5332b04f35
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
40 lines
1.5 KiB
TypeScript
40 lines
1.5 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import * as ts from 'typescript';
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import {GeneratedShimsHostWrapper} from '../src/host';
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describe('shim host', () => {
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it('should not have optional methods when delegate does not have them', function() {
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const delegate = {} as unknown as ts.CompilerHost;
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const shimsHost = new GeneratedShimsHostWrapper(delegate, []);
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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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});
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it('should delegate optional methods if available', function() {
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const delegate = {
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resolveModuleNames: () => undefined,
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resolveTypeReferenceDirectives: () => undefined,
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directoryExists: () => undefined,
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getDirectories: () => undefined,
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} as unknown as ts.CompilerHost;
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const shimsHost = new GeneratedShimsHostWrapper(delegate, []);
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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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});
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});
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