31 lines
634 B
JavaScript
31 lines
634 B
JavaScript
'use strict';
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var minimatch = require('minimatch');
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var union = require('array-union');
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var diff = require('array-differ');
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function arrayify(arr) {
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return Array.isArray(arr) ? arr : [arr];
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}
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module.exports = function (list, patterns, options) {
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list = arrayify(list);
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patterns = arrayify(patterns);
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if (list.length === 0 || patterns.length === 0) {
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return [];
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}
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options = options || {};
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return patterns.reduce(function (ret, pattern) {
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var process = union;
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if (pattern[0] === '!') {
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pattern = pattern.slice(1);
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process = diff;
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}
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return process(ret, minimatch.match(list, pattern, options));
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}, []);
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};
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