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'use strict';
const minimatch = require('minimatch');
const arrayUnion = require('array-union');
const arrayDiffer = require('array-differ');
const arrify = require('arrify');
module.exports = (list, patterns, options = {}) => {
list = arrify(list);
patterns = arrify(patterns);
if (list.length === 0 || patterns.length === 0) {
return [];
}
let result = [];
for (const item of list) {
for (let pattern of patterns) {
let process = arrayUnion;
if (pattern[0] === '!') {
pattern = pattern.slice(1);
process = arrayDiffer;
}
result = process(result, minimatch.match([item], pattern, options));
}
}
return result;
};
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