36 lines
1.0 KiB
TypeScript
36 lines
1.0 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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// asset:<package-name>/<realm>/<path-to-module>
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var _ASSET_URL_RE = /asset:([^\/]+)\/([^\/]+)\/(.+)/;
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/**
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* Interface that defines how import statements should be generated.
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*/
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export abstract class ImportGenerator {
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static parseAssetUrl(url: string): AssetUrl { return AssetUrl.parse(url); }
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abstract getImportPath(moduleUrlStr: string, importedUrlStr: string): string;
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}
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export class AssetUrl {
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static parse(url: string, allowNonMatching: boolean = true): AssetUrl {
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const match = url.match(_ASSET_URL_RE);
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if (match !== null) {
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return new AssetUrl(match[1], match[2], match[3]);
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}
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if (allowNonMatching) {
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return null;
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}
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throw new Error(`Url ${url} is not a valid asset: url`);
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}
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constructor(public packageName: string, public firstLevelDir: string, public modulePath: string) {
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}
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}
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