85 lines
2.6 KiB
TypeScript
85 lines
2.6 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 {Compiler, ComponentMetadata, DirectiveMetadata, Injectable, Injector} from '@angular/core';
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import {DirectiveResolver} from '../src/directive_resolver';
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import {Map} from '../src/facade/collection';
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import {Type, isPresent} from '../src/facade/lang';
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/**
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* An implementation of {@link DirectiveResolver} that allows overriding
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* various properties of directives.
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*/
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@Injectable()
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export class MockDirectiveResolver extends DirectiveResolver {
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private _providerOverrides = new Map<Type, any[]>();
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private viewProviderOverrides = new Map<Type, any[]>();
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constructor(private _injector: Injector) { super(); }
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private get _compiler(): Compiler { return this._injector.get(Compiler); }
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resolve(type: Type): DirectiveMetadata {
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var dm = super.resolve(type);
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var providerOverrides = this._providerOverrides.get(type);
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var viewProviderOverrides = this.viewProviderOverrides.get(type);
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var providers = dm.providers;
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if (isPresent(providerOverrides)) {
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var originalViewProviders: any[] = isPresent(dm.providers) ? dm.providers : [];
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providers = originalViewProviders.concat(providerOverrides);
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}
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if (dm instanceof ComponentMetadata) {
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var viewProviders = dm.viewProviders;
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if (isPresent(viewProviderOverrides)) {
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var originalViewProviders: any[] = isPresent(dm.viewProviders) ? dm.viewProviders : [];
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viewProviders = originalViewProviders.concat(viewProviderOverrides);
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}
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return new ComponentMetadata({
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selector: dm.selector,
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inputs: dm.inputs,
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outputs: dm.outputs,
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host: dm.host,
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exportAs: dm.exportAs,
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moduleId: dm.moduleId,
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queries: dm.queries,
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changeDetection: dm.changeDetection,
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providers: providers,
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viewProviders: viewProviders,
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precompile: dm.precompile
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});
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}
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return new DirectiveMetadata({
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selector: dm.selector,
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inputs: dm.inputs,
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outputs: dm.outputs,
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host: dm.host,
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providers: providers,
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exportAs: dm.exportAs,
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queries: dm.queries
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});
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}
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setProvidersOverride(type: Type, providers: any[]): void {
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this._providerOverrides.set(type, providers);
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this._compiler.clearCacheFor(type);
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}
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setViewProvidersOverride(type: Type, viewProviders: any[]): void {
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this.viewProviderOverrides.set(type, viewProviders);
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this._compiler.clearCacheFor(type);
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}
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}
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