
+		CommandLineArgs: []string{"--p", "project"},
+		Cwd:             "/home/src/workspaces/solution",
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/solution/project/index.ts": "import { x } from \"../utils\";",
+			"/home/src/workspaces/solution/project/tsconfig.json": `{
+    "references": [
+        { "path": "../utils" },
+    ],
+}`,
+			"/home/src/workspaces/solution/utils/index.d.ts": "export declare const x = 10;",
+			"/home/src/workspaces/solution/utils/index.ts":   "export const x = 10;",
+			"/home/src/workspaces/solution/utils/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Default_initialized_TSConfig_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Default_initialized_TSConfig_test.go
new file mode 100644
index 00000000000..5454e923a74
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Default_initialized_TSConfig_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Default_initialized_TSConfig(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Default initialized TSConfig",
+		CommandLineArgs: []string{"--showConfig"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_advanced_options_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_advanced_options_test.go
new file mode 100644
index 00000000000..128b865d27f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_advanced_options_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_advanced_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with advanced options",
+		CommandLineArgs: []string{"--showConfig", "--declaration", "--declarationDir", "lib", "--skipLibCheck", "--noErrorTruncation"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_boolean_value_compiler_options_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_boolean_value_compiler_options_test.go
new file mode 100644
index 00000000000..77daf37e4a4
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_boolean_value_compiler_options_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_boolean_value_compiler_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with boolean value compiler options",
+		CommandLineArgs: []string{"--showConfig", "--noUnusedLocals"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_compileOnSave_and_more_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_compileOnSave_and_more_test.go
new file mode 100644
index 00000000000..928c9fd8fcb
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_compileOnSave_and_more_test.go
@@ -0,0 +1,41 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_compileOnSave_and_more(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with compileOnSave and more",
+		CommandLineArgs: []string{"-p", "tsconfig.json", "--showConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/index.ts": "export const a = 1;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "esModuleInterop": true,
+        "target": "es5",
+        "module": "commonjs",
+        "strict": true
+    },
+    "compileOnSave": true,
+    "exclude": [
+        "dist"
+    ],
+    "files": [],
+    "include": [
+        "src/*"
+    ],
+    "references": [
+        { "path": "./test" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_enum_value_compiler_options_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_enum_value_compiler_options_test.go
new file mode 100644
index 00000000000..a1370cbb1e1
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_enum_value_compiler_options_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_enum_value_compiler_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with enum value compiler options",
+		CommandLineArgs: []string{"--showConfig", "--target", "es5", "--jsx", "react"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_exclude_and_outDir_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_exclude_and_outDir_test.go
new file mode 100644
index 00000000000..dcb3b0f735f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_exclude_and_outDir_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_exclude_and_outDir(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with exclude and outDir",
+		CommandLineArgs: []string{"-p", "tsconfig.json", "--showConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/bin/tool.ts": "export const b = 2;",
+			"/home/src/workspaces/project/src/index.ts":    "export const a = 1;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true,
+        "outDir": "./build"
+    },
+    "exclude": [
+        "build"
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_exclude_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_exclude_test.go
new file mode 100644
index 00000000000..fabeed3b0f0
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_exclude_test.go
@@ -0,0 +1,31 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_exclude(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with exclude",
+		CommandLineArgs: []string{"-p", "tsconfig.json", "--showConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/index.ts":  "export const a = 1;",
+			"/home/src/workspaces/project/test/test1.ts": "import { a } from \"../src\";",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true
+    },
+    "exclude": [
+        "test"
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_files_and_include_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_files_and_include_test.go
new file mode 100644
index 00000000000..1d9e80fb822
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_files_and_include_test.go
@@ -0,0 +1,34 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_files_and_include(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with files and include",
+		CommandLineArgs: []string{"-p", "tsconfig.json", "--showConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/extra.ts":    "export const c = 3;",
+			"/home/src/workspaces/project/src/main.ts": "export const a = 1;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true
+    },
+    "files": [
+        "extra.ts"
+    ],
+    "include": [
+        "src/**/*"
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_files_options_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_files_options_test.go
new file mode 100644
index 00000000000..d153fdc214a
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_files_options_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_files_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with files options",
+		CommandLineArgs: []string{"--showConfig", "file0.ts", "file1.ts", "file2.ts"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_include_filtering_files_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_include_filtering_files_test.go
new file mode 100644
index 00000000000..cdc2f1c1454
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_include_filtering_files_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_include_filtering_files(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with include filtering files",
+		CommandLineArgs: []string{"-p", "tsconfig.json", "--showConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/extra.ts":    "export const c = 3;",
+			"/home/src/workspaces/project/src/main.ts": "export const a = 1;",
+			"/home/src/workspaces/project/src/util.ts": "export const b = 2;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "strict": true
+    },
+    "include": [
+        "src/**/*"
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_incorrect_compiler_option_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_incorrect_compiler_option_test.go
new file mode 100644
index 00000000000..04325af3aa8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_incorrect_compiler_option_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_incorrect_compiler_option(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with incorrect compiler option",
+		CommandLineArgs: []string{"--showConfig", "--someNonExistOption"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_incorrect_compiler_option_value_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_incorrect_compiler_option_value_test.go
new file mode 100644
index 00000000000..b9d6115d921
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_incorrect_compiler_option_value_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_incorrect_compiler_option_value(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with incorrect compiler option value",
+		CommandLineArgs: []string{"--showConfig", "--lib", "nonExistLib,es5,es2015.promise"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_list_compiler_options_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_list_compiler_options_test.go
new file mode 100644
index 00000000000..48447f71ff8
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_list_compiler_options_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_list_compiler_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with list compiler options",
+		CommandLineArgs: []string{"--showConfig", "--types", "jquery,mocha"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_list_compiler_options_with_enum_value_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_list_compiler_options_with_enum_value_test.go
new file mode 100644
index 00000000000..b989712ca8d
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_list_compiler_options_with_enum_value_test.go
@@ -0,0 +1,19 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_list_compiler_options_with_enum_value(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with list compiler options with enum value",
+		CommandLineArgs: []string{"--showConfig", "--lib", "es5,es2015.core"},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_paths_and_more_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_paths_and_more_test.go
new file mode 100644
index 00000000000..2babdd8989b
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_paths_and_more_test.go
@@ -0,0 +1,49 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_paths_and_more(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with paths and more",
+		CommandLineArgs: []string{"-p", "tsconfig.json", "--showConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/index.ts": "export const a = 1;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "allowJs": true,
+        "outDir": "./lib",
+        "esModuleInterop": true,
+        "module": "commonjs",
+        "moduleResolution": "node",
+        "target": "ES2017",
+        "sourceMap": true,
+        "baseUrl": ".",
+        "paths": {
+            "@root/*": ["./*"],
+            "@configs/*": ["src/configs/*"],
+            "@common/*": ["src/common/*"],
+            "*": [
+                "node_modules/*",
+                "src/types/*"
+            ]
+        },
+        "experimentalDecorators": true,
+        "emitDecoratorMetadata": true,
+        "resolveJsonModule": true
+    },
+    "include": [
+        "./src/**/*"
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_references_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_references_test.go
new file mode 100644
index 00000000000..b51bdbdcca9
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_references_test.go
@@ -0,0 +1,32 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_references(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with references",
+		CommandLineArgs: []string{"-p", "tsconfig.json", "--showConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/index.ts": "export const a = 1;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "strict": true
+    },
+    "references": [
+        { "path": "./packages/a" },
+        { "path": "./packages/b" }
+    ]
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_transitively_implied_options_test.go b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_transitively_implied_options_test.go
new file mode 100644
index 00000000000..7b588c0f0cb
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_showConfig_Show_TSConfig_with_transitively_implied_options_test.go
@@ -0,0 +1,27 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_showConfig_Show_TSConfig_with_transitively_implied_options(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "showConfig",
+		SubScenario:     "Show TSConfig with transitively implied options",
+		CommandLineArgs: []string{"-p", "tsconfig.json", "--showConfig"},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/src/index.ts": "export const a = 1;",
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "module": "nodenext"
+    }
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}
diff --git a/internal/execute/tsctests/tests/tsc_typeAcquisition_parse_tsconfig_with_typeAcquisition_test.go b/internal/execute/tsctests/tests/tsc_typeAcquisition_parse_tsconfig_with_typeAcquisition_test.go
new file mode 100644
index 00000000000..3797dd74a5f
--- /dev/null
+++ b/internal/execute/tsctests/tests/tsc_typeAcquisition_parse_tsconfig_with_typeAcquisition_test.go
@@ -0,0 +1,33 @@
+// Code generated by tsctests; DO NOT EDIT.
+
+package tests
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/execute/tsctests"
+)
+
+func TestTsc_typeAcquisition_parse_tsconfig_with_typeAcquisition(t *testing.T) {
+	test := &tsctests.TestSpec{
+		Scenario:        "typeAcquisition",
+		SubScenario:     "parse tsconfig with typeAcquisition",
+		CommandLineArgs: []string{},
+		Files: tsctests.FileMap{
+			"/home/src/workspaces/project/tsconfig.json": `{
+    "compilerOptions": {
+        "composite": true,
+        "noEmit": true,
+    },
+    "typeAcquisition": {
+        "enable": true,
+        "include": ["0.d.ts", "1.d.ts"],
+        "exclude": ["0.js", "1.js"],
+        "disableFilenameBasedTypeAcquisition": true,
+    },
+}`,
+		},
+	}
+	test.Start(t)
+	test.End()
+}