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feat(ComponentUrlMapper): retrieve the base URL for components
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‎modules/angular2/src/core/compiler/component_url_mapper.js‎

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import {Type, isPresent} from 'angular2/src/facade/lang';
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import {Map, MapWrapper} from 'angular2/src/facade/lang';
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export class ComponentUrlMapper {
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// Returns the url to the component source file.
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// The returned url could be:
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// - an absolute URL,
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// - a URL relative to the application
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getUrl(component: Type): string {
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return './';
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}
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}
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export class RuntimeComponentUrlMapper extends ComponentUrlMapper {
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_componentUrls: Map;
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constructor() {
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super();
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this._componentUrls = MapWrapper.create();
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}
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setComponentUrl(component: Type, url: string) {
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MapWrapper.set(this._componentUrls, component, url);
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}
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getUrl(component: Type): string {
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var url = MapWrapper.get(this._componentUrls, component);
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if (isPresent(url)) return url;
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return super.getUrl(component);
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}
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}

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