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node_modules/extglob/index.js

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+'use strict';
+
+/**
+ * Module dependencies
+ */
+
+var extend = require('extend-shallow');
+var unique = require('array-unique');
+var toRegex = require('to-regex');
+
+/**
+ * Local dependencies
+ */
+
+var compilers = require('./lib/compilers');
+var parsers = require('./lib/parsers');
+var Extglob = require('./lib/extglob');
+var utils = require('./lib/utils');
+var MAX_LENGTH = 1024 * 64;
+
+/**
+ * Convert the given `extglob` pattern into a regex-compatible string. Returns
+ * an object with the compiled result and the parsed AST.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * console.log(extglob('*.!(*a)'));
+ * //=> '(?!\\.)[^/]*?\\.(?!(?!\\.)[^/]*?a\\b).*?'
+ * ```
+ * @param {String} `pattern`
+ * @param {Object} `options`
+ * @return {String}
+ * @api public
+ */
+
+function extglob(pattern, options) {
+  return extglob.create(pattern, options).output;
+}
+
+/**
+ * Takes an array of strings and an extglob pattern and returns a new
+ * array that contains only the strings that match the pattern.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * console.log(extglob.match(['a.a', 'a.b', 'a.c'], '*.!(*a)'));
+ * //=> ['a.b', 'a.c']
+ * ```
+ * @param {Array} `list` Array of strings to match
+ * @param {String} `pattern` Extglob pattern
+ * @param {Object} `options`
+ * @return {Array} Returns an array of matches
+ * @api public
+ */
+
+extglob.match = function(list, pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  list = utils.arrayify(list);
+  var isMatch = extglob.matcher(pattern, options);
+  var len = list.length;
+  var idx = -1;
+  var matches = [];
+
+  while (++idx < len) {
+    var ele = list[idx];
+
+    if (isMatch(ele)) {
+      matches.push(ele);
+    }
+  }
+
+  // if no options were passed, uniquify results and return
+  if (typeof options === 'undefined') {
+    return 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 [pattern.split('\\').join('')];
+    }
+  }
+
+  return options.nodupes !== false ? unique(matches) : matches;
+};
+
+/**
+ * Returns true if the specified `string` matches the given
+ * extglob `pattern`.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ *
+ * console.log(extglob.isMatch('a.a', '*.!(*a)'));
+ * //=> false
+ * console.log(extglob.isMatch('a.b', '*.!(*a)'));
+ * //=> true
+ * ```
+ * @param {String} `string` String to match
+ * @param {String} `pattern` Extglob pattern
+ * @param {String} `options`
+ * @return {Boolean}
+ * @api public
+ */
+
+extglob.isMatch = function(str, pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  if (pattern === str) {
+    return true;
+  }
+
+  if (pattern === '' || pattern === ' ' || pattern === '.') {
+    return pattern === str;
+  }
+
+  var isMatch = utils.memoize('isMatch', pattern, options, extglob.matcher);
+  return isMatch(str);
+};
+
+/**
+ * Returns true if the given `string` contains the given pattern. Similar to `.isMatch` but
+ * the pattern can match any part of the string.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * console.log(extglob.contains('aa/bb/cc', '*b'));
+ * //=> true
+ * console.log(extglob.contains('aa/bb/cc', '*d'));
+ * //=> false
+ * ```
+ * @param {String} `str` The string to match.
+ * @param {String} `pattern` Glob pattern to use for matching.
+ * @param {Object} `options`
+ * @return {Boolean} Returns true if the patter matches any part of `str`.
+ * @api public
+ */
+
+extglob.contains = function(str, pattern, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  if (pattern === '' || pattern === ' ' || pattern === '.') {
+    return pattern === str;
+  }
+
+  var opts = extend({}, options, {contains: true});
+  opts.strictClose = false;
+  opts.strictOpen = false;
+  return extglob.isMatch(str, pattern, opts);
+};
+
+/**
+ * Takes an extglob pattern and returns a matcher function. The returned
+ * function takes the string to match as its only argument.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * var isMatch = extglob.matcher('*.!(*a)');
+ *
+ * console.log(isMatch('a.a'));
+ * //=> false
+ * console.log(isMatch('a.b'));
+ * //=> true
+ * ```
+ * @param {String} `pattern` Extglob pattern
+ * @param {String} `options`
+ * @return {Boolean}
+ * @api public
+ */
+
+extglob.matcher = function(pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  function matcher() {
+    var re = extglob.makeRe(pattern, options);
+    return function(str) {
+      return re.test(str);
+    };
+  }
+
+  return utils.memoize('matcher', pattern, options, matcher);
+};
+
+/**
+ * Convert the given `extglob` pattern into a regex-compatible string. Returns
+ * an object with the compiled result and the parsed AST.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * console.log(extglob.create('*.!(*a)').output);
+ * //=> '(?!\\.)[^/]*?\\.(?!(?!\\.)[^/]*?a\\b).*?'
+ * ```
+ * @param {String} `str`
+ * @param {Object} `options`
+ * @return {String}
+ * @api public
+ */
+
+extglob.create = function(pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('expected pattern to be a string');
+  }
+
+  function create() {
+    var ext = new Extglob(options);
+    var ast = ext.parse(pattern, options);
+    return ext.compile(ast, options);
+  }
+
+  return utils.memoize('create', pattern, options, create);
+};
+
+/**
+ * Returns an array of matches captured by `pattern` in `string`, or `null`
+ * if the pattern did not match.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * extglob.capture(pattern, string[, options]);
+ *
+ * console.log(extglob.capture('test/*.js', 'test/foo.js'));
+ * //=> ['foo']
+ * console.log(extglob.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
+ */
+
+extglob.capture = function(pattern, str, options) {
+  var re = extglob.makeRe(pattern, extend({capture: true}, options));
+
+  function match() {
+    return function(string) {
+      var match = re.exec(string);
+      if (!match) {
+        return null;
+      }
+
+      return match.slice(1);
+    };
+  }
+
+  var capture = utils.memoize('capture', pattern, options, match);
+  return capture(str);
+};
+
+/**
+ * Create a regular expression from the given `pattern` and `options`.
+ *
+ * ```js
+ * var extglob = require('extglob');
+ * var re = extglob.makeRe('*.!(*a)');
+ * console.log(re);
+ * //=> /^[^\/]*?\.(?![^\/]*?a)[^\/]*?$/
+ * ```
+ * @param {String} `pattern` The pattern to convert to regex.
+ * @param {Object} `options`
+ * @return {RegExp}
+ * @api public
+ */
+
+extglob.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 = extend({strictErrors: false}, options);
+    if (opts.strictErrors === true) opts.strict = true;
+    var res = extglob.create(pattern, opts);
+    return toRegex(res.output, opts);
+  }
+
+  var regex = utils.memoize('makeRe', pattern, options, makeRe);
+  if (regex.source.length > MAX_LENGTH) {
+    throw new SyntaxError('potentially malicious regex detected');
+  }
+
+  return regex;
+};
+
+/**
+ * Cache
+ */
+
+extglob.cache = utils.cache;
+extglob.clearCache = function() {
+  extglob.cache.__data__ = {};
+};
+
+/**
+ * Expose `Extglob` constructor, parsers and compilers
+ */
+
+extglob.Extglob = Extglob;
+extglob.compilers = compilers;
+extglob.parsers = parsers;
+
+/**
+ * Expose `extglob`
+ * @type {Function}
+ */
+
+module.exports = extglob;