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