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- 'use strict';
-
- /**
- * Module dependencies
- */
-
- var util = require('util');
- 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 nm = require('nanomatch');
- * nm(list, patterns[, options]);
- *
- * console.log(nm(['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 nanomatch(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 nanomatch.match(list, patterns[0], options);
- }
-
- var negated = false;
- 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, nanomatch.match(list, pattern.slice(1), options));
- negated = true;
- } else {
- keep.push.apply(keep, nanomatch.match(list, pattern, options));
- }
- }
-
- // minimatch.match parity
- if (negated && keep.length === 0) {
- if (options && options.unixify === false) {
- keep = list.slice();
- } else {
- var unixify = utils.unixify(options);
- for (var i = 0; i < list.length; i++) {
- keep.push(unixify(list[i]));
- }
- }
- }
-
- 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 nm = require('nanomatch');
- * nm.match(list, pattern[, options]);
- *
- * console.log(nm.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
- */
-
- nanomatch.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, nanomatch.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 = nanomatch.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 nm = require('nanomatch');
- * nm.isMatch(string, pattern[, options]);
- *
- * console.log(nm.isMatch('a.a', '*.a'));
- * //=> true
- * console.log(nm.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
- */
-
- nanomatch.isMatch = function(str, pattern, options) {
- if (typeof str !== 'string') {
- throw new TypeError('expected a string: "' + util.inspect(str) + '"');
- }
-
- if (utils.isEmptyString(str) || utils.isEmptyString(pattern)) {
- return false;
- }
-
- var equals = utils.equalsPattern(options);
- if (equals(str)) {
- return true;
- }
-
- var isMatch = memoize('isMatch', pattern, options, nanomatch.matcher);
- return isMatch(str);
- };
-
- /**
- * Returns true if some of the elements in the given `list` match any of the
- * given glob `patterns`.
- *
- * ```js
- * var nm = require('nanomatch');
- * nm.some(list, patterns[, options]);
- *
- * console.log(nm.some(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
- * // true
- * console.log(nm.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
- */
-
- nanomatch.some = function(list, patterns, options) {
- if (typeof list === 'string') {
- list = [list];
- }
-
- for (var i = 0; i < list.length; i++) {
- if (nanomatch(list[i], patterns, options).length === 1) {
- return true;
- }
- }
-
- return false;
- };
-
- /**
- * Returns true if every element in the given `list` matches
- * at least one of the given glob `patterns`.
- *
- * ```js
- * var nm = require('nanomatch');
- * nm.every(list, patterns[, options]);
- *
- * console.log(nm.every('foo.js', ['foo.js']));
- * // true
- * console.log(nm.every(['foo.js', 'bar.js'], ['*.js']));
- * // true
- * console.log(nm.every(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
- * // false
- * console.log(nm.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
- */
-
- nanomatch.every = function(list, patterns, options) {
- if (typeof list === 'string') {
- list = [list];
- }
-
- for (var i = 0; i < list.length; i++) {
- if (nanomatch(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 nm = require('nanomatch');
- * nm.any(string, patterns[, options]);
- *
- * console.log(nm.any('a.a', ['b.*', '*.a']));
- * //=> true
- * console.log(nm.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
- */
-
- nanomatch.any = function(str, patterns, options) {
- if (typeof str !== 'string') {
- throw new TypeError('expected a string: "' + util.inspect(str) + '"');
- }
-
- if (utils.isEmptyString(str) || utils.isEmptyString(patterns)) {
- return false;
- }
-
- if (typeof patterns === 'string') {
- patterns = [patterns];
- }
-
- for (var i = 0; i < patterns.length; i++) {
- if (nanomatch.isMatch(str, patterns[i], options)) {
- return true;
- }
- }
- return false;
- };
-
- /**
- * Returns true if **all** of the given `patterns`
- * match the specified string.
- *
- * ```js
- * var nm = require('nanomatch');
- * nm.all(string, patterns[, options]);
- *
- * console.log(nm.all('foo.js', ['foo.js']));
- * // true
- *
- * console.log(nm.all('foo.js', ['*.js', '!foo.js']));
- * // false
- *
- * console.log(nm.all('foo.js', ['*.js', 'foo.js']));
- * // true
- *
- * console.log(nm.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
- */
-
- nanomatch.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 (!nanomatch.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 nm = require('nanomatch');
- * nm.not(list, patterns[, options]);
- *
- * console.log(nm.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
- */
-
- nanomatch.not = function(list, patterns, options) {
- var opts = extend({}, options);
- var ignore = opts.ignore;
- delete opts.ignore;
-
- list = utils.arrayify(list);
-
- var matches = utils.diff(list, nanomatch(list, patterns, opts));
- if (ignore) {
- matches = utils.diff(matches, nanomatch(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 nm = require('nanomatch');
- * nm.contains(string, pattern[, options]);
- *
- * console.log(nm.contains('aa/bb/cc', '*b'));
- * //=> true
- * console.log(nm.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
- */
-
- nanomatch.contains = function(str, patterns, options) {
- if (typeof str !== 'string') {
- throw new TypeError('expected a string: "' + util.inspect(str) + '"');
- }
-
- if (typeof patterns === 'string') {
- if (utils.isEmptyString(str) || utils.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 nanomatch.any(str, patterns, opts);
- };
-
- /**
- * Returns true if the given pattern and options should enable
- * the `matchBase` option.
- * @return {Boolean}
- * @api private
- */
-
- nanomatch.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 nm = require('nanomatch');
- * nm.matchKeys(object, patterns[, options]);
- *
- * var obj = { aa: 'a', ab: 'b', ac: 'c' };
- * console.log(nm.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
- */
-
- nanomatch.matchKeys = function(obj, patterns, options) {
- if (!utils.isObject(obj)) {
- throw new TypeError('expected the first argument to be an object');
- }
- var keys = nanomatch(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 nm = require('nanomatch');
- * nm.matcher(pattern[, options]);
- *
- * var isMatch = nm.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
- */
-
- nanomatch.matcher = function matcher(pattern, options) {
- if (utils.isEmptyString(pattern)) {
- return function() {
- return false;
- };
- }
-
- 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 = nanomatch.makeRe(pattern, options);
-
- // if `options.matchBase` or `options.basename` is defined
- if (nanomatch.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;
- };
- }
-
- // create matcher function
- var matcherFn = test(re);
- // set result object from compiler on matcher function,
- // as a non-enumerable property. useful for debugging
- utils.define(matcherFn, 'result', re.result);
- return matcherFn;
- };
-
- /**
- * Returns an array of matches captured by `pattern` in `string, or
- * `null` if the pattern did not match.
- *
- * ```js
- * var nm = require('nanomatch');
- * nm.capture(pattern, string[, options]);
- *
- * console.log(nm.capture('test/*.js', 'test/foo.js'));
- * //=> ['foo']
- * console.log(nm.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
- */
-
- nanomatch.capture = function(pattern, str, options) {
- var re = nanomatch.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 nm = require('nanomatch');
- * nm.makeRe(pattern[, options]);
- *
- * console.log(nm.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
- */
-
- nanomatch.makeRe = function(pattern, options) {
- if (pattern instanceof RegExp) {
- return pattern;
- }
-
- 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 opts = utils.extend({wrap: false}, options);
- var result = nanomatch.create(pattern, opts);
- var regex = toRegex(result.output, opts);
- utils.define(regex, 'result', result);
- return regex;
- }
-
- return memoize('makeRe', pattern, options, makeRe);
- };
-
- /**
- * Parses the given glob `pattern` and returns an object with the compiled `output`
- * and optional source `map`.
- *
- * ```js
- * var nm = require('nanomatch');
- * nm.create(pattern[, options]);
- *
- * console.log(nm.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
- */
-
- nanomatch.create = function(pattern, options) {
- if (typeof pattern !== 'string') {
- throw new TypeError('expected a string');
- }
- function create() {
- return nanomatch.compile(nanomatch.parse(pattern, options), options);
- }
- return memoize('create', pattern, options, create);
- };
-
- /**
- * Parse the given `str` with the given `options`.
- *
- * ```js
- * var nm = require('nanomatch');
- * nm.parse(pattern[, options]);
- *
- * var ast = nm.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
- */
-
- nanomatch.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 nm = require('nanomatch');
- * nm.compile(ast[, options]);
- *
- * var ast = nm.parse('a/{b,c}/d');
- * console.log(nm.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
- */
-
- nanomatch.compile = function(ast, options) {
- if (typeof ast === 'string') {
- ast = nanomatch.parse(ast, options);
- }
-
- function compile() {
- var snapdragon = utils.instantiate(ast, options);
- compilers(snapdragon, options);
- return snapdragon.compile(ast, options);
- }
-
- return memoize('compile', ast.input, options, compile);
- };
-
- /**
- * Clear the regex cache.
- *
- * ```js
- * nm.clearCache();
- * ```
- * @api public
- */
-
- nanomatch.clearCache = function() {
- nanomatch.cache.__data__ = {};
- };
-
- /**
- * 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 `nanomatch`
- */
-
- nanomatch.compilers = compilers;
- nanomatch.parsers = parsers;
- nanomatch.cache = cache;
-
- /**
- * Expose `nanomatch`
- * @type {Function}
- */
-
- module.exports = nanomatch;
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