build: Add some required modules for node

1 files changed, 838 insertions, 0 deletions

diff --git a/node_modules/nanomatch/index.js b/node_modules/nanomatch/index.js
new file mode 100644
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--- /dev/null
+++ b/node_modules/nanomatch/index.js
@@ -0,0 +1,838 @@
+'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;