Merge pull request #4120 from dmichon-msft/typescript-split-transpile

[heft-typescript@next] Add "useTranspilerWorker" option

Author: iclanton

.vscode/launch.json

@@ -39,6 +39,24 @@
 			"console": "integratedTerminal",
 			"internalConsoleOptions": "neverOpen"
 		},
+		{
+			"type": "node",
+			"request": "launch",
+			"name": "Debug Build in Selected Project (Heft)",
+			"cwd": "${fileDirname}",
+			"runtimeArgs": [
+				"--nolazy",
+				"--inspect-brk",
+				"${workspaceFolder}/apps/heft/lib/start.js",
+				"--debug",
+				"build"
+			],
+			"skipFiles": ["<node_internals>/**"],
+			"outFiles": [],
+			"sourceMaps": true,
+			"console": "integratedTerminal",
+			"internalConsoleOptions": "neverOpen"
+		},
 		{
 			"name": "Attach",
 			"type": "node",

build-tests/heft-typescript-composite-test/src/indexA.ts

@@ -8,3 +8,5 @@ import(/* webpackChunkName: 'chunk' */ './chunks/ChunkClass')
   .catch((e) => {
     console.log('Error: ' + e.message);
   });
+
+export {};

build-tests/heft-typescript-composite-test/src/indexB.ts

@@ -1 +1,3 @@
 console.log('dostuff');
+
+export {};

build-tests/heft-typescript-composite-test/tsconfig-base.json

@@ -16,6 +16,9 @@
     "noUnusedLocals": true,
     "types": ["heft-jest", "webpack-env"],
 
+    "isolatedModules": true,
+    "importsNotUsedAsValues": "error",
+
     "module": "esnext",
     "moduleResolution": "node",
     "target": "es5",

build-tests/heft-webpack4-everything-test/config/typescript.json

@@ -55,5 +55,7 @@
     // "excludeGlobs": [
     //   "some/path/*.css"
     // ]
-  }
+  },
+
+  "useTranspilerWorker": true
 }

build-tests/heft-webpack4-everything-test/package.json

@@ -5,7 +5,7 @@
   "private": true,
   "scripts": {
     "build": "heft build --clean",
-    "start": "heft start",
+    "start": "heft build-watch --serve",
     "_phase:build": "heft run --only build -- --clean",
     "_phase:test": "heft run --only test -- --clean"
   },

build-tests/heft-webpack4-everything-test/src/indexA.ts

@@ -8,3 +8,5 @@ import(/* webpackChunkName: 'chunk' */ './chunks/ChunkClass')
   .catch((e) => {
     console.log('Error: ' + e.message);
   });
+
+export {};

build-tests/heft-webpack4-everything-test/src/indexB.ts

@@ -1 +1,3 @@
 console.log('dostuff');
+
+export {};

build-tests/heft-webpack4-everything-test/tsconfig.json

@@ -16,6 +16,7 @@
     "noUnusedLocals": true,
     "types": ["heft-jest", "webpack-env"],
     "incremental": true,
+    "isolatedModules": true,
 
     "module": "esnext",
     "moduleResolution": "node",

common/reviews/api/heft-typescript-plugin.api.md

@@ -59,6 +59,7 @@ export interface ITypeScriptConfigurationJson {
     // (undocumented)
     project?: string;
     staticAssetsToCopy?: IStaticAssetsCopyConfiguration;
+    useTranspilerWorker?: boolean;
 }
 
 // @beta (undocumented)