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add some packages
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431
node_modules/micromatch/index.js
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vendored
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431
node_modules/micromatch/index.js
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/*!
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* micromatch <https://github.com/jonschlinkert/micromatch>
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*
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* Copyright (c) 2014-2015, Jon Schlinkert.
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* Licensed under the MIT License.
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*/
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'use strict';
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var expand = require('./lib/expand');
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var utils = require('./lib/utils');
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/**
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* The main function. Pass an array of filepaths,
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* and a string or array of glob patterns
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*
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* @param {Array|String} `files`
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* @param {Array|String} `patterns`
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* @param {Object} `opts`
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* @return {Array} Array of matches
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*/
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function micromatch(files, patterns, opts) {
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if (!files || !patterns) return [];
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opts = opts || {};
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if (typeof opts.cache === 'undefined') {
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opts.cache = true;
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}
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if (!Array.isArray(patterns)) {
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return match(files, patterns, opts);
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}
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var len = patterns.length, i = 0;
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var omit = [], keep = [];
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while (len--) {
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var glob = patterns[i++];
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if (typeof glob === 'string' && glob.charCodeAt(0) === 33 /* ! */) {
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omit.push.apply(omit, match(files, glob.slice(1), opts));
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} else {
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keep.push.apply(keep, match(files, glob, opts));
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}
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}
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return utils.diff(keep, omit);
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}
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/**
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* Return an array of files that match the given glob pattern.
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*
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* This function is called by the main `micromatch` function If you only
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* need to pass a single pattern you might get very minor speed improvements
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* using this function.
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*
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* @param {Array} `files`
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* @param {String} `pattern`
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* @param {Object} `options`
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* @return {Array}
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*/
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function match(files, pattern, opts) {
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if (utils.typeOf(files) !== 'string' && !Array.isArray(files)) {
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throw new Error(msg('match', 'files', 'a string or array'));
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}
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files = utils.arrayify(files);
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opts = opts || {};
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var negate = opts.negate || false;
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var orig = pattern;
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if (typeof pattern === 'string') {
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negate = pattern.charAt(0) === '!';
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if (negate) {
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pattern = pattern.slice(1);
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}
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// we need to remove the character regardless,
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// so the above logic is still needed
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if (opts.nonegate === true) {
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negate = false;
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}
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}
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var _isMatch = matcher(pattern, opts);
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var len = files.length, i = 0;
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var res = [];
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while (i < len) {
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var file = files[i++];
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var fp = utils.unixify(file, opts);
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if (!_isMatch(fp)) { continue; }
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res.push(fp);
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}
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if (res.length === 0) {
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if (opts.failglob === true) {
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throw new Error('micromatch.match() found no matches for: "' + orig + '".');
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}
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if (opts.nonull || opts.nullglob) {
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res.push(utils.unescapeGlob(orig));
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}
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}
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// if `negate` was defined, diff negated files
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if (negate) { res = utils.diff(files, res); }
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// if `ignore` was defined, diff ignored filed
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if (opts.ignore && opts.ignore.length) {
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pattern = opts.ignore;
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opts = utils.omit(opts, ['ignore']);
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res = utils.diff(res, micromatch(res, pattern, opts));
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}
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if (opts.nodupes) {
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return utils.unique(res);
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}
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return res;
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}
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/**
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* Returns a function that takes a glob pattern or array of glob patterns
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* to be used with `Array#filter()`. (Internally this function generates
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* the matching function using the [matcher] method).
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*
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* ```js
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* var fn = mm.filter('[a-c]');
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* ['a', 'b', 'c', 'd', 'e'].filter(fn);
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* //=> ['a', 'b', 'c']
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* ```
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* @param {String|Array} `patterns` Can be a glob or array of globs.
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* @param {Options} `opts` Options to pass to the [matcher] method.
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* @return {Function} Filter function to be passed to `Array#filter()`.
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*/
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function filter(patterns, opts) {
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if (!Array.isArray(patterns) && typeof patterns !== 'string') {
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throw new TypeError(msg('filter', 'patterns', 'a string or array'));
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}
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patterns = utils.arrayify(patterns);
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var len = patterns.length, i = 0;
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var patternMatchers = Array(len);
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while (i < len) {
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patternMatchers[i] = matcher(patterns[i++], opts);
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}
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return function(fp) {
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if (fp == null) return [];
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var len = patternMatchers.length, i = 0;
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var res = true;
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fp = utils.unixify(fp, opts);
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while (i < len) {
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var fn = patternMatchers[i++];
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if (!fn(fp)) {
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res = false;
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break;
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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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/**
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* Returns true if the filepath contains the given
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* pattern. Can also return a function for matching.
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*
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* ```js
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* isMatch('foo.md', '*.md', {});
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* //=> true
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*
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* isMatch('*.md', {})('foo.md')
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* //=> true
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* ```
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* @param {String} `fp`
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* @param {String} `pattern`
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* @param {Object} `opts`
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* @return {Boolean}
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*/
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function isMatch(fp, pattern, opts) {
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if (typeof fp !== 'string') {
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throw new TypeError(msg('isMatch', 'filepath', 'a string'));
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}
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fp = utils.unixify(fp, opts);
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if (utils.typeOf(pattern) === 'object') {
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return matcher(fp, pattern);
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}
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return matcher(pattern, opts)(fp);
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}
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/**
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* Returns true if the filepath matches the
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* given pattern.
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*/
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function contains(fp, pattern, opts) {
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if (typeof fp !== 'string') {
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throw new TypeError(msg('contains', 'pattern', 'a string'));
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}
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opts = opts || {};
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opts.contains = (pattern !== '');
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fp = utils.unixify(fp, opts);
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if (opts.contains && !utils.isGlob(pattern)) {
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return fp.indexOf(pattern) !== -1;
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}
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return matcher(pattern, opts)(fp);
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}
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/**
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* Returns true if a file path matches any of the
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* given patterns.
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*
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* @param {String} `fp` The filepath to test.
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* @param {String|Array} `patterns` Glob patterns to use.
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* @param {Object} `opts` Options to pass to the `matcher()` function.
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* @return {String}
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*/
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function any(fp, patterns, opts) {
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if (!Array.isArray(patterns) && typeof patterns !== 'string') {
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throw new TypeError(msg('any', 'patterns', 'a string or array'));
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}
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patterns = utils.arrayify(patterns);
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var len = patterns.length;
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fp = utils.unixify(fp, opts);
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while (len--) {
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var isMatch = matcher(patterns[len], opts);
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if (isMatch(fp)) {
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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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* Filter the keys of an object with the given `glob` pattern
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* and `options`
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*
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* @param {Object} `object`
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* @param {Pattern} `object`
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* @return {Array}
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*/
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function matchKeys(obj, glob, options) {
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if (utils.typeOf(obj) !== 'object') {
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throw new TypeError(msg('matchKeys', 'first argument', 'an object'));
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}
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var fn = matcher(glob, options);
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var res = {};
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for (var key in obj) {
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if (obj.hasOwnProperty(key) && fn(key)) {
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res[key] = obj[key];
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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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* Return a function for matching based on the
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* given `pattern` and `options`.
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*
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* @param {String} `pattern`
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* @param {Object} `options`
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* @return {Function}
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*/
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function matcher(pattern, opts) {
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// pattern is a function
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if (typeof pattern === 'function') {
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return pattern;
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}
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// pattern is a regex
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if (pattern instanceof RegExp) {
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return function(fp) {
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return pattern.test(fp);
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};
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}
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if (typeof pattern !== 'string') {
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throw new TypeError(msg('matcher', 'pattern', 'a string, regex, or function'));
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}
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// strings, all the way down...
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pattern = utils.unixify(pattern, opts);
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// pattern is a non-glob string
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if (!utils.isGlob(pattern)) {
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return utils.matchPath(pattern, opts);
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}
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// pattern is a glob string
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var re = makeRe(pattern, opts);
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// `matchBase` is defined
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if (opts && opts.matchBase) {
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return utils.hasFilename(re, opts);
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}
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// `matchBase` is not defined
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return function(fp) {
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fp = utils.unixify(fp, opts);
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return re.test(fp);
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};
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}
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/**
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* Create and cache a regular expression for matching
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* file paths.
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*
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* If the leading character in the `glob` is `!`, a negation
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* regex is returned.
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*
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* @param {String} `glob`
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* @param {Object} `options`
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* @return {RegExp}
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*/
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function toRegex(glob, options) {
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// clone options to prevent mutating the original object
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var opts = Object.create(options || {});
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var flags = opts.flags || '';
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if (opts.nocase && flags.indexOf('i') === -1) {
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flags += 'i';
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}
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var parsed = expand(glob, opts);
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// pass in tokens to avoid parsing more than once
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opts.negated = opts.negated || parsed.negated;
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opts.negate = opts.negated;
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glob = wrapGlob(parsed.pattern, opts);
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var re;
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try {
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re = new RegExp(glob, flags);
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return re;
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} catch (err) {
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err.reason = 'micromatch invalid regex: (' + re + ')';
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if (opts.strict) throw new SyntaxError(err);
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}
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// we're only here if a bad pattern was used and the user
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// passed `options.silent`, so match nothing
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return /$^/;
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}
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/**
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* Create the regex to do the matching. If the leading
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* character in the `glob` is `!` a negation regex is returned.
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*
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* @param {String} `glob`
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* @param {Boolean} `negate`
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*/
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function wrapGlob(glob, opts) {
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var prefix = (opts && !opts.contains) ? '^' : '';
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var after = (opts && !opts.contains) ? '$' : '';
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glob = ('(?:' + glob + ')' + after);
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if (opts && opts.negate) {
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return prefix + ('(?!^' + glob + ').*$');
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}
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return prefix + glob;
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}
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/**
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* Create and cache a regular expression for matching file paths.
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* If the leading character in the `glob` is `!`, a negation
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* regex is returned.
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*
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* @param {String} `glob`
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* @param {Object} `options`
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* @return {RegExp}
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*/
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function makeRe(glob, opts) {
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if (utils.typeOf(glob) !== 'string') {
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throw new Error(msg('makeRe', 'glob', 'a string'));
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}
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return utils.cache(toRegex, glob, opts);
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}
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/**
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* Make error messages consistent. Follows this format:
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*
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* ```js
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* msg(methodName, argNumber, nativeType);
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* // example:
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* msg('matchKeys', 'first', 'an object');
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* ```
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*
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* @param {String} `method`
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* @param {String} `num`
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* @param {String} `type`
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* @return {String}
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*/
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function msg(method, what, type) {
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return 'micromatch.' + method + '(): ' + what + ' should be ' + type + '.';
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}
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/**
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* Public methods
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*/
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/* eslint no-multi-spaces: 0 */
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micromatch.any = any;
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micromatch.braces = micromatch.braceExpand = utils.braces;
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micromatch.contains = contains;
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micromatch.expand = expand;
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micromatch.filter = filter;
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micromatch.isMatch = isMatch;
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micromatch.makeRe = makeRe;
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micromatch.match = match;
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micromatch.matcher = matcher;
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micromatch.matchKeys = matchKeys;
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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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