feat(special-command): New command: copyFullType to copy title from hover to your clipboard without truncation!

Author: zardoy

package.json

@@ -55,6 +55,10 @@
                 "command": "insertNameOfCompletion",
                 "title": "Insert Name of Completion",
                 "category": "TS Essentials"
+            },
+            {
+                "command": "copyFullType",
+                "title": "Copy Full Type"
             }
         ],
         "keybindings": [

typescript/src/ipcTypes.ts

@@ -1,6 +1,6 @@
 // should-not contain other typescript/* imports that use globals as is imported in extension code (src/)
 
-export const passthroughExposedApiCommands = ['getNodePath', 'getSpanOfEnclosingComment', 'getNodeAtPosition'] as const
+export const passthroughExposedApiCommands = ['getNodePath', 'getSpanOfEnclosingComment', 'getNodeAtPosition', 'getFullType'] as const
 
 export const triggerCharacterCommands = [
     ...passthroughExposedApiCommands,
@@ -82,6 +82,9 @@ export type RequestResponseTypes = {
         name: string
         range?: TsRange
     }
+    getFullType: {
+        text: string
+    }
 }
 
 // INPUT

typescript/src/specialCommands/handle.ts

@@ -254,6 +254,15 @@ export default (
     if (specialCommand === 'getLastResolvedCompletion') {
         return lastResolvedCompletion.value
     }
+    if (specialCommand === 'getFullType') {
+        const node = findChildContainingExactPosition(sourceFile, position)
+        if (!node) return
+        const checker = languageService.getProgram()!.getTypeChecker()!
+        const type = checker.getTypeAtLocation(node)
+        return {
+            text: checker.typeToString(type, undefined, ts.TypeFormatFlags.NoTruncation | ts.TypeFormatFlags.NoTypeReduction),
+        }
+    }
 
     return null
 }