Implement pinned search and native JS result bindings

.github/workflows/test.yml

@@ -64,6 +64,20 @@ jobs:
       # rather than on every target the matrix above cross-compiles for.
       - run: cargo xtask test-plugins
 
+  test_code_mode:
+    name: Test code-mode API
+    runs-on: ubuntu-22.04
+    steps:
+      # v4.2.2
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+      - uses: dtolnay/rust-toolchain@1.85.0
+      - run: npm install --global bun@1.3.14
+      - run: sudo apt-get update && sudo apt-get install -y ripgrep
+      - run: bun install --frozen-lockfile
+      - run: bun run build:api
+      - run: bun run typecheck
+      - run: bun run test:code-mode
+
   test_mime_db:
     name: Test with MIME database
     runs-on: ubuntu-22.04

.gitignore

@@ -17,3 +17,10 @@ plugin.wasm
 
 # Generated data left behind by the retired review web viewer.
 /examples/review/viewer/data/
+
+# Node binding build and JS dependencies.
+/bindings/node/*.node
+/node_modules/
+
+# Optional computed diff store.
+/.cache/diffr/

Cargo.toml

@@ -32,6 +32,9 @@ include = [
 ]
 
 [dependencies]
+sha2 = "0.10"
+rusqlite = { version = "0.32", features = ["bundled"] }
+tempfile = "3.27.0"
 git2 = { version = "0.20", default-features = false }
 regex = "1.10.4"
 clap = { version = "4.0.0", features = ["cargo", "env", "wrap_help", "string"] }
@@ -164,7 +167,6 @@ assert_cmd = "2.0.17"
 predicates = "3.1.3"
 
 pretty_assertions = "1.3.0"
-tempfile = "3.27.0"
 
 [build-dependencies]
 toml = "0.8"
@@ -177,6 +179,7 @@ version_check = "0.9.4"
 [workspace]
 members = [
     "xtask",
+    "crates/diffr-node",
 	"crates/diffr-plugin-sdk",
 	"plugins/context",
 	"plugins/deleted-bodies",

bindings/node/build.mjs

@@ -0,0 +1,12 @@
+import { execFileSync } from "node:child_process";
+import { copyFileSync } from "node:fs";
+import { fileURLToPath } from "node:url";
+import { join } from "node:path";
+
+const cwd = fileURLToPath(new URL("../../", import.meta.url));
+execFileSync("cargo", ["build", "-p", "diffr-node"], { cwd, stdio: "inherit" });
+const metadata = JSON.parse(execFileSync("cargo", ["metadata", "--no-deps", "--format-version=1"], { cwd }));
+const library = process.platform === "darwin" ? "libdiffr_node.dylib"
+  : process.platform === "win32" ? "diffr_node.dll" : "libdiffr_node.so";
+copyFileSync(join(metadata.target_directory, "debug", library),
+  new URL("./diffr.node", import.meta.url));