'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 []; } return patterns.reduce((result, pattern) => { let process = arrayUnion; if (pattern[0] === '!') { pattern = pattern.slice(1); process = arrayDiffer; } return process(result, minimatch.match(list, pattern, options)); }, []); };