--- /dev/null
+'use strict';
+
+/**
+ * Module dependencies
+ */
+
+var util = require('util');
+var braces = require('braces');
+var toRegex = require('to-regex');
+var extend = require('extend-shallow');
+
+/**
+ * Local dependencies
+ */
+
+var compilers = require('./lib/compilers');
+var parsers = require('./lib/parsers');
+var cache = require('./lib/cache');
+var utils = require('./lib/utils');
+var MAX_LENGTH = 1024 * 64;
+
+/**
+ * The main function takes a list of strings and one or more
+ * glob patterns to use for matching.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm(list, patterns[, options]);
+ *
+ * console.log(mm(['a.js', 'a.txt'], ['*.js']));
+ * //=> [ 'a.js' ]
+ * ```
+ * @param {Array} `list` A list of strings to match
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Array} Returns an array of matches
+ * @summary false
+ * @api public
+ */
+
+function micromatch(list, patterns, options) {
+ patterns = utils.arrayify(patterns);
+ list = utils.arrayify(list);
+
+ var len = patterns.length;
+ if (list.length === 0 || len === 0) {
+ return [];
+ }
+
+ if (len === 1) {
+ return micromatch.match(list, patterns[0], options);
+ }
+
+ var omit = [];
+ var keep = [];
+ var idx = -1;
+
+ while (++idx < len) {
+ var pattern = patterns[idx];
+
+ if (typeof pattern === 'string' && pattern.charCodeAt(0) === 33 /* ! */) {
+ omit.push.apply(omit, micromatch.match(list, pattern.slice(1), options));
+ } else {
+ keep.push.apply(keep, micromatch.match(list, pattern, options));
+ }
+ }
+
+ var matches = utils.diff(keep, omit);
+ if (!options || options.nodupes !== false) {
+ return utils.unique(matches);
+ }
+
+ return matches;
+}
+
+/**
+ * Similar to the main function, but `pattern` must be a string.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.match(list, pattern[, options]);
+ *
+ * console.log(mm.match(['a.a', 'a.aa', 'a.b', 'a.c'], '*.a'));
+ * //=> ['a.a', 'a.aa']
+ * ```
+ * @param {Array} `list` Array of strings to match
+ * @param {String} `pattern` Glob pattern to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Array} Returns an array of matches
+ * @api public
+ */
+
+micromatch.match = function(list, pattern, options) {
+ if (Array.isArray(pattern)) {
+ throw new TypeError('expected pattern to be a string');
+ }
+
+ var unixify = utils.unixify(options);
+ var isMatch = memoize('match', pattern, options, micromatch.matcher);
+ var matches = [];
+
+ list = utils.arrayify(list);
+ var len = list.length;
+ var idx = -1;
+
+ while (++idx < len) {
+ var ele = list[idx];
+ if (ele === pattern || isMatch(ele)) {
+ matches.push(utils.value(ele, unixify, options));
+ }
+ }
+
+ // if no options were passed, uniquify results and return
+ if (typeof options === 'undefined') {
+ return utils.unique(matches);
+ }
+
+ if (matches.length === 0) {
+ if (options.failglob === true) {
+ throw new Error('no matches found for "' + pattern + '"');
+ }
+ if (options.nonull === true || options.nullglob === true) {
+ return [options.unescape ? utils.unescape(pattern) : pattern];
+ }
+ }
+
+ // if `opts.ignore` was defined, diff ignored list
+ if (options.ignore) {
+ matches = micromatch.not(matches, options.ignore, options);
+ }
+
+ return options.nodupes !== false ? utils.unique(matches) : matches;
+};
+
+/**
+ * Returns true if the specified `string` matches the given glob `pattern`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.isMatch(string, pattern[, options]);
+ *
+ * console.log(mm.isMatch('a.a', '*.a'));
+ * //=> true
+ * console.log(mm.isMatch('a.b', '*.a'));
+ * //=> false
+ * ```
+ * @param {String} `string` String to match
+ * @param {String} `pattern` Glob pattern to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if the string matches the glob pattern.
+ * @api public
+ */
+
+micromatch.isMatch = function(str, pattern, options) {
+ if (typeof str !== 'string') {
+ throw new TypeError('expected a string: "' + util.inspect(str) + '"');
+ }
+
+ if (isEmptyString(str) || isEmptyString(pattern)) {
+ return false;
+ }
+
+ var equals = utils.equalsPattern(options);
+ if (equals(str)) {
+ return true;
+ }
+
+ var isMatch = memoize('isMatch', pattern, options, micromatch.matcher);
+ return isMatch(str);
+};
+
+/**
+ * Returns true if some of the strings in the given `list` match any of the
+ * given glob `patterns`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.some(list, patterns[, options]);
+ *
+ * console.log(mm.some(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
+ * // true
+ * console.log(mm.some(['foo.js'], ['*.js', '!foo.js']));
+ * // false
+ * ```
+ * @param {String|Array} `list` The string or array of strings to test. Returns as soon as the first match is found.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+micromatch.some = function(list, patterns, options) {
+ if (typeof list === 'string') {
+ list = [list];
+ }
+ for (var i = 0; i < list.length; i++) {
+ if (micromatch(list[i], patterns, options).length === 1) {
+ return true;
+ }
+ }
+ return false;
+};
+
+/**
+ * Returns true if every string in the given `list` matches
+ * any of the given glob `patterns`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.every(list, patterns[, options]);
+ *
+ * console.log(mm.every('foo.js', ['foo.js']));
+ * // true
+ * console.log(mm.every(['foo.js', 'bar.js'], ['*.js']));
+ * // true
+ * console.log(mm.every(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
+ * // false
+ * console.log(mm.every(['foo.js'], ['*.js', '!foo.js']));
+ * // false
+ * ```
+ * @param {String|Array} `list` The string or array of strings to test.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+micromatch.every = function(list, patterns, options) {
+ if (typeof list === 'string') {
+ list = [list];
+ }
+ for (var i = 0; i < list.length; i++) {
+ if (micromatch(list[i], patterns, options).length !== 1) {
+ return false;
+ }
+ }
+ return true;
+};
+
+/**
+ * Returns true if **any** of the given glob `patterns`
+ * match the specified `string`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.any(string, patterns[, options]);
+ *
+ * console.log(mm.any('a.a', ['b.*', '*.a']));
+ * //=> true
+ * console.log(mm.any('a.a', 'b.*'));
+ * //=> false
+ * ```
+ * @param {String|Array} `str` The string to test.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+micromatch.any = function(str, patterns, options) {
+ if (typeof str !== 'string') {
+ throw new TypeError('expected a string: "' + util.inspect(str) + '"');
+ }
+
+ if (isEmptyString(str) || isEmptyString(patterns)) {
+ return false;
+ }
+
+ if (typeof patterns === 'string') {
+ patterns = [patterns];
+ }
+
+ for (var i = 0; i < patterns.length; i++) {
+ if (micromatch.isMatch(str, patterns[i], options)) {
+ return true;
+ }
+ }
+ return false;
+};
+
+/**
+ * Returns true if **all** of the given `patterns` match
+ * the specified string.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.all(string, patterns[, options]);
+ *
+ * console.log(mm.all('foo.js', ['foo.js']));
+ * // true
+ *
+ * console.log(mm.all('foo.js', ['*.js', '!foo.js']));
+ * // false
+ *
+ * console.log(mm.all('foo.js', ['*.js', 'foo.js']));
+ * // true
+ *
+ * console.log(mm.all('foo.js', ['*.js', 'f*', '*o*', '*o.js']));
+ * // true
+ * ```
+ * @param {String|Array} `str` The string to test.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if any patterns match `str`
+ * @api public
+ */
+
+micromatch.all = function(str, patterns, options) {
+ if (typeof str !== 'string') {
+ throw new TypeError('expected a string: "' + util.inspect(str) + '"');
+ }
+ if (typeof patterns === 'string') {
+ patterns = [patterns];
+ }
+ for (var i = 0; i < patterns.length; i++) {
+ if (!micromatch.isMatch(str, patterns[i], options)) {
+ return false;
+ }
+ }
+ return true;
+};
+
+/**
+ * Returns a list of strings that _**do not match any**_ of the given `patterns`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.not(list, patterns[, options]);
+ *
+ * console.log(mm.not(['a.a', 'b.b', 'c.c'], '*.a'));
+ * //=> ['b.b', 'c.c']
+ * ```
+ * @param {Array} `list` Array of strings to match.
+ * @param {String|Array} `patterns` One or more glob pattern to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Array} Returns an array of strings that **do not match** the given patterns.
+ * @api public
+ */
+
+micromatch.not = function(list, patterns, options) {
+ var opts = extend({}, options);
+ var ignore = opts.ignore;
+ delete opts.ignore;
+
+ var unixify = utils.unixify(opts);
+ list = utils.arrayify(list).map(unixify);
+
+ var matches = utils.diff(list, micromatch(list, patterns, opts));
+ if (ignore) {
+ matches = utils.diff(matches, micromatch(list, ignore));
+ }
+
+ return opts.nodupes !== false ? utils.unique(matches) : matches;
+};
+
+/**
+ * Returns true if the given `string` contains the given pattern. Similar
+ * to [.isMatch](#isMatch) but the pattern can match any part of the string.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.contains(string, pattern[, options]);
+ *
+ * console.log(mm.contains('aa/bb/cc', '*b'));
+ * //=> true
+ * console.log(mm.contains('aa/bb/cc', '*d'));
+ * //=> false
+ * ```
+ * @param {String} `str` The string to match.
+ * @param {String|Array} `patterns` Glob pattern to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns true if the patter matches any part of `str`.
+ * @api public
+ */
+
+micromatch.contains = function(str, patterns, options) {
+ if (typeof str !== 'string') {
+ throw new TypeError('expected a string: "' + util.inspect(str) + '"');
+ }
+
+ if (typeof patterns === 'string') {
+ if (isEmptyString(str) || isEmptyString(patterns)) {
+ return false;
+ }
+
+ var equals = utils.equalsPattern(patterns, options);
+ if (equals(str)) {
+ return true;
+ }
+ var contains = utils.containsPattern(patterns, options);
+ if (contains(str)) {
+ return true;
+ }
+ }
+
+ var opts = extend({}, options, {contains: true});
+ return micromatch.any(str, patterns, opts);
+};
+
+/**
+ * Returns true if the given pattern and options should enable
+ * the `matchBase` option.
+ * @return {Boolean}
+ * @api private
+ */
+
+micromatch.matchBase = function(pattern, options) {
+ if (pattern && pattern.indexOf('/') !== -1 || !options) return false;
+ return options.basename === true || options.matchBase === true;
+};
+
+/**
+ * Filter the keys of the given object with the given `glob` pattern
+ * and `options`. Does not attempt to match nested keys. If you need this feature,
+ * use [glob-object][] instead.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.matchKeys(object, patterns[, options]);
+ *
+ * var obj = { aa: 'a', ab: 'b', ac: 'c' };
+ * console.log(mm.matchKeys(obj, '*b'));
+ * //=> { ab: 'b' }
+ * ```
+ * @param {Object} `object` The object with keys to filter.
+ * @param {String|Array} `patterns` One or more glob patterns to use for matching.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Object} Returns an object with only keys that match the given patterns.
+ * @api public
+ */
+
+micromatch.matchKeys = function(obj, patterns, options) {
+ if (!utils.isObject(obj)) {
+ throw new TypeError('expected the first argument to be an object');
+ }
+ var keys = micromatch(Object.keys(obj), patterns, options);
+ return utils.pick(obj, keys);
+};
+
+/**
+ * Returns a memoized matcher function from the given glob `pattern` and `options`.
+ * The returned function takes a string to match as its only argument and returns
+ * true if the string is a match.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.matcher(pattern[, options]);
+ *
+ * var isMatch = mm.matcher('*.!(*a)');
+ * console.log(isMatch('a.a'));
+ * //=> false
+ * console.log(isMatch('a.b'));
+ * //=> true
+ * ```
+ * @param {String} `pattern` Glob pattern
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed.
+ * @return {Function} Returns a matcher function.
+ * @api public
+ */
+
+micromatch.matcher = function matcher(pattern, options) {
+ if (Array.isArray(pattern)) {
+ return compose(pattern, options, matcher);
+ }
+
+ // if pattern is a regex
+ if (pattern instanceof RegExp) {
+ return test(pattern);
+ }
+
+ // if pattern is invalid
+ if (!utils.isString(pattern)) {
+ throw new TypeError('expected pattern to be an array, string or regex');
+ }
+
+ // if pattern is a non-glob string
+ if (!utils.hasSpecialChars(pattern)) {
+ if (options && options.nocase === true) {
+ pattern = pattern.toLowerCase();
+ }
+ return utils.matchPath(pattern, options);
+ }
+
+ // if pattern is a glob string
+ var re = micromatch.makeRe(pattern, options);
+
+ // if `options.matchBase` or `options.basename` is defined
+ if (micromatch.matchBase(pattern, options)) {
+ return utils.matchBasename(re, options);
+ }
+
+ function test(regex) {
+ var equals = utils.equalsPattern(options);
+ var unixify = utils.unixify(options);
+
+ return function(str) {
+ if (equals(str)) {
+ return true;
+ }
+
+ if (regex.test(unixify(str))) {
+ return true;
+ }
+ return false;
+ };
+ }
+
+ var fn = test(re);
+ Object.defineProperty(fn, 'result', {
+ configurable: true,
+ enumerable: false,
+ value: re.result
+ });
+ return fn;
+};
+
+/**
+ * Returns an array of matches captured by `pattern` in `string, or `null` if the pattern did not match.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.capture(pattern, string[, options]);
+ *
+ * console.log(mm.capture('test/*.js', 'test/foo.js'));
+ * //=> ['foo']
+ * console.log(mm.capture('test/*.js', 'foo/bar.css'));
+ * //=> null
+ * ```
+ * @param {String} `pattern` Glob pattern to use for matching.
+ * @param {String} `string` String to match
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed
+ * @return {Boolean} Returns an array of captures if the string matches the glob pattern, otherwise `null`.
+ * @api public
+ */
+
+micromatch.capture = function(pattern, str, options) {
+ var re = micromatch.makeRe(pattern, extend({capture: true}, options));
+ var unixify = utils.unixify(options);
+
+ function match() {
+ return function(string) {
+ var match = re.exec(unixify(string));
+ if (!match) {
+ return null;
+ }
+
+ return match.slice(1);
+ };
+ }
+
+ var capture = memoize('capture', pattern, options, match);
+ return capture(str);
+};
+
+/**
+ * Create a regular expression from the given glob `pattern`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.makeRe(pattern[, options]);
+ *
+ * console.log(mm.makeRe('*.js'));
+ * //=> /^(?:(\.[\\\/])?(?!\.)(?=.)[^\/]*?\.js)$/
+ * ```
+ * @param {String} `pattern` A glob pattern to convert to regex.
+ * @param {Object} `options` See available [options](#options) for changing how matches are performed.
+ * @return {RegExp} Returns a regex created from the given pattern.
+ * @api public
+ */
+
+micromatch.makeRe = function(pattern, options) {
+ if (typeof pattern !== 'string') {
+ throw new TypeError('expected pattern to be a string');
+ }
+
+ if (pattern.length > MAX_LENGTH) {
+ throw new Error('expected pattern to be less than ' + MAX_LENGTH + ' characters');
+ }
+
+ function makeRe() {
+ var result = micromatch.create(pattern, options);
+ var ast_array = [];
+ var output = result.map(function(obj) {
+ obj.ast.state = obj.state;
+ ast_array.push(obj.ast);
+ return obj.output;
+ });
+
+ var regex = toRegex(output.join('|'), options);
+ Object.defineProperty(regex, 'result', {
+ configurable: true,
+ enumerable: false,
+ value: ast_array
+ });
+ return regex;
+ }
+
+ return memoize('makeRe', pattern, options, makeRe);
+};
+
+/**
+ * Expand the given brace `pattern`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * console.log(mm.braces('foo/{a,b}/bar'));
+ * //=> ['foo/(a|b)/bar']
+ *
+ * console.log(mm.braces('foo/{a,b}/bar', {expand: true}));
+ * //=> ['foo/(a|b)/bar']
+ * ```
+ * @param {String} `pattern` String with brace pattern to expand.
+ * @param {Object} `options` Any [options](#options) to change how expansion is performed. See the [braces][] library for all available options.
+ * @return {Array}
+ * @api public
+ */
+
+micromatch.braces = function(pattern, options) {
+ if (typeof pattern !== 'string' && !Array.isArray(pattern)) {
+ throw new TypeError('expected pattern to be an array or string');
+ }
+
+ function expand() {
+ if (options && options.nobrace === true || !/\{.*\}/.test(pattern)) {
+ return utils.arrayify(pattern);
+ }
+ return braces(pattern, options);
+ }
+
+ return memoize('braces', pattern, options, expand);
+};
+
+/**
+ * Proxy to the [micromatch.braces](#method), for parity with
+ * minimatch.
+ */
+
+micromatch.braceExpand = function(pattern, options) {
+ var opts = extend({}, options, {expand: true});
+ return micromatch.braces(pattern, opts);
+};
+
+/**
+ * Parses the given glob `pattern` and returns an array of abstract syntax
+ * trees (ASTs), with the compiled `output` and optional source `map` on
+ * each AST.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.create(pattern[, options]);
+ *
+ * console.log(mm.create('abc/*.js'));
+ * // [{ options: { source: 'string', sourcemap: true },
+ * // state: {},
+ * // compilers:
+ * // { ... },
+ * // output: '(\\.[\\\\\\/])?abc\\/(?!\\.)(?=.)[^\\/]*?\\.js',
+ * // ast:
+ * // { type: 'root',
+ * // errors: [],
+ * // nodes:
+ * // [ ... ],
+ * // dot: false,
+ * // input: 'abc/*.js' },
+ * // parsingErrors: [],
+ * // map:
+ * // { version: 3,
+ * // sources: [ 'string' ],
+ * // names: [],
+ * // mappings: 'AAAA,GAAG,EAAC,kBAAC,EAAC,EAAE',
+ * // sourcesContent: [ 'abc/*.js' ] },
+ * // position: { line: 1, column: 28 },
+ * // content: {},
+ * // files: {},
+ * // idx: 6 }]
+ * ```
+ * @param {String} `pattern` Glob pattern to parse and compile.
+ * @param {Object} `options` Any [options](#options) to change how parsing and compiling is performed.
+ * @return {Object} Returns an object with the parsed AST, compiled string and optional source map.
+ * @api public
+ */
+
+micromatch.create = function(pattern, options) {
+ return memoize('create', pattern, options, function() {
+ function create(str, opts) {
+ return micromatch.compile(micromatch.parse(str, opts), opts);
+ }
+
+ pattern = micromatch.braces(pattern, options);
+ var len = pattern.length;
+ var idx = -1;
+ var res = [];
+
+ while (++idx < len) {
+ res.push(create(pattern[idx], options));
+ }
+ return res;
+ });
+};
+
+/**
+ * Parse the given `str` with the given `options`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.parse(pattern[, options]);
+ *
+ * var ast = mm.parse('a/{b,c}/d');
+ * console.log(ast);
+ * // { type: 'root',
+ * // errors: [],
+ * // input: 'a/{b,c}/d',
+ * // nodes:
+ * // [ { type: 'bos', val: '' },
+ * // { type: 'text', val: 'a/' },
+ * // { type: 'brace',
+ * // nodes:
+ * // [ { type: 'brace.open', val: '{' },
+ * // { type: 'text', val: 'b,c' },
+ * // { type: 'brace.close', val: '}' } ] },
+ * // { type: 'text', val: '/d' },
+ * // { type: 'eos', val: '' } ] }
+ * ```
+ * @param {String} `str`
+ * @param {Object} `options`
+ * @return {Object} Returns an AST
+ * @api public
+ */
+
+micromatch.parse = function(pattern, options) {
+ if (typeof pattern !== 'string') {
+ throw new TypeError('expected a string');
+ }
+
+ function parse() {
+ var snapdragon = utils.instantiate(null, options);
+ parsers(snapdragon, options);
+
+ var ast = snapdragon.parse(pattern, options);
+ utils.define(ast, 'snapdragon', snapdragon);
+ ast.input = pattern;
+ return ast;
+ }
+
+ return memoize('parse', pattern, options, parse);
+};
+
+/**
+ * Compile the given `ast` or string with the given `options`.
+ *
+ * ```js
+ * var mm = require('micromatch');
+ * mm.compile(ast[, options]);
+ *
+ * var ast = mm.parse('a/{b,c}/d');
+ * console.log(mm.compile(ast));
+ * // { options: { source: 'string' },
+ * // state: {},
+ * // compilers:
+ * // { eos: [Function],
+ * // noop: [Function],
+ * // bos: [Function],
+ * // brace: [Function],
+ * // 'brace.open': [Function],
+ * // text: [Function],
+ * // 'brace.close': [Function] },
+ * // output: [ 'a/(b|c)/d' ],
+ * // ast:
+ * // { ... },
+ * // parsingErrors: [] }
+ * ```
+ * @param {Object|String} `ast`
+ * @param {Object} `options`
+ * @return {Object} Returns an object that has an `output` property with the compiled string.
+ * @api public
+ */
+
+micromatch.compile = function(ast, options) {
+ if (typeof ast === 'string') {
+ ast = micromatch.parse(ast, options);
+ }
+
+ return memoize('compile', ast.input, options, function() {
+ var snapdragon = utils.instantiate(ast, options);
+ compilers(snapdragon, options);
+ return snapdragon.compile(ast, options);
+ });
+};
+
+/**
+ * Clear the regex cache.
+ *
+ * ```js
+ * mm.clearCache();
+ * ```
+ * @api public
+ */
+
+micromatch.clearCache = function() {
+ micromatch.cache.caches = {};
+};
+
+/**
+ * Returns true if the given value is effectively an empty string
+ */
+
+function isEmptyString(val) {
+ return String(val) === '' || String(val) === './';
+}
+
+/**
+ * Compose a matcher function with the given patterns.
+ * This allows matcher functions to be compiled once and
+ * called multiple times.
+ */
+
+function compose(patterns, options, matcher) {
+ var matchers;
+
+ return memoize('compose', String(patterns), options, function() {
+ return function(file) {
+ // delay composition until it's invoked the first time,
+ // after that it won't be called again
+ if (!matchers) {
+ matchers = [];
+ for (var i = 0; i < patterns.length; i++) {
+ matchers.push(matcher(patterns[i], options));
+ }
+ }
+
+ var len = matchers.length;
+ while (len--) {
+ if (matchers[len](file) === true) {
+ return true;
+ }
+ }
+ return false;
+ };
+ });
+}
+
+/**
+ * Memoize a generated regex or function. A unique key is generated
+ * from the `type` (usually method name), the `pattern`, and
+ * user-defined options.
+ */
+
+function memoize(type, pattern, options, fn) {
+ var key = utils.createKey(type + '=' + pattern, options);
+
+ if (options && options.cache === false) {
+ return fn(pattern, options);
+ }
+
+ if (cache.has(type, key)) {
+ return cache.get(type, key);
+ }
+
+ var val = fn(pattern, options);
+ cache.set(type, key, val);
+ return val;
+}
+
+/**
+ * Expose compiler, parser and cache on `micromatch`
+ */
+
+micromatch.compilers = compilers;
+micromatch.parsers = parsers;
+micromatch.caches = cache.caches;
+
+/**
+ * Expose `micromatch`
+ * @type {Function}
+ */
+
+module.exports = micromatch;
projects / dotfiles / .git / blobdiff