bring back legacy extensions compilation

build/azure-pipelines/darwin/product-build-darwin.yml

@@ -87,6 +87,7 @@ steps:
 - script: |
     set -e
     yarn gulp compile-build
+    yarn gulp compile-extensions-build-legacy
     yarn gulp compile-extensions-build
     VSCODE_MIXIN_PASSWORD="$(github-distro-mixin-password)" \
       yarn gulp vscode-darwin-ci

build/azure-pipelines/linux/product-build-linux-alpine.yml

@@ -89,6 +89,7 @@ steps:
 - script: |
     set -e
     yarn gulp compile-build
+    yarn gulp compile-extensions-build-legacy
     yarn gulp compile-extensions-build
     ./build/azure-pipelines/linux/build-alpine.sh
   displayName: Build

build/azure-pipelines/linux/product-build-linux-arm.yml

@@ -89,6 +89,7 @@ steps:
 - script: |
     set -e
     yarn gulp compile-build
+    yarn gulp compile-extensions-build-legacy
     yarn gulp compile-extensions-build
     ./build/azure-pipelines/linux/build-arm.sh
   displayName: Build

build/azure-pipelines/linux/product-build-linux.yml

@@ -88,6 +88,7 @@ steps:
 - script: |
     set -e
     yarn gulp compile-build
+    yarn gulp compile-extensions-build-legacy
     yarn gulp compile-extensions-build
     VSCODE_MIXIN_PASSWORD="$(github-distro-mixin-password)" \
       yarn gulp vscode-linux-$VSCODE_ARCH-min-ci

build/azure-pipelines/win32/product-build-win32.yml

@@ -110,6 +110,7 @@ steps:
     $ErrorActionPreference = "Stop"
     $env:VSCODE_MIXIN_PASSWORD="$(github-distro-mixin-password)"
     exec { yarn gulp compile-build }
+    exec { yarn gulp compile-extensions-build-legacy }
     exec { yarn gulp compile-extensions-build }
     exec { yarn gulp "vscode-win32-$env:VSCODE_ARCH-min-ci" }
     exec { yarn gulp "vscode-reh-win32-$env:VSCODE_ARCH-min-ci" }

build/gulpfile.extensions.js

@@ -123,11 +123,20 @@ const tasks = compilations.map(function (tsconfigFile) {
 			.pipe(gulp.dest(out));
 	}));
 
+	const compileBuildTask = task.define(`compile-build-extension-${name}`, task.series(cleanTask, () => {
+		const pipeline = createPipeline(true, true);
+		const input = gulp.src(src, srcOpts);
+
+		return input
+			.pipe(pipeline())
+			.pipe(gulp.dest(out));
+	}));
+
 	// Tasks
 	gulp.task(compileTask);
 	gulp.task(watchTask);
 
-	return { compileTask, watchTask };
+	return { compileTask, watchTask, compileBuildTask };
 });
 
 const compileExtensionsTask = task.define('compile-extensions', task.parallel(...tasks.map(t => t.compileTask)));
@@ -138,6 +147,9 @@ const watchExtensionsTask = task.define('watch-extensions', task.parallel(...tas
 gulp.task(watchExtensionsTask);
 exports.watchExtensionsTask = watchExtensionsTask;
 
+const compileExtensionsBuildLegacyTask = task.define('compile-extensions-build-legacy', task.parallel(...tasks.map(t => t.compileBuildTask)));
+gulp.task(compileExtensionsBuildLegacyTask);
+
 // Azure Pipelines
 
 const cleanExtensionsBuildTask = task.define('clean-extensions-build', util.rimraf('.build/extensions'));