25 lines
755 B
TypeScript
25 lines
755 B
TypeScript
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/**
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* @license
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* Copyright Google LLC 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 {IMinimatch, Minimatch} from 'minimatch';
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/** Map that holds patterns and their corresponding Minimatch globs. */
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const patternCache = new Map<string, IMinimatch>();
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/**
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* Gets a glob for the given pattern. The cached glob will be returned
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* if available. Otherwise a new glob will be created and cached.
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*/
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export function getOrCreateGlob(pattern: string) {
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if (patternCache.has(pattern)) {
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return patternCache.get(pattern)!;
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}
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const glob = new Minimatch(pattern, {dot: true});
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patternCache.set(pattern, glob);
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return glob;
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}
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