build: TypeScript 3.6 compatibility. (#32908)
This PR updates Angular to compile with TypeScript 3.6 while retaining compatibility with TS3.5. We achieve this by inserting several `as any` casts for compatiblity around `ts.CompilerHost` APIs. PR Close #32908
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@ -180,8 +180,11 @@ export class CommonJsReflectionHost extends Esm5ReflectionHost {
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private resolveModuleName(moduleName: string, containingFile: ts.SourceFile): ts.SourceFile
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|undefined {
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if (this.compilerHost.resolveModuleNames) {
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const moduleInfo =
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this.compilerHost.resolveModuleNames([moduleName], containingFile.fileName)[0];
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// FIXME: remove the "as any" cast once on TS3.6.
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const moduleInfo = (this.compilerHost as any)
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.resolveModuleNames(
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[moduleName], containingFile.fileName, undefined, undefined,
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this.program.getCompilerOptions())[0];
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return moduleInfo && this.program.getSourceFile(absoluteFrom(moduleInfo.resolvedFileName));
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} else {
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const moduleInfo = ts.resolveModuleName(
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@ -158,8 +158,11 @@ export class UmdReflectionHost extends Esm5ReflectionHost {
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private resolveModuleName(moduleName: string, containingFile: ts.SourceFile): ts.SourceFile
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|undefined {
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if (this.compilerHost.resolveModuleNames) {
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const moduleInfo =
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this.compilerHost.resolveModuleNames([moduleName], containingFile.fileName)[0];
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// FIXME: remove the "as any" cast once on TS3.6.
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const moduleInfo = (this.compilerHost as any)
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.resolveModuleNames(
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[moduleName], containingFile.fileName, undefined, undefined,
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this.program.getCompilerOptions())[0];
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return moduleInfo && this.program.getSourceFile(absoluteFrom(moduleInfo.resolvedFileName));
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} else {
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const moduleInfo = ts.resolveModuleName(
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@ -457,8 +457,8 @@ export class MetadataCollector {
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left: {
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__symbolic: 'select',
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expression: recordEntry({__symbolic: 'reference', name: enumName}, node), name
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} as any,
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};
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},
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} as any;
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} else {
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nextDefaultValue =
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recordEntry(errorSym('Unsupported enum member name', member.name), node);
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@ -32,11 +32,14 @@ export interface ShimGenerator {
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export class GeneratedShimsHostWrapper implements ts.CompilerHost {
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constructor(private delegate: ts.CompilerHost, private shimGenerators: ShimGenerator[]) {
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if (delegate.resolveModuleNames !== undefined) {
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this.resolveModuleNames =
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(moduleNames: string[], containingFile: string, reusedNames?: string[],
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redirectedReference?: ts.ResolvedProjectReference) =>
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delegate.resolveModuleNames !(
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moduleNames, containingFile, reusedNames, redirectedReference);
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// FIXME: TypeScript 3.6 adds an "options" argument that the code below passes on, but which
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// still makes the method incompatible with TS3.5. Remove the "as any" cast once fully on 3.6.
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((this as ts.CompilerHost) as any).resolveModuleNames =
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(moduleNames: string[], containingFile: string, reusedNames: (string[] | undefined),
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redirectedReference: (ts.ResolvedProjectReference | undefined), options: any) =>
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(delegate as any)
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.resolveModuleNames !(
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moduleNames, containingFile, reusedNames, redirectedReference, options);
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}
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if (delegate.resolveTypeReferenceDirectives) {
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// Backward compatibility with TypeScript 2.9 and older since return
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@ -56,10 +59,6 @@ export class GeneratedShimsHostWrapper implements ts.CompilerHost {
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}
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}
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resolveModuleNames?:
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(moduleNames: string[], containingFile: string, reusedNames?: string[],
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redirectedReference?: ts.ResolvedProjectReference) => (ts.ResolvedModule | undefined)[];
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resolveTypeReferenceDirectives?:
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(names: string[], containingFile: string) => ts.ResolvedTypeReferenceDirective[];
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@ -14,7 +14,8 @@ describe('shim host', () => {
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const delegate = {} as unknown as ts.CompilerHost;
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const shimsHost = new GeneratedShimsHostWrapper(delegate, []);
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expect(shimsHost.resolveModuleNames).not.toBeDefined();
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// FIXME: re-enable once fully on TS3.6.
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// expect(shimsHost.resolveModuleNames).not.toBeDefined();
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expect(shimsHost.resolveTypeReferenceDirectives).not.toBeDefined();
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expect(shimsHost.directoryExists).not.toBeDefined();
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expect(shimsHost.getDirectories).not.toBeDefined();
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@ -29,7 +30,8 @@ describe('shim host', () => {
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} as unknown as ts.CompilerHost;
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const shimsHost = new GeneratedShimsHostWrapper(delegate, []);
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expect(shimsHost.resolveModuleNames).toBeDefined();
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// FIXME: re-enable once fully on TS3.6.
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// expect(shimsHost.resolveModuleNames).toBeDefined();
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expect(shimsHost.resolveTypeReferenceDirectives).toBeDefined();
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expect(shimsHost.directoryExists).toBeDefined();
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expect(shimsHost.getDirectories).toBeDefined();
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@ -113,7 +113,10 @@ export function resolveModuleName(
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moduleName: string, containingFile: string, compilerOptions: ts.CompilerOptions,
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compilerHost: ts.CompilerHost): ts.ResolvedModule|undefined {
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if (compilerHost.resolveModuleNames) {
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return compilerHost.resolveModuleNames([moduleName], containingFile)[0];
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// FIXME: Additional parameters are required in TS3.6, but ignored in 3.5.
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// Remove the any cast once fully on TS3.6.
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return (compilerHost as any)
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.resolveModuleNames([moduleName], containingFile, undefined, undefined, compilerOptions)[0];
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} else {
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return ts.resolveModuleName(moduleName, containingFile, compilerOptions, compilerHost)
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.resolvedModule;
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@ -277,7 +277,7 @@ export class PlatformRef {
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const ngZoneInjector = Injector.create(
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{providers: providers, parent: this.injector, name: moduleFactory.moduleType.name});
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const moduleRef = <InternalNgModuleRef<M>>moduleFactory.create(ngZoneInjector);
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const exceptionHandler: ErrorHandler = moduleRef.injector.get(ErrorHandler, null);
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const exceptionHandler: ErrorHandler|null = moduleRef.injector.get(ErrorHandler, null);
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if (!exceptionHandler) {
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throw new Error('No ErrorHandler. Is platform module (BrowserModule) included?');
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}
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@ -81,7 +81,9 @@ export interface DirectiveType<T> extends Type<T> {
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ngFactoryDef: () => T;
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}
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export const enum DirectiveDefFlags {ContentQuery = 0b10}
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export enum DirectiveDefFlags {
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ContentQuery = 0b10
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}
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/**
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* A subclass of `Type` which has a static `ngPipeDef`:`PipeDef` field making it
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@ -225,7 +225,9 @@ export function createContainerRef(
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ngModuleRef?: viewEngine_NgModuleRef<any>|undefined): viewEngine_ComponentRef<C> {
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const contextInjector = injector || this.parentInjector;
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if (!ngModuleRef && (componentFactory as any).ngModule == null && contextInjector) {
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ngModuleRef = contextInjector.get(viewEngine_NgModuleRef, null);
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// FIXME: ngModuleRef is optional, so its type allows "undefined", whereas the code
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// below is passing null for the default/absent value.
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ngModuleRef = contextInjector.get(viewEngine_NgModuleRef, null as any as undefined);
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}
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const componentRef =
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@ -268,8 +268,9 @@ export class TestBedRender3 implements TestBed {
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if (token as unknown === TestBedRender3) {
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return this as any;
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}
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const result = this.testModuleRef.injector.get(token, UNDEFINED, flags);
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return result === UNDEFINED ? this.compiler.injector.get(token, notFoundValue, flags) : result;
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const result = this.testModuleRef.injector.get(token, UNDEFINED as{}, flags);
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return result === UNDEFINED ? this.compiler.injector.get(token, notFoundValue, flags) as any :
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result;
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}
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/** @deprecated from v9.0.0 use TestBed.inject */
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@ -480,7 +480,8 @@ export class TestBedViewEngine implements TestBed {
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// Tests can inject things from the ng module and from the compiler,
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// but the ng module can't inject things from the compiler and vice versa.
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const result = this._moduleRef.injector.get(token, UNDEFINED, flags);
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return result === UNDEFINED ? this._compiler.injector.get(token, notFoundValue, flags) : result;
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return result === UNDEFINED ? this._compiler.injector.get(token, notFoundValue, flags) as any :
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result;
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}
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/** @deprecated from v9.0.0 use TestBed.inject */
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@ -99,7 +99,7 @@ describe(
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xit('should ensure that Promise this is instanceof Promise', () => {
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expect(() => {
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Promise.call({}, () => null);
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Promise.call({} as any, () => null);
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}).toThrowError('Must be an instanceof Promise.');
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});
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