Add a test project for TypeScript 3.x

Author: octogonz

build-tests/install-test-workspace/workspace/common/pnpm-lock.yaml

@@ -1,2 +1,3 @@
 packages:
   - typescript-newest-test
+  - typescript-v3-test

build-tests/install-test-workspace/workspace/pnpm-workspace.yaml

@@ -0,0 +1,7 @@
+// This is a workaround for https://github.com/eslint/eslint/issues/3458
+require('@rushstack/eslint-config/patch/modern-module-resolution');
+
+module.exports = {
+  extends: ['@rushstack/eslint-config/profile/node'],
+  parserOptions: { tsconfigRootDir: __dirname }
+};

build-tests/install-test-workspace/workspace/typescript-v3-test/.eslintrc.js

@@ -0,0 +1,12 @@
+{
+  "$schema": "https://developer.microsoft.com/json-schemas/heft/heft.schema.json",
+
+  "eventActions": [
+    {
+      "actionKind": "deleteGlobs",
+      "heftEvent": "clean",
+      "actionId": "defaultClean",
+      "globsToDelete": ["dist", "lib", "temp"]
+    }
+  ]
+}

build-tests/install-test-workspace/workspace/typescript-v3-test/config/heft.json

@@ -0,0 +1,3 @@
+{
+  "projectOutputFolderNames": ["lib", "dist"]
+}