Support Typescript 4

package.json

@@ -219,10 +219,10 @@
     "ts-api-guardian": "0.5.0",
     "ts-node": "^5.0.0",
     "tslib": "^2.0.0",
-    "tslint": "^6.0.0",
+    "tslint": "^6.1.3",
     "tslint-no-circular-imports": "^0.7.0",
     "tslint-sonarts": "1.9.0",
-    "typescript": "3.9.7",
+    "typescript": "4.0.2",
     "verdaccio": "4.8.1",
     "verdaccio-auth-memory": "^9.7.2",
     "webpack": "4.44.1",

packages/angular_devkit/build_angular/package.json

@@ -77,7 +77,7 @@
     "@angular/compiler-cli": ">=10.1.0-next.0 < 11",
     "@angular/localize": ">=10.1.0-next.0 < 11",
     "ng-packagr": "^10.0.0",
-    "typescript": ">=3.9 < 3.10"
+    "typescript": ">=3.9 < 4.1"
   },
   "peerDependenciesMeta": {
     "@angular/localize": {

packages/angular_devkit/build_optimizer/BUILD.bazel

@@ -34,12 +34,12 @@ ts_library(
     module_name = "@angular-devkit/build-optimizer",
     module_root = "src/index.d.ts",
     deps = [
-        "//packages/angular_devkit/build_optimizer/third_party/github.com/Microsoft/TypeScript",
         "@npm//@types/node",
         "@npm//@types/webpack",
         "@npm//@types/webpack-sources",
         "@npm//source-map",
         "@npm//tslib",
+        "@npm//typescript",
     ],
 )
 
@@ -50,9 +50,9 @@ ts_library(
     # @external_begin
     deps = [
         ":build_optimizer",
-        "//packages/angular_devkit/build_optimizer/third_party/github.com/Microsoft/TypeScript",
         "//packages/angular_devkit/core",
         "@npm//source-map",
+        "@npm//typescript",
     ],
     # @external_end
 )
@@ -66,15 +66,6 @@ jasmine_node_test(
     ],
 )
 
-jasmine_node_test(
-    name = "no_typescript_runtime_dep_test",
-    srcs = ["no_typescript_runtime_dep_spec.js"],
-    deps = [
-        ":build_optimizer",
-        "@npm//jasmine",
-    ],
-)
-
 # @external_begin
 pkg_npm(
     name = "npm_package",

packages/angular_devkit/build_optimizer/package.json

@@ -12,6 +12,7 @@
     "loader-utils": "2.0.0",
     "source-map": "0.7.3",
     "tslib": "2.0.1",
+    "typescript": "4.0.2",
     "webpack-sources": "1.4.3"
   }
 }

packages/angular_devkit/build_optimizer/src/helpers/ast-utils.ts

@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 import * as tslib from 'tslib';
-import * as ts from '../../third_party/github.com/Microsoft/TypeScript/lib/typescript';
+import * as ts from 'typescript';
 
 const pureFunctionComment = '@__PURE__';
 

packages/angular_devkit/build_optimizer/src/helpers/transform-javascript.ts

@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 import { RawSourceMap } from 'source-map';
-import * as ts from '../../third_party/github.com/Microsoft/TypeScript/lib/typescript';
+import * as ts from 'typescript';
 
 export type TransformerFactoryCreator = (
   program?: ts.Program,

packages/angular_devkit/build_optimizer/src/transforms/prefix-classes.ts

@@ -5,7 +5,7 @@
  * Use of this source code is governed by an MIT-style license that can be
  * found in the LICENSE file at https://angular.io/license
  */
-import * as ts from '../../third_party/github.com/Microsoft/TypeScript/lib/typescript';
+import * as ts from 'typescript';
 import { addPureComment } from '../helpers/ast-utils';
 
 export function testPrefixClasses(content: string) {

packages/angular_devkit/build_optimizer/src/transforms/prefix-functions.ts

@@ -5,7 +5,7 @@
  * Use of this source code is governed by an MIT-style license that can be
  * found in the LICENSE file at https://angular.io/license
  */
-import * as ts from '../../third_party/github.com/Microsoft/TypeScript/lib/typescript';
+import * as ts from 'typescript';
 import { addPureComment, getCleanHelperName, hasPureComment } from '../helpers/ast-utils';
 
 export function getPrefixFunctionsTransformer(): ts.TransformerFactory<ts.SourceFile> {

packages/angular_devkit/build_optimizer/src/transforms/scrub-file.ts

@@ -5,7 +5,7 @@
  * Use of this source code is governed by an MIT-style license that can be
  * found in the LICENSE file at https://angular.io/license
  */
-import * as ts from '../../third_party/github.com/Microsoft/TypeScript/lib/typescript';
+import * as ts from 'typescript';
 import { collectDeepNodes } from '../helpers/ast-utils';
 
 export function testScrubFile(content: string) {

packages/angular_devkit/build_optimizer/src/transforms/wrap-enums.ts

@@ -5,7 +5,7 @@
  * Use of this source code is governed by an MIT-style license that can be
  * found in the LICENSE file at https://angular.io/license
  */
-import * as ts from '../../third_party/github.com/Microsoft/TypeScript/lib/typescript';
+import * as ts from 'typescript';
 import { addPureComment } from '../helpers/ast-utils';
 
 function isBlockLike(node: ts.Node): node is ts.BlockLike {