'use strict';
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const util = require('util');
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const braces = require('braces');
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const picomatch = require('picomatch');
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const utils = require('picomatch/lib/utils');
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const isEmptyString = val => val === '' || val === './';
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/**
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* Returns an array of strings that match one or more glob patterns.
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*
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* ```js
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* const mm = require('micromatch');
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* // mm(list, patterns[, options]);
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*
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* console.log(mm(['a.js', 'a.txt'], ['*.js']));
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* //=> [ 'a.js' ]
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* ```
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* @param {String|Array<string>} `list` List of strings to match.
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* @param {String|Array<string>} `patterns` One or more glob patterns to use for matching.
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* @param {Object} `options` See available [options](#options)
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* @return {Array} Returns an array of matches
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* @summary false
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* @api public
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*/
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const micromatch = (list, patterns, options) => {
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patterns = [].concat(patterns);
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list = [].concat(list);
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let omit = new Set();
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let keep = new Set();
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let items = new Set();
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let negatives = 0;
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let onResult = state => {
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items.add(state.output);
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if (options && options.onResult) {
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options.onResult(state);
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}
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};
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for (let i = 0; i < patterns.length; i++) {
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let isMatch = picomatch(String(patterns[i]), { ...options, onResult }, true);
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let negated = isMatch.state.negated || isMatch.state.negatedExtglob;
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if (negated) negatives++;
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for (let item of list) {
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let matched = isMatch(item, true);
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let match = negated ? !matched.isMatch : matched.isMatch;
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if (!match) continue;
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if (negated) {
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omit.add(matched.output);
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} else {
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omit.delete(matched.output);
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keep.add(matched.output);
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}
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}
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}
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let result = negatives === patterns.length ? [...items] : [...keep];
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let matches = result.filter(item => !omit.has(item));
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if (options && matches.length === 0) {
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if (options.failglob === true) {
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throw new Error(`No matches found for "${patterns.join(', ')}"`);
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}
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if (options.nonull === true || options.nullglob === true) {
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return options.unescape ? patterns.map(p => p.replace(/\\/g, '')) : patterns;
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}
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}
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return matches;
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};
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/**
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* Backwards compatibility
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*/
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micromatch.match = micromatch;
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/**
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* Returns a matcher function from the given glob `pattern` and `options`.
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* The returned function takes a string to match as its only argument and returns
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* true if the string is a match.
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*
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* ```js
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* const mm = require('micromatch');
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* // mm.matcher(pattern[, options]);
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*
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* const isMatch = mm.matcher('*.!(*a)');
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* console.log(isMatch('a.a')); //=> false
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* console.log(isMatch('a.b')); //=> true
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* ```
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* @param {String} `pattern` Glob pattern
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* @param {Object} `options`
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* @return {Function} Returns a matcher function.
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* @api public
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*/
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micromatch.matcher = (pattern, options) => picomatch(pattern, options);
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/**
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* Returns true if **any** of the given glob `patterns` match the specified `string`.
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*
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* ```js
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* const mm = require('micromatch');
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* // mm.isMatch(string, patterns[, options]);
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*
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* console.log(mm.isMatch('a.a', ['b.*', '*.a'])); //=> true
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* console.log(mm.isMatch('a.a', 'b.*')); //=> false
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* ```
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* @param {String} `str` The string to test.
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* @param {String|Array} `patterns` One or more glob patterns to use for matching.
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* @param {Object} `[options]` See available [options](#options).
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* @return {Boolean} Returns true if any patterns match `str`
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* @api public
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*/
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micromatch.isMatch = (str, patterns, options) => picomatch(patterns, options)(str);
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/**
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* Backwards compatibility
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*/
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micromatch.any = micromatch.isMatch;
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/**
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* Returns a list of strings that _**do not match any**_ of the given `patterns`.
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*
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* ```js
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* const mm = require('micromatch');
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* // mm.not(list, patterns[, options]);
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*
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* console.log(mm.not(['a.a', 'b.b', 'c.c'], '*.a'));
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* //=> ['b.b', 'c.c']
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* ```
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* @param {Array} `list` Array of strings to match.
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* @param {String|Array} `patterns` One or more glob pattern to use for matching.
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* @param {Object} `options` See available [options](#options) for changing how matches are performed
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* @return {Array} Returns an array of strings that **do not match** the given patterns.
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* @api public
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*/
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micromatch.not = (list, patterns, options = {}) => {
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patterns = [].concat(patterns).map(String);
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let result = new Set();
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let items = [];
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let onResult = state => {
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if (options.onResult) options.onResult(state);
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items.push(state.output);
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};
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let matches = new Set(micromatch(list, patterns, { ...options, onResult }));
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for (let item of items) {
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if (!matches.has(item)) {
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result.add(item);
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}
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}
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return [...result];
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};
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/**
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* Returns true if the given `string` contains the given pattern. Similar
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* to [.isMatch](#isMatch) but the pattern can match any part of the string.
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*
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* ```js
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* var mm = require('micromatch');
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* // mm.contains(string, pattern[, options]);
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*
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* console.log(mm.contains('aa/bb/cc', '*b'));
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* //=> true
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* console.log(mm.contains('aa/bb/cc', '*d'));
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* //=> false
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* ```
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* @param {String} `str` The string to match.
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* @param {String|Array} `patterns` Glob pattern to use for matching.
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* @param {Object} `options` See available [options](#options) for changing how matches are performed
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* @return {Boolean} Returns true if any of the patterns matches any part of `str`.
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* @api public
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*/
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micromatch.contains = (str, pattern, options) => {
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if (typeof str !== 'string') {
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throw new TypeError(`Expected a string: "${util.inspect(str)}"`);
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}
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if (Array.isArray(pattern)) {
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return pattern.some(p => micromatch.contains(str, p, options));
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}
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if (typeof pattern === 'string') {
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if (isEmptyString(str) || isEmptyString(pattern)) {
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return false;
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}
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if (str.includes(pattern) || (str.startsWith('./') && str.slice(2).includes(pattern))) {
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return true;
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}
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}
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return micromatch.isMatch(str, pattern, { ...options, contains: true });
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};
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/**
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* Filter the keys of the given object with the given `glob` pattern
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* and `options`. Does not attempt to match nested keys. If you need this feature,
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* use [glob-object][] instead.
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*
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* ```js
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* const mm = require('micromatch');
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* // mm.matchKeys(object, patterns[, options]);
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*
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* const obj = { aa: 'a', ab: 'b', ac: 'c' };
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* console.log(mm.matchKeys(obj, '*b'));
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* //=> { ab: 'b' }
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* ```
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* @param {Object} `object` The object with keys to filter.
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* @param {String|Array} `patterns` One or more glob patterns to use for matching.
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* @param {Object} `options` See available [options](#options) for changing how matches are performed
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* @return {Object} Returns an object with only keys that match the given patterns.
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* @api public
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*/
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micromatch.matchKeys = (obj, patterns, options) => {
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if (!utils.isObject(obj)) {
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throw new TypeError('Expected the first argument to be an object');
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}
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let keys = micromatch(Object.keys(obj), patterns, options);
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let res = {};
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for (let key of keys) res[key] = obj[key];
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return res;
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};
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/**
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* Returns true if some of the strings in the given `list` match any of the given glob `patterns`.
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*
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* ```js
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* const mm = require('micromatch');
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* // mm.some(list, patterns[, options]);
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*
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* console.log(mm.some(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
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* // true
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* console.log(mm.some(['foo.js'], ['*.js', '!foo.js']));
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* // false
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* ```
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* @param {String|Array} `list` The string or array of strings to test. Returns as soon as the first match is found.
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* @param {String|Array} `patterns` One or more glob patterns to use for matching.
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* @param {Object} `options` See available [options](#options) for changing how matches are performed
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* @return {Boolean} Returns true if any `patterns` matches any of the strings in `list`
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* @api public
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*/
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micromatch.some = (list, patterns, options) => {
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let items = [].concat(list);
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for (let pattern of [].concat(patterns)) {
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let isMatch = picomatch(String(pattern), options);
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if (items.some(item => isMatch(item))) {
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return true;
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}
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}
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return false;
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};
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/**
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* Returns true if every string in the given `list` matches
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* any of the given glob `patterns`.
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*
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* ```js
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* const mm = require('micromatch');
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* // mm.every(list, patterns[, options]);
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*
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* console.log(mm.every('foo.js', ['foo.js']));
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* // true
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* console.log(mm.every(['foo.js', 'bar.js'], ['*.js']));
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* // true
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* console.log(mm.every(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
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* // false
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* console.log(mm.every(['foo.js'], ['*.js', '!foo.js']));
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* // false
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* ```
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* @param {String|Array} `list` The string or array of strings to test.
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* @param {String|Array} `patterns` One or more glob patterns to use for matching.
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* @param {Object} `options` See available [options](#options) for changing how matches are performed
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* @return {Boolean} Returns true if all `patterns` matches all of the strings in `list`
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* @api public
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*/
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micromatch.every = (list, patterns, options) => {
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let items = [].concat(list);
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for (let pattern of [].concat(patterns)) {
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let isMatch = picomatch(String(pattern), options);
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if (!items.every(item => isMatch(item))) {
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return false;
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}
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}
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return true;
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};
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/**
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* Returns true if **all** of the given `patterns` match
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* the specified string.
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*
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* ```js
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* const mm = require('micromatch');
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* // mm.all(string, patterns[, options]);
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*
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* console.log(mm.all('foo.js', ['foo.js']));
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* // true
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*
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* console.log(mm.all('foo.js', ['*.js', '!foo.js']));
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* // false
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*
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* console.log(mm.all('foo.js', ['*.js', 'foo.js']));
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* // true
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*
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* console.log(mm.all('foo.js', ['*.js', 'f*', '*o*', '*o.js']));
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* // true
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* ```
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* @param {String|Array} `str` The string to test.
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* @param {String|Array} `patterns` One or more glob patterns to use for matching.
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* @param {Object} `options` See available [options](#options) for changing how matches are performed
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* @return {Boolean} Returns true if any patterns match `str`
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* @api public
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*/
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micromatch.all = (str, patterns, options) => {
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if (typeof str !== 'string') {
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throw new TypeError(`Expected a string: "${util.inspect(str)}"`);
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}
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return [].concat(patterns).every(p => picomatch(p, options)(str));
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};
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/**
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* Returns an array of matches captured by `pattern` in `string, or `null` if the pattern did not match.
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*
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* ```js
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* const mm = require('micromatch');
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* // mm.capture(pattern, string[, options]);
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*
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* console.log(mm.capture('test/*.js', 'test/foo.js'));
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* //=> ['foo']
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* console.log(mm.capture('test/*.js', 'foo/bar.css'));
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* //=> null
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* ```
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* @param {String} `glob` Glob pattern to use for matching.
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* @param {String} `input` String to match
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* @param {Object} `options` See available [options](#options) for changing how matches are performed
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* @return {Array|null} Returns an array of captures if the input matches the glob pattern, otherwise `null`.
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* @api public
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*/
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micromatch.capture = (glob, input, options) => {
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let posix = utils.isWindows(options);
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let regex = picomatch.makeRe(String(glob), { ...options, capture: true });
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let match = regex.exec(posix ? utils.toPosixSlashes(input) : input);
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if (match) {
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return match.slice(1).map(v => v === void 0 ? '' : v);
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}
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};
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/**
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* Create a regular expression from the given glob `pattern`.
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*
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* ```js
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* const mm = require('micromatch');
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* // mm.makeRe(pattern[, options]);
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*
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* console.log(mm.makeRe('*.js'));
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* //=> /^(?:(\.[\\\/])?(?!\.)(?=.)[^\/]*?\.js)$/
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* ```
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* @param {String} `pattern` A glob pattern to convert to regex.
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* @param {Object} `options`
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* @return {RegExp} Returns a regex created from the given pattern.
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* @api public
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*/
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micromatch.makeRe = (...args) => picomatch.makeRe(...args);
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/**
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* Scan a glob pattern to separate the pattern into segments. Used
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* by the [split](#split) method.
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*
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* ```js
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* const mm = require('micromatch');
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* const state = mm.scan(pattern[, options]);
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* ```
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* @param {String} `pattern`
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* @param {Object} `options`
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* @return {Object} Returns an object with
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* @api public
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*/
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micromatch.scan = (...args) => picomatch.scan(...args);
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/**
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* Parse a glob pattern to create the source string for a regular
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* expression.
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*
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* ```js
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* const mm = require('micromatch');
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* const state = mm.parse(pattern[, options]);
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* ```
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* @param {String} `glob`
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* @param {Object} `options`
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* @return {Object} Returns an object with useful properties and output to be used as regex source string.
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* @api public
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*/
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micromatch.parse = (patterns, options) => {
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let res = [];
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for (let pattern of [].concat(patterns || [])) {
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for (let str of braces(String(pattern), options)) {
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res.push(picomatch.parse(str, options));
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}
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}
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return res;
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};
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/**
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* Process the given brace `pattern`.
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*
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* ```js
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* const { braces } = require('micromatch');
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* console.log(braces('foo/{a,b,c}/bar'));
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* //=> [ 'foo/(a|b|c)/bar' ]
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*
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* console.log(braces('foo/{a,b,c}/bar', { expand: true }));
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* //=> [ 'foo/a/bar', 'foo/b/bar', 'foo/c/bar' ]
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* ```
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* @param {String} `pattern` String with brace pattern to process.
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* @param {Object} `options` Any [options](#options) to change how expansion is performed. See the [braces][] library for all available options.
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* @return {Array}
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* @api public
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*/
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micromatch.braces = (pattern, options) => {
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if (typeof pattern !== 'string') throw new TypeError('Expected a string');
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if ((options && options.nobrace === true) || !/\{.*\}/.test(pattern)) {
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return [pattern];
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}
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return braces(pattern, options);
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};
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/**
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* Expand braces
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*/
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micromatch.braceExpand = (pattern, options) => {
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if (typeof pattern !== 'string') throw new TypeError('Expected a string');
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return micromatch.braces(pattern, { ...options, expand: true });
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};
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/**
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* Expose micromatch
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*/
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module.exports = micromatch;
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