build: typescript 3.7 support (#33717)

This PR updates TypeScript version to 3.7 while retaining compatibility with TS3.6.

PR Close #33717

integration/bazel/package.json

@@ -35,7 +35,7 @@
     "rollup-plugin-node-resolve": "5.2.0",
     "rollup-plugin-sourcemaps": "0.4.2",
     "terser": "4.3.9",
-    "typescript": "3.6.4"
+    "typescript": "3.7.4"
   },
   "scripts": {
     "test": "bazel build ... --noshow_progress && bazel test ...",

integration/bazel/yarn.lock

@@ -3397,10 +3397,10 @@ type-is@~1.6.17:
     media-typer "0.3.0"
     mime-types "~2.1.24"
 
-typescript@3.6.4:
-  version "3.6.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.6.4.tgz#b18752bb3792bc1a0281335f7f6ebf1bbfc5b91d"
-  integrity sha512-unoCll1+l+YK4i4F8f22TaNVPRHcD9PA3yCuZ8g5e0qGqlVlJ/8FSateOLLSagn+Yg5+ZwuPkL8LFUc0Jcvksg==
+typescript@3.7.4:
+  version "3.7.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.4.tgz#1743a5ec5fef6a1fa9f3e4708e33c81c73876c19"
+  integrity sha512-A25xv5XCtarLwXpcDNZzCGvW2D1S3/bACratYBx2sax8PefsFhlYmkQicKHvpYflFS8if4zne5zT5kpJ7pzuvw==
 
 typescript@~3.5.3:
   version "3.5.3"

integration/typings_test_ts37/include-all.ts

@@ -0,0 +1,77 @@
+/**
+ * @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_ts37/package.json

@@ -0,0 +1,30 @@
+{
+  "name": "angular-integration",
+  "description": "Assert that users with TypeScript 3.7 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": "2.5.41",
+    "rxjs": "file:../../node_modules/rxjs",
+    "typescript": "3.7.3",
+    "zone.js": "file:../../dist/bin/packages/zone.js/npm_package"
+  },
+  "scripts": {
+    "test": "tsc"
+  }
+}

integration/typings_test_ts37/tsconfig.json

@@ -0,0 +1,24 @@
+{
+  "compilerOptions": {
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "outDir": "../../dist/typings_test_ts37/",
+    "rootDir": ".",
+    "target": "es5",
+    "lib": [
+      "es5",
+      "dom",
+      "es2015.collection",
+      "es2015.iterable",
+      "es2015.promise"
+    ],
+    "types": [],
+    "strictNullChecks": true
+  },
+  "files": [
+    "include-all.ts",
+    "node_modules/@types/jasmine/index.d.ts"
+  ]
+}

package.json

@@ -123,7 +123,7 @@
     "tsickle": "0.37.1",
     "tslib": "^1.10.0",
     "tslint": "5.7.0",
-    "typescript": "~3.6.4",
+    "typescript": "~3.7.4",
     "xhr2": "0.1.4",
     "yargs": "13.1.0"
   },

packages/bazel/package.json

@@ -34,7 +34,7 @@
     "@angular/compiler-cli": "0.0.0-PLACEHOLDER",
     "@bazel/typescript": "0.*",
     "terser": "^4.3.1",
-    "typescript": ">=3.6 <3.7",
+    "typescript": ">=3.6 <3.8",
     "rollup": ">=1.20.0",
     "rollup-plugin-commonjs": ">=9.0.0",
     "rollup-plugin-node-resolve": ">=4.2.0",

packages/compiler-cli/package.json

@@ -25,7 +25,7 @@
   "peerDependencies": {
     "@angular/compiler": "0.0.0-PLACEHOLDER",
     "tslib": "^1.10.0",
-    "typescript": ">=3.6 <3.7"
+    "typescript": ">=3.6 <3.8"
   },
   "engines": {
     "node": ">=8.0"

packages/compiler-cli/src/typescript_support.ts

@@ -19,7 +19,7 @@ const MIN_TS_VERSION = '3.6.4';
  * ∀ supported typescript version v, v < MAX_TS_VERSION
  * MAX_TS_VERSION is not considered as a supported TypeScript version
  */
-const MAX_TS_VERSION = '3.7.0';
+const MAX_TS_VERSION = '3.8.0';
 
 /**
  * The currently used version of TypeScript, which can be adjusted for testing purposes using

packages/core/src/di/injectable.ts

@@ -9,7 +9,7 @@
 import {Type} from '../interface/type';
 import {TypeDecorator, makeDecorator} from '../util/decorators';
 
-import {InjectableType, getInjectableDef, ɵɵInjectableDef, ɵɵdefineInjectable} from './interface/defs';
+import {InjectableType, getInjectableDef, ɵɵdefineInjectable} from './interface/defs';
 import {ClassSansProvider, ConstructorSansProvider, ExistingSansProvider, FactorySansProvider, StaticClassSansProvider, ValueSansProvider} from './interface/provider';
 import {compileInjectable as render3CompileInjectable} from './jit/injectable';
 import {convertInjectableProviderToFactory} from './util';

packages/language-service/src/typescript_symbols.ts

@@ -157,8 +157,8 @@ class TypeScriptSymbolQuery implements SymbolQuery {
     const context: TypeContext = {node: this.source, program: this.program, checker: this.checker};
     const typeSymbol = findClassSymbolInContext(type, context);
     if (typeSymbol) {
-      const contextType = this.getTemplateRefContextType(typeSymbol);
-      if (contextType) return new SymbolWrapper(contextType, context).members();
+      const contextType = this.getTemplateRefContextType(typeSymbol, context);
+      if (contextType) return contextType.members();
     }
   }
 
@@ -186,7 +186,7 @@ class TypeScriptSymbolQuery implements SymbolQuery {
     return spanAt(this.source, line, column);
   }
 
-  private getTemplateRefContextType(typeSymbol: ts.Symbol): ts.Symbol|undefined {
+  private getTemplateRefContextType(typeSymbol: ts.Symbol, context: TypeContext): Symbol|undefined {
     const type = this.checker.getTypeOfSymbolAtLocation(typeSymbol, this.source);
     const constructor = type.symbol && type.symbol.members &&
         getFromSymbolTable(type.symbol.members !, '__constructor');
@@ -196,9 +196,10 @@ class TypeScriptSymbolQuery implements SymbolQuery {
       for (const parameter of constructorDeclaration.parameters) {
         const type = this.checker.getTypeAtLocation(parameter.type !);
         if (type.symbol !.name == 'TemplateRef' && isReferenceType(type)) {
-          const typeReference = type as ts.TypeReference;
-          if (typeReference.typeArguments && typeReference.typeArguments.length === 1) {
-            return typeReference.typeArguments[0].symbol;
+          const typeWrapper = new TypeWrapper(type, context);
+          const typeArguments = typeWrapper.typeArguments();
+          if (typeArguments && typeArguments.length === 1) {
+            return typeArguments[0];
           }
         }
       }
@@ -313,8 +314,15 @@ class TypeWrapper implements Symbol {
   }
 
   typeArguments(): Symbol[]|undefined {
-    // TODO: use checker.getTypeArguments when TS 3.7 lands in the monorepo.
-    const typeArguments: ReadonlyArray<ts.Type> = (this.tsType as any).typeArguments;
+    if (!isReferenceType(this.tsType)) return;
+
+    const typeReference = (this.tsType as ts.TypeReference);
+    let typeArguments: ReadonlyArray<ts.Type>|undefined;
+    if (this.context.checker.getTypeArguments) {
+      typeArguments = this.context.checker.getTypeArguments(typeReference);
+    } else {
+      typeArguments = typeReference.typeArguments;
+    }
     if (!typeArguments) return undefined;
     return typeArguments.map(ta => new TypeWrapper(ta, this.context));
   }

packages/platform-server/src/tokens.ts

@@ -32,4 +32,4 @@ export const INITIAL_CONFIG = new InjectionToken<PlatformConfig>('Server.INITIAL
  * @publicApi
  */
 export const BEFORE_APP_SERIALIZED =
-    new InjectionToken<Array<() => void>>('Server.RENDER_MODULE_HOOK');
+    new InjectionToken<Array<() => void | Promise<void>>>('Server.RENDER_MODULE_HOOK');

packages/zone.js/test/common/fetch.spec.ts

@@ -150,7 +150,7 @@ describe(
 
         it('cancel fetch should invoke onCancelTask',
            ifEnvSupportsWithDone('AbortController', (done: DoneFn) => {
-             if (isSafari) {
+             if (isSafari()) {
                // safari not work with AbortController
                done();
                return;
@@ -177,7 +177,7 @@ describe(
 
         it('cancel fetchTask should trigger abort',
            ifEnvSupportsWithDone('AbortController', (done: DoneFn) => {
-             if (isSafari) {
+             if (isSafari()) {
                // safari not work with AbortController
                done();
                return;

tools/public_api_guard/common/common.d.ts

@@ -188,10 +188,10 @@ export declare class LowerCasePipe implements PipeTransform {
 }
 
 export declare class NgClass extends NgClassBase implements DoCheck {
-    klass: string;
-    ngClass: string | string[] | Set<string> | {
+    set klass(value: string);
+    set ngClass(value: string | string[] | Set<string> | {
         [klass: string]: any;
-    };
+    });
     constructor(delegate: NgClassImpl);
     ngDoCheck(): void;
 }
@@ -217,9 +217,10 @@ export declare class NgComponentOutlet implements OnChanges, OnDestroy {
 }
 
 export declare class NgForOf<T, U extends NgIterable<T> = NgIterable<T>> implements DoCheck {
-    ngForOf: (U & NgIterable<T>) | undefined | null;
-    ngForTemplate: TemplateRef<NgForOfContext<T, U>>;
-    ngForTrackBy: TrackByFunction<T>;
+    set ngForOf(ngForOf: (U & NgIterable<T>) | undefined | null);
+    set ngForTemplate(value: TemplateRef<NgForOfContext<T, U>>);
+    get ngForTrackBy(): TrackByFunction<T>;
+    set ngForTrackBy(fn: TrackByFunction<T>);
     constructor(_viewContainer: ViewContainerRef, _template: TemplateRef<NgForOfContext<T, U>>, _differs: IterableDiffers);
     ngDoCheck(): void;
     static ngTemplateContextGuard<T, U extends NgIterable<T>>(dir: NgForOf<T, U>, ctx: any): ctx is NgForOfContext<T, U>;
@@ -228,19 +229,19 @@ export declare class NgForOf<T, U extends NgIterable<T> = NgIterable<T>> impleme
 export declare class NgForOfContext<T, U extends NgIterable<T> = NgIterable<T>> {
     $implicit: T;
     count: number;
-    readonly even: boolean;
-    readonly first: boolean;
+    get even(): boolean;
+    get first(): boolean;
     index: number;
-    readonly last: boolean;
+    get last(): boolean;
     ngForOf: U;
-    readonly odd: boolean;
+    get odd(): boolean;
     constructor($implicit: T, ngForOf: U, index: number, count: number);
 }
 
 export declare class NgIf<T = unknown> {
-    ngIf: T;
-    ngIfElse: TemplateRef<NgIfContext<T>> | null;
-    ngIfThen: TemplateRef<NgIfContext<T>> | null;
+    set ngIf(condition: T);
+    set ngIfElse(templateRef: TemplateRef<NgIfContext<T>> | null);
+    set ngIfThen(templateRef: TemplateRef<NgIfContext<T>> | null);
     constructor(_viewContainer: ViewContainerRef, templateRef: TemplateRef<NgIfContext<T>>);
     static ngTemplateGuard_ngIf: 'binding';
     static ngTemplateContextGuard<T>(dir: NgIf<T>, ctx: any): ctx is NgIfContext<T>;
@@ -262,7 +263,7 @@ export declare abstract class NgLocalization {
 }
 
 export declare class NgPlural {
-    ngPlural: number;
+    set ngPlural(value: number);
     constructor(_localization: NgLocalization);
     addCase(value: string, switchView: SwitchView): void;
 }
@@ -273,9 +274,9 @@ export declare class NgPluralCase {
 }
 
 export declare class NgStyle extends NgStyleBase implements DoCheck {
-    ngStyle: {
+    set ngStyle(value: {
         [klass: string]: any;
-    } | null;
+    } | null);
     constructor(delegate: NgStyleImpl);
     ngDoCheck(): void;
 }
@@ -291,7 +292,7 @@ export declare class NgStyleBase {
 }
 
 export declare class NgSwitch {
-    ngSwitch: any;
+    set ngSwitch(newValue: any);
 }
 
 export declare class NgSwitchCase implements DoCheck {
@@ -353,13 +354,13 @@ export declare class PercentPipe implements PipeTransform {
 }
 
 export declare abstract class PlatformLocation {
-    abstract readonly hash: string;
-    abstract readonly hostname: string;
-    abstract readonly href: string;
-    abstract readonly pathname: string;
-    abstract readonly port: string;
-    abstract readonly protocol: string;
-    abstract readonly search: string;
+    abstract get hash(): string;
+    abstract get hostname(): string;
+    abstract get href(): string;
+    abstract get pathname(): string;
+    abstract get port(): string;
+    abstract get protocol(): string;
+    abstract get search(): string;
     abstract back(): void;
     abstract forward(): void;
     abstract getBaseHrefFromDOM(): string;

tools/public_api_guard/common/http/testing.d.ts

@@ -22,7 +22,7 @@ export interface RequestMatch {
 }
 
 export declare class TestRequest {
-    readonly cancelled: boolean;
+    get cancelled(): boolean;
     request: HttpRequest<any>;
     constructor(request: HttpRequest<any>, observer: Observer<HttpEvent<any>>);
     error(error: ErrorEvent, opts?: {

tools/public_api_guard/common/testing.d.ts

@@ -19,15 +19,15 @@ export declare class MockLocationStrategy extends LocationStrategy {
 }
 
 export declare class MockPlatformLocation implements PlatformLocation {
-    readonly hash: string;
-    readonly hostname: string;
-    readonly href: string;
-    readonly pathname: string;
-    readonly port: string;
-    readonly protocol: string;
-    readonly search: string;
-    readonly state: unknown;
-    readonly url: string;
+    get hash(): string;
+    get hostname(): string;
+    get href(): string;
+    get pathname(): string;
+    get port(): string;
+    get protocol(): string;
+    get search(): string;
+    get state(): unknown;
+    get url(): string;
     constructor(config?: MockPlatformLocationConfig);
     back(): void;
     forward(): void;

tools/public_api_guard/core/core.d.ts

@@ -41,7 +41,7 @@ export declare class ApplicationRef {
     readonly componentTypes: Type<any>[];
     readonly components: ComponentRef<any>[];
     readonly isStable: Observable<boolean>;
-    readonly viewCount: number;
+    get viewCount(): number;
     attachView(viewRef: ViewRef): void;
     bootstrap<C>(componentOrFactory: ComponentFactory<C> | Type<C>, rootSelectorOrNode?: string | any): ComponentRef<C>;
     detachView(viewRef: ViewRef): void;
@@ -136,17 +136,17 @@ export interface ComponentDecorator {
 }
 
 export declare abstract class ComponentFactory<C> {
-    abstract readonly componentType: Type<any>;
-    abstract readonly inputs: {
+    abstract get componentType(): Type<any>;
+    abstract get inputs(): {
         propName: string;
         templateName: string;
     }[];
-    abstract readonly ngContentSelectors: string[];
-    abstract readonly outputs: {
+    abstract get ngContentSelectors(): string[];
+    abstract get outputs(): {
         propName: string;
         templateName: string;
     }[];
-    abstract readonly selector: string;
+    abstract get selector(): string;
     abstract create(injector: Injector, projectableNodes?: any[][], rootSelectorOrNode?: string | any, ngModule?: NgModuleRef<any>): ComponentRef<C>;
 }
 
@@ -156,12 +156,12 @@ export declare abstract class ComponentFactoryResolver {
 }
 
 export declare abstract class ComponentRef<C> {
-    abstract readonly changeDetectorRef: ChangeDetectorRef;
-    abstract readonly componentType: Type<any>;
-    abstract readonly hostView: ViewRef;
-    abstract readonly injector: Injector;
-    abstract readonly instance: C;
-    abstract readonly location: ElementRef;
+    abstract get changeDetectorRef(): ChangeDetectorRef;
+    abstract get componentType(): Type<any>;
+    abstract get hostView(): ViewRef;
+    abstract get injector(): Injector;
+    abstract get instance(): C;
+    abstract get location(): ElementRef;
     abstract destroy(): void;
     abstract onDestroy(callback: Function): void;
 }
@@ -262,7 +262,7 @@ export declare const DEFAULT_CURRENCY_CODE: InjectionToken<string>;
 /** @deprecated */
 export declare class DefaultIterableDiffer<V> implements IterableDiffer<V>, IterableChanges<V> {
     readonly collection: V[] | Iterable<V> | null;
-    readonly isDirty: boolean;
+    get isDirty(): boolean;
     readonly length: number;
     constructor(trackByFn?: TrackByFunction<V>);
     check(collection: NgIterable<V>): boolean;
@@ -318,8 +318,8 @@ export declare class ElementRef<T extends any = any> {
 }
 
 export declare abstract class EmbeddedViewRef<C> extends ViewRef {
-    abstract readonly context: C;
-    abstract readonly rootNodes: any[];
+    abstract get context(): C;
+    abstract get rootNodes(): any[];
 }
 
 export declare function enableProdMode(): void;
@@ -601,7 +601,7 @@ export interface NgModuleDecorator {
 }
 
 export declare abstract class NgModuleFactory<T> {
-    abstract readonly moduleType: Type<T>;
+    abstract get moduleType(): Type<T>;
     abstract create(parentInjector: Injector | null): NgModuleRef<T>;
 }
 
@@ -611,9 +611,9 @@ export declare abstract class NgModuleFactoryLoader {
 }
 
 export declare abstract class NgModuleRef<T> {
-    abstract readonly componentFactoryResolver: ComponentFactoryResolver;
-    abstract readonly injector: Injector;
-    abstract readonly instance: T;
+    abstract get componentFactoryResolver(): ComponentFactoryResolver;
+    abstract get injector(): Injector;
+    abstract get instance(): T;
     abstract destroy(): void;
     abstract onDestroy(callback: () => void): void;
 }
@@ -780,7 +780,7 @@ export declare function ɵɵdefineComponent<T>(componentDefinition: {
 
 export declare const ɵɵdefineDirective: <T>(directiveDefinition: {
     type: Type<T>;
-    selectors?: (string | SelectorFlags)[][] | undefined;
+    selectors?: CssSelectorList | undefined;
     inputs?: { [P in keyof T]?: string | [string, string] | undefined; } | undefined;
     outputs?: { [P_1 in keyof T]?: string | undefined; } | undefined;
     features?: DirectiveDefFeature[] | undefined;
@@ -1114,8 +1114,8 @@ export declare const PLATFORM_INITIALIZER: InjectionToken<(() => void)[]>;
 export declare const platformCore: (extraProviders?: StaticProvider[] | undefined) => PlatformRef;
 
 export declare class PlatformRef {
-    readonly destroyed: boolean;
-    readonly injector: Injector;
+    get destroyed(): boolean;
+    get injector(): Injector;
     bootstrapModule<M>(moduleType: Type<M>, compilerOptions?: (CompilerOptions & BootstrapOptions) | Array<CompilerOptions & BootstrapOptions>): Promise<NgModuleRef<M>>;
     bootstrapModuleFactory<M>(moduleFactory: NgModuleFactory<M>, options?: BootstrapOptions): Promise<NgModuleRef<M>>;
     destroy(): void;
@@ -1164,7 +1164,7 @@ export declare class QueryList<T> implements Iterable<T> {
 
 /** @deprecated */
 export declare abstract class ReflectiveInjector implements Injector {
-    abstract readonly parent: Injector | null;
+    abstract get parent(): Injector | null;
     abstract createChildFromResolved(providers: ResolvedReflectiveProvider[]): ReflectiveInjector;
     abstract get(token: any, notFoundValue?: any): any;
     abstract instantiateResolved(provider: ResolvedReflectiveProvider): any;
@@ -1181,12 +1181,12 @@ export declare class ReflectiveKey {
     id: number;
     token: Object;
     constructor(token: Object, id: number);
-    static readonly numberOfKeys: number;
+    static get numberOfKeys(): number;
     static get(token: Object): ReflectiveKey;
 }
 
 export declare abstract class Renderer2 {
-    abstract readonly data: {
+    abstract get data(): {
         [key: string]: any;
     };
     destroyNode: ((node: any) => void) | null;
@@ -1325,7 +1325,7 @@ export declare abstract class SystemJsNgModuleLoaderConfig {
 }
 
 export declare abstract class TemplateRef<C> {
-    abstract readonly elementRef: ElementRef;
+    abstract get elementRef(): ElementRef;
     abstract createEmbeddedView(context: C): EmbeddedViewRef<C>;
 }
 
@@ -1412,10 +1412,10 @@ export interface ViewChildrenDecorator {
 }
 
 export declare abstract class ViewContainerRef {
-    abstract readonly element: ElementRef;
-    abstract readonly injector: Injector;
-    abstract readonly length: number;
-    /** @deprecated */ abstract readonly parentInjector: Injector;
+    abstract get element(): ElementRef;
+    abstract get injector(): Injector;
+    abstract get length(): number;
+    /** @deprecated */ abstract get parentInjector(): Injector;
     abstract clear(): void;
     abstract createComponent<C>(componentFactory: ComponentFactory<C>, index?: number, injector?: Injector, projectableNodes?: any[][], ngModule?: NgModuleRef<any>): ComponentRef<C>;
     abstract createEmbeddedView<C>(templateRef: TemplateRef<C>, context?: C, index?: number): EmbeddedViewRef<C>;
@@ -1435,7 +1435,7 @@ export declare enum ViewEncapsulation {
 }
 
 export declare abstract class ViewRef extends ChangeDetectorRef {
-    abstract readonly destroyed: boolean;
+    abstract get destroyed(): boolean;
     abstract destroy(): void;
     abstract onDestroy(callback: Function): any /** TODO #9100 */;
 }

tools/public_api_guard/forms/forms.d.ts

@@ -1,20 +1,20 @@
 export declare abstract class AbstractControl {
     asyncValidator: AsyncValidatorFn | null;
-    readonly dirty: boolean;
-    readonly disabled: boolean;
-    readonly enabled: boolean;
+    get dirty(): boolean;
+    get disabled(): boolean;
+    get enabled(): boolean;
     readonly errors: ValidationErrors | null;
-    readonly invalid: boolean;
-    readonly parent: FormGroup | FormArray;
-    readonly pending: boolean;
+    get invalid(): boolean;
+    get parent(): FormGroup | FormArray;
+    get pending(): boolean;
     readonly pristine: boolean;
-    readonly root: AbstractControl;
+    get root(): AbstractControl;
     readonly status: string;
     readonly statusChanges: Observable<any>;
     readonly touched: boolean;
-    readonly untouched: boolean;
-    readonly updateOn: FormHooks;
-    readonly valid: boolean;
+    get untouched(): boolean;
+    get updateOn(): FormHooks;
+    get valid(): boolean;
     validator: ValidatorFn | null;
     readonly value: any;
     readonly valueChanges: Observable<any>;
@@ -65,22 +65,22 @@ export declare abstract class AbstractControl {
 }
 
 export declare abstract class AbstractControlDirective {
-    abstract readonly control: AbstractControl | null;
-    readonly dirty: boolean | null;
-    readonly disabled: boolean | null;
-    readonly enabled: boolean | null;
-    readonly errors: ValidationErrors | null;
-    readonly invalid: boolean | null;
-    readonly path: string[] | null;
-    readonly pending: boolean | null;
-    readonly pristine: boolean | null;
-    readonly status: string | null;
-    readonly statusChanges: Observable<any> | null;
-    readonly touched: boolean | null;
-    readonly untouched: boolean | null;
-    readonly valid: boolean | null;
-    readonly value: any;
-    readonly valueChanges: Observable<any> | null;
+    abstract get control(): AbstractControl | null;
+    get dirty(): boolean | null;
+    get disabled(): boolean | null;
+    get enabled(): boolean | null;
+    get errors(): ValidationErrors | null;
+    get invalid(): boolean | null;
+    get path(): string[] | null;
+    get pending(): boolean | null;
+    get pristine(): boolean | null;
+    get status(): string | null;
+    get statusChanges(): Observable<any> | null;
+    get touched(): boolean | null;
+    get untouched(): boolean | null;
+    get valid(): boolean | null;
+    get value(): any;
+    get valueChanges(): Observable<any> | null;
     getError(errorCode: string, path?: Array<string | number> | string): any;
     hasError(errorCode: string, path?: Array<string | number> | string): boolean;
     reset(value?: any): void;
@@ -93,11 +93,11 @@ export interface AbstractControlOptions {
 }
 
 export declare class AbstractFormGroupDirective extends ControlContainer implements OnInit, OnDestroy {
-    readonly asyncValidator: AsyncValidatorFn | null;
-    readonly control: FormGroup;
-    readonly formDirective: Form | null;
-    readonly path: string[];
-    readonly validator: ValidatorFn | null;
+    get asyncValidator(): AsyncValidatorFn | null;
+    get control(): FormGroup;
+    get formDirective(): Form | null;
+    get path(): string[];
+    get validator(): ValidatorFn | null;
     ngOnDestroy(): void;
     ngOnInit(): void;
 }
@@ -127,9 +127,9 @@ export declare class CheckboxRequiredValidator extends RequiredValidator {
 export declare const COMPOSITION_BUFFER_MODE: InjectionToken<boolean>;
 
 export declare abstract class ControlContainer extends AbstractControlDirective {
-    readonly formDirective: Form | null;
+    get formDirective(): Form | null;
     name: string | number | null;
-    readonly path: string[] | null;
+    get path(): string[] | null;
 }
 
 export interface ControlValueAccessor {
@@ -150,7 +150,7 @@ export declare class DefaultValueAccessor implements ControlValueAccessor {
 }
 
 export declare class EmailValidator implements Validator {
-    email: boolean | string;
+    set email(value: boolean | string);
     registerOnValidatorChange(fn: () => void): void;
     validate(control: AbstractControl): ValidationErrors | null;
 }
@@ -167,7 +167,7 @@ export interface Form {
 
 export declare class FormArray extends AbstractControl {
     controls: AbstractControl[];
-    readonly length: number;
+    get length(): number;
     constructor(controls: AbstractControl[], validatorOrOpts?: ValidatorFn | ValidatorFn[] | AbstractControlOptions | null, asyncValidator?: AsyncValidatorFn | AsyncValidatorFn[] | null);
     at(index: number): AbstractControl;
     clear(): void;
@@ -191,12 +191,12 @@ export declare class FormArray extends AbstractControl {
 }
 
 export declare class FormArrayName extends ControlContainer implements OnInit, OnDestroy {
-    readonly asyncValidator: AsyncValidatorFn | null;
-    readonly control: FormArray;
-    readonly formDirective: FormGroupDirective | null;
+    get asyncValidator(): AsyncValidatorFn | null;
+    get control(): FormArray;
+    get formDirective(): FormGroupDirective | null;
     name: string | number | null;
-    readonly path: string[];
-    readonly validator: ValidatorFn | null;
+    get path(): string[];
+    get validator(): ValidatorFn | null;
     constructor(parent: ControlContainer, validators: any[], asyncValidators: any[]);
     ngOnDestroy(): void;
     ngOnInit(): void;
@@ -235,14 +235,14 @@ export declare class FormControl extends AbstractControl {
 }
 
 export declare class FormControlDirective extends NgControl implements OnChanges {
-    readonly asyncValidator: AsyncValidatorFn | null;
-    readonly control: FormControl;
+    get asyncValidator(): AsyncValidatorFn | null;
+    get control(): FormControl;
     form: FormControl;
-    isDisabled: boolean;
+    set isDisabled(isDisabled: boolean);
     /** @deprecated */ model: any;
-    readonly path: string[];
+    get path(): string[];
     /** @deprecated */ update: EventEmitter<any>;
-    readonly validator: ValidatorFn | null;
+    get validator(): ValidatorFn | null;
     viewModel: any;
     constructor(validators: Array<Validator | ValidatorFn>, asyncValidators: Array<AsyncValidator | AsyncValidatorFn>, valueAccessors: ControlValueAccessor[], _ngModelWarningConfig: string | null);
     ngOnChanges(changes: SimpleChanges): void;
@@ -250,15 +250,15 @@ export declare class FormControlDirective extends NgControl implements OnChanges
 }
 
 export declare class FormControlName extends NgControl implements OnChanges, OnDestroy {
-    readonly asyncValidator: AsyncValidatorFn;
+    get asyncValidator(): AsyncValidatorFn;
     readonly control: FormControl;
-    readonly formDirective: any;
-    isDisabled: boolean;
+    get formDirective(): any;
+    set isDisabled(isDisabled: boolean);
     /** @deprecated */ model: any;
     name: string | number | null;
-    readonly path: string[];
+    get path(): string[];
     /** @deprecated */ update: EventEmitter<any>;
-    readonly validator: ValidatorFn | null;
+    get validator(): ValidatorFn | null;
     constructor(parent: ControlContainer, validators: Array<Validator | ValidatorFn>, asyncValidators: Array<AsyncValidator | AsyncValidatorFn>, valueAccessors: ControlValueAccessor[], _ngModelWarningConfig: string | null);
     ngOnChanges(changes: SimpleChanges): void;
     ngOnDestroy(): void;
@@ -297,12 +297,12 @@ export declare class FormGroup extends AbstractControl {
 }
 
 export declare class FormGroupDirective extends ControlContainer implements Form, OnChanges {
-    readonly control: FormGroup;
+    get control(): FormGroup;
     directives: FormControlName[];
     form: FormGroup;
-    readonly formDirective: Form;
+    get formDirective(): Form;
     ngSubmit: EventEmitter<any>;
-    readonly path: string[];
+    get path(): string[];
     readonly submitted: boolean;
     constructor(_validators: any[], _asyncValidators: any[]);
     addControl(dir: FormControlName): FormControl;
@@ -350,9 +350,9 @@ export declare const NG_VALIDATORS: InjectionToken<(Function | Validator)[]>;
 export declare const NG_VALUE_ACCESSOR: InjectionToken<ControlValueAccessor>;
 
 export declare abstract class NgControl extends AbstractControlDirective {
-    readonly asyncValidator: AsyncValidatorFn | null;
+    get asyncValidator(): AsyncValidatorFn | null;
     name: string | number | null;
-    readonly validator: ValidatorFn | null;
+    get validator(): ValidatorFn | null;
     valueAccessor: ControlValueAccessor | null;
     abstract viewToModelUpdate(newValue: any): void;
 }
@@ -366,17 +366,17 @@ export declare class NgControlStatusGroup extends AbstractControlStatus {
 }
 
 export declare class NgForm extends ControlContainer implements Form, AfterViewInit {
-    readonly control: FormGroup;
-    readonly controls: {
+    get control(): FormGroup;
+    get controls(): {
         [key: string]: AbstractControl;
     };
     form: FormGroup;
-    readonly formDirective: Form;
+    get formDirective(): Form;
     ngSubmit: EventEmitter<any>;
     options: {
         updateOn?: FormHooks;
     };
-    readonly path: string[];
+    get path(): string[];
     readonly submitted: boolean;
     constructor(validators: any[], asyncValidators: any[]);
     addControl(dir: NgModel): void;
@@ -396,9 +396,9 @@ export declare class NgForm extends ControlContainer implements Form, AfterViewI
 }
 
 export declare class NgModel extends NgControl implements OnChanges, OnDestroy {
-    readonly asyncValidator: AsyncValidatorFn | null;
+    get asyncValidator(): AsyncValidatorFn | null;
     readonly control: FormControl;
-    readonly formDirective: any;
+    get formDirective(): any;
     isDisabled: boolean;
     model: any;
     name: string;
@@ -407,9 +407,9 @@ export declare class NgModel extends NgControl implements OnChanges, OnDestroy {
         standalone?: boolean;
         updateOn?: FormHooks;
     };
-    readonly path: string[];
+    get path(): string[];
     update: EventEmitter<any>;
-    readonly validator: ValidatorFn | null;
+    get validator(): ValidatorFn | null;
     viewModel: any;
     constructor(parent: ControlContainer, validators: Array<Validator | ValidatorFn>, asyncValidators: Array<AsyncValidator | AsyncValidatorFn>, valueAccessors: ControlValueAccessor[]);
     ngOnChanges(changes: SimpleChanges): void;
@@ -425,8 +425,8 @@ export declare class NgModelGroup extends AbstractFormGroupDirective implements
 
 export declare class NgSelectOption implements OnDestroy {
     id: string;
-    ngValue: any;
-    value: any;
+    set ngValue(value: any);
+    set value(value: any);
     constructor(_element: ElementRef, _renderer: Renderer2, _select: SelectControlValueAccessor);
     ngOnDestroy(): void;
 }
@@ -480,13 +480,14 @@ export declare class ReactiveFormsModule {
 }
 
 export declare class RequiredValidator implements Validator {
-    required: boolean | string;
+    get required(): boolean | string;
+    set required(value: boolean | string);
     registerOnValidatorChange(fn: () => void): void;
     validate(control: AbstractControl): ValidationErrors | null;
 }
 
 export declare class SelectControlValueAccessor implements ControlValueAccessor {
-    compareWith: (o1: any, o2: any) => boolean;
+    set compareWith(fn: (o1: any, o2: any) => boolean);
     onChange: (_: any) => void;
     onTouched: () => void;
     value: any;
@@ -498,7 +499,7 @@ export declare class SelectControlValueAccessor implements ControlValueAccessor
 }
 
 export declare class SelectMultipleControlValueAccessor implements ControlValueAccessor {
-    compareWith: (o1: any, o2: any) => boolean;
+    set compareWith(fn: (o1: any, o2: any) => boolean);
     onChange: (_: any) => void;
     onTouched: () => void;
     value: any;

tools/public_api_guard/http/http.d.ts

@@ -142,7 +142,8 @@ export declare class RequestOptions {
     method: RequestMethod | string | null;
     params: URLSearchParams;
     responseType: ResponseContentType | null;
-    /** @deprecated */ search: URLSearchParams;
+    /** @deprecated */ set search(params: URLSearchParams);
+    /** @deprecated */ get search(): URLSearchParams;
     url: string | null;
     withCredentials: boolean | null;
     constructor(opts?: RequestOptionsArgs);

tools/public_api_guard/platform-server/platform-server.d.ts

@@ -1,4 +1,4 @@
-export declare const BEFORE_APP_SERIALIZED: InjectionToken<(() => void)[]>;
+export declare const BEFORE_APP_SERIALIZED: InjectionToken<(() => void | Promise<void>)[]>;
 
 export declare const INITIAL_CONFIG: InjectionToken<PlatformConfig>;
 

tools/public_api_guard/router/router.d.ts

@@ -1,37 +1,37 @@
 export declare class ActivatedRoute {
-    readonly children: ActivatedRoute[];
+    get children(): ActivatedRoute[];
     component: Type<any> | string | null;
     data: Observable<Data>;
-    readonly firstChild: ActivatedRoute | null;
+    get firstChild(): ActivatedRoute | null;
     fragment: Observable<string>;
     outlet: string;
-    readonly paramMap: Observable<ParamMap>;
+    get paramMap(): Observable<ParamMap>;
     params: Observable<Params>;
-    readonly parent: ActivatedRoute | null;
-    readonly pathFromRoot: ActivatedRoute[];
-    readonly queryParamMap: Observable<ParamMap>;
+    get parent(): ActivatedRoute | null;
+    get pathFromRoot(): ActivatedRoute[];
+    get queryParamMap(): Observable<ParamMap>;
     queryParams: Observable<Params>;
-    readonly root: ActivatedRoute;
-    readonly routeConfig: Route | null;
+    get root(): ActivatedRoute;
+    get routeConfig(): Route | null;
     snapshot: ActivatedRouteSnapshot;
     url: Observable<UrlSegment[]>;
     toString(): string;
 }
 
 export declare class ActivatedRouteSnapshot {
-    readonly children: ActivatedRouteSnapshot[];
+    get children(): ActivatedRouteSnapshot[];
     component: Type<any> | string | null;
     data: Data;
-    readonly firstChild: ActivatedRouteSnapshot | null;
+    get firstChild(): ActivatedRouteSnapshot | null;
     fragment: string;
     outlet: string;
-    readonly paramMap: ParamMap;
+    get paramMap(): ParamMap;
     params: Params;
-    readonly parent: ActivatedRouteSnapshot | null;
-    readonly pathFromRoot: ActivatedRouteSnapshot[];
-    readonly queryParamMap: ParamMap;
+    get parent(): ActivatedRouteSnapshot | null;
+    get pathFromRoot(): ActivatedRouteSnapshot[];
+    get queryParamMap(): ParamMap;
     queryParams: Params;
-    readonly root: ActivatedRouteSnapshot;
+    get root(): ActivatedRouteSnapshot;
     readonly routeConfig: Route | null;
     url: UrlSegment[];
     toString(): string;
@@ -333,7 +333,7 @@ export declare class Router {
     relativeLinkResolution: 'legacy' | 'corrected';
     routeReuseStrategy: RouteReuseStrategy;
     readonly routerState: RouterState;
-    readonly url: string;
+    get url(): string;
     urlHandlingStrategy: UrlHandlingStrategy;
     urlUpdateStrategy: 'deferred' | 'eager';
     constructor(rootComponentType: Type<any> | null, urlSerializer: UrlSerializer, rootContexts: ChildrenOutletContexts, location: Location, injector: Injector, loader: NgModuleFactoryLoader, compiler: Compiler, config: Routes);
@@ -374,18 +374,18 @@ export declare class RouterEvent {
 export declare class RouterLink {
     fragment: string;
     preserveFragment: boolean;
-    /** @deprecated */ preserveQueryParams: boolean;
+    /** @deprecated */ set preserveQueryParams(value: boolean);
     queryParams: {
         [k: string]: any;
     };
     queryParamsHandling: QueryParamsHandling;
     replaceUrl: boolean;
-    routerLink: any[] | string;
+    set routerLink(commands: any[] | string);
     skipLocationChange: boolean;
     state?: {
         [k: string]: any;
     };
-    readonly urlTree: UrlTree;
+    get urlTree(): UrlTree;
     constructor(router: Router, route: ActivatedRoute, tabIndex: string, renderer: Renderer2, el: ElementRef);
     onClick(): boolean;
 }
@@ -394,7 +394,7 @@ export declare class RouterLinkActive implements OnChanges, OnDestroy, AfterCont
     readonly isActive: boolean;
     links: QueryList<RouterLink>;
     linksWithHrefs: QueryList<RouterLinkWithHref>;
-    routerLinkActive: string[] | string;
+    set routerLinkActive(data: string[] | string);
     routerLinkActiveOptions: {
         exact: boolean;
     };
@@ -408,19 +408,19 @@ export declare class RouterLinkWithHref implements OnChanges, OnDestroy {
     fragment: string;
     href: string;
     preserveFragment: boolean;
-    preserveQueryParams: boolean;
+    set preserveQueryParams(value: boolean);
     queryParams: {
         [k: string]: any;
     };
     queryParamsHandling: QueryParamsHandling;
     replaceUrl: boolean;
-    routerLink: any[] | string;
+    set routerLink(commands: any[] | string);
     skipLocationChange: boolean;
     state?: {
         [k: string]: any;
     };
     target: string;
-    readonly urlTree: UrlTree;
+    get urlTree(): UrlTree;
     constructor(router: Router, route: ActivatedRoute, locationStrategy: LocationStrategy);
     ngOnChanges(changes: {}): any;
     ngOnDestroy(): any;
@@ -435,11 +435,11 @@ export declare class RouterModule {
 
 export declare class RouterOutlet implements OnDestroy, OnInit {
     activateEvents: EventEmitter<any>;
-    readonly activatedRoute: ActivatedRoute;
-    readonly activatedRouteData: Data;
-    readonly component: Object;
+    get activatedRoute(): ActivatedRoute;
+    get activatedRouteData(): Data;
+    get component(): Object;
     deactivateEvents: EventEmitter<any>;
-    readonly isActivated: boolean;
+    get isActivated(): boolean;
     constructor(parentContexts: ChildrenOutletContexts, location: ViewContainerRef, resolver: ComponentFactoryResolver, name: string, changeDetector: ChangeDetectorRef);
     activateWith(activatedRoute: ActivatedRoute, resolver: ComponentFactoryResolver | null): void;
     attach(ref: ComponentRef<any>, activatedRoute: ActivatedRoute): void;
@@ -510,7 +510,7 @@ export declare type UrlMatchResult = {
 };
 
 export declare class UrlSegment {
-    readonly parameterMap: ParamMap;
+    get parameterMap(): ParamMap;
     parameters: {
         [name: string]: string;
     };
@@ -527,7 +527,7 @@ export declare class UrlSegmentGroup {
     children: {
         [key: string]: UrlSegmentGroup;
     };
-    readonly numberOfChildren: number;
+    get numberOfChildren(): number;
     parent: UrlSegmentGroup | null;
     segments: UrlSegment[];
     constructor(
@@ -546,7 +546,7 @@ export declare abstract class UrlSerializer {
 
 export declare class UrlTree {
     fragment: string | null;
-    readonly queryParamMap: ParamMap;
+    get queryParamMap(): ParamMap;
     queryParams: Params;
     root: UrlSegmentGroup;
     toString(): string;

tools/public_api_guard/router/testing.d.ts

@@ -6,7 +6,10 @@ export declare function setupTestingRouter(urlSerializer: UrlSerializer, context
 export declare function setupTestingRouter(urlSerializer: UrlSerializer, contexts: ChildrenOutletContexts, location: Location, loader: NgModuleFactoryLoader, compiler: Compiler, injector: Injector, routes: Route[][], urlHandlingStrategy?: UrlHandlingStrategy): Router;
 
 export declare class SpyNgModuleFactoryLoader implements NgModuleFactoryLoader {
-    stubbedModules: {
+    set stubbedModules(modules: {
+        [path: string]: any;
+    });
+    get stubbedModules(): {
         [path: string]: any;
     };
     constructor(compiler: Compiler);

tools/public_api_guard/service-worker/service-worker.d.ts

@@ -3,7 +3,7 @@ export declare class ServiceWorkerModule {
 }
 
 export declare class SwPush {
-    readonly isEnabled: boolean;
+    get isEnabled(): boolean;
     readonly messages: Observable<object>;
     readonly notificationClicks: Observable<{
         action: string;
@@ -28,7 +28,7 @@ export declare abstract class SwRegistrationOptions {
 export declare class SwUpdate {
     readonly activated: Observable<UpdateActivatedEvent>;
     readonly available: Observable<UpdateAvailableEvent>;
-    readonly isEnabled: boolean;
+    get isEnabled(): boolean;
     constructor(sw: NgswCommChannel);
     activateUpdate(): Promise<void>;
     checkForUpdate(): Promise<void>;

tools/ts-api-guardian/package.json

@@ -17,7 +17,7 @@
     "test": "test"
   },
   "peerDependencies": {
-    "typescript": "~3.6.4"
+    "typescript": "~3.7.4"
   },
   "dependencies": {
     "chalk": "^2.3.1",
@@ -33,7 +33,7 @@
     "chai": "^4.1.2",
     "jasmine": "^3.1.0",
     "source-map-support": "^0.5.9",
-    "typescript": "~3.6.4"
+    "typescript": "~3.7.4"
   },
   "repository": {},
   "keywords": [

yarn.lock

@@ -13609,7 +13609,7 @@ typescript@3.2.4:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.2.4.tgz#c585cb952912263d915b462726ce244ba510ef3d"
   integrity sha512-0RNDbSdEokBeEAkgNbxJ+BLwSManFy9TeXz8uW+48j/xhEXv1ePME60olyzw2XzUqUBNAYFeJadIqAgNqIACwg==
 
-typescript@3.6.4, typescript@~3.6.4:
+typescript@3.6.4:
   version "3.6.4"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.6.4.tgz#b18752bb3792bc1a0281335f7f6ebf1bbfc5b91d"
   integrity sha512-unoCll1+l+YK4i4F8f22TaNVPRHcD9PA3yCuZ8g5e0qGqlVlJ/8FSateOLLSagn+Yg5+ZwuPkL8LFUc0Jcvksg==
@@ -13619,6 +13619,11 @@ typescript@~3.5.3:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.5.3.tgz#c830f657f93f1ea846819e929092f5fe5983e977"
   integrity sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==
 
+typescript@~3.7.4:
+  version "3.7.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.4.tgz#1743a5ec5fef6a1fa9f3e4708e33c81c73876c19"
+  integrity sha512-A25xv5XCtarLwXpcDNZzCGvW2D1S3/bACratYBx2sax8PefsFhlYmkQicKHvpYflFS8if4zne5zT5kpJ7pzuvw==
+
 uglify-js@1.2.6, uglify-js@~1.2.5:
   version "1.2.6"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-1.2.6.tgz#d354b2d3c1cf10ebc18fa78c11a28bdd9ce1580d"