refactor: remove support for TypeScript 3.8 (#37129)

With this change we drop support for TypeScript 3.8 and remove all related tests.

BREAKING CHANGE:

TypeScript 3.8 is no longer supported, please update to TypeScript 3.9.

PR Close #37129

integration/typings_test_ts38/include-all.ts

@@ -1,77 +0,0 @@
-/**
- * @license
- * Copyright Google Inc. All Rights Reserved.
- *
- * 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 animations from '@angular/animations';
-import * as animationsBrowser from '@angular/animations/browser';
-import * as animationsBrowserTesting from '@angular/animations/browser/testing';
-import * as common from '@angular/common';
-import * as commonHttp from '@angular/common/http';
-import * as commonTesting from '@angular/common/testing';
-import * as commonHttpTesting from '@angular/common/testing';
-import * as compiler from '@angular/compiler';
-import * as compilerTesting from '@angular/compiler/testing';
-import * as core from '@angular/core';
-import * as coreTesting from '@angular/core/testing';
-import * as elements from '@angular/elements';
-import * as forms from '@angular/forms';
-// Current plan for Angular 8 is to stop building the @angular/http package
-// import * as http from '@angular/http';
-// import * as httpTesting from '@angular/http/testing';
-import * as platformBrowser from '@angular/platform-browser';
-import * as platformBrowserDynamic from '@angular/platform-browser-dynamic';
-import * as platformBrowserDynamicTesting from '@angular/platform-browser-dynamic/testing';
-import * as platformBrowserAnimations from '@angular/platform-browser/animations';
-import * as platformBrowserTesting from '@angular/platform-browser/testing';
-import * as platformServer from '@angular/platform-server';
-import * as platformServerTesting from '@angular/platform-server/testing';
-import * as platformWebworker from '@angular/platform-webworker';
-import * as platformWebworkerDynamic from '@angular/platform-webworker-dynamic';
-import * as router from '@angular/router';
-import * as routerTesting from '@angular/router/testing';
-import * as routerUpgrade from '@angular/router/upgrade';
-import * as serviceWorker from '@angular/service-worker';
-import * as upgrade from '@angular/upgrade';
-import * as upgradeStatic from '@angular/upgrade/static';
-import * as upgradeTesting from '@angular/upgrade/static/testing';
-
-export default {
-  animations,
-  animationsBrowser,
-  animationsBrowserTesting,
-  common,
-  commonTesting,
-  commonHttp,
-  commonHttpTesting,
-  compiler,
-  compilerTesting,
-  core,
-  coreTesting,
-  elements,
-  forms,
-  // See above
-  // http,
-  // httpTesting,
-  platformBrowser,
-  platformBrowserTesting,
-  platformBrowserDynamic,
-  platformBrowserDynamicTesting,
-  platformBrowserAnimations,
-  platformServer,
-  platformServerTesting,
-  platformWebworker,
-  platformWebworkerDynamic,
-  router,
-  routerTesting,
-  routerUpgrade,
-  serviceWorker,
-  upgrade,
-  upgradeStatic,
-  upgradeTesting,
-};

integration/typings_test_ts38/package.json

@@ -1,30 +0,0 @@
-{
-  "name": "angular-integration",
-  "description": "Assert that users with TypeScript 3.8 can type-check an Angular application",
-  "version": "0.0.0",
-  "license": "MIT",
-  "dependencies": {
-    "@angular/animations": "file:../../dist/packages-dist/animations",
-    "@angular/common": "file:../../dist/packages-dist/common",
-    "@angular/compiler": "file:../../dist/packages-dist/compiler",
-    "@angular/compiler-cli": "file:../../dist/packages-dist/compiler-cli",
-    "@angular/core": "file:../../dist/packages-dist/core",
-    "@angular/elements": "file:../../dist/packages-dist/elements",
-    "@angular/forms": "file:../../dist/packages-dist/forms",
-    "@angular/platform-browser": "file:../../dist/packages-dist/platform-browser",
-    "@angular/platform-browser-dynamic": "file:../../dist/packages-dist/platform-browser-dynamic",
-    "@angular/platform-server": "file:../../dist/packages-dist/platform-server",
-    "@angular/platform-webworker": "file:../../dist/packages-dist/platform-webworker",
-    "@angular/platform-webworker-dynamic": "file:../../dist/packages-dist/platform-webworker-dynamic",
-    "@angular/router": "file:../../dist/packages-dist/router",
-    "@angular/service-worker": "file:../../dist/packages-dist/service-worker",
-    "@angular/upgrade": "file:../../dist/packages-dist/upgrade",
-    "@types/jasmine": "file:../../node_modules/@types/jasmine",
-    "rxjs": "file:../../node_modules/rxjs",
-    "typescript": "3.8.3",
-    "zone.js": "file:../../dist/zone.js-dist/zone.js"
-  },
-  "scripts": {
-    "test": "tsc"
-  }
-}

integration/typings_test_ts38/tsconfig.json

@@ -1,26 +0,0 @@
-{
-  "compilerOptions": {
-    "forceConsistentCasingInFileNames": true,
-    "strict": true,
-    "noImplicitReturns": true,
-    "noFallthroughCasesInSwitch": true,
-    "experimentalDecorators": true,
-    "module": "commonjs",
-    "moduleResolution": "node",
-    "outDir": "./dist/out-tsc",
-    "rootDir": ".",
-    "target": "es5",
-    "lib": [
-      "es5",
-      "dom",
-      "es2015.collection",
-      "es2015.iterable",
-      "es2015.promise"
-    ],
-    "types": [],
-  },
-  "files": [
-    "include-all.ts",
-    "node_modules/@types/jasmine/index.d.ts"
-  ]
-}

integration/typings_test_ts38/yarn.lock

@@ -1,663 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
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-    minimist "^1.2.0"
-    reflect-metadata "^0.1.2"
-    semver "^6.3.0"
-    source-map "^0.6.1"
-    sourcemap-codec "^1.4.8"
-    yargs "13.1.0"
-
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-
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-  version "9.1.0-next.2"
-
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-  version "9.1.0-next.2"
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-
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-  version "9.1.0-next.2"
-
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-
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-  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.8.3.tgz#409eb8544ea0335711205869ec458ab109ee1061"
-  integrity sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==
-
-universalify@^0.1.0:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
-  integrity sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==
-
-which-module@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
-  integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
-
-which@^1.2.9:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
-  integrity sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==
-  dependencies:
-    isexe "^2.0.0"
-
-wrap-ansi@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
-  integrity sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=
-  dependencies:
-    string-width "^1.0.1"
-    strip-ansi "^3.0.1"
-
-wrappy@1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
-  integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
-
-xhr2@^0.1.4:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/xhr2/-/xhr2-0.1.4.tgz#7f87658847716db5026323812f818cadab387a5f"
-  integrity sha1-f4dliEdxbbUCYyOBL4GMras4el8=
-
-y18n@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
-  integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
-
-yargs-parser@^13.0.0:
-  version "13.1.1"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.1.1.tgz#d26058532aa06d365fe091f6a1fc06b2f7e5eca0"
-  integrity sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==
-  dependencies:
-    camelcase "^5.0.0"
-    decamelize "^1.2.0"
-
-yargs@13.1.0:
-  version "13.1.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.1.0.tgz#b2729ce4bfc0c584939719514099d8a916ad2301"
-  integrity sha512-1UhJbXfzHiPqkfXNHYhiz79qM/kZqjTE8yGlEjZa85Q+3+OwcV6NRkV7XOV1W2Eom2bzILeUn55pQYffjVOLAg==
-  dependencies:
-    cliui "^4.0.0"
-    find-up "^3.0.0"
-    get-caller-file "^2.0.1"
-    os-locale "^3.1.0"
-    require-directory "^2.1.1"
-    require-main-filename "^2.0.0"
-    set-blocking "^2.0.0"
-    string-width "^3.0.0"
-    which-module "^2.0.0"
-    y18n "^4.0.0"
-    yargs-parser "^13.0.0"
-
-"zone.js@file:../../dist/zone.js-dist/zone.js":
-  version "0.10.3"

packages/bazel/package.json

@@ -34,7 +34,7 @@
     "@angular/compiler-cli": "0.0.0-PLACEHOLDER",
     "@bazel/typescript": ">=1.0.0",
     "terser": "^4.3.1",
-    "typescript": ">=3.8 <4.0",
+    "typescript": ">=3.9 <4.0",
     "rollup": ">=1.20.0",
     "rollup-plugin-commonjs": ">=9.0.0",
     "rollup-plugin-node-resolve": ">=4.2.0",

packages/compiler-cli/package.json

@@ -27,7 +27,7 @@
   "peerDependencies": {
     "@angular/compiler": "0.0.0-PLACEHOLDER",
     "tslib": "^1.10.0",
-    "typescript": ">=3.8 <4.0"
+    "typescript": ">=3.9 <4.0"
   },
   "engines": {
     "node": ">=10.0"

packages/compiler-cli/src/typescript_support.ts

@@ -12,7 +12,7 @@ import {compareVersions} from './diagnostics/typescript_version';
  * Minimum supported TypeScript version
  * ∀ supported typescript version v, v >= MIN_TS_VERSION
  */
-const MIN_TS_VERSION = '3.8.3';
+const MIN_TS_VERSION = '3.9.2';
 
 /**
  * Supremum of supported TypeScript versions