Update v1.2.0 docs

Former-commit-id: bb045c043e8f1bbf6cf7fbf463952daa1c24c855

.gitattributes

@@ -1 +1,5 @@
 * text=auto
+*.js text eol=lf
+*.jst text eol=lf
+*.sh text eol=lf
+*.tpl text eol=lf

.gitignore

@@ -1,5 +1,5 @@
 .DS_Store
 *.custom.*
-node_modules/
+node_modules
-vendor/closure-compiler/
+vendor/closure-compiler
-vendor/uglifyjs/
+vendor/uglifyjs

.jamignore

@@ -1,12 +1,14 @@
 .*
 *.custom.*
+*.d.ts
 *.md
 *.txt
 build.js
 index.js
-build/
+bower.json
-doc/
+build
-node_modules/
+doc
-perf/
+node_modules
-test/
+perf
-vendor/
+test
+vendor

.npmignore

@@ -1,27 +1,23 @@
 .*
 *.custom.*
 *.d.ts
-CONTRIBUTING.md
+*.md
-doc/*.php
+bower.json
-node_modules/
+doc
-perf/*.html
+node_modules
-perf/*-ui.js
+perf
-perf/*.sh
+test
-test/*.html
-test/*-ui.js
-test/*.sh
 vendor/*.gz
-vendor/backbone/
+vendor/backbone
-vendor/benchmark.js/*.jar
+vendor/benchmark.js
-vendor/closure-compiler/
+vendor/closure-compiler
-vendor/docdown/
+vendor/docdown
-vendor/firebug-lite/
+vendor/firebug-lite
-vendor/json3/
+vendor/jquery
-vendor/jquery/
+vendor/json3
-vendor/platform.js/
+vendor/platform.js
-vendor/qunit/qunit/*.css
+vendor/qunit
-vendor/qunit/qunit/*-1.8.0.js
+vendor/qunit-clib
-vendor/requirejs/
+vendor/requirejs
-vendor/underscore/*-min.js
+vendor/uglifyjs
-vendor/uglifyjs/
+vendor/underscore
-vendor/underscore/test/

.travis.yml

@@ -7,7 +7,7 @@ env:
   - TEST_COMMAND="phantomjs ./test/test.js ../dist/lodash.compat.min.js"
   - TEST_COMMAND="node ./test/test.js ../dist/lodash.js"
   - TEST_COMMAND="node ./test/test.js ../dist/lodash.min.js"
-  - TEST_COMMAND="node ./test/test-build.js --time-limit 49m40s"
+  - TEST_COMMAND="node ./test/test-build.js --time-limit 49m30s"
 git:
   depth: 1
 branches:

README.md

@@ -1,29 +1,28 @@
-# Lo-Dash <sup>v1.1.1</sup>
+# Lo-Dash <sup>v1.2.0</sup>
-[![build status](https://secure.travis-ci.org/bestiejs/lodash.png)](http://travis-ci.org/bestiejs/lodash)
 
 A low-level utility library delivering consistency, [customization](https://github.com/bestiejs/lodash#custom-builds), [performance](http://lodash.com/benchmarks), and [extra features](https://github.com/bestiejs/lodash#features).
 
 ## Download
 
 * Lo-Dash builds (for modern environments):<br>
-[Development](https://raw.github.com/bestiejs/lodash/v1.1.1/dist/lodash.js) and
+[Development](https://raw.github.com/bestiejs/lodash/v1.2.0/dist/lodash.js) and
-[Production](https://raw.github.com/bestiejs/lodash/v1.1.1/dist/lodash.min.js)
+[Production](https://raw.github.com/bestiejs/lodash/v1.2.0/dist/lodash.min.js)
 
 * Lo-Dash compatibility builds (for legacy and modern environments):<br>
-[Development](https://raw.github.com/bestiejs/lodash/v1.1.1/dist/lodash.compat.js) and
+[Development](https://raw.github.com/bestiejs/lodash/v1.2.0/dist/lodash.compat.js) and
-[Production](https://raw.github.com/bestiejs/lodash/v1.1.1/dist/lodash.compat.min.js)
+[Production](https://raw.github.com/bestiejs/lodash/v1.2.0/dist/lodash.compat.min.js)
 
 * Underscore compatibility builds:<br>
-[Development](https://raw.github.com/bestiejs/lodash/v1.1.1/dist/lodash.underscore.js) and
+[Development](https://raw.github.com/bestiejs/lodash/v1.2.0/dist/lodash.underscore.js) and
-[Production](https://raw.github.com/bestiejs/lodash/v1.1.1/dist/lodash.underscore.min.js)
+[Production](https://raw.github.com/bestiejs/lodash/v1.2.0/dist/lodash.underscore.min.js)
 
-* CDN copies of ≤ v1.1.1’s builds are available on [cdnjs](http://cdnjs.com/) thanks to [CloudFlare](http://www.cloudflare.com/):<br>
+* CDN copies of ≤ v1.2.0’s builds are available on [cdnjs](http://cdnjs.com/) thanks to [CloudFlare](http://www.cloudflare.com/):<br>
-[Lo-Dash dev](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.1.1/lodash.js),
+[Lo-Dash dev](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.0/lodash.js),
-[Lo-Dash prod](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.1.1/lodash.min.js),<br>
+[Lo-Dash prod](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.0/lodash.min.js),<br>
-[Lo-Dash compat-dev](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.1.1/lodash.compat.js),
+[Lo-Dash compat-dev](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.0/lodash.compat.js),
-[Lo-Dash compat-prod](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.1.1/lodash.compat.min.js),<br>
+[Lo-Dash compat-prod](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.0/lodash.compat.min.js),<br>
-[Underscore compat-dev](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.1.1/lodash.underscore.js), and
+[Underscore compat-dev](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.0/lodash.underscore.js), and
-[Underscore compat-prod](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.1.1/lodash.underscore.min.js)
+[Underscore compat-prod](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.0/lodash.underscore.min.js)
 
 * For optimal file size, [create a custom build](https://github.com/bestiejs/lodash#custom-builds) with only the features you need
 
@@ -56,6 +55,7 @@ For more information check out these articles, screencasts, and other videos ove
  * [_.bindKey](http://lodash.com/docs#bindKey) for binding [*“lazy”* defined](http://michaux.ca/articles/lazy-function-definition-pattern) methods
  * [_.cloneDeep](http://lodash.com/docs#cloneDeep) for deep cloning arrays and objects
  * [_.contains](http://lodash.com/docs#contains) accepts a `fromIndex` argument
+ * [_.debounce](http://lodash.com/docs#debounce) and [_.throttle](http://lodash.com/docs#throttle) accept an `options` argument for more control
  * [_.createCallback](http://lodash.com/docs#createCallback) to customize how callback arguments are handled and support callback shorthands in mixins
  * [_.findIndex](http://lodash.com/docs#findIndex) and [_.findKey](http://lodash.com/docs#findKey) for finding indexes and keys of collections
  * [_.forEach](http://lodash.com/docs#forEach) is chainable and supports exiting iteration early
@@ -68,6 +68,7 @@ For more information check out these articles, screencasts, and other videos ove
  * [_.runInContext](http://lodash.com/docs#runInContext) for easier mocking and extended environment support
  * [_.support](http://lodash.com/docs#support) to flag environment features
  * [_.template](http://lodash.com/docs#template) supports [*“imports”* options](http://lodash.com/docs#templateSettings_imports), [ES6 template delimiters](http://people.mozilla.org/~jorendorff/es6-draft.html#sec-7.8.6), and [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
+ * [_.unzip](http://lodash.com/docs#unzip) as the inverse of [_.zip](http://lodash.com/docs#zip)
  * [_.where](http://lodash.com/docs#where) supports deep object comparisons
  * [_.clone](http://lodash.com/docs#clone), [_.omit](http://lodash.com/docs#omit), [_.pick](http://lodash.com/docs#pick),
    [and more…](http://lodash.com/docs "_.assign, _.cloneDeep, _.first, _.initial, _.isEqual, _.last, _.merge, _.rest") accept `callback` and `thisArg` arguments
@@ -78,7 +79,7 @@ For more information check out these articles, screencasts, and other videos ove
 
 ## Support
 
-Lo-Dash has been tested in at least Chrome 5~25, Firefox 2~19, IE 6-10, Opera 9.25-12, Safari 3-6, Node.js 0.4.8-0.10.1, Narwhal 0.3.2, PhantomJS 1.8.1, RingoJS 0.9, and Rhino 1.7RC5.
+Lo-Dash has been tested in at least Chrome 5~26, Firefox 2~19, IE 6-10, Opera 9.25~12, Safari 3-6, Node.js 0.4.8-0.10.4, Narwhal 0.3.2, PhantomJS 1.9.0, RingoJS 0.9, and Rhino 1.7RC5.
 
 ## Custom builds
 
@@ -88,12 +89,6 @@ To top it off, we handle all method dependency and alias mapping for you.
  * Backbone builds, with only methods required by Backbone, may be created using the `backbone` modifier argument.
 ```bash
 lodash backbone
-```
-
- * CSP builds, supporting default [Content Security Policy](https://dvcs.w3.org/hg/content-security-policy/raw-file/tip/csp-specification.dev.html) restrictions, may be created using the `csp` modifier argument.
-   The `csp` modifier is an alias of the `mobile` modifier. Lo-Dash may be used in Chrome extensions by using either the `csp`, `mobile`, or `underscore` build and using precompiled templates, or loading Lo-Dash in a [sandbox](http://developer.chrome.com/stable/extensions/sandboxingEval.html).
-```bash
-lodash csp
 ```
 
  * Legacy builds, tailored for older environments without [ES5 support](http://es5.github.com/), may be created using the `legacy` modifier argument.
@@ -175,7 +170,7 @@ lodash settings="{interpolate:/\{\{([\s\S]+?)\}\}/g}"
 lodash moduleId="underscore"
 ```
 
-All arguments, except `legacy` with `csp`, `mobile`, `modern`, or `underscore`, may be combined.<br>
+All arguments, except `legacy` with `mobile`, `modern`, or `underscore`, may be combined.<br>
 Unless specified by `-o` or `--output`, all files created are saved to the current working directory.
 
 The following options are also supported:
@@ -252,24 +247,20 @@ require({
 
 ## Release Notes
 
-### <sup>v1.1.1</sup>
+### <sup>v1.2.0</sup>
 
- * Ensured the `underscore` build version of `_.forEach` accepts a `thisArg` argument
+ * Added Bower package support
- * Updated vendor/tar to work with Node v0.10.x
+ * Added `_.unzip`
-
+ * Added an `options` argument to `_.debounce` and `_.throttle`
-### <sup>v1.1.0</sup>
+ * Allowed non-`underscore` builds to include `_.findWhere` and `_.chain`
-
+ * Ensured *“Arrays”* and *“Objects”* category methods work with `arguments` objects and arrays respectively
- * Added `rhino -require` support
+ * Ensured build utility runs on Windows
- * Added `_.createCallback`, `_findIndex`, `_.findKey`, `_.parseInt`, `_.runInContext`, and `_.support`
+ * Ensured `underscore` build versions of *“isType”* methods align with Underscore
- * Added support for `callback` and `thisArg` arguments to `_.flatten`
+ * Ensured methods avoid issues with the `__proto__` property
- * Added CommonJS/Node support to precompiled templates
+ * Ensured `_.merge` applies a `callback` to nested properties
- * Ensured the `exports` object is not a DOM element
+ * Ensured `_.merge` passes the correct `callback` arguments when comparing objects
- * Ensured `_.isPlainObject` returns `false` for objects without a `[[Class]]` of “Object”
+ * Made Lo-Dash work with Browserify
- * Made `_.cloneDeep`’s `callback` support more closely follow its documentation
+ * Removed method compilation from the `modern`
- * Made the template precompiler create nonexistent directories of `--output` paths
- * Made `_.object` an alias of `_.zipObject`
- * Optimized method chaining, object iteration, `_.find`, and `_.pluck` (an average of 18% overall better performance)
- * Updated `backbone` build Lo-Dash method dependencies
 
 The full changelog is available [here](https://github.com/bestiejs/lodash/wiki/Changelog).
 

bower.json

@@ -0,0 +1,20 @@
+{
+  "name": "lodash",
+  "version": "1.2.0",
+  "main": "./lodash.js",
+  "ignore": [
+    ".*",
+    "*.custom.*",
+    "*.d.ts",
+    "*.md",
+    "*.txt",
+    "build.js",
+    "index.js",
+    "build",
+    "doc",
+    "node_modules",
+    "perf",
+    "test",
+    "vendor"
+  ]
+}

build/minify.js

@@ -3,30 +3,26 @@
   'use strict';
 
   /** Load Node.js modules */
-  var fs = require('fs'),
+  var https = require('https'),
-      https = require('https'),
-      path = require('path'),
       spawn = require('child_process').spawn,
       zlib = require('zlib');
 
   /** Load other modules */
   var _ = require('../lodash.js'),
-      mkdirpSync = require('./mkdirp-sync.js'),
       preprocess = require('./pre-compile.js'),
       postprocess = require('./post-compile.js'),
-      tar = require('../vendor/tar/tar.js');
+      tar = require('../vendor/tar/tar.js'),
+      util = require('./util.js');
 
-  /** Add `fs.existsSync` for older versions of Node.js */
+  /** Module shortcuts */
-  fs.existsSync || (fs.existsSync = path.existsSync);
+  var fs = util.fs,
-
+      path = util.path;
-  /** Add `path.sep` for older versions of Node.js */
-  path.sep || (path.sep = process.platform == 'win32' ? '\\' : '/');
 
   /** The Git object ID of `closure-compiler.tar.gz` */
-  var closureId = 'a95a8007892aa824ce90c6aa3d3abb0489bf0fff';
+  var closureId = 'fe7665b9fb2378ffaf9e3985268e20e5c72e35fd';
 
   /** The Git object ID of `uglifyjs.tar.gz` */
-  var uglifyId = '41308bd569db41a32d4f08af115875d0342e8bfb';
+  var uglifyId = '3658629b8c7ae2e686f69eadd788ed792a23f4c6';
 
   /** The path of the directory that is the base of the repository */
   var basePath = fs.realpathSync(path.join(__dirname, '..'));
@@ -47,7 +43,7 @@
   var mediaType = 'application/vnd.github.v3.raw';
 
   /** Used to detect the Node.js executable in command-line arguments */
-  var reNode = RegExp('(?:^|' + path.sep + ')node(?:\\.exe)?$');
+  var reNode = RegExp('(?:^|' + path.sepEscaped + ')node(?:\\.exe)?$');
 
   /** Used to reference parts of the blob href */
   var location = (function() {
@@ -146,7 +142,7 @@
         if (/-o|--output/.test(value)) {
           result = options[index + 1];
           var dirname = path.dirname(result);
-          mkdirpSync(dirname);
+          fs.mkdirpSync(dirname);
           result = path.join(fs.realpathSync(dirname), path.basename(result));
         }
         return result;

build/mkdirp-sync.js

@@ -1,43 +0,0 @@
-#!/usr/bin/env node
-;(function() {
-  'use strict';
-
-  /** Load Node.js modules */
-  var fs = require('fs'),
-      path = require('path');
-
-  /** Add `path.sep` for older versions of Node.js */
-  path.sep || (path.sep = process.platform == 'win32' ? '\\' : '/');
-
-  /*--------------------------------------------------------------------------*/
-
-  /**
-   * Makes the given `dirname` directory, without throwing errors for existing
-   * directories and making parent directories as needed.
-   *
-   * @param {String} dirname The path of the directory.
-   * @param {Number|String} [mode='0777'] The permission mode.
-   */
-  function mkdirpSync(dirname, mode) {
-    var sep = path.sep;
-
-    // ensure relative paths are prefixed with `./`
-    if (!RegExp('^\\.?' + sep).test(dirname)) {
-      dirname = '.' + sep + dirname;
-    }
-    dirname.split(sep).reduce(function(currPath, segment) {
-      currPath += sep + segment;
-      try {
-        currPath = fs.realpathSync(currPath);
-      } catch(e) {
-        fs.mkdirSync(currPath, mode);
-      }
-      return currPath;
-    });
-  }
-
-  /*--------------------------------------------------------------------------*/
-
-  // expose
-  module.exports = mkdirpSync;
-}());

build/post-compile.js

@@ -27,14 +27,8 @@
     // remove copyright header
     source = source.replace(/^\/\**[\s\S]+?\*\/\n/, '');
 
-    // correct overly aggressive Closure Compiler advanced optimizations
+    // correct overly aggressive Closure Compiler advanced optimization
-    source = source
+    source = source.replace(/(document[^&]+&&)\s*(?:\w+|!\d)/, '$1!({toString:0}+"")');
-      .replace(/prototype\s*=\s*{\s*valueOf\s*:\s*1\s*}/, 'prototype={valueOf:1,y:1}')
-      .replace(/(document[^&]+&&)\s*(?:\w+|!\d)/, '$1!({toString:0}+"")')
-
-    source = source.replace(/(\w+\.prototype\s*=\s*)\w+(?=\.prototype;)/, function(match, left) {
-      return left + /\w+(?=\.VERSION)/.exec(source);
-    });
 
     // flip `typeof` expressions to help optimize Safari and
     // correct the AMD module definition for AMD build optimizers

build/pre-compile.js

@@ -156,6 +156,7 @@
     'keys',
     'last',
     'lastIndexOf',
+    'leading',
     'map',
     'max',
     'memoize',
@@ -204,16 +205,19 @@
     'throttle',
     'times',
     'toArray',
+    'trailing',
     'unescape',
     'unindexedChars',
     'union',
     'uniq',
     'unique',
     'uniqueId',
+    'unzip',
     'value',
     'values',
     'variable',
     'where',
+    'window',
     'without',
     'wrap',
     'zip',

build/util.js

@@ -0,0 +1,98 @@
+#!/usr/bin/env node
+;(function() {
+  'use strict';
+
+  /** Load Node.js modules */
+  var fs = require('fs'),
+      path = require('path');
+
+  /** Load other modules */
+  var _ = require('../lodash.js');
+
+  /** Used to indicate if running in Windows */
+  var isWindows = process.platform == 'win32';
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * The path separator.
+   *
+   * @memberOf util.path
+   * @type String
+   */
+  var sep = path.sep || (isWindows ? '\\' : '/');
+
+  /**
+   * The escaped path separator used for inclusion in RegExp strings.
+   *
+   * @memberOf util.path
+   * @type String
+   */
+  var sepEscaped = sep.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+
+  /** Used to determine if a path is prefixed with a drive letter, dot, or slash */
+  var rePrefixed = RegExp('^(?:' + (isWindows ? '[a-zA-Z]:|' : '') + '\\.?)' + sepEscaped);
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Makes the given `dirname` directory, without throwing errors for existing
+   * directories and making parent directories as needed.
+   *
+   * @memberOf util.fs
+   * @param {String} dirname The path of the directory.
+   * @param {Number|String} [mode='0777'] The permission mode.
+   */
+  function mkdirpSync(dirname, mode) {
+    // ensure relative paths are prefixed with `./`
+    if (!rePrefixed.test(dirname)) {
+      dirname = '.' + sep + dirname;
+    }
+    dirname.split(sep).reduce(function(currPath, segment) {
+      currPath += sep + segment;
+      try {
+        currPath = fs.realpathSync(currPath);
+      } catch(e) {
+        fs.mkdirSync(currPath, mode);
+      }
+      return currPath;
+    });
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * The utility object.
+   *
+   * @type Object
+   */
+  var util = {
+
+   /**
+    * The file system object.
+    *
+    * @memberOf util
+    * @type Object
+    */
+    'fs': _.defaults(_.cloneDeep(fs), {
+      'existsSync': fs.existsSync || path.existsSync,
+      'mkdirpSync': mkdirpSync
+    }),
+
+   /**
+    * The path object.
+    *
+    * @memberOf util
+    * @type Object
+    */
+    'path': _.defaults(_.cloneDeep(path), {
+      'sep': sep,
+      'sepEscaped': sepEscaped
+    })
+  };
+
+  /*--------------------------------------------------------------------------*/
+
+  // expose
+  module.exports = util;
+}());

dist/lodash.compat.js

@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 1.1.1 (Custom Build) <http://lodash.com/>
+ * Lo-Dash 1.2.0 (Custom Build) <http://lodash.com/>
  * Build: `lodash -o ./dist/lodash.compat.js`
  * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.4.4 <http://underscorejs.org/>
@@ -18,9 +18,9 @@
   /** Detect free variable `module` */
   var freeModule = typeof module == 'object' && module && module.exports == freeExports && module;
 
-  /** Detect free variable `global` and use it as `window` */
+  /** Detect free variable `global`, from Node.js or Browserified code, and use it as `window` */
   var freeGlobal = typeof global == 'object' && global;
-  if (freeGlobal.global === freeGlobal) {
+  if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
     window = freeGlobal;
   }
 
@@ -30,6 +30,12 @@
   /** Used internally to indicate various things */
   var indicatorObject = {};
 
+  /** Used to prefix keys to avoid issues with `__proto__` and properties on `Object.prototype` */
+  var keyPrefix = +new Date + '';
+
+  /** Used as the size when optimizations are enabled for large arrays */
+  var largeArraySize = 200;
+
   /** Used to match empty string literals in compiled template source */
   var reEmptyStringLeading = /\b__p \+= '';/g,
       reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
@@ -175,7 +181,7 @@
         toString = objectRef.toString;
 
     /* Native method shortcuts for methods with the same name as other `lodash` methods */
-    var nativeBind = reNative.test(nativeBind = slice.bind) && nativeBind,
+    var nativeBind = reNative.test(nativeBind = toString.bind) && nativeBind,
         nativeIsArray = reNative.test(nativeIsArray = Array.isArray) && nativeIsArray,
         nativeIsFinite = context.isFinite,
         nativeIsNaN = context.isNaN,
@@ -183,7 +189,8 @@
         nativeMax = Math.max,
         nativeMin = Math.min,
         nativeParseInt = context.parseInt,
-        nativeRandom = Math.random;
+        nativeRandom = Math.random,
+        nativeSlice = arrayRef.slice;
 
     /** Detect various environments */
     var isIeOpera = reNative.test(context.attachEvent),
@@ -202,7 +209,7 @@
     /*--------------------------------------------------------------------------*/
 
     /**
-     * Creates a `lodash` object, that wraps the given `value`, to enable method
+     * Creates a `lodash` object, which wraps the given `value`, to enable method
      * chaining.
      *
      * In addition to Lo-Dash methods, wrappers also have the following `Array` methods:
@@ -220,8 +227,8 @@
      * `invoke`, `keys`, `map`, `max`, `memoize`, `merge`, `min`, `object`, `omit`,
      * `once`, `pairs`, `partial`, `partialRight`, `pick`, `pluck`, `push`, `range`,
      * `reject`, `rest`, `reverse`, `shuffle`, `slice`, `sort`, `sortBy`, `splice`,
-     * `tap`, `throttle`, `times`, `toArray`, `union`, `uniq`, `unshift`, `values`,
+     * `tap`, `throttle`, `times`, `toArray`, `union`, `uniq`, `unshift`, `unzip`,
-     * `where`, `without`, `wrap`, and `zip`
+     * `values`, `where`, `without`, `wrap`, and `zip`
      *
      * The non-chainable wrapper functions are:
      * `clone`, `cloneDeep`, `contains`, `escape`, `every`, `find`, `has`,
@@ -240,6 +247,26 @@
      * @category Chaining
      * @param {Mixed} value The value to wrap in a `lodash` instance.
      * @returns {Object} Returns a `lodash` instance.
+     * @example
+     *
+     * var wrapped = _([1, 2, 3]);
+     *
+     * // returns an unwrapped value
+     * wrapped.reduce(function(sum, num) {
+     *   return sum + num;
+     * });
+     * // => 6
+     *
+     * // returns a wrapped value
+     * var squares = wrapped.map(function(num) {
+     *   return num * num;
+     * });
+     *
+     * _.isArray(squares);
+     * // => false
+     *
+     * _.isArray(squares.value());
+     * // => true
      */
     function lodash(value) {
       // don't wrap if already wrapped, even if wrapped by a different `lodash` constructor
@@ -267,12 +294,12 @@
       for (prop in arguments) { }
 
       /**
-       * Detect if `arguments` objects are `Object` objects (all but Opera < 10.5).
+       * Detect if `arguments` objects are `Object` objects (all but Narwhal and Opera < 10.5).
        *
        * @memberOf _.support
        * @type Boolean
        */
-      support.argsObject = arguments.constructor == Object;
+      support.argsObject = arguments.constructor == Object && !(arguments instanceof Array);
 
       /**
        * Detect if an `arguments` object's [[Class]] is resolvable (all but Firefox < 4, IE < 9).
@@ -438,7 +465,7 @@
      * The template used to create iterator functions.
      *
      * @private
-     * @param {Obect} data The data object used to populate the text.
+     * @param {Object} data The data object used to populate the text.
      * @returns {String} Returns the interpolated text.
      */
     var iteratorTemplate = function(obj) {
@@ -566,31 +593,27 @@
      * @private
      * @param {Array} array The array to search.
      * @param {Mixed} value The value to search for.
-     * @param {Number} fromIndex The index to search from.
-     * @param {Number} largeSize The length at which an array is considered large.
      * @returns {Boolean} Returns `true`, if `value` is found, else `false`.
      */
-    function cachedContains(array, fromIndex, largeSize) {
+    function cachedContains(array) {
       var length = array.length,
-          isLarge = (length - fromIndex) >= largeSize;
+          isLarge = length >= largeArraySize;
 
       if (isLarge) {
         var cache = {},
-            index = fromIndex - 1;
+            index = -1;
 
         while (++index < length) {
-          // manually coerce `value` to a string because `hasOwnProperty`, in some
+          var key = keyPrefix + array[index];
-          // older versions of Firefox, coerces objects incorrectly
+          (cache[key] || (cache[key] = [])).push(array[index]);
-          var key = String(array[index]);
-          (hasOwnProperty.call(cache, key) ? cache[key] : (cache[key] = [])).push(array[index]);
         }
       }
       return function(value) {
         if (isLarge) {
-          var key = String(value);
+          var key = keyPrefix + value;
-          return hasOwnProperty.call(cache, key) && indexOf(cache[key], value) > -1;
+          return  cache[key] && indexOf(cache[key], value) > -1;
         }
-        return indexOf(array, value, fromIndex) > -1;
+        return indexOf(array, value) > -1;
       }
     }
 
@@ -676,7 +699,7 @@
         }
         if (partialArgs.length) {
           args = args.length
-            ? (args = slice(args), rightIndicator ? args.concat(partialArgs) : partialArgs.concat(args))
+            ? (args = nativeSlice.call(args), rightIndicator ? args.concat(partialArgs) : partialArgs.concat(args))
             : partialArgs;
         }
         if (this instanceof bound) {
@@ -702,6 +725,7 @@
      * @param {Object} [options1, options2, ...] The compile options object(s).
      *  arrays - A string of code to determine if the iterable is an array or array-like.
      *  useHas - A boolean to specify using `hasOwnProperty` checks in the object loop.
+     *  useKeys - A boolean to specify using `_.keys` for own property iteration.
      *  args - A string of comma separated arguments the iteration function will accept.
      *  top - A string of code to execute before the iteration branches.
      *  loop - A string of code to execute in the object loop.
@@ -803,7 +827,7 @@
     }
 
     /**
-     * A fallback implementation of `isPlainObject` that checks if a given `value`
+     * A fallback implementation of `isPlainObject` which checks if a given `value`
      * is an object created by the `Object` constructor, assuming objects created
      * by the `Object` constructor have no inherited enumerable properties and that
      * there are no `Object.prototype` extensions.
@@ -911,29 +935,7 @@
     }
 
     /**
-     * Checks if `value` is an array.
+     * A fallback implementation of `Object.keys` which produces an array of the
-     *
-     * @static
-     * @memberOf _
-     * @category Objects
-     * @param {Mixed} value The value to check.
-     * @returns {Boolean} Returns `true`, if the `value` is an array, else `false`.
-     * @example
-     *
-     * (function() { return _.isArray(arguments); })();
-     * // => false
-     *
-     * _.isArray([1, 2, 3]);
-     * // => true
-     */
-    var isArray = nativeIsArray || function(value) {
-      // `instanceof` may cause a memory leak in IE 7 if `value` is a host object
-      // http://ajaxian.com/archives/working-aroung-the-instanceof-memory-leak
-      return (support.argsObject && value instanceof Array) || toString.call(value) == arrayClass;
-    };
-
-    /**
-     * A fallback implementation of `Object.keys` that produces an array of the
      * given object's own enumerable property names.
      *
      * @private
@@ -1253,7 +1255,7 @@
      * @static
      * @memberOf _
      * @category Objects
-     * @param {Array|Object|String} collection The collection to iterate over.
+     * @param {Object} object The object to search.
      * @param {Function|Object|String} [callback=identity] The function called per
      *  iteration. If a property name or object is passed, it will be used to create
      *  a "_.pluck" or "_.where" style callback, respectively.
@@ -1261,14 +1263,16 @@
      * @returns {Mixed} Returns the key of the found element, else `undefined`.
      * @example
      *
-     * _.findKey({ 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, function(num) { return num % 2 == 0; });
+     * _.findKey({ 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, function(num) {
+     *   return num % 2 == 0;
+     * });
      * // => 'b'
      */
-    function findKey(collection, callback, thisArg) {
+    function findKey(object, callback, thisArg) {
       var result;
       callback = lodash.createCallback(callback, thisArg);
-      forOwn(collection, function(value, key, collection) {
+      forOwn(object, function(value, key, object) {
-        if (callback(value, key, collection)) {
+        if (callback(value, key, object)) {
           result = key;
           return false;
         }
@@ -1402,6 +1406,29 @@
       return result;
     }
 
+    /**
+     * Checks if `value` is an array.
+     *
+     * @static
+     * @memberOf _
+     * @category Objects
+     * @param {Mixed} value The value to check.
+     * @returns {Boolean} Returns `true`, if the `value` is an array, else `false`.
+     * @example
+     *
+     * (function() { return _.isArray(arguments); })();
+     * // => false
+     *
+     * _.isArray([1, 2, 3]);
+     * // => true
+     */
+    function isArray(value) {
+      // `instanceof` may cause a memory leak in IE 7 if `value` is a host object
+      // http://ajaxian.com/archives/working-aroung-the-instanceof-memory-leak
+      return (support.argsObject && value instanceof Array) ||
+        (nativeIsArray ? nativeIsArray(value) : toString.call(value) == arrayClass);
+    }
+
     /**
      * Checks if `value` is a boolean value.
      *
@@ -1536,11 +1563,8 @@
     function isEqual(a, b, callback, thisArg, stackA, stackB) {
       // used to indicate that when comparing objects, `a` has at least the properties of `b`
       var whereIndicator = callback === indicatorObject;
-      if (callback && !whereIndicator) {
+      if (typeof callback == 'function' && !whereIndicator) {
-        callback = (typeof thisArg == 'undefined')
+        callback = lodash.createCallback(callback, thisArg, 2);
-          ? callback
-          : lodash.createCallback(callback, thisArg, 2);
-
         var result = callback(a, b);
         if (typeof result != 'undefined') {
           return !!result;
@@ -2026,22 +2050,24 @@
               }
             }
             if (!found) {
-              value = isArr
+              var isShallow;
-                ? (isArray(value) ? value : [])
-                : (isPlainObject(value) ? value : {});
-
               if (callback) {
                 result = callback(value, source);
-                if (typeof result != 'undefined') {
+                if ((isShallow = typeof result != 'undefined')) {
                   value = result;
                 }
               }
+              if (!isShallow) {
+                value = isArr
+                  ? (isArray(value) ? value : [])
+                  : (isPlainObject(value) ? value : {});
+              }
               // add `source` and associated `value` to the stack of traversed objects
               stackA.push(source);
               stackB.push(value);
 
               // recursively merge objects and arrays (susceptible to call stack limits)
-              if (!callback) {
+              if (!isShallow) {
                 value = merge(value, source, indicatorObject, callback, stackA, stackB);
               }
             }
@@ -2096,12 +2122,12 @@
       if (isFunc) {
         callback = lodash.createCallback(callback, thisArg);
       } else {
-        var props = concat.apply(arrayRef, arguments);
+        var props = concat.apply(arrayRef, nativeSlice.call(arguments, 1));
       }
       forIn(object, function(value, key, object) {
         if (isFunc
               ? !callback(value, key, object)
-              : indexOf(props, key, 1) < 0
+              : indexOf(props, key) < 0
             ) {
           result[key] = value;
         }
@@ -2164,8 +2190,8 @@
     function pick(object, callback, thisArg) {
       var result = {};
       if (typeof callback != 'function') {
-        var index = 0,
+        var index = -1,
-            props = concat.apply(arrayRef, arguments),
+            props = concat.apply(arrayRef, nativeSlice.call(arguments, 1)),
             length = isObject(object) ? props.length : 0;
 
         while (++index < length) {
@@ -2235,7 +2261,7 @@
      */
     function at(collection) {
       var index = -1,
-          props = concat.apply(arrayRef, slice(arguments, 1)),
+          props = concat.apply(arrayRef, nativeSlice.call(arguments, 1)),
           length = props.length,
           result = Array(length);
 
@@ -2490,7 +2516,9 @@
      * @returns {Mixed} Returns the found element, else `undefined`.
      * @example
      *
-     * _.find([1, 2, 3, 4], function(num) { return num % 2 == 0; });
+     * _.find([1, 2, 3, 4], function(num) {
+     *   return num % 2 == 0;
+     * });
      * // => 2
      *
      * var food = [
@@ -2638,7 +2666,7 @@
      * // => [['1', '2', '3'], ['4', '5', '6']]
      */
     function invoke(collection, methodName) {
-      var args = slice(arguments, 2),
+      var args = nativeSlice.call(arguments, 2),
           index = -1,
           isFunc = typeof methodName == 'function',
           length = collection ? collection.length : 0,
@@ -2868,7 +2896,7 @@
     var pluck = map;
 
     /**
-     * Reduces a `collection` to a value that is the accumulated result of running
+     * Reduces a `collection` to a value which is the accumulated result of running
      * each element in the `collection` through the `callback`, where each successive
      * `callback` execution consumes the return value of the previous execution.
      * If `accumulator` is not passed, the first element of the `collection` will be
@@ -3275,8 +3303,8 @@
     function difference(array) {
       var index = -1,
           length = array ? array.length : 0,
-          flattened = concat.apply(arrayRef, arguments),
+          flattened = concat.apply(arrayRef, nativeSlice.call(arguments, 1)),
-          contains = cachedContains(flattened, length, 100),
+          contains = cachedContains(flattened),
           result = [];
 
       while (++index < length) {
@@ -3295,7 +3323,7 @@
      * @static
      * @memberOf _
      * @category Arrays
-     * @param {Array|Object|String} collection The collection to iterate over.
+     * @param {Array} array The array to search.
      * @param {Function|Object|String} [callback=identity] The function called per
      *  iteration. If a property name or object is passed, it will be used to create
      *  a "_.pluck" or "_.where" style callback, respectively.
@@ -3303,16 +3331,18 @@
      * @returns {Mixed} Returns the index of the found element, else `-1`.
      * @example
      *
-     * _.findIndex(['apple', 'banana', 'beet'], function(food) { return /^b/.test(food); });
+     * _.findIndex(['apple', 'banana', 'beet'], function(food) {
+     *   return /^b/.test(food);
+     * });
      * // => 1
      */
-    function findIndex(collection, callback, thisArg) {
+    function findIndex(array, callback, thisArg) {
       var index = -1,
-          length = collection ? collection.length : 0;
+          length = array ? array.length : 0;
 
       callback = lodash.createCallback(callback, thisArg);
       while (++index < length) {
-        if (callback(collection[index], index, collection)) {
+        if (callback(array[index], index, array)) {
           return index;
         }
       }
@@ -3414,7 +3444,7 @@
      * @static
      * @memberOf _
      * @category Arrays
-     * @param {Array} array The array to compact.
+     * @param {Array} array The array to flatten.
      * @param {Boolean} [isShallow=false] A flag to indicate only flattening a single level.
      * @param {Function|Object|String} [callback=identity] The function called per
      *  iteration. If a property name or object is passed, it will be used to create
@@ -3605,7 +3635,7 @@
           cache = { '0': {} },
           index = -1,
           length = array ? array.length : 0,
-          isLarge = length >= 100,
+          isLarge = length >= largeArraySize,
           result = [],
           seen = result;
 
@@ -3613,8 +3643,8 @@
       while (++index < length) {
         var value = array[index];
         if (isLarge) {
-          var key = String(value);
+          var key = keyPrefix + value;
-          var inited = hasOwnProperty.call(cache[0], key)
+          var inited = cache[0][key]
             ? !(seen = cache[0][key])
             : (seen = cache[0][key] = []);
         }
@@ -3624,7 +3654,7 @@
           }
           var argsIndex = argsLength;
           while (--argsIndex) {
-            if (!(cache[argsIndex] || (cache[argsIndex] = cachedContains(args[argsIndex], 0, 100)))(value)) {
+            if (!(cache[argsIndex] || (cache[argsIndex] = cachedContains(args[argsIndex])))(value)) {
               continue outer;
             }
           }
@@ -3885,7 +3915,7 @@
      * @static
      * @memberOf _
      * @category Arrays
-     * @param {Array} array The array to iterate over.
+     * @param {Array} array The array to inspect.
      * @param {Mixed} value The value to evaluate.
      * @param {Function|Object|String} [callback=identity] The function called per
      *  iteration. If a property name or object is passed, it will be used to create
@@ -3948,7 +3978,10 @@
      * _.union([1, 2, 3], [101, 2, 1, 10], [2, 1]);
      * // => [1, 2, 3, 101, 10]
      */
-    function union() {
+    function union(array) {
+      if (!isArray(array)) {
+        arguments[0] = array ? nativeSlice.call(array) : arrayRef;
+      }
       return uniq(concat.apply(arrayRef, arguments));
     }
 
@@ -4008,7 +4041,7 @@
         isSorted = false;
       }
       // init value cache for large arrays
-      var isLarge = !isSorted && length >= 75;
+      var isLarge = !isSorted && length >= largeArraySize;
       if (isLarge) {
         var cache = {};
       }
@@ -4021,8 +4054,8 @@
             computed = callback ? callback(value, index, array) : value;
 
         if (isLarge) {
-          var key = String(computed);
+          var key = keyPrefix + computed;
-          var inited = hasOwnProperty.call(cache, key)
+          var inited = cache[key]
             ? !(seen = cache[key])
             : (seen = cache[key] = []);
         }
@@ -4039,6 +4072,37 @@
       return result;
     }
 
+    /**
+     * The inverse of `_.zip`, this method splits groups of elements into arrays
+     * composed of elements from each group at their corresponding indexes.
+     *
+     * @static
+     * @memberOf _
+     * @category Arrays
+     * @param {Array} array The array to process.
+     * @returns {Array} Returns a new array of the composed arrays.
+     * @example
+     *
+     * _.unzip([['moe', 30, true], ['larry', 40, false]]);
+     * // => [['moe', 'larry'], [30, 40], [true, false]];
+     */
+    function unzip(array) {
+      var index = -1,
+          length = array ? array.length : 0,
+          tupleLength = length ? max(pluck(array, 'length')) : 0,
+          result = Array(tupleLength);
+
+      while (++index < length) {
+        var tupleIndex = -1,
+            tuple = array[index];
+
+        while (++tupleIndex < tupleLength) {
+          (result[tupleIndex] || (result[tupleIndex] = Array(length)))[index] = tuple[tupleIndex];
+        }
+      }
+      return result;
+    }
+
     /**
      * Creates an array with all occurrences of the passed values removed using
      * strict equality for comparisons, i.e. `===`.
@@ -4055,18 +4119,7 @@
      * // => [2, 3, 4]
      */
     function without(array) {
-      var index = -1,
+      return difference(array, nativeSlice.call(arguments, 1));
-          length = array ? array.length : 0,
-          contains = cachedContains(arguments, 1, 30),
-          result = [];
-
-      while (++index < length) {
-        var value = array[index];
-        if (!contains(value)) {
-          result.push(value);
-        }
-      }
-      return result;
     }
 
     /**
@@ -4192,7 +4245,7 @@
       // (in V8 `Function#bind` is slower except when partially applied)
       return support.fastBind || (nativeBind && arguments.length > 2)
         ? nativeBind.call.apply(nativeBind, arguments)
-        : createBound(func, thisArg, slice(arguments, 2));
+        : createBound(func, thisArg, nativeSlice.call(arguments, 2));
     }
 
     /**
@@ -4219,8 +4272,8 @@
      * // => alerts 'clicked docs', when the button is clicked
      */
     function bindAll(object) {
-      var funcs = concat.apply(arrayRef, arguments),
+      var funcs = arguments.length > 1 ? concat.apply(arrayRef, nativeSlice.call(arguments, 1)) : functions(object),
-          index = funcs.length > 1 ? 0 : (funcs = functions(object), -1),
+          index = -1,
           length = funcs.length;
 
       while (++index < length) {
@@ -4265,7 +4318,7 @@
      * // => 'hi, moe!'
      */
     function bindKey(object, key) {
-      return createBound(object, key, slice(arguments, 2), indicatorObject);
+      return createBound(object, key, nativeSlice.call(arguments, 2), indicatorObject);
     }
 
     /**
@@ -4395,44 +4448,53 @@
     /**
      * Creates a function that will delay the execution of `func` until after
      * `wait` milliseconds have elapsed since the last time it was invoked. Pass
-     * `true` for `immediate` to cause debounce to invoke `func` on the leading,
+     * an `options` object to indicate that `func` should be invoked on the leading
-     * instead of the trailing, edge of the `wait` timeout. Subsequent calls to
+     * and/or trailing edge of the `wait` timeout. Subsequent calls to the debounced
-     * the debounced function will return the result of the last `func` call.
+     * function will return the result of the last `func` call.
      *
      * @static
      * @memberOf _
      * @category Functions
      * @param {Function} func The function to debounce.
      * @param {Number} wait The number of milliseconds to delay.
-     * @param {Boolean} immediate A flag to indicate execution is on the leading
+     * @param {Object} options The options object.
-     *  edge of the timeout.
+     *  [leading=false] A boolean to specify execution on the leading edge of the timeout.
+     *  [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
      * @returns {Function} Returns the new debounced function.
      * @example
      *
      * var lazyLayout = _.debounce(calculateLayout, 300);
      * jQuery(window).on('resize', lazyLayout);
      */
-    function debounce(func, wait, immediate) {
+    function debounce(func, wait, options) {
       var args,
           result,
           thisArg,
-          timeoutId;
+          timeoutId,
+          trailing = true;
 
       function delayed() {
         timeoutId = null;
-        if (!immediate) {
+        if (trailing) {
           result = func.apply(thisArg, args);
         }
       }
+      if (options === true) {
+        var leading = true;
+        trailing = false;
+      } else if (options && objectTypes[typeof options]) {
+        leading = options.leading;
+        trailing = 'trailing' in options ? options.trailing : trailing;
+      }
       return function() {
-        var isImmediate = immediate && !timeoutId;
+        var isLeading = leading && !timeoutId;
         args = arguments;
         thisArg = this;
 
         clearTimeout(timeoutId);
         timeoutId = setTimeout(delayed, wait);
 
-        if (isImmediate) {
+        if (isLeading) {
           result = func.apply(thisArg, args);
         }
         return result;
@@ -4455,7 +4517,7 @@
      * // returns from the function before `alert` is called
      */
     function defer(func) {
-      var args = slice(arguments, 1);
+      var args = nativeSlice.call(arguments, 1);
       return setTimeout(function() { func.apply(undefined, args); }, 1);
     }
     // use `setImmediate` if it's available in Node.js
@@ -4481,7 +4543,7 @@
      * // => 'logged later' (Appears after one second.)
      */
     function delay(func, wait) {
-      var args = slice(arguments, 2);
+      var args = nativeSlice.call(arguments, 2);
       return setTimeout(function() { func.apply(undefined, args); }, wait);
     }
 
@@ -4507,7 +4569,7 @@
     function memoize(func, resolver) {
       var cache = {};
       return function() {
-        var key = String(resolver ? resolver.apply(this, arguments) : arguments[0]);
+        var key = keyPrefix + (resolver ? resolver.apply(this, arguments) : arguments[0]);
         return hasOwnProperty.call(cache, key)
           ? cache[key]
           : (cache[key] = func.apply(this, arguments));
@@ -4567,7 +4629,7 @@
      * // => 'hi moe'
      */
     function partial(func) {
-      return createBound(func, slice(arguments, 1));
+      return createBound(func, nativeSlice.call(arguments, 1));
     }
 
     /**
@@ -4598,43 +4660,61 @@
      * // => { '_': _, 'jq': $ }
      */
     function partialRight(func) {
-      return createBound(func, slice(arguments, 1), null, indicatorObject);
+      return createBound(func, nativeSlice.call(arguments, 1), null, indicatorObject);
     }
 
     /**
-     * Creates a function that, when executed, will only call the `func`
+     * Creates a function that, when executed, will only call the `func` function
-     * function at most once per every `wait` milliseconds. If the throttled
+     * at most once per every `wait` milliseconds. If the throttled function is
-     * function is invoked more than once during the `wait` timeout, `func` will
+     * invoked more than once during the `wait` timeout, `func` will also be called
-     * also be called on the trailing edge of the timeout. Subsequent calls to the
+     * on the trailing edge of the timeout. Pass an `options` object to indicate
-     * throttled function will return the result of the last `func` call.
+     * that `func` should be invoked on the leading and/or trailing edge of the
+     * `wait` timeout. Subsequent calls to the throttled function will return
+     * the result of the last `func` call.
      *
      * @static
      * @memberOf _
      * @category Functions
      * @param {Function} func The function to throttle.
      * @param {Number} wait The number of milliseconds to throttle executions to.
+     * @param {Object} options The options object.
+     *  [leading=true] A boolean to specify execution on the leading edge of the timeout.
+     *  [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
      * @returns {Function} Returns the new throttled function.
      * @example
      *
      * var throttled = _.throttle(updatePosition, 100);
      * jQuery(window).on('scroll', throttled);
      */
-    function throttle(func, wait) {
+    function throttle(func, wait, options) {
       var args,
           result,
           thisArg,
           timeoutId,
-          lastCalled = 0;
+          lastCalled = 0,
+          leading = true,
+          trailing = true;
 
       function trailingCall() {
         lastCalled = new Date;
         timeoutId = null;
-        result = func.apply(thisArg, args);
+
+        if (trailing) {
+          result = func.apply(thisArg, args);
+        }
+      }
+      if (options === false) {
+        leading = false;
+      } else if (options && objectTypes[typeof options]) {
+        leading = 'leading' in options ? options.leading : leading;
+        trailing = 'trailing' in options ? options.trailing : trailing;
       }
       return function() {
-        var now = new Date,
+        var now = new Date;
-            remaining = wait - (now - lastCalled);
+        if (!timeoutId && !leading) {
-
+          lastCalled = now;
+        }
+        var remaining = wait - (now - lastCalled);
         args = arguments;
         thisArg = this;
 
@@ -4864,9 +4944,6 @@
      * Note: In the development build, `_.template` utilizes sourceURLs for easier
      * debugging. See http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl
      *
-     * Note: Lo-Dash may be used in Chrome extensions by either creating a `lodash csp`
-     * build and using precompiled templates, or loading Lo-Dash in a sandbox.
-     *
      * For more information on precompiling templates see:
      * http://lodash.com/#custom-builds
      *
@@ -4877,7 +4954,7 @@
      * @memberOf _
      * @category Utilities
      * @param {String} text The template text.
-     * @param {Obect} data The data object used to populate the text.
+     * @param {Object} data The data object used to populate the text.
      * @param {Object} options The options object.
      *  escape - The "escape" delimiter regexp.
      *  evaluate - The "evaluate" delimiter regexp.
@@ -5077,7 +5154,7 @@
     }
 
     /**
-     * The opposite of `_.escape`, this method converts the HTML entities
+     * The inverse of `_.escape`, this method converts the HTML entities
      * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to their
      * corresponding characters.
      *
@@ -5230,6 +5307,7 @@
     lodash.toArray = toArray;
     lodash.union = union;
     lodash.uniq = uniq;
+    lodash.unzip = unzip;
     lodash.values = values;
     lodash.where = where;
     lodash.without = without;
@@ -5347,7 +5425,7 @@
      * @memberOf _
      * @type String
      */
-    lodash.VERSION = '1.1.1';
+    lodash.VERSION = '1.2.0';
 
     // add "Chaining" functions to the wrapper
     lodash.prototype.toString = wrapperToString;

dist/lodash.compat.min.js

@@ -1,46 +1,46 @@
 /**
  * @license
- * Lo-Dash 1.1.1 (Custom Build) lodash.com/license
+ * Lo-Dash 1.2.0 (Custom Build) lodash.com/license
  * Build: `lodash -o ./dist/lodash.compat.js`
  * Underscore.js 1.4.4 underscorejs.org/LICENSE
  */
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-E[_]=E[k]=E[w]=E[j]=E[C]=E[x]=E[O]=E[N]=!0;var I={"boolean":!1,"function":!0,object:!0,number:!1,string:!1,undefined:!1},S={"\\":"\\","'":"'","\n":"n","\r":"r","	":"t","\u2028":"u2028","\u2029":"u2029"},A=t();typeof define=="function"&&typeof define.amd=="object"&&define.amd?(n._=A,define(function(){return A})):r&&!r.nodeType?u?(u.exports=A)._=A:r._=A:n._=A})(this);
+return t==u||e&&typeof t!="function"?r:new Q(r)})}),M.VERSION="1.2.0",M.prototype.toString=function(){return Ut(this.__wrapped__)},M.prototype.value=Ft,M.prototype.valueOf=Ft,yt(["join","pop","shift"],function(n){var t=Gt[n];M.prototype[n]=function(){return t.apply(this.__wrapped__,arguments)}}),yt(["push","reverse","sort","unshift"],function(n){var t=Gt[n];M.prototype[n]=function(){return t.apply(this.__wrapped__,arguments),this}}),yt(["concat","slice","splice"],function(n){var t=Gt[n];M.prototype[n]=function(){return new Q(t.apply(this.__wrapped__,arguments))
+}}),M}var e,r=!0,u=null,a=!1,o=typeof exports=="object"&&exports,i=typeof module=="object"&&module&&module.exports==o&&module,f=typeof global=="object"&&global;(f.global===f||f.window===f)&&(n=f);var c=0,l={},p=+new Date+"",s=200,v=/\b__p\+='';/g,g=/\b(__p\+=)''\+/g,y=/(__e\(.*?\)|\b__t\))\+'';/g,h=/&(?:amp|lt|gt|quot|#39);/g,m=/\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g,b=/\w*$/,d=/<%=([\s\S]+?)%>/g,_=/^0+(?=.$)/,k=/($^)/,w=/[&<>"']/g,C=/['\n\r\t\u2028\u2029\\]/g,j="Array Boolean Date Function Math Number Object RegExp String _ attachEvent clearTimeout isFinite isNaN parseInt setImmediate setTimeout".split(" "),x="[object Arguments]",O="[object Array]",N="[object Boolean]",E="[object Date]",I="[object Number]",S="[object Object]",A="[object RegExp]",$="[object String]",B={"[object Function]":a};
+B[x]=B[O]=B[N]=B[E]=B[I]=B[S]=B[A]=B[$]=r;var F={"boolean":a,"function":r,object:r,number:a,string:a,undefined:a},R={"\\":"\\","'":"'","\n":"n","\r":"r","	":"t","\u2028":"u2028","\u2029":"u2029"},T=t();typeof define=="function"&&typeof define.amd=="object"&&define.amd?(n._=T,define(function(){return T})):o&&!o.nodeType?i?(i.exports=T)._=T:o._=T:n._=T})(this);

dist/lodash.underscore.js

@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 1.1.1 (Custom Build) <http://lodash.com/>
+ * Lo-Dash 1.2.0 (Custom Build) <http://lodash.com/>
  * Build: `lodash underscore exports="amd,commonjs,global,node" -o ./dist/lodash.underscore.js`
  * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.4.4 <http://underscorejs.org/>
@@ -18,9 +18,9 @@
   /** Detect free variable `module` */
   var freeModule = typeof module == 'object' && module && module.exports == freeExports && module;
 
-  /** Detect free variable `global` and use it as `window` */
+  /** Detect free variable `global`, from Node.js or Browserified code, and use it as `window` */
   var freeGlobal = typeof global == 'object' && global;
-  if (freeGlobal.global === freeGlobal) {
+  if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
     window = freeGlobal;
   }
 
@@ -30,6 +30,12 @@
   /** Used internally to indicate various things */
   var indicatorObject = {};
 
+  /** Used to prefix keys to avoid issues with `__proto__` and properties on `Object.prototype` */
+  var keyPrefix = +new Date + '';
+
+  /** Used as the size when optimizations are enabled for large arrays */
+  var largeArraySize = 200;
+
   /** Used to match empty string literals in compiled template source */
   var reEmptyStringLeading = /\b__p \+= '';/g,
       reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
@@ -118,18 +124,18 @@
       hasOwnProperty = objectRef.hasOwnProperty,
       push = arrayRef.push,
       setTimeout = window.setTimeout,
-      slice = arrayRef.slice,
       toString = objectRef.toString;
 
   /* Native method shortcuts for methods with the same name as other `lodash` methods */
-  var nativeBind = reNative.test(nativeBind = slice.bind) && nativeBind,
+  var nativeBind = reNative.test(nativeBind = toString.bind) && nativeBind,
       nativeIsArray = reNative.test(nativeIsArray = Array.isArray) && nativeIsArray,
       nativeIsFinite = window.isFinite,
       nativeIsNaN = window.isNaN,
       nativeKeys = reNative.test(nativeKeys = Object.keys) && nativeKeys,
       nativeMax = Math.max,
       nativeMin = Math.min,
-      nativeRandom = Math.random;
+      nativeRandom = Math.random,
+      nativeSlice = arrayRef.slice;
 
   /** Detect various environments */
   var isIeOpera = reNative.test(window.attachEvent),
@@ -138,7 +144,7 @@
   /*--------------------------------------------------------------------------*/
 
   /**
-   * Creates a `lodash` object, that wraps the given `value`, to enable method
+   * Creates a `lodash` object, which wraps the given `value`, to enable method
    * chaining.
    *
    * In addition to Lo-Dash methods, wrappers also have the following `Array` methods:
@@ -156,8 +162,8 @@
    * `invoke`, `keys`, `map`, `max`, `memoize`, `merge`, `min`, `object`, `omit`,
    * `once`, `pairs`, `partial`, `partialRight`, `pick`, `pluck`, `push`, `range`,
    * `reject`, `rest`, `reverse`, `shuffle`, `slice`, `sort`, `sortBy`, `splice`,
-   * `tap`, `throttle`, `times`, `toArray`, `union`, `uniq`, `unshift`, `values`,
+   * `tap`, `throttle`, `times`, `toArray`, `union`, `uniq`, `unshift`, `unzip`,
-   * `where`, `without`, `wrap`, and `zip`
+   * `values`, `where`, `without`, `wrap`, and `zip`
    *
    * The non-chainable wrapper functions are:
    * `clone`, `cloneDeep`, `contains`, `escape`, `every`, `find`, `has`,
@@ -176,6 +182,26 @@
    * @category Chaining
    * @param {Mixed} value The value to wrap in a `lodash` instance.
    * @returns {Object} Returns a `lodash` instance.
+   * @example
+   *
+   * var wrapped = _([1, 2, 3]);
+   *
+   * // returns an unwrapped value
+   * wrapped.reduce(function(sum, num) {
+   *   return sum + num;
+   * });
+   * // => 6
+   *
+   * // returns a wrapped value
+   * var squares = wrapped.map(function(num) {
+   *   return num * num;
+   * });
+   *
+   * _.isArray(squares);
+   * // => false
+   *
+   * _.isArray(squares.value());
+   * // => true
    */
   function lodash(value) {
     return (value instanceof lodash)
@@ -196,12 +222,12 @@
     var object = { '0': 1, 'length': 1 };
 
     /**
-     * Detect if `arguments` objects are `Object` objects (all but Opera < 10.5).
+     * Detect if `arguments` objects are `Object` objects (all but Narwhal and Opera < 10.5).
      *
      * @memberOf _.support
      * @type Boolean
      */
-    support.argsObject = arguments.constructor == Object;
+    support.argsObject = arguments.constructor == Object && !(arguments instanceof Array);
 
     /**
      * Detect if `Function#bind` exists and is inferred to be fast (all but V8).
@@ -354,7 +380,7 @@
       }
       if (partialArgs.length) {
         args = args.length
-          ? (args = slice.call(args), rightIndicator ? args.concat(partialArgs) : partialArgs.concat(args))
+          ? (args = nativeSlice.call(args), rightIndicator ? args.concat(partialArgs) : partialArgs.concat(args))
           : partialArgs;
       }
       if (this instanceof bound) {
@@ -458,29 +484,7 @@
   }
 
   /**
-   * Checks if `value` is an array.
+   * A fallback implementation of `Object.keys` which produces an array of the
-   *
-   * @static
-   * @memberOf _
-   * @category Objects
-   * @param {Mixed} value The value to check.
-   * @returns {Boolean} Returns `true`, if the `value` is an array, else `false`.
-   * @example
-   *
-   * (function() { return _.isArray(arguments); })();
-   * // => false
-   *
-   * _.isArray([1, 2, 3]);
-   * // => true
-   */
-  var isArray = nativeIsArray || function(value) {
-    // `instanceof` may cause a memory leak in IE 7 if `value` is a host object
-    // http://ajaxian.com/archives/working-aroung-the-instanceof-memory-leak
-    return (support.argsObject && value instanceof Array) || toString.call(value) == arrayClass;
-  };
-
-  /**
-   * A fallback implementation of `Object.keys` that produces an array of the
    * given object's own enumerable property names.
    *
    * @private
@@ -631,7 +635,7 @@
    */
   function clone(value) {
     return isObject(value)
-      ? (isArray(value) ? slice.call(value) : assign({}, value))
+      ? (isArray(value) ? nativeSlice.call(value) : assign({}, value))
       : value;
   }
 
@@ -816,6 +820,26 @@
     return result;
   }
 
+  /**
+   * Checks if `value` is an array.
+   *
+   * @static
+   * @memberOf _
+   * @category Objects
+   * @param {Mixed} value The value to check.
+   * @returns {Boolean} Returns `true`, if the `value` is an array, else `false`.
+   * @example
+   *
+   * (function() { return _.isArray(arguments); })();
+   * // => false
+   *
+   * _.isArray([1, 2, 3]);
+   * // => true
+   */
+  var isArray = nativeIsArray || function(value) {
+    return toString.call(value) == arrayClass;
+  };
+
   /**
    * Checks if `value` is a boolean value.
    *
@@ -847,7 +871,7 @@
    * // => true
    */
   function isDate(value) {
-    return value instanceof Date || toString.call(value) == dateClass;
+    return toString.call(value) == dateClass;
   }
 
   /**
@@ -1092,7 +1116,7 @@
   // fallback for older versions of Chrome and Safari
   if (isFunction(/x/)) {
     isFunction = function(value) {
-      return value instanceof Function || toString.call(value) == funcClass;
+      return toString.call(value) == funcClass;
     };
   }
 
@@ -1206,7 +1230,7 @@
    * // => true
    */
   function isRegExp(value) {
-    return value instanceof RegExp || toString.call(value) == regexpClass;
+    return toString.call(value) == regexpClass;
   }
 
   /**
@@ -1270,11 +1294,11 @@
    * // => { 'name': 'moe' }
    */
   function omit(object) {
-    var props = concat.apply(arrayRef, arguments),
+    var props = concat.apply(arrayRef, nativeSlice.call(arguments, 1)),
         result = {};
 
     forIn(object, function(value, key) {
-      if (indexOf(props, key, 1) < 0) {
+      if (indexOf(props, key) < 0) {
         result[key] = value;
       }
     });
@@ -1334,8 +1358,8 @@
    * // => { 'name': 'moe' }
    */
   function pick(object) {
-    var index = 0,
+    var index = -1,
-        props = concat.apply(arrayRef, arguments),
+        props = concat.apply(arrayRef, nativeSlice.call(arguments, 1)),
         length = props.length,
         result = {};
 
@@ -1609,7 +1633,9 @@
    * @returns {Mixed} Returns the found element, else `undefined`.
    * @example
    *
-   * _.find([1, 2, 3, 4], function(num) { return num % 2 == 0; });
+   * _.find([1, 2, 3, 4], function(num) {
+   *   return num % 2 == 0;
+   * });
    * // => 2
    *
    * var food = [
@@ -1651,6 +1677,29 @@
     }
   }
 
+  /**
+   * Examines each element in a `collection`, returning the first that
+   * has the given `properties`. When checking `properties`, this method
+   * performs a deep comparison between values to determine if they are
+   * equivalent to each other.
+   *
+   * @static
+   * @memberOf _
+   * @category Collections
+   * @param {Array|Object|String} collection The collection to iterate over.
+   * @param {Object} properties The object of property values to filter by.
+   * @returns {Mixed} Returns the found element, else `undefined`.
+   * @example
+   *
+   * var food = [
+   *   { 'name': 'apple',  'organic': false, 'type': 'fruit' },
+   *   { 'name': 'banana', 'organic': true,  'type': 'fruit' },
+   *   { 'name': 'beet',   'organic': false, 'type': 'vegetable' }
+   * ];
+   *
+   * _.findWhere(food, { 'type': 'vegetable' });
+   * // => { 'name': 'beet', 'organic': false, 'type': 'vegetable' }
+   */
   function findWhere(object, properties) {
     return where(object, properties, true);
   }
@@ -1761,7 +1810,7 @@
    * // => [['1', '2', '3'], ['4', '5', '6']]
    */
   function invoke(collection, methodName) {
-    var args = slice.call(arguments, 2),
+    var args = nativeSlice.call(arguments, 2),
         index = -1,
         isFunc = typeof methodName == 'function',
         length = collection ? collection.length : 0,
@@ -1999,7 +2048,7 @@
   }
 
   /**
-   * Reduces a `collection` to a value that is the accumulated result of running
+   * Reduces a `collection` to a value which is the accumulated result of running
    * each element in the `collection` through the `callback`, where each successive
    * `callback` execution consumes the return value of the previous execution.
    * If `accumulator` is not passed, the first element of the `collection` will be
@@ -2324,7 +2373,7 @@
    */
   function toArray(collection) {
     if (isArray(collection)) {
-      return slice.call(collection);
+      return nativeSlice.call(collection);
     }
     if (collection && typeof collection.length == 'number') {
       return map(collection);
@@ -2410,12 +2459,12 @@
   function difference(array) {
     var index = -1,
         length = array.length,
-        flattened = concat.apply(arrayRef, arguments),
+        flattened = concat.apply(arrayRef, nativeSlice.call(arguments, 1)),
         result = [];
 
     while (++index < length) {
       var value = array[index];
-      if (indexOf(flattened, value, length) < 0) {
+      if (indexOf(flattened, value) < 0) {
         result.push(value);
       }
     }
@@ -2496,7 +2545,7 @@
           return array[0];
         }
       }
-      return slice.call(array, 0, nativeMin(nativeMax(0, n), length));
+      return nativeSlice.call(array, 0, nativeMin(nativeMax(0, n), length));
     }
   }
 
@@ -2517,7 +2566,7 @@
    * @static
    * @memberOf _
    * @category Arrays
-   * @param {Array} array The array to compact.
+   * @param {Array} array The array to flatten.
    * @param {Boolean} [isShallow=false] A flag to indicate only flattening a single level.
    * @param {Function|Object|String} [callback=identity] The function called per
    *  iteration. If a property name or object is passed, it will be used to create
@@ -2671,7 +2720,7 @@
     } else {
       n = (callback == null || thisArg) ? 1 : callback || n;
     }
-    return slice.call(array, 0, nativeMin(nativeMax(0, length - n), length));
+    return nativeSlice.call(array, 0, nativeMin(nativeMax(0, length - n), length));
   }
 
   /**
@@ -2786,7 +2835,7 @@
           return array[length - 1];
         }
       }
-      return slice.call(array, nativeMax(0, length - n));
+      return nativeSlice.call(array, nativeMax(0, length - n));
     }
   }
 
@@ -2943,7 +2992,7 @@
     } else {
       n = (callback == null || thisArg) ? 1 : nativeMax(0, callback);
     }
-    return slice.call(array, n);
+    return nativeSlice.call(array, n);
   }
 
   /**
@@ -2963,7 +3012,7 @@
    * @static
    * @memberOf _
    * @category Arrays
-   * @param {Array} array The array to iterate over.
+   * @param {Array} array The array to inspect.
    * @param {Mixed} value The value to evaluate.
    * @param {Function|Object|String} [callback=identity] The function called per
    *  iteration. If a property name or object is passed, it will be used to create
@@ -3026,7 +3075,10 @@
    * _.union([1, 2, 3], [101, 2, 1, 10], [2, 1]);
    * // => [1, 2, 3, 101, 10]
    */
-  function union() {
+  function union(array) {
+    if (!isArray(array)) {
+      arguments[0] = array ? nativeSlice.call(array) : arrayRef;
+    }
     return uniq(concat.apply(arrayRef, arguments));
   }
 
@@ -3121,17 +3173,7 @@
    * // => [2, 3, 4]
    */
   function without(array) {
-    var index = -1,
+    return difference(array, nativeSlice.call(arguments, 1));
-        length = array.length,
-        result = [];
-
-    while (++index < length) {
-      var value = array[index];
-      if (indexOf(arguments, value, 1) < 0) {
-        result.push(value);
-      }
-    }
-    return result
   }
 
   /**
@@ -3257,7 +3299,7 @@
     // (in V8 `Function#bind` is slower except when partially applied)
     return support.fastBind || (nativeBind && arguments.length > 2)
       ? nativeBind.call.apply(nativeBind, arguments)
-      : createBound(func, thisArg, slice.call(arguments, 2));
+      : createBound(func, thisArg, nativeSlice.call(arguments, 2));
   }
 
   /**
@@ -3284,8 +3326,8 @@
    * // => alerts 'clicked docs', when the button is clicked
    */
   function bindAll(object) {
-    var funcs = concat.apply(arrayRef, arguments),
+    var funcs = arguments.length > 1 ? concat.apply(arrayRef, nativeSlice.call(arguments, 1)) : functions(object),
-        index = funcs.length > 1 ? 0 : (funcs = functions(object), -1),
+        index = -1,
         length = funcs.length;
 
     while (++index < length) {
@@ -3422,17 +3464,18 @@
   /**
    * Creates a function that will delay the execution of `func` until after
    * `wait` milliseconds have elapsed since the last time it was invoked. Pass
-   * `true` for `immediate` to cause debounce to invoke `func` on the leading,
+   * an `options` object to indicate that `func` should be invoked on the leading
-   * instead of the trailing, edge of the `wait` timeout. Subsequent calls to
+   * and/or trailing edge of the `wait` timeout. Subsequent calls to the debounced
-   * the debounced function will return the result of the last `func` call.
+   * function will return the result of the last `func` call.
    *
    * @static
    * @memberOf _
    * @category Functions
    * @param {Function} func The function to debounce.
    * @param {Number} wait The number of milliseconds to delay.
-   * @param {Boolean} immediate A flag to indicate execution is on the leading
+   * @param {Object} options The options object.
-   *  edge of the timeout.
+   *  [leading=false] A boolean to specify execution on the leading edge of the timeout.
+   *  [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
    * @returns {Function} Returns the new debounced function.
    * @example
    *
@@ -3482,7 +3525,7 @@
    * // returns from the function before `alert` is called
    */
   function defer(func) {
-    var args = slice.call(arguments, 1);
+    var args = nativeSlice.call(arguments, 1);
     return setTimeout(function() { func.apply(undefined, args); }, 1);
   }
 
@@ -3504,7 +3547,7 @@
    * // => 'logged later' (Appears after one second.)
    */
   function delay(func, wait) {
-    var args = slice.call(arguments, 2);
+    var args = nativeSlice.call(arguments, 2);
     return setTimeout(function() { func.apply(undefined, args); }, wait);
   }
 
@@ -3530,7 +3573,7 @@
   function memoize(func, resolver) {
     var cache = {};
     return function() {
-      var key = String(resolver ? resolver.apply(this, arguments) : arguments[0]);
+      var key = keyPrefix + (resolver ? resolver.apply(this, arguments) : arguments[0]);
       return hasOwnProperty.call(cache, key)
         ? cache[key]
         : (cache[key] = func.apply(this, arguments));
@@ -3590,21 +3633,26 @@
    * // => 'hi moe'
    */
   function partial(func) {
-    return createBound(func, slice.call(arguments, 1));
+    return createBound(func, nativeSlice.call(arguments, 1));
   }
 
   /**
-   * Creates a function that, when executed, will only call the `func`
+   * Creates a function that, when executed, will only call the `func` function
-   * function at most once per every `wait` milliseconds. If the throttled
+   * at most once per every `wait` milliseconds. If the throttled function is
-   * function is invoked more than once during the `wait` timeout, `func` will
+   * invoked more than once during the `wait` timeout, `func` will also be called
-   * also be called on the trailing edge of the timeout. Subsequent calls to the
+   * on the trailing edge of the timeout. Pass an `options` object to indicate
-   * throttled function will return the result of the last `func` call.
+   * that `func` should be invoked on the leading and/or trailing edge of the
+   * `wait` timeout. Subsequent calls to the throttled function will return
+   * the result of the last `func` call.
    *
    * @static
    * @memberOf _
    * @category Functions
    * @param {Function} func The function to throttle.
    * @param {Number} wait The number of milliseconds to throttle executions to.
+   * @param {Object} options The options object.
+   *  [leading=true] A boolean to specify execution on the leading edge of the timeout.
+   *  [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
    * @returns {Function} Returns the new throttled function.
    * @example
    *
@@ -3836,9 +3884,6 @@
    * Note: In the development build, `_.template` utilizes sourceURLs for easier
    * debugging. See http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl
    *
-   * Note: Lo-Dash may be used in Chrome extensions by either creating a `lodash csp`
-   * build and using precompiled templates, or loading Lo-Dash in a sandbox.
-   *
    * For more information on precompiling templates see:
    * http://lodash.com/#custom-builds
    *
@@ -3849,7 +3894,7 @@
    * @memberOf _
    * @category Utilities
    * @param {String} text The template text.
-   * @param {Obect} data The data object used to populate the text.
+   * @param {Object} data The data object used to populate the text.
    * @param {Object} options The options object.
    *  escape - The "escape" delimiter regexp.
    *  evaluate - The "evaluate" delimiter regexp.
@@ -3998,7 +4043,7 @@
   }
 
   /**
-   * The opposite of `_.escape`, this method converts the HTML entities
+   * The inverse of `_.escape`, this method converts the HTML entities
    * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to their
    * corresponding characters.
    *
@@ -4280,7 +4325,7 @@
    * @memberOf _
    * @type String
    */
-  lodash.VERSION = '1.1.1';
+  lodash.VERSION = '1.2.0';
 
   // add functions to `lodash.prototype`
   mixin(lodash);
@@ -4289,36 +4334,36 @@
   lodash.prototype.chain = wrapperChain;
   lodash.prototype.value = wrapperValueOf;
 
-  // add `Array` mutator functions to the wrapper
+    // add `Array` mutator functions to the wrapper
-  forEach(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
+    forEach(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
-    var func = arrayRef[methodName];
+      var func = arrayRef[methodName];
-    lodash.prototype[methodName] = function() {
+      lodash.prototype[methodName] = function() {
-      var value = this.__wrapped__;
+        var value = this.__wrapped__;
-      func.apply(value, arguments);
+        func.apply(value, arguments);
 
-      // avoid array-like object bugs with `Array#shift` and `Array#splice`
+        // avoid array-like object bugs with `Array#shift` and `Array#splice`
-      // in Firefox < 10 and IE < 9
+        // in Firefox < 10 and IE < 9
-      if (!support.spliceObjects && value.length === 0) {
+        if (!support.spliceObjects && value.length === 0) {
-        delete value[0];
+          delete value[0];
-      }
+        }
-      return this;
+        return this;
-    };
+      };
-  });
+    });
 
-  // add `Array` accessor functions to the wrapper
+    // add `Array` accessor functions to the wrapper
-  forEach(['concat', 'join', 'slice'], function(methodName) {
+    forEach(['concat', 'join', 'slice'], function(methodName) {
-    var func = arrayRef[methodName];
+      var func = arrayRef[methodName];
-    lodash.prototype[methodName] = function() {
+      lodash.prototype[methodName] = function() {
-      var value = this.__wrapped__,
+        var value = this.__wrapped__,
-          result = func.apply(value, arguments);
+            result = func.apply(value, arguments);
 
-      if (this.__chain__) {
+        if (this.__chain__) {
-        result = new lodashWrapper(result);
+          result = new lodashWrapper(result);
-        result.__chain__ = true;
+          result.__chain__ = true;
-      }
+        }
-      return result;
+        return result;
-    };
+      };
-  });
+    });
 
   /*--------------------------------------------------------------------------*/
 

dist/lodash.underscore.min.js

@@ -1,34 +1,34 @@
 /**
  * @license
- * Lo-Dash 1.1.1 (Custom Build) lodash.com/license
+ * Lo-Dash 1.2.0 (Custom Build) lodash.com/license
  * Build: `lodash underscore exports="amd,commonjs,global,node" -o ./dist/lodash.underscore.js`
  * Underscore.js 1.4.4 underscorejs.org/LICENSE
  */
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+return-1},r.mixin=V,r.noConflict=function(){return n._=pr,this},r.random=function(n,r){return null==n&&null==r&&(r=1),n=+n||0,null==r&&(r=n,n=0),n+yr(Nr()*((+r||0)-n+1))},r.reduce=B,r.reduceRight=k,r.result=function(n,r){var t=n?n[r]:null;return y(t)?n[r]():t},r.size=function(n){var r=n?n.length:0;return typeof r=="number"?r:Fr(n).length},r.some=q,r.sortedIndex=I,r.template=function(n,t,e){n||(n=""),e=p({},e,r.templateSettings);var o=0,i="__p+='",a=e.variable;n.replace(RegExp((e.escape||X).source+"|"+(e.interpolate||X).source+"|"+(e.evaluate||X).source+"|$","g"),function(r,t,e,a,f){return i+=n.slice(o,f).replace(Z,u),t&&(i+="'+_['escape']("+t+")+'"),a&&(i+="';"+a+";__p+='"),e&&(i+="'+((__t=("+e+"))==null?'':__t)+'"),o=f+r.length,r
-}),o+="';\n",i||(i="obj",o="with("+i+"||{}){"+o+"}"),o="function("+i+"){var __t,__p='',__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}"+o+"return __p}";try{var f=Function("_","return "+o)(u)}catch(c){throw c.source=o,c}return t?f(t):(f.source=o,f)},u.unescape=function(n){return n==J?"":(n+"").replace(nt,p)},u.uniqueId=function(n){var t=++Y+"";return n?n+t:t},u.all=O,u.any=D,u.detect=S,u.foldl=R,u.foldr=q,u.include=x,u.inject=R,u.first=T,u.last=function(n,t,r){if(n){var e=0,u=n.length;
+}),i+="';\n",a||(a="obj",i="with("+a+"||{}){"+i+"}"),i="function("+a+"){var __t,__p='',__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}"+i+"return __p}";try{var f=Function("_","return "+i)(r)}catch(l){throw l.source=i,l}return t?f(t):(f.source=i,f)},r.unescape=function(n){return null==n?"":(n+"").replace(Q,f)},r.uniqueId=function(n){var r=++J+"";return n?n+r:r},r.all=w,r.any=q,r.detect=x,r.foldl=B,r.foldr=k,r.include=j,r.inject=B,r.first=D,r.last=function(n,r,t){if(n){var e=0,u=n.length;
-if(typeof t!="number"&&t!=J){var o=u;for(t=V(t,r);o--&&t(n[o],o,n);)e++}else if(e=t,e==J||r)return n[u-1];return xt.call(n,Ft(0,u-e))}},u.take=T,u.head=T,u.chain=function(n){return n=new c(n),n.__chain__=H,n},u.VERSION="1.1.1",G(u),u.prototype.chain=function(){return this.__chain__=H,this},u.prototype.value=function(){return this.__wrapped__},N("pop push reverse shift sort splice unshift".split(" "),function(n){var t=gt[n];u.prototype[n]=function(){var n=this.__wrapped__;return t.apply(n,arguments),!Mt.spliceObjects&&0===n.length&&delete n[0],this
+if(typeof r!="number"&&null!=r){var o=u;for(r=P(r,t);o--&&r(n[o],o,n);)e++}else if(e=r,null==e||t)return n[u-1];return Br.call(n,Er(0,u-e))}},r.take=D,r.head=D,r.chain=function(n){return n=new i(n),n.__chain__=!0,n},r.VERSION="1.2.0",V(r),r.prototype.chain=function(){return this.__chain__=!0,this},r.prototype.value=function(){return this.__wrapped__},O("pop push reverse shift sort splice unshift".split(" "),function(n){var t=cr[n];r.prototype[n]=function(){var n=this.__wrapped__;return t.apply(n,arguments),!qr.spliceObjects&&0===n.length&&delete n[0],this
-}}),N(["concat","join","slice"],function(n){var t=gt[n];u.prototype[n]=function(){var n=t.apply(this.__wrapped__,arguments);return this.__chain__&&(n=new c(n),n.__chain__=H),n}}),typeof define=="function"&&typeof define.amd=="object"&&define.amd?(n._=u,define(function(){return u})):L&&!L.nodeType?Q?(Q.exports=u)._=u:L._=u:n._=u})(this);
+}}),O(["concat","join","slice"],function(n){var t=cr[n];r.prototype[n]=function(){var n=t.apply(this.__wrapped__,arguments);return this.__chain__&&(n=new i(n),n.__chain__=!0),n}}),typeof define=="function"&&typeof define.amd=="object"&&define.amd?(n._=r,define(function(){return r})):W&&!W.nodeType?G?(G.exports=r)._=r:W._=r:n._=r})(this);

doc/parse.php

@@ -21,9 +21,9 @@
   // generate Markdown
   $markdown = docdown(array(
     'path'  => '../' . $file,
-    'title' => 'Lo-Dash <sup>v1.1.1</sup>',
+    'title' => 'Lo-Dash <sup>v1.2.0</sup>',
     'toc'   => 'categories',
-    'url'   => 'https://github.com/bestiejs/lodash/blob/master/lodash.js'
+    'url'   => 'https://github.com/lodash/lodash/blob/1.2.0/lodash.js'
   ));
 
   // save to a .md file
@@ -33,4 +33,4 @@
   header('Content-Type: text/plain;charset=utf-8');
   echo $markdown . PHP_EOL;
 
-?>
+?>

lodash.js

@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 1.1.1 <http://lodash.com/>
+ * Lo-Dash 1.2.0 <http://lodash.com/>
  * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.4.4 <http://underscorejs.org/>
  * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud Inc.
@@ -17,9 +17,9 @@
   /** Detect free variable `module` */
   var freeModule = typeof module == 'object' && module && module.exports == freeExports && module;
 
-  /** Detect free variable `global` and use it as `window` */
+  /** Detect free variable `global`, from Node.js or Browserified code, and use it as `window` */
   var freeGlobal = typeof global == 'object' && global;
-  if (freeGlobal.global === freeGlobal) {
+  if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
     window = freeGlobal;
   }
 
@@ -29,6 +29,12 @@
   /** Used internally to indicate various things */
   var indicatorObject = {};
 
+  /** Used to prefix keys to avoid issues with `__proto__` and properties on `Object.prototype` */
+  var keyPrefix = +new Date + '';
+
+  /** Used as the size when optimizations are enabled for large arrays */
+  var largeArraySize = 200;
+
   /** Used to match empty string literals in compiled template source */
   var reEmptyStringLeading = /\b__p \+= '';/g,
       reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
@@ -174,7 +180,7 @@
         toString = objectRef.toString;
 
     /* Native method shortcuts for methods with the same name as other `lodash` methods */
-    var nativeBind = reNative.test(nativeBind = slice.bind) && nativeBind,
+    var nativeBind = reNative.test(nativeBind = toString.bind) && nativeBind,
         nativeIsArray = reNative.test(nativeIsArray = Array.isArray) && nativeIsArray,
         nativeIsFinite = context.isFinite,
         nativeIsNaN = context.isNaN,
@@ -182,7 +188,8 @@
         nativeMax = Math.max,
         nativeMin = Math.min,
         nativeParseInt = context.parseInt,
-        nativeRandom = Math.random;
+        nativeRandom = Math.random,
+        nativeSlice = arrayRef.slice;
 
     /** Detect various environments */
     var isIeOpera = reNative.test(context.attachEvent),
@@ -201,7 +208,7 @@
     /*--------------------------------------------------------------------------*/
 
     /**
-     * Creates a `lodash` object, that wraps the given `value`, to enable method
+     * Creates a `lodash` object, which wraps the given `value`, to enable method
      * chaining.
      *
      * In addition to Lo-Dash methods, wrappers also have the following `Array` methods:
@@ -219,8 +226,8 @@
      * `invoke`, `keys`, `map`, `max`, `memoize`, `merge`, `min`, `object`, `omit`,
      * `once`, `pairs`, `partial`, `partialRight`, `pick`, `pluck`, `push`, `range`,
      * `reject`, `rest`, `reverse`, `shuffle`, `slice`, `sort`, `sortBy`, `splice`,
-     * `tap`, `throttle`, `times`, `toArray`, `union`, `uniq`, `unshift`, `values`,
+     * `tap`, `throttle`, `times`, `toArray`, `union`, `uniq`, `unshift`, `unzip`,
-     * `where`, `without`, `wrap`, and `zip`
+     * `values`, `where`, `without`, `wrap`, and `zip`
      *
      * The non-chainable wrapper functions are:
      * `clone`, `cloneDeep`, `contains`, `escape`, `every`, `find`, `has`,
@@ -239,6 +246,26 @@
      * @category Chaining
      * @param {Mixed} value The value to wrap in a `lodash` instance.
      * @returns {Object} Returns a `lodash` instance.
+     * @example
+     *
+     * var wrapped = _([1, 2, 3]);
+     *
+     * // returns an unwrapped value
+     * wrapped.reduce(function(sum, num) {
+     *   return sum + num;
+     * });
+     * // => 6
+     *
+     * // returns a wrapped value
+     * var squares = wrapped.map(function(num) {
+     *   return num * num;
+     * });
+     *
+     * _.isArray(squares);
+     * // => false
+     *
+     * _.isArray(squares.value());
+     * // => true
      */
     function lodash(value) {
       // don't wrap if already wrapped, even if wrapped by a different `lodash` constructor
@@ -266,12 +293,12 @@
       for (prop in arguments) { }
 
       /**
-       * Detect if `arguments` objects are `Object` objects (all but Opera < 10.5).
+       * Detect if `arguments` objects are `Object` objects (all but Narwhal and Opera < 10.5).
        *
        * @memberOf _.support
        * @type Boolean
        */
-      support.argsObject = arguments.constructor == Object;
+      support.argsObject = arguments.constructor == Object && !(arguments instanceof Array);
 
       /**
        * Detect if an `arguments` object's [[Class]] is resolvable (all but Firefox < 4, IE < 9).
@@ -437,7 +464,7 @@
      * The template used to create iterator functions.
      *
      * @private
-     * @param {Obect} data The data object used to populate the text.
+     * @param {Object} data The data object used to populate the text.
      * @returns {String} Returns the interpolated text.
      */
     var iteratorTemplate = template(
@@ -573,31 +600,27 @@
      * @private
      * @param {Array} array The array to search.
      * @param {Mixed} value The value to search for.
-     * @param {Number} fromIndex The index to search from.
-     * @param {Number} largeSize The length at which an array is considered large.
      * @returns {Boolean} Returns `true`, if `value` is found, else `false`.
      */
-    function cachedContains(array, fromIndex, largeSize) {
+    function cachedContains(array) {
       var length = array.length,
-          isLarge = (length - fromIndex) >= largeSize;
+          isLarge = length >= largeArraySize;
 
       if (isLarge) {
         var cache = {},
-            index = fromIndex - 1;
+            index = -1;
 
         while (++index < length) {
-          // manually coerce `value` to a string because `hasOwnProperty`, in some
+          var key = keyPrefix + array[index];
-          // older versions of Firefox, coerces objects incorrectly
+          (cache[key] || (cache[key] = [])).push(array[index]);
-          var key = String(array[index]);
-          (hasOwnProperty.call(cache, key) ? cache[key] : (cache[key] = [])).push(array[index]);
         }
       }
       return function(value) {
         if (isLarge) {
-          var key = String(value);
+          var key = keyPrefix + value;
-          return hasOwnProperty.call(cache, key) && indexOf(cache[key], value) > -1;
+          return  cache[key] && indexOf(cache[key], value) > -1;
         }
-        return indexOf(array, value, fromIndex) > -1;
+        return indexOf(array, value) > -1;
       }
     }
 
@@ -683,7 +706,7 @@
         }
         if (partialArgs.length) {
           args = args.length
-            ? (args = slice(args), rightIndicator ? args.concat(partialArgs) : partialArgs.concat(args))
+            ? (args = nativeSlice.call(args), rightIndicator ? args.concat(partialArgs) : partialArgs.concat(args))
             : partialArgs;
         }
         if (this instanceof bound) {
@@ -709,6 +732,7 @@
      * @param {Object} [options1, options2, ...] The compile options object(s).
      *  arrays - A string of code to determine if the iterable is an array or array-like.
      *  useHas - A boolean to specify using `hasOwnProperty` checks in the object loop.
+     *  useKeys - A boolean to specify using `_.keys` for own property iteration.
      *  args - A string of comma separated arguments the iteration function will accept.
      *  top - A string of code to execute before the iteration branches.
      *  loop - A string of code to execute in the object loop.
@@ -812,7 +836,7 @@
     }
 
     /**
-     * A fallback implementation of `isPlainObject` that checks if a given `value`
+     * A fallback implementation of `isPlainObject` which checks if a given `value`
      * is an object created by the `Object` constructor, assuming objects created
      * by the `Object` constructor have no inherited enumerable properties and that
      * there are no `Object.prototype` extensions.
@@ -920,29 +944,7 @@
     }
 
     /**
-     * Checks if `value` is an array.
+     * A fallback implementation of `Object.keys` which produces an array of the
-     *
-     * @static
-     * @memberOf _
-     * @category Objects
-     * @param {Mixed} value The value to check.
-     * @returns {Boolean} Returns `true`, if the `value` is an array, else `false`.
-     * @example
-     *
-     * (function() { return _.isArray(arguments); })();
-     * // => false
-     *
-     * _.isArray([1, 2, 3]);
-     * // => true
-     */
-    var isArray = nativeIsArray || function(value) {
-      // `instanceof` may cause a memory leak in IE 7 if `value` is a host object
-      // http://ajaxian.com/archives/working-aroung-the-instanceof-memory-leak
-      return (support.argsObject && value instanceof Array) || toString.call(value) == arrayClass;
-    };
-
-    /**
-     * A fallback implementation of `Object.keys` that produces an array of the
      * given object's own enumerable property names.
      *
      * @private
@@ -1263,7 +1265,7 @@
      * @static
      * @memberOf _
      * @category Objects
-     * @param {Array|Object|String} collection The collection to iterate over.
+     * @param {Object} object The object to search.
      * @param {Function|Object|String} [callback=identity] The function called per
      *  iteration. If a property name or object is passed, it will be used to create
      *  a "_.pluck" or "_.where" style callback, respectively.
@@ -1271,14 +1273,16 @@
      * @returns {Mixed} Returns the key of the found element, else `undefined`.
      * @example
      *
-     * _.findKey({ 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, function(num) { return num % 2 == 0; });
+     * _.findKey({ 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, function(num) {
+     *   return num % 2 == 0;
+     * });
      * // => 'b'
      */
-    function findKey(collection, callback, thisArg) {
+    function findKey(object, callback, thisArg) {
       var result;
       callback = lodash.createCallback(callback, thisArg);
-      forOwn(collection, function(value, key, collection) {
+      forOwn(object, function(value, key, object) {
-        if (callback(value, key, collection)) {
+        if (callback(value, key, object)) {
           result = key;
           return false;
         }
@@ -1412,6 +1416,29 @@
       return result;
     }
 
+    /**
+     * Checks if `value` is an array.
+     *
+     * @static
+     * @memberOf _
+     * @category Objects
+     * @param {Mixed} value The value to check.
+     * @returns {Boolean} Returns `true`, if the `value` is an array, else `false`.
+     * @example
+     *
+     * (function() { return _.isArray(arguments); })();
+     * // => false
+     *
+     * _.isArray([1, 2, 3]);
+     * // => true
+     */
+    function isArray(value) {
+      // `instanceof` may cause a memory leak in IE 7 if `value` is a host object
+      // http://ajaxian.com/archives/working-aroung-the-instanceof-memory-leak
+      return (support.argsObject && value instanceof Array) ||
+        (nativeIsArray ? nativeIsArray(value) : toString.call(value) == arrayClass);
+    }
+
     /**
      * Checks if `value` is a boolean value.
      *
@@ -1546,11 +1573,8 @@
     function isEqual(a, b, callback, thisArg, stackA, stackB) {
       // used to indicate that when comparing objects, `a` has at least the properties of `b`
       var whereIndicator = callback === indicatorObject;
-      if (callback && !whereIndicator) {
+      if (typeof callback == 'function' && !whereIndicator) {
-        callback = (typeof thisArg == 'undefined')
+        callback = lodash.createCallback(callback, thisArg, 2);
-          ? callback
-          : lodash.createCallback(callback, thisArg, 2);
-
         var result = callback(a, b);
         if (typeof result != 'undefined') {
           return !!result;
@@ -2036,22 +2060,24 @@
               }
             }
             if (!found) {
-              value = isArr
+              var isShallow;
-                ? (isArray(value) ? value : [])
-                : (isPlainObject(value) ? value : {});
-
               if (callback) {
                 result = callback(value, source);
-                if (typeof result != 'undefined') {
+                if ((isShallow = typeof result != 'undefined')) {
                   value = result;
                 }
               }
+              if (!isShallow) {
+                value = isArr
+                  ? (isArray(value) ? value : [])
+                  : (isPlainObject(value) ? value : {});
+              }
               // add `source` and associated `value` to the stack of traversed objects
               stackA.push(source);
               stackB.push(value);
 
               // recursively merge objects and arrays (susceptible to call stack limits)
-              if (!callback) {
+              if (!isShallow) {
                 value = merge(value, source, indicatorObject, callback, stackA, stackB);
               }
             }
@@ -2106,12 +2132,12 @@
       if (isFunc) {
         callback = lodash.createCallback(callback, thisArg);
       } else {
-        var props = concat.apply(arrayRef, arguments);
+        var props = concat.apply(arrayRef, nativeSlice.call(arguments, 1));
       }
       forIn(object, function(value, key, object) {
         if (isFunc
               ? !callback(value, key, object)
-              : indexOf(props, key, 1) < 0
+              : indexOf(props, key) < 0
             ) {
           result[key] = value;
         }
@@ -2174,8 +2200,8 @@
     function pick(object, callback, thisArg) {
       var result = {};
       if (typeof callback != 'function') {
-        var index = 0,
+        var index = -1,
-            props = concat.apply(arrayRef, arguments),
+            props = concat.apply(arrayRef, nativeSlice.call(arguments, 1)),
             length = isObject(object) ? props.length : 0;
 
         while (++index < length) {
@@ -2245,7 +2271,7 @@
      */
     function at(collection) {
       var index = -1,
-          props = concat.apply(arrayRef, slice(arguments, 1)),
+          props = concat.apply(arrayRef, nativeSlice.call(arguments, 1)),
           length = props.length,
           result = Array(length);
 
@@ -2500,7 +2526,9 @@
      * @returns {Mixed} Returns the found element, else `undefined`.
      * @example
      *
-     * _.find([1, 2, 3, 4], function(num) { return num % 2 == 0; });
+     * _.find([1, 2, 3, 4], function(num) {
+     *   return num % 2 == 0;
+     * });
      * // => 2
      *
      * var food = [
@@ -2648,7 +2676,7 @@
      * // => [['1', '2', '3'], ['4', '5', '6']]
      */
     function invoke(collection, methodName) {
-      var args = slice(arguments, 2),
+      var args = nativeSlice.call(arguments, 2),
           index = -1,
           isFunc = typeof methodName == 'function',
           length = collection ? collection.length : 0,
@@ -2878,7 +2906,7 @@
     var pluck = map;
 
     /**
-     * Reduces a `collection` to a value that is the accumulated result of running
+     * Reduces a `collection` to a value which is the accumulated result of running
      * each element in the `collection` through the `callback`, where each successive
      * `callback` execution consumes the return value of the previous execution.
      * If `accumulator` is not passed, the first element of the `collection` will be
@@ -3285,8 +3313,8 @@
     function difference(array) {
       var index = -1,
           length = array ? array.length : 0,
-          flattened = concat.apply(arrayRef, arguments),
+          flattened = concat.apply(arrayRef, nativeSlice.call(arguments, 1)),
-          contains = cachedContains(flattened, length, 100),
+          contains = cachedContains(flattened),
           result = [];
 
       while (++index < length) {
@@ -3305,7 +3333,7 @@
      * @static
      * @memberOf _
      * @category Arrays
-     * @param {Array|Object|String} collection The collection to iterate over.
+     * @param {Array} array The array to search.
      * @param {Function|Object|String} [callback=identity] The function called per
      *  iteration. If a property name or object is passed, it will be used to create
      *  a "_.pluck" or "_.where" style callback, respectively.
@@ -3313,16 +3341,18 @@
      * @returns {Mixed} Returns the index of the found element, else `-1`.
      * @example
      *
-     * _.findIndex(['apple', 'banana', 'beet'], function(food) { return /^b/.test(food); });
+     * _.findIndex(['apple', 'banana', 'beet'], function(food) {
+     *   return /^b/.test(food);
+     * });
      * // => 1
      */
-    function findIndex(collection, callback, thisArg) {
+    function findIndex(array, callback, thisArg) {
       var index = -1,
-          length = collection ? collection.length : 0;
+          length = array ? array.length : 0;
 
       callback = lodash.createCallback(callback, thisArg);
       while (++index < length) {
-        if (callback(collection[index], index, collection)) {
+        if (callback(array[index], index, array)) {
           return index;
         }
       }
@@ -3424,7 +3454,7 @@
      * @static
      * @memberOf _
      * @category Arrays
-     * @param {Array} array The array to compact.
+     * @param {Array} array The array to flatten.
      * @param {Boolean} [isShallow=false] A flag to indicate only flattening a single level.
      * @param {Function|Object|String} [callback=identity] The function called per
      *  iteration. If a property name or object is passed, it will be used to create
@@ -3615,7 +3645,7 @@
           cache = { '0': {} },
           index = -1,
           length = array ? array.length : 0,
-          isLarge = length >= 100,
+          isLarge = length >= largeArraySize,
           result = [],
           seen = result;
 
@@ -3623,8 +3653,8 @@
       while (++index < length) {
         var value = array[index];
         if (isLarge) {
-          var key = String(value);
+          var key = keyPrefix + value;
-          var inited = hasOwnProperty.call(cache[0], key)
+          var inited = cache[0][key]
             ? !(seen = cache[0][key])
             : (seen = cache[0][key] = []);
         }
@@ -3634,7 +3664,7 @@
           }
           var argsIndex = argsLength;
           while (--argsIndex) {
-            if (!(cache[argsIndex] || (cache[argsIndex] = cachedContains(args[argsIndex], 0, 100)))(value)) {
+            if (!(cache[argsIndex] || (cache[argsIndex] = cachedContains(args[argsIndex])))(value)) {
               continue outer;
             }
           }
@@ -3895,7 +3925,7 @@
      * @static
      * @memberOf _
      * @category Arrays
-     * @param {Array} array The array to iterate over.
+     * @param {Array} array The array to inspect.
      * @param {Mixed} value The value to evaluate.
      * @param {Function|Object|String} [callback=identity] The function called per
      *  iteration. If a property name or object is passed, it will be used to create
@@ -3958,7 +3988,10 @@
      * _.union([1, 2, 3], [101, 2, 1, 10], [2, 1]);
      * // => [1, 2, 3, 101, 10]
      */
-    function union() {
+    function union(array) {
+      if (!isArray(array)) {
+        arguments[0] = array ? nativeSlice.call(array) : arrayRef;
+      }
       return uniq(concat.apply(arrayRef, arguments));
     }
 
@@ -4018,7 +4051,7 @@
         isSorted = false;
       }
       // init value cache for large arrays
-      var isLarge = !isSorted && length >= 75;
+      var isLarge = !isSorted && length >= largeArraySize;
       if (isLarge) {
         var cache = {};
       }
@@ -4031,8 +4064,8 @@
             computed = callback ? callback(value, index, array) : value;
 
         if (isLarge) {
-          var key = String(computed);
+          var key = keyPrefix + computed;
-          var inited = hasOwnProperty.call(cache, key)
+          var inited = cache[key]
             ? !(seen = cache[key])
             : (seen = cache[key] = []);
         }
@@ -4049,6 +4082,37 @@
       return result;
     }
 
+    /**
+     * The inverse of `_.zip`, this method splits groups of elements into arrays
+     * composed of elements from each group at their corresponding indexes.
+     *
+     * @static
+     * @memberOf _
+     * @category Arrays
+     * @param {Array} array The array to process.
+     * @returns {Array} Returns a new array of the composed arrays.
+     * @example
+     *
+     * _.unzip([['moe', 30, true], ['larry', 40, false]]);
+     * // => [['moe', 'larry'], [30, 40], [true, false]];
+     */
+    function unzip(array) {
+      var index = -1,
+          length = array ? array.length : 0,
+          tupleLength = length ? max(pluck(array, 'length')) : 0,
+          result = Array(tupleLength);
+
+      while (++index < length) {
+        var tupleIndex = -1,
+            tuple = array[index];
+
+        while (++tupleIndex < tupleLength) {
+          (result[tupleIndex] || (result[tupleIndex] = Array(length)))[index] = tuple[tupleIndex];
+        }
+      }
+      return result;
+    }
+
     /**
      * Creates an array with all occurrences of the passed values removed using
      * strict equality for comparisons, i.e. `===`.
@@ -4065,18 +4129,7 @@
      * // => [2, 3, 4]
      */
     function without(array) {
-      var index = -1,
+      return difference(array, nativeSlice.call(arguments, 1));
-          length = array ? array.length : 0,
-          contains = cachedContains(arguments, 1, 30),
-          result = [];
-
-      while (++index < length) {
-        var value = array[index];
-        if (!contains(value)) {
-          result.push(value);
-        }
-      }
-      return result;
     }
 
     /**
@@ -4202,7 +4255,7 @@
       // (in V8 `Function#bind` is slower except when partially applied)
       return support.fastBind || (nativeBind && arguments.length > 2)
         ? nativeBind.call.apply(nativeBind, arguments)
-        : createBound(func, thisArg, slice(arguments, 2));
+        : createBound(func, thisArg, nativeSlice.call(arguments, 2));
     }
 
     /**
@@ -4229,8 +4282,8 @@
      * // => alerts 'clicked docs', when the button is clicked
      */
     function bindAll(object) {
-      var funcs = concat.apply(arrayRef, arguments),
+      var funcs = arguments.length > 1 ? concat.apply(arrayRef, nativeSlice.call(arguments, 1)) : functions(object),
-          index = funcs.length > 1 ? 0 : (funcs = functions(object), -1),
+          index = -1,
           length = funcs.length;
 
       while (++index < length) {
@@ -4275,7 +4328,7 @@
      * // => 'hi, moe!'
      */
     function bindKey(object, key) {
-      return createBound(object, key, slice(arguments, 2), indicatorObject);
+      return createBound(object, key, nativeSlice.call(arguments, 2), indicatorObject);
     }
 
     /**
@@ -4405,44 +4458,53 @@
     /**
      * Creates a function that will delay the execution of `func` until after
      * `wait` milliseconds have elapsed since the last time it was invoked. Pass
-     * `true` for `immediate` to cause debounce to invoke `func` on the leading,
+     * an `options` object to indicate that `func` should be invoked on the leading
-     * instead of the trailing, edge of the `wait` timeout. Subsequent calls to
+     * and/or trailing edge of the `wait` timeout. Subsequent calls to the debounced
-     * the debounced function will return the result of the last `func` call.
+     * function will return the result of the last `func` call.
      *
      * @static
      * @memberOf _
      * @category Functions
      * @param {Function} func The function to debounce.
      * @param {Number} wait The number of milliseconds to delay.
-     * @param {Boolean} immediate A flag to indicate execution is on the leading
+     * @param {Object} options The options object.
-     *  edge of the timeout.
+     *  [leading=false] A boolean to specify execution on the leading edge of the timeout.
+     *  [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
      * @returns {Function} Returns the new debounced function.
      * @example
      *
      * var lazyLayout = _.debounce(calculateLayout, 300);
      * jQuery(window).on('resize', lazyLayout);
      */
-    function debounce(func, wait, immediate) {
+    function debounce(func, wait, options) {
       var args,
           result,
           thisArg,
-          timeoutId;
+          timeoutId,
+          trailing = true;
 
       function delayed() {
         timeoutId = null;
-        if (!immediate) {
+        if (trailing) {
           result = func.apply(thisArg, args);
         }
       }
+      if (options === true) {
+        var leading = true;
+        trailing = false;
+      } else if (options && objectTypes[typeof options]) {
+        leading = options.leading;
+        trailing = 'trailing' in options ? options.trailing : trailing;
+      }
       return function() {
-        var isImmediate = immediate && !timeoutId;
+        var isLeading = leading && !timeoutId;
         args = arguments;
         thisArg = this;
 
         clearTimeout(timeoutId);
         timeoutId = setTimeout(delayed, wait);
 
-        if (isImmediate) {
+        if (isLeading) {
           result = func.apply(thisArg, args);
         }
         return result;
@@ -4465,7 +4527,7 @@
      * // returns from the function before `alert` is called
      */
     function defer(func) {
-      var args = slice(arguments, 1);
+      var args = nativeSlice.call(arguments, 1);
       return setTimeout(function() { func.apply(undefined, args); }, 1);
     }
     // use `setImmediate` if it's available in Node.js
@@ -4491,7 +4553,7 @@
      * // => 'logged later' (Appears after one second.)
      */
     function delay(func, wait) {
-      var args = slice(arguments, 2);
+      var args = nativeSlice.call(arguments, 2);
       return setTimeout(function() { func.apply(undefined, args); }, wait);
     }
 
@@ -4517,7 +4579,7 @@
     function memoize(func, resolver) {
       var cache = {};
       return function() {
-        var key = String(resolver ? resolver.apply(this, arguments) : arguments[0]);
+        var key = keyPrefix + (resolver ? resolver.apply(this, arguments) : arguments[0]);
         return hasOwnProperty.call(cache, key)
           ? cache[key]
           : (cache[key] = func.apply(this, arguments));
@@ -4577,7 +4639,7 @@
      * // => 'hi moe'
      */
     function partial(func) {
-      return createBound(func, slice(arguments, 1));
+      return createBound(func, nativeSlice.call(arguments, 1));
     }
 
     /**
@@ -4608,43 +4670,61 @@
      * // => { '_': _, 'jq': $ }
      */
     function partialRight(func) {
-      return createBound(func, slice(arguments, 1), null, indicatorObject);
+      return createBound(func, nativeSlice.call(arguments, 1), null, indicatorObject);
     }
 
     /**
-     * Creates a function that, when executed, will only call the `func`
+     * Creates a function that, when executed, will only call the `func` function
-     * function at most once per every `wait` milliseconds. If the throttled
+     * at most once per every `wait` milliseconds. If the throttled function is
-     * function is invoked more than once during the `wait` timeout, `func` will
+     * invoked more than once during the `wait` timeout, `func` will also be called
-     * also be called on the trailing edge of the timeout. Subsequent calls to the
+     * on the trailing edge of the timeout. Pass an `options` object to indicate
-     * throttled function will return the result of the last `func` call.
+     * that `func` should be invoked on the leading and/or trailing edge of the
+     * `wait` timeout. Subsequent calls to the throttled function will return
+     * the result of the last `func` call.
      *
      * @static
      * @memberOf _
      * @category Functions
      * @param {Function} func The function to throttle.
      * @param {Number} wait The number of milliseconds to throttle executions to.
+     * @param {Object} options The options object.
+     *  [leading=true] A boolean to specify execution on the leading edge of the timeout.
+     *  [trailing=true] A boolean to specify execution on the trailing edge of the timeout.
      * @returns {Function} Returns the new throttled function.
      * @example
      *
      * var throttled = _.throttle(updatePosition, 100);
      * jQuery(window).on('scroll', throttled);
      */
-    function throttle(func, wait) {
+    function throttle(func, wait, options) {
       var args,
           result,
           thisArg,
           timeoutId,
-          lastCalled = 0;
+          lastCalled = 0,
+          leading = true,
+          trailing = true;
 
       function trailingCall() {
         lastCalled = new Date;
         timeoutId = null;
-        result = func.apply(thisArg, args);
+
+        if (trailing) {
+          result = func.apply(thisArg, args);
+        }
+      }
+      if (options === false) {
+        leading = false;
+      } else if (options && objectTypes[typeof options]) {
+        leading = 'leading' in options ? options.leading : leading;
+        trailing = 'trailing' in options ? options.trailing : trailing;
       }
       return function() {
-        var now = new Date,
+        var now = new Date;
-            remaining = wait - (now - lastCalled);
+        if (!timeoutId && !leading) {
-
+          lastCalled = now;
+        }
+        var remaining = wait - (now - lastCalled);
         args = arguments;
         thisArg = this;
 
@@ -4874,9 +4954,6 @@
      * Note: In the development build, `_.template` utilizes sourceURLs for easier
      * debugging. See http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl
      *
-     * Note: Lo-Dash may be used in Chrome extensions by either creating a `lodash csp`
-     * build and using precompiled templates, or loading Lo-Dash in a sandbox.
-     *
      * For more information on precompiling templates see:
      * http://lodash.com/#custom-builds
      *
@@ -4887,7 +4964,7 @@
      * @memberOf _
      * @category Utilities
      * @param {String} text The template text.
-     * @param {Obect} data The data object used to populate the text.
+     * @param {Object} data The data object used to populate the text.
      * @param {Object} options The options object.
      *  escape - The "escape" delimiter regexp.
      *  evaluate - The "evaluate" delimiter regexp.
@@ -5087,7 +5164,7 @@
     }
 
     /**
-     * The opposite of `_.escape`, this method converts the HTML entities
+     * The inverse of `_.escape`, this method converts the HTML entities
      * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to their
      * corresponding characters.
      *
@@ -5240,6 +5317,7 @@
     lodash.toArray = toArray;
     lodash.union = union;
     lodash.uniq = uniq;
+    lodash.unzip = unzip;
     lodash.values = values;
     lodash.where = where;
     lodash.without = without;
@@ -5357,7 +5435,7 @@
      * @memberOf _
      * @type String
      */
-    lodash.VERSION = '1.1.1';
+    lodash.VERSION = '1.2.0';
 
     // add "Chaining" functions to the wrapper
     lodash.prototype.toString = wrapperToString;

package.json

@@ -1,9 +1,10 @@
 {
   "name": "lodash",
-  "version": "1.1.1",
+  "version": "1.2.0",
   "description": "A low-level utility library delivering consistency, customization, performance, and extra features.",
   "homepage": "http://lodash.com",
-  "main": "./dist/lodash",
+  "license": "MIT",
+  "main": "./dist/lodash.js",
   "keywords": [
     "browser",
     "client",
@@ -13,12 +14,6 @@
     "speed",
     "util"
   ],
-  "licenses": [
-    {
-      "type": "MIT",
-      "url": "http://lodash.com/license"
-    }
-  ],
   "author": {
     "name": "John-David Dalton",
     "email": "john.david.dalton@gmail.com",
@@ -34,19 +29,11 @@
   "bin": {
     "lodash": "./build.js"
   },
-  "directories": {
-    "doc": "./doc",
-    "test": "./test"
-  },
   "engines": [
     "node",
     "rhino"
   ],
   "jam": {
     "main": "./lodash.js"
-  },
-  "scripts": {
-    "build": "node ./build.js",
-    "test": "node ./test/test.js ./dist/lodash.js && node ./test/test.js ./dist/lodash.min.js && node ./test/test-build.js"
   }
 }

perf/perf.js

@@ -182,23 +182,31 @@
           aHz = getHz(this[0]),
           bHz = getHz(this[1]);
 
-      if (fastest.length > 1) {
+      for (var index = 0, length = this.length; index < length; index++) {
-        log('It\'s too close to call.');
+        var bench = this[index];
-        aHz = bHz = slowestHz;
+        if (bench.error) {
+          var errored = true;
+          log(bench.error);
+        }
       }
-      else {
+      if (!errored) {
-        var percent = ((fastestHz / slowestHz) - 1) * 100;
+        if (fastest.length > 1) {
+          log('It\'s too close to call.');
+          aHz = bHz = slowestHz;
+        }
+        else {
+          var percent = ((fastestHz / slowestHz) - 1) * 100;
 
-        log(
+          log(
-          fastest[0].name + ' is ' +
+            fastest[0].name + ' is ' +
-          formatNumber(percent < 1 ? percent.toFixed(2) : Math.round(percent)) +
+            formatNumber(percent < 1 ? percent.toFixed(2) : Math.round(percent)) +
-          '% faster.'
+            '% faster.'
-        );
+          );
+        }
+        // add score adjusted for margin of error
+        score.a += aHz;
+        score.b += bHz;
       }
-      // add score adjusted for margin of error
-      score.a += aHz;
-      score.b += bHz;
-
       // remove current suite from queue
       suites.shift();
 
@@ -378,12 +386,14 @@
             fiftyValues2 = Array(50),\
             seventyFiveValues = Array(75),\
             seventyFiveValues2 = Array(75),\
-            hundredValues = Array(100),\
+            oneHundredValues = Array(100),\
-            hundredValues2 = Array(100),\
+            oneHundredValues2 = Array(100),\
+            twoHundredValues = Array(200),\
+            twoHundredValues2 = Array(200),\
             lowerChars = "abcdefghijklmnopqrstuvwxyz".split(""),\
             upperChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".split("");\
         \
-        for (index = 0; index < 100; index++) {\
+        for (index = 0; index < 200; index++) {\
           if (index < 15) {\
             twentyValues[index] = lowerChars[index];\
             twentyValues2[index] = upperChars[index];\
@@ -403,13 +413,15 @@
             fortyValues[index] =\
             fiftyValues[index] =\
             seventyFiveValues[index] =\
-            hundredValues[index] = lowerChars[index];\
+            oneHundredValues[index] =\
+            twoHundredValues[index] = lowerChars[index];\
             \
             thirtyValues2[index] =\
             fortyValues2[index] =\
             fiftyValues2[index] =\
             seventyFiveValues2[index] =\
-            hundredValues2[index] = upperChars[index];\
+            oneHundredValues2[index] =\
+            twoHundredValues2[index] = upperChars[index];\
           }\
           else {\
             if (index < 30) {\
@@ -428,8 +440,12 @@
               seventyFiveValues[index] =\
               seventyFiveValues2[index] = index;\
             }\
-            hundredValues[index] =\
+            if (index < 100) {\
-            hundredValues2[index] = index;\
+              oneHundredValues[index] =\
+              oneHundredValues2[index] = index;\
+            }\
+            twoHundredValues[index] =\
+            twoHundredValues2[index] = index;\
           }\
         }\
       }\
@@ -487,6 +503,10 @@
         var _findWhere = _.findWhere || _.find,\
             lodashFindWhere = lodash.findWhere || lodash.find,\
             whereObject = { "num": 9 };\
+      }\
+      if (typeof zip != "undefined") {\
+        var unzipped = [["a", "b", "c"], [1, 2, 3], [true, false, true]],\
+            zipped = [["a", 1, true], ["b", 2, false], ["c", 3, true]];\
       }'
   });
 
@@ -734,13 +754,13 @@
   );
 
   suites.push(
-    Benchmark.Suite('`_.difference` iterating 100 elements')
+    Benchmark.Suite('`_.difference` iterating 200 elements')
       .add(buildName, {
-        'fn': 'lodash.difference(hundredValues, hundredValues2)',
+        'fn': 'lodash.difference(twoHundredValues, twoHundredValues2)',
         'teardown': 'function multiArrays(){}'
       })
       .add(otherName, {
-        'fn': '_.difference(hundredValues, hundredValues2)',
+        'fn': '_.difference(twoHundredValues, twoHundredValues2)',
         'teardown': 'function multiArrays(){}'
       })
   );
@@ -1043,13 +1063,13 @@
   );
 
   suites.push(
-    Benchmark.Suite('`_.intersection` iterating 100 elements')
+    Benchmark.Suite('`_.intersection` iterating 200 elements')
       .add(buildName, {
-        'fn': 'lodash.intersection(hundredValues, hundredValues2)',
+        'fn': 'lodash.intersection(twoHundredValues, twoHundredValues2)',
         'teardown': 'function multiArrays(){}'
       })
       .add(otherName, {
-        'fn': '_.intersection(hundredValues, hundredValues2)',
+        'fn': '_.intersection(twoHundredValues, twoHundredValues2)',
         'teardown': 'function multiArrays(){}'
       })
   );
@@ -1739,19 +1759,33 @@
   );
 
   suites.push(
-    Benchmark.Suite('`_.uniq` iterating an array of 75 elements')
+    Benchmark.Suite('`_.uniq` iterating an array of 200 elements')
       .add(buildName, {
-        'fn': 'lodash.uniq(fiftyValues.concat(twentyFiveValues2));',
+        'fn': 'lodash.uniq(oneHundredValues.concat(oneHundredValues2));',
         'teardown': 'function multiArrays(){}'
       })
       .add(otherName, {
-        'fn': '_.uniq(fiftyValues.concat(twentyFiveValues2));',
+        'fn': '_.uniq(oneHundredValues.concat(oneHundredValues2));',
         'teardown': 'function multiArrays(){}'
       })
   );
 
   /*--------------------------------------------------------------------------*/
 
+  suites.push(
+    Benchmark.Suite('`_.unzip`')
+      .add(buildName, {
+        'fn': 'lodash.unzip(zipped);',
+        'teardown': 'function zip(){}'
+      })
+      .add(otherName, {
+        'fn': '_.unzip(zipped);',
+        'teardown': 'function zip(){}'
+      })
+  );
+
+  /*--------------------------------------------------------------------------*/
+
   suites.push(
     Benchmark.Suite('`_.values`')
       .add(buildName, '\
@@ -1788,15 +1822,17 @@
       )
   );
 
+  /*--------------------------------------------------------------------------*/
+
   suites.push(
-    Benchmark.Suite('`_.without` iterating an array of 30 elements')
+    Benchmark.Suite('`_.zip`')
       .add(buildName, {
-        'fn': 'lodash.without.apply(lodash, [thirtyValues].concat(thirtyValues2));',
+        'fn': 'lodash.zip.apply(lodash, unzipped);',
-        'teardown': 'function multiArrays(){}'
+        'teardown': 'function zip(){}'
       })
       .add(otherName, {
-        'fn': '_.without.apply(_, [thirtyValues].concat(thirtyValues2));',
+        'fn': '_.zip.apply(_, unzipped);',
-        'teardown': 'function multiArrays(){}'
+        'teardown': 'function zip(){}'
       })
   );
 

test/test-build.js

@@ -3,21 +3,21 @@
   'use strict';
 
   /** Load Node.js modules */
-  var fs = require('fs'),
+  var vm = require('vm');
-      path = require('path'),
-      vm = require('vm');
 
   /** Load other modules */
-  var build = require('../build.js'),
+  var _ = require('../lodash.js'),
-      minify = require('../build/minify'),
+      build = require('../build.js'),
-      _ = require('../lodash.js');
+      minify = require('../build/minify.js'),
+      util = require('../build/util.js');
+
+  /** Module shortcuts */
+  var fs = util.fs,
+      path = util.path;
 
   /** Used to avoid `noglobal` false positives caused by `errno` leaked in Node.js */
   global.errno = true;
 
-  /** Add `path.sep` for older versions of Node.js */
-  path.sep || (path.sep = process.platform == 'win32' ? '\\' : '/');
-
   /** The current working directory */
   var cwd = process.cwd();
 
@@ -90,10 +90,12 @@
   };
 
   /** List of all Lo-Dash methods */
-  var allMethods = _.functions(_)
+  var lodashMethods = _.functions(_).filter(function(methodName) {
-    .filter(function(methodName) { return !/^_/.test(methodName); })
+    return !/^_/.test(methodName);
-    .concat('chain')
+  });
-    .sort();
+
+  /** List of all methods */
+  var allMethods = lodashMethods.concat('chain', 'findWhere');
 
   /** List of "Arrays" category methods */
   var arraysMethods = [
@@ -118,6 +120,7 @@
     'union',
     'uniq',
     'unique',
+    'unzip',
     'without',
     'zip',
     'zipObject'
@@ -125,6 +128,7 @@
 
   /** List of "Chaining" category methods */
   var chainingMethods = [
+    'chain',
     'tap',
     'value'
   ];
@@ -142,6 +146,7 @@
     'every',
     'filter',
     'find',
+    'findWhere',
     'foldl',
     'foldr',
     'forEach',
@@ -296,8 +301,8 @@
     'without'
   ];
 
-  /** List of methods used by Underscore */
+  /** List of Lo-Dash only methods */
-  var underscoreMethods = _.without.apply(_, [allMethods].concat([
+  var lodashOnlyMethods = [
     'at',
     'bindKey',
     'cloneDeep',
@@ -310,8 +315,12 @@
     'merge',
     'parseInt',
     'partialRight',
-    'runInContext'
+    'runInContext',
-  ]));
+    'unzip'
+  ];
+
+  /** List of Underscore methods */
+  var underscoreMethods = _.without.apply(_, [allMethods].concat(lodashOnlyMethods));
 
   /*--------------------------------------------------------------------------*/
 
@@ -573,9 +582,12 @@
           context._ = _;
           vm.runInContext(data.source, context);
 
-          equal(_.templates.a(object.a).replace(/[\r\n]+/g, ''), '<ul><li>moe</li><li>larry</li><li>curly</li></ul>', basename);
+          var actual = _.templates.a(object.a);
+          equal(actual.replace(/[\r\n]+/g, ''), '<ul><li>moe</li><li>larry</li><li>curly</li></ul>', basename);
+
           equal(_.templates.b(object.b), 'Hello stooge.', basename);
           equal(_.templates.c(object.c), 'Hello ES6!', basename);
+
           delete _.templates;
           start();
         });
@@ -608,7 +620,9 @@
 
           equal(moduleId, expectedId, basename);
           ok('a' in _.templates && 'b' in _.templates, basename);
-          equal(_.templates.a({ 'people': ['moe', 'larry'] }), '<ul>\n<li>moe</li><li>larry</li>\n</ul>', basename);
+
+          var actual = _.templates.a({ 'people': ['moe', 'larry'] });
+          equal(actual.replace(/[\r\n]+/g, ''), '<ul><li>moe</li><li>larry</li></ul>', basename);
 
           delete _.templates;
           start();
@@ -693,7 +707,71 @@
 
   /*--------------------------------------------------------------------------*/
 
-  QUnit.module('source maps');
+  QUnit.module('csp modifier');
+
+  (function() {
+    asyncTest('`lodash csp`', function() {
+      var sources = [];
+
+      var check = _.after(2, _.once(function() {
+        ok(_.every(sources, function(source) {
+          // remove `Function` in `_.template` before testing for additional use
+          return !/\bFunction\(/.test(source.replace(/= *\w+\(\w+, *['"]return.+?apply[^)]+\)/, ''));
+        }));
+
+        equal(sources[0], sources[1]);
+        QUnit.start();
+      }));
+
+      var callback = function(data) {
+        // remove copyright header and append to `sources`
+        sources.push(data.source.replace(/^\/\**[\s\S]+?\*\/\n/, ''));
+        check();
+      };
+
+      build(['-s', '-d', 'csp'], callback);
+      build(['-s', '-d', 'modern'], callback);
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
+  QUnit.module('mobile modifier');
+
+  (function() {
+    asyncTest('`lodash mobile`', function() {
+      var start = _.after(2, _.once(QUnit.start));
+
+      build(['-s', 'mobile'], function(data) {
+        var array = [1, 2, 3],
+            basename = path.basename(data.outputPath, '.js'),
+            context = createContext(),
+            object1 = [{ 'a': 1 }],
+            object2 = [{ 'b': 2 }],
+            object3 = [{ 'a': 1, 'b': 2 }],
+            circular1 = { 'a': 1 },
+            circular2 = { 'a': 1 };
+
+        circular1.b = circular1;
+        circular2.b = circular2;
+
+        vm.runInContext(data.source, context);
+        var lodash = context._;
+
+        deepEqual(lodash.merge(object1, object2), object3, basename);
+        deepEqual(lodash.sortBy([3, 2, 1], _.identity), array, basename);
+        strictEqual(lodash.isEqual(circular1, circular2), true, basename);
+
+        var actual = lodash.cloneDeep(circular1);
+        ok(actual != circular1 && actual.b == actual, basename);
+        start();
+      });
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
+  QUnit.module('source-map modifier');
 
   (function() {
     var mapCommands = [
@@ -792,50 +870,6 @@
 
   /*--------------------------------------------------------------------------*/
 
-  QUnit.module('underscore chaining methods');
-
-  (function() {
-    var commands = [
-      'backbone',
-      'underscore'
-    ];
-
-    commands.forEach(function(command) {
-      asyncTest('`lodash ' + command +'`', function() {
-        var start = _.after(2, _.once(QUnit.start));
-
-        build(['-s', command], function(data) {
-          var basename = path.basename(data.outputPath, '.js'),
-              context = createContext();
-
-          vm.runInContext(data.source, context);
-          var lodash = context._;
-
-          ok(lodash.chain(1) instanceof lodash, '_.chain: ' + basename);
-          ok(lodash(1).chain() instanceof lodash, '_#chain: ' + basename);
-
-          var wrapped = lodash(1);
-          strictEqual(wrapped.identity(), 1, '_(...) wrapped values are not chainable by default: ' + basename);
-          equal(String(wrapped) === '1', false, '_#toString should not be implemented: ' + basename);
-          equal(Number(wrapped) === 1 , false, '_#valueOf should not be implemented: ' + basename);
-
-          wrapped.chain();
-          ok(wrapped.has('x') instanceof lodash, '_#has returns wrapped values when chaining: ' + basename);
-          ok(wrapped.join() instanceof lodash, '_#join returns wrapped values when chaining: ' + basename);
-
-          wrapped = lodash([1, 2, 3]);
-          ok(wrapped.pop() instanceof lodash, '_#pop returns wrapped values: ' + basename);
-          ok(wrapped.shift() instanceof lodash, '_#shift returns wrapped values: ' + basename);
-          deepEqual(wrapped.splice(0, 0).value(), [2], '_#splice returns wrapper: ' + basename);
-
-          start();
-        });
-      });
-    });
-  }());
-
-  /*--------------------------------------------------------------------------*/
-
   QUnit.module('underscore modifier');
 
   (function() {
@@ -970,22 +1004,7 @@
         vm.runInContext(data.source, context);
         var lodash = context._;
 
-        _.each([
+        _.each(lodashOnlyMethods.concat('assign'), function(methodName) {
-          'assign',
-          'at',
-          'bindKey',
-          'createCallback',
-          'findIndex',
-          'findKey',
-          'forIn',
-          'forOwn',
-          'isPlainObject',
-          'merge',
-          'parseInt',
-          'partialRight',
-          'runInContext',
-          'zipObject'
-        ], function(methodName) {
           equal(lodash[methodName], undefined, '_.' + methodName + ' should not exist: ' + basename);
         });
 
@@ -993,23 +1012,6 @@
       });
     });
 
-    asyncTest('`lodash underscore include=findWhere`', function() {
-      var start = _.after(2, _.once(QUnit.start));
-
-      build(['-s', 'underscore', 'include=findWhere'], function(data) {
-        var basename = path.basename(data.outputPath, '.js'),
-            context = createContext();
-
-        vm.runInContext(data.source, context);
-        var lodash = context._;
-
-        var collection = [{ 'a': 1 }, { 'a': 1 }];
-        deepEqual(lodash.findWhere(collection, { 'a': 1 }), collection[0], '_.findWhere: ' + basename);
-
-        start();
-      });
-    });
-
     asyncTest('`lodash underscore include=partial`', function() {
       var start = _.after(2, _.once(QUnit.start));
 
@@ -1059,6 +1061,51 @@
 
   /*--------------------------------------------------------------------------*/
 
+  QUnit.module('underscore chaining methods');
+
+  (function() {
+    var commands = [
+      'backbone',
+      'underscore',
+      'modern plus=chain'
+    ];
+
+    commands.forEach(function(command) {
+      asyncTest('`lodash ' + command +'`', function() {
+        var start = _.after(2, _.once(QUnit.start));
+
+        build(['-s'].concat(command.split(' ')), function(data) {
+          var basename = path.basename(data.outputPath, '.js'),
+              context = createContext();
+
+          vm.runInContext(data.source, context);
+          var lodash = context._;
+
+          ok(lodash.chain(1) instanceof lodash, '_.chain: ' + basename);
+          ok(lodash(1).chain() instanceof lodash, '_#chain: ' + basename);
+
+          var wrapped = lodash(1);
+          strictEqual(wrapped.identity(), 1, '_(...) wrapped values are not chainable by default: ' + basename);
+          equal(String(wrapped) === '1', false, '_#toString should not be implemented: ' + basename);
+          equal(Number(wrapped) === 1 , false, '_#valueOf should not be implemented: ' + basename);
+
+          wrapped.chain();
+          ok(wrapped.has('x') instanceof lodash, '_#has returns wrapped values when chaining: ' + basename);
+          ok(wrapped.join() instanceof lodash, '_#join returns wrapped values when chaining: ' + basename);
+
+          wrapped = lodash([1, 2, 3]);
+          ok(wrapped.pop() instanceof lodash, '_#pop returns wrapped values: ' + basename);
+          ok(wrapped.shift() instanceof lodash, '_#shift returns wrapped values: ' + basename);
+          deepEqual(wrapped.splice(0, 0).value(), [2], '_#splice returns wrapper: ' + basename);
+
+          start();
+        });
+      });
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
   QUnit.module('exports command');
 
   (function() {
@@ -1197,7 +1244,66 @@
 
   /*--------------------------------------------------------------------------*/
 
-  QUnit.module('output options');
+  QUnit.module('commands with findWhere');
+
+  (function() {
+    var commands = [
+      'underscore include=findWhere',
+      'modern include=findWhere',
+      'plus=findWhere'
+    ];
+
+    commands.forEach(function(command) {
+      asyncTest('`lodash ' + command + '`', function() {
+        var start = _.after(2, _.once(QUnit.start));
+
+        build(['-s'].concat(command.split(' ')), function(data) {
+          var basename = path.basename(data.outputPath, '.js'),
+              context = createContext();
+
+          vm.runInContext(data.source, context);
+          var lodash = context._;
+
+          var collection = [{ 'a': 1 }, { 'a': 1 }];
+          deepEqual(lodash.findWhere(collection, { 'a': 1 }), collection[0], '_.findWhere: ' + basename);
+
+          start();
+        });
+      });
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
+  QUnit.module('no-dep option');
+
+  (function() {
+    var commands = [
+      '-n',
+      '--no-dep'
+    ];
+
+    commands.forEach(function(command) {
+      asyncTest('`lodash modern include=each ' + command +'`', function() {
+        var start = _.after(2, _.once(QUnit.start));
+
+        build(['-s', 'modern', 'include=each', command], function(data) {
+          var basename = path.basename(data.outputPath, '.js'),
+              context = createContext();
+
+          vm.runInContext(data.source, context);
+          var lodash = context._;
+
+          deepEqual(_.functions(lodash), ['each', 'forEach'], basename);
+          start();
+        });
+      });
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
+  QUnit.module('output option');
 
   (function() {
     var nestedPath = path.join(__dirname, 'a', 'b');
@@ -1238,7 +1344,7 @@
 
   /*--------------------------------------------------------------------------*/
 
-  QUnit.module('stdout options');
+  QUnit.module('stdout option');
 
   (function() {
     var commands = [
@@ -1269,64 +1375,6 @@
 
   /*--------------------------------------------------------------------------*/
 
-  QUnit.module('mobile build');
-
-  (function() {
-    asyncTest('`lodash mobile`', function() {
-      var start = _.after(2, _.once(QUnit.start));
-
-      build(['-s', 'mobile'], function(data) {
-        var array = [1, 2, 3],
-            basename = path.basename(data.outputPath, '.js'),
-            context = createContext(),
-            object1 = [{ 'a': 1 }],
-            object2 = [{ 'b': 2 }],
-            object3 = [{ 'a': 1, 'b': 2 }],
-            circular1 = { 'a': 1 },
-            circular2 = { 'a': 1 };
-
-        circular1.b = circular1;
-        circular2.b = circular2;
-
-        vm.runInContext(data.source, context);
-        var lodash = context._;
-
-        deepEqual(lodash.merge(object1, object2), object3, basename);
-        deepEqual(lodash.sortBy([3, 2, 1], _.identity), array, basename);
-        strictEqual(lodash.isEqual(circular1, circular2), true, basename);
-
-        var actual = lodash.cloneDeep(circular1);
-        ok(actual != circular1 && actual.b == actual, basename);
-        start();
-      });
-    });
-
-    asyncTest('`lodash csp`', function() {
-      var sources = [];
-
-      var check = _.after(2, _.once(function() {
-        ok(_.every(sources, function(source) {
-          // remove `Function` in `_.template` before testing for additional use
-          return !/\bFunction\(/.test(source.replace(/= *\w+\(\w+, *['"]return.+?apply[^)]+\)/, ''));
-        }));
-
-        equal(sources[0], sources[1]);
-        QUnit.start();
-      }));
-
-      var callback = function(data) {
-        // remove copyright header and append to `sources`
-        sources.push(data.source.replace(/^\/\**[\s\S]+?\*\/\n/, ''));
-        check();
-      };
-
-      build(['-s', '-d', 'csp'], callback);
-      build(['-s', '-d', 'mobile'], callback);
-    });
-  }());
-
-  /*--------------------------------------------------------------------------*/
-
   QUnit.module('lodash build');
 
   (function() {
@@ -1420,7 +1468,7 @@
               methodNames = (methodNames || []).concat(command.match(/category=(\S*)/)[1].split(/, */).map(capitalize));
             }
             if (!methodNames) {
-              methodNames = allMethods.slice();
+              methodNames = lodashMethods.slice();
             }
             if (/plus/.test(command)) {
               methodNames = methodNames.concat(command.match(/plus=(\S*)/)[1].split(/, */));
@@ -1437,16 +1485,13 @@
               var result = getMethodsByCategory(category);
 
               // limit category methods to those available for specific builds
-              if (isBackbone) {
+              result = result.filter(function(methodName) {
-                result = result.filter(function(methodName) {
+                return _.contains(
-                  return _.contains(backboneDependencies, methodName);
+                  isBackbone ? backboneDependencies :
-                });
+                  isUnderscore ? underscoreMethods :
-              }
+                  lodashMethods, methodName
-              else if (isUnderscore) {
+                );
-                result = result.filter(function(methodName) {
+              });
-                  return _.contains(underscoreMethods, methodName);
-                });
-              }
               if (result.length) {
                 methodNames = _.without(methodNames, category);
                 push.apply(methodNames, result);

test/test.js

@@ -196,6 +196,8 @@
   QUnit.module('lodash.at');
 
   (function() {
+    var args = arguments;
+
     test('should return `undefined` for nonexistent keys', function() {
       var actual = _.at(['a', 'b',  'c'], [0, 2, 4]);
       deepEqual(actual, ['a', 'c', undefined]);
@@ -210,6 +212,11 @@
       deepEqual(actual, ['a', 'c', 'd']);
     });
 
+    test('should work with an `arguments` object for `collection`', function() {
+      var actual = _.at(args, [0, 2]);
+      deepEqual(actual, ['a', 'c']);
+    });
+
     test('should work with an object for `collection`', function() {
       var actual = _.at({ 'a': 1, 'b': 2, 'c': 3 }, ['a', 'c']);
       deepEqual(actual, [1, 3]);
@@ -224,7 +231,7 @@
         deepEqual(_.at(collection, [0, 2]), ['a', 'c']);
       });
     });
-  }());
+  }('a', 'b', 'c'));
 
   /*--------------------------------------------------------------------------*/
 
@@ -295,6 +302,12 @@
 
       deepEqual(actual, [1, 2, 3, undefined]);
     });
+
+    test('should work with an array `object` argument', function() {
+      var array = ['push', 'pop'];
+      _.bindAll(array);
+      equal(array.pop, Array.prototype.pop);
+    });
   }());
 
   /*--------------------------------------------------------------------------*/
@@ -334,7 +347,7 @@
     };
 
     var objects = {
-      'an arguments object': arguments,
+      'an `arguments` object': arguments,
       'an array': ['a', 'b', 'c', ''],
       'an array-like-object': { '0': 'a', '1': 'b', '2': 'c',  '3': '', 'length': 5 },
       'boolean': false,
@@ -507,14 +520,14 @@
 
   (function() {
     test('subsequent "immediate" debounced calls return the last `func` result', function() {
-      var debounced = _.debounce(function(value) { return value; }, 32, true),
+      var debounced = _.debounce(_.identity, 32, true),
           result = [debounced('x'), debounced('y')];
 
       deepEqual(result, ['x', 'x']);
     });
 
     asyncTest('subsequent debounced calls return the last `func` result', function() {
-      var debounced = _.debounce(function(value) { return value; }, 32);
+      var debounced = _.debounce(_.identity, 32);
       debounced('x');
 
       setTimeout(function() {
@@ -522,6 +535,58 @@
         QUnit.start();
       }, 64);
     });
+
+    asyncTest('should apply default options correctly', function() {
+      var count = 0;
+
+      var debounced = _.debounce(function(value) {
+        count++;
+        return value;
+      }, 32, {});
+
+      strictEqual(debounced('x'), undefined);
+
+      setTimeout(function() {
+        strictEqual(count, 1);
+        QUnit.start();
+      }, 64);
+    });
+
+    test('should work with `leading` option', function() {
+      _.each([true, { 'leading': true }], function(options) {
+        var withLeading = _.debounce(_.identity, 32, options);
+        equal(withLeading('x'), 'x');
+      });
+
+      _.each([false, { 'leading': false }], function(options) {
+        var withoutLeading = _.debounce(_.identity, 32, options);
+        strictEqual(withoutLeading('x'), undefined);
+      });
+    });
+
+    asyncTest('should work with `trailing` option', function() {
+      var withCount = 0,
+          withoutCount = 0;
+
+      var withTrailing = _.debounce(function(value) {
+        withCount++;
+        return value;
+      }, 32, { 'trailing': true });
+
+      var withoutTrailing = _.debounce(function(value) {
+        withoutCount++;
+        return value;
+      }, 32, { 'trailing': false });
+
+      strictEqual(withTrailing('x'), undefined);
+      strictEqual(withoutTrailing('x'), undefined);
+
+      setTimeout(function() {
+        strictEqual(withCount, 1);
+        strictEqual(withoutCount, 0);
+        QUnit.start();
+      }, 64);
+    });
   }());
 
   /*--------------------------------------------------------------------------*/
@@ -1020,12 +1085,21 @@
 
     test('lodash.' + methodName + ' should pass the correct `callback` arguments', function() {
       var args;
-
       func({ 'a': 1 }, { 'a': 2 }, function() {
         args || (args = slice.call(arguments));
       });
 
-      deepEqual(args, [1, 2]);
+      deepEqual(args, [1, 2], 'primitive property values');
+
+      var array = [1, 2],
+          object = { 'b': 2 };
+
+      args = null;
+      func({ 'a': array }, { 'a': object }, function() {
+        args || (args = slice.call(arguments));
+      });
+
+      deepEqual(args, [array, object], 'non-primitive property values');
     });
 
     test('lodash.' + methodName + ' should correct set the `this` binding', function() {
@@ -1074,6 +1148,36 @@
 
   /*--------------------------------------------------------------------------*/
 
+  QUnit.module('`__proto__` property bugs');
+
+  (function() {
+    var stringLiteral = '__proto__',
+        stringObject = Object(stringLiteral),
+        expected = [stringLiteral, stringObject];
+
+    var array = _.times(100, function(count) {
+      return count % 2 ? stringObject : stringLiteral;
+    });
+
+    test('internal data objects should work with the `__proto__` key', function() {
+      deepEqual(_.difference(array, array), []);
+      deepEqual(_.intersection(array, array), expected);
+      deepEqual(_.uniq(array), expected);
+      deepEqual(_.without.apply(_, [array].concat(array)), []);
+    });
+
+    test('lodash.memoize should memoize values resolved to the `__proto__` key', function() {
+      var count = 0,
+          memoized = _.memoize(function() { return ++count; });
+
+      memoized('__proto__');
+      memoized('__proto__');
+      strictEqual(count, 1);
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
   QUnit.module('lodash.groupBy');
 
   (function() {
@@ -1356,6 +1460,14 @@
         strictEqual(actual, false);
       });
     });
+
+    test('should ensure `callback` is a function', function() {
+      var array = [1, 2, 3],
+          eq = _.partial(_.isEqual, array),
+          actual = _.every([array, [1, 0, 3]], eq);
+
+      strictEqual(actual, false);
+    })
   }());
 
   /*--------------------------------------------------------------------------*/
@@ -1771,8 +1883,27 @@
     });
 
     test('should handle merging if `callback` returns `undefined`', function() {
-      var actual = _.merge({ 'a': 1 }, { 'a': 2 }, function() { });
+      var actual = _.merge({ 'a': { 'b': [1, 1] } }, { 'a': { 'b': [0] } }, function() { });
-      deepEqual(actual, { 'a': 2 });
+      deepEqual(actual, { 'a': { 'b': [0, 1] } });
+    });
+
+    test('should defer to `callback` when it returns a value other than `undefined`', function() {
+      var actual = _.merge({ 'a': { 'b': [0, 1] } }, { 'a': { 'b': [2] } }, function(a, b) {
+        return _.isArray(a) ? a.concat(b) : undefined;
+      });
+      deepEqual(actual, { 'a': { 'b': [0, 1, 2] } });
+    });
+
+    test('should pass the correct values to `callback`', function() {
+      var argsList = [],
+          array = [1, 2],
+          object = { 'b': 2 };
+
+      _.merge({ 'a': array }, { 'a': object }, function(a, b) {
+        argsList.push(slice.call(arguments));
+      });
+
+      deepEqual(argsList, [[array, object], [undefined, 2]]);
     });
   }(1, 2, 3));
 
@@ -1803,6 +1934,10 @@
       deepEqual(_.omit(new Foo, 'a'), expected);
     });
 
+    test('should work with an array `object` argument', function() {
+      deepEqual(_.omit([1, 2, 3], '0', '2'), { '1': 2 });
+    });
+
     test('should work with a `callback` argument', function() {
       var actual = _.omit(object, function(value) {
         return value == 1;
@@ -1837,6 +1972,41 @@
 
   /*--------------------------------------------------------------------------*/
 
+  QUnit.module('lodash.once');
+
+  (function() {
+    test('should ignore recursive calls', function() {
+      var count = 0;
+
+      var func = _.once(function() {
+        count++;
+        func();
+      });
+
+      func();
+      strictEqual(count, 1);
+    });
+
+    test('should not throw more than once', function() {
+      var pass = true;
+
+      var func = _.once(function() {
+        throw new Error;
+      });
+
+      raises(function() { func(); }, Error);
+
+      try {
+        func();
+      } catch(e) {
+        pass = false;
+      }
+      ok(pass);
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
   QUnit.module('lodash.parseInt');
 
   (function() {
@@ -1927,6 +2097,10 @@
       deepEqual(_.pick(new Foo, 'b'), { 'b': 2 });
     });
 
+    test('should work with an array `object` argument', function() {
+      deepEqual(_.pick([1, 2, 3], '1'), { '1': 2 });
+    });
+
     test('should work with a `callback` argument', function() {
       var actual = _.pick(object, function(value) {
         return value == 2;
@@ -2558,53 +2732,109 @@
     });
 
     asyncTest('supports recursive calls', function() {
-      var counter = 0;
+      var count = 0;
       var throttled = _.throttle(function() {
-        counter++;
+        count++;
-        if (counter < 10) {
+        if (count < 10) {
           throttled();
         }
       }, 32);
 
       throttled();
-      equal(counter, 1);
+      equal(count, 1);
 
       setTimeout(function() {
-        ok(counter < 3)
+        ok(count < 3)
         QUnit.start();
       }, 32);
     });
 
     asyncTest('should not trigger a trailing call when invoked once', function() {
-      var counter = 0,
+      var count = 0,
-          throttled = _.throttle(function() { counter++; }, 32);
+          throttled = _.throttle(function() { count++; }, 32);
 
       throttled();
-      equal(counter, 1);
+      equal(count, 1);
 
       setTimeout(function() {
-        equal(counter, 1);
+        equal(count, 1);
         QUnit.start();
       }, 96);
     });
 
     asyncTest('should trigger trailing call when invoked repeatedly', function() {
-      var counter = 0,
+      var count = 0,
           limit = 48,
-          throttled = _.throttle(function() { counter++; }, 32),
+          throttled = _.throttle(function() { count++; }, 32),
           start = new Date;
 
       while ((new Date - start) < limit) {
         throttled();
       }
-      var lastCount = counter;
+      var lastCount = count;
       ok(lastCount > 1);
 
       setTimeout(function() {
-        ok(counter > lastCount);
+        ok(count > lastCount);
         QUnit.start();
       }, 96);
     });
+
+    asyncTest('should apply default options correctly', function() {
+      var count = 0;
+
+      var throttled = _.throttle(function(value) {
+        count++;
+        return value;
+      }, 32, {});
+
+      _.times(2, function() {
+        equal(throttled('x'), 'x');
+      });
+
+      setTimeout(function() {
+        strictEqual(count, 2);
+        QUnit.start();
+      }, 64);
+    });
+
+    test('should work with `leading` option', function() {
+      _.each([true, { 'leading': true }], function(options) {
+        var withLeading = _.throttle(_.identity, 32, options);
+        equal(withLeading('x'), 'x');
+      });
+
+      _.each([false, { 'leading': false }], function(options) {
+        var withoutLeading = _.throttle(_.identity, 32, options);
+        strictEqual(withoutLeading('x'), undefined);
+      });
+    });
+
+    asyncTest('should work with `trailing` option', function() {
+      var withCount = 0,
+          withoutCount = 0;
+
+      var withTrailing = _.throttle(function(value) {
+        withCount++;
+        return value;
+      }, 32, { 'trailing': true });
+
+      var withoutTrailing = _.throttle(function(value) {
+        withoutCount++;
+        return value;
+      }, 32, { 'trailing': false });
+
+      _.times(2, function() {
+        equal(withTrailing('x'), 'x');
+        equal(withoutTrailing('x'), 'x');
+      });
+
+      setTimeout(function() {
+        strictEqual(withCount, 2);
+        strictEqual(withoutCount, 1);
+        QUnit.start();
+      }, 64);
+    });
   }());
 
   /*--------------------------------------------------------------------------*/
@@ -2702,6 +2932,19 @@
 
   /*--------------------------------------------------------------------------*/
 
+  QUnit.module('lodash.union');
+
+  (function() {
+    test('should produce correct results when passed a falsey `array` argument', function() {
+      var expected = [1, 2, 3],
+          actual = _.union(null, expected);
+
+      deepEqual(actual, expected);
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
   QUnit.module('lodash.uniq');
 
   (function() {
@@ -2714,10 +2957,14 @@
     });
 
     test('should distinguish between numbers and numeric strings', function() {
-      var expected = ['2', 2, Object('2'), Object(2)],
+      var array = [],
-          actual = _.uniq(expected);
+          expected = ['2', 2, Object('2'), Object(2)];
 
-      deepEqual(actual, expected);
+      _.times(50, function() {
+        array.push.apply(array, expected);
+      });
+
+      deepEqual(_.uniq(expected), expected);
     });
 
     _.each({
@@ -2750,6 +2997,58 @@
 
   /*--------------------------------------------------------------------------*/
 
+  QUnit.module('lodash.unzip');
+
+  (function() {
+    var object = {
+      'an empty array': [
+        [],
+        []
+      ],
+      '0-tuples': [
+        [[], []],
+        []
+      ],
+      '1-tuples': [
+        [['moe'], ['larry']],
+        [['moe', 'larry']]
+      ],
+      '2-tuples': [
+        [['moe', 30], ['larry', 40]],
+        [['moe', 'larry'], [30, 40]]
+      ],
+      '3-tuples': [
+        [['moe', 30, true], ['larry', 40, false]],
+        [['moe', 'larry'], [30, 40], [true, false]]
+      ]
+    };
+
+    _.forOwn(object, function(pair, key) {
+      test('should work with ' + key, function() {
+        var actual = _.unzip(pair[0]);
+        deepEqual(actual, pair[1]);
+        deepEqual(_.zip.apply(_, actual), pair[1].length ? pair[0] : pair[1]);
+      });
+    });
+
+    test('should work with tuples of different lengths', function() {
+      var pair = [
+        [['moe', 30], ['larry', 40, false]],
+        [['moe', 'larry'], [30, 40], [undefined, false]]
+      ];
+
+      var actual = _.unzip(pair[0]);
+      ok(1 in actual);
+      deepEqual(actual, pair[1]);
+
+      actual = _.zip.apply(_, actual);
+      ok(2 in actual[0]);
+      deepEqual(actual, [['moe', 30, undefined], ['larry', 40, false]]);
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
   QUnit.module('lodash.where');
 
   (function() {
@@ -2962,6 +3261,37 @@
 
   /*--------------------------------------------------------------------------*/
 
+  QUnit.module('"Arrays" category methods');
+
+ (function() {
+    var args = arguments;
+
+    test('should work with `arguments` objects', function() {
+      function message(methodName) {
+        return '_.' + methodName + ' should work with `arguments` objects';
+      }
+
+      deepEqual(_.compact(args), [1, [3], 5], message('compact'));
+      deepEqual(_.difference(args, [null]), [1, [3], 5], message('difference'));
+      deepEqual(_.findIndex(args, _.identity), 0, message('findIndex'));
+      deepEqual(_.first(args), 1, message('first'));
+      deepEqual(_.flatten(args), [1, null, 3, null, 5], message('flatten'));
+      deepEqual(_.indexOf(args, 5), 4, message('indexOf'));
+      deepEqual(_.initial(args, 4), [1], message('initial'));
+      deepEqual(_.intersection(args, [1]), [1], message('intersection'));
+      deepEqual(_.last(args), 5, message('last'));
+      deepEqual(_.lastIndexOf(args, 1), 0, message('lastIndexOf'));
+      deepEqual(_.rest(args, 4), [5], message('rest'));
+      deepEqual(_.sortedIndex(args, 6), 5, message('sortedIndex'));
+      deepEqual(_.union(args, [null, 6]), [1, null, [3], 5, 6], message('union'));
+      deepEqual(_.uniq(args), [1, null, [3], 5], message('uniq'));
+      deepEqual(_.without(args, null), [1, [3], 5], message('without'));
+      deepEqual(_.zip(args, args), [[1, 1], [null, null], [[3], [3]], [null, null], [5, 5]], message('zip'));
+    });
+  }(1, null, [3], null, 5));
+
+  /*--------------------------------------------------------------------------*/
+
   QUnit.module('lodash methods');
 
   (function() {
@@ -3022,13 +3352,10 @@
 
       _.each(funcs, function(methodName) {
         var actual = [],
+            expected = _.map(falsey, function() { return []; }),
             func = _[methodName],
             pass = true;
 
-        var expected = (methodName == 'union')
-          ? _.map(falsey, function(value, index) { return index ? [value] : []; })
-          : _.map(falsey, function() { return []; });
-
         _.each(falsey, function(value, index) {
           try {
             actual.push(index ? func(value) : func());

vendor/benchmark.js/README.md

@@ -15,7 +15,7 @@ For a list of upcoming features, check out our [roadmap](https://github.com/best
 
 ## Support
 
-Benchmark.js has been tested in at least Chrome 5~25, Firefox 1~19, IE 6-10, Opera 9.25-12, Safari 3-6, Node.js 0.4.8-0.10.1, Narwhal 0.3.2, PhantomJS 1.8.1, RingoJS 0.9, and Rhino 1.7RC5.
+Benchmark.js has been tested in at least Chrome 5~26, Firefox 1~19, IE 6-10, Opera 9.25-12, Safari 3-6, Node.js 0.4.8-0.10.4, Narwhal 0.3.2, PhantomJS 1.9.0, RingoJS 0.9, and Rhino 1.7RC5.
 
 ## Installation and usage
 

vendor/benchmark.js/benchmark.js

@@ -21,9 +21,9 @@
   /** Detect free variable `require` */
   var freeRequire = typeof require == 'function' && require;
 
-  /** Detect free variable `global` and use it as `window` */
+  /** Detect free variable `global`, from Node.js or Browserified code, and use it as `window` */
   var freeGlobal = typeof global == 'object' && global;
-  if (freeGlobal.global === freeGlobal) {
+  if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
     window = freeGlobal;
   }
 
@@ -738,13 +738,7 @@
         cycle(deferred);
       }
       else if (++deferred.cycles < clone.count) {
-        // continue the test loop
+        clone.compiled.call(deferred, context, timer);
-        if (support.timeout) {
-          // use setTimeout to avoid a call stack overflow if called recursively
-          setTimeout(function() { clone.compiled.call(deferred, context, timer); }, 0);
-        } else {
-          clone.compiled.call(deferred, context, timer);
-        }
       }
       else {
         timer.stop(deferred);

vendor/platform.js/README.md

@@ -18,7 +18,7 @@ For a list of upcoming features, check out our [roadmap](https://github.com/best
 
 ## Support
 
-Platform.js has been tested in at least Chrome 5~25, Firefox 1~19, IE 6-10, Opera 9.25-12, Safari 3-6, Node.js 0.4.8-0.10.1, Narwhal 0.3.2, PhantomJS 1.8.1, RingoJS 0.9, and Rhino 1.7RC5.
+Platform.js has been tested in at least Chrome 5~26, Firefox 1~19, IE 6-10, Opera 9.25-12, Safari 3-6, Node.js 0.4.8-0.10.4, Narwhal 0.3.2, PhantomJS 1.9.0, RingoJS 0.9, and Rhino 1.7RC5.
 
 ## Installation and usage
 

vendor/qunit-clib/README.md

@@ -9,7 +9,7 @@ QUnit CLIB helps extend QUnit’s CLI support to many common CLI environments.
 
 ## Support
 
-QUnit CLIB has been tested in at least Node.js 0.4.8-0.10.1, Narwhal 0.3.2, PhantomJS 1.8.1, RingoJS 0.9, and Rhino 1.7RC5.
+QUnit CLIB has been tested in at least Node.js 0.4.8-0.10.4, Narwhal 0.3.2, PhantomJS 1.9.0, RingoJS 0.9, and Rhino 1.7RC5.
 
 ## Usage
 

vendor/qunit-clib/qunit-clib.js

@@ -10,9 +10,9 @@
   /** Detect free variable `exports` */
   var freeExports = typeof exports == 'object' && exports;
 
-  /** Detect free variable `global` and use it as `window` */
+  /** Detect free variable `global`, from Node.js or Browserified code, and use it as `window` */
   var freeGlobal = typeof global == 'object' && global;
-  if (freeGlobal.global === freeGlobal) {
+  if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
     window = freeGlobal;
   }
 

vendor/underscore/underscore.js

@@ -96,7 +96,7 @@
     if (obj == null) return results;
     if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
     each(obj, function(value, index, list) {
-      results[results.length] = iterator.call(context, value, index, list);
+      results.push(iterator.call(context, value, index, list));
     });
     return results;
   };
@@ -171,7 +171,7 @@
     if (obj == null) return results;
     if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
     each(obj, function(value, index, list) {
-      if (iterator.call(context, value, index, list)) results[results.length] = value;
+      if (iterator.call(context, value, index, list)) results.push(value);
     });
     return results;
   };
@@ -238,7 +238,7 @@
   // Convenience version of a common use case of `filter`: selecting only objects
   // containing specific `key:value` pairs.
   _.where = function(obj, attrs, first) {
-    if (_.isEmpty(attrs)) return first ? null : [];
+    if (_.isEmpty(attrs)) return first ? void 0 : [];
     return _[first ? 'find' : 'filter'](obj, function(value) {
       for (var key in attrs) {
         if (attrs[key] !== value[key]) return false;
@@ -255,7 +255,7 @@
 
   // Return the maximum element or (element-based computation).
   // Can't optimize arrays of integers longer than 65,535 elements.
-  // See: https://bugs.webkit.org/show_bug.cgi?id=80797
+  // See [WebKit Bug 80797](https://bugs.webkit.org/show_bug.cgi?id=80797)
   _.max = function(obj, iterator, context) {
     if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
       return Math.max.apply(Math, obj);
@@ -324,7 +324,7 @@
   // An internal function used for aggregate "group by" operations.
   var group = function(obj, value, context, behavior) {
     var result = {};
-    var iterator = lookupIterator(value || _.identity);
+    var iterator = lookupIterator(value == null ? _.identity : value);
     each(obj, function(value, index) {
       var key = iterator.call(context, value, index, obj);
       behavior(result, key, value);
@@ -499,6 +499,17 @@
     return results;
   };
 
+  // The inverse operation to `_.zip`. If given an array of pairs it
+  // returns an array of the paired elements split into two left and
+  // right element arrays, if given an array of triples it returns a
+  // three element array and so on. For example, `_.unzip` given
+  // `[['a',1],['b',2],['c',3]]` returns the array
+  // [['a','b','c'],[1,2,3]].
+  _.unzip = function(tuples) {
+      var maxLen = _.max(_.pluck(tuples, "length"))
+      return _.times(maxLen, _.partial(_.pluck, tuples));
+  };
+
   // Converts lists into objects. Pass either a single array of `[key, value]`
   // pairs, or two parallel arrays of the same length -- one of keys, and one of
   // the corresponding values.
@@ -574,14 +585,25 @@
   // Function (ahem) Functions
   // ------------------
 
+  // Reusable constructor function for prototype setting.
+  var ctor = function(){};
+
   // Create a function bound to a given object (assigning `this`, and arguments,
   // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
   // available.
   _.bind = function(func, context) {
+    var args, bound;
     if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
-    var args = slice.call(arguments, 2);
+    if (!_.isFunction(func)) throw new TypeError;
-    return function() {
+    args = slice.call(arguments, 2);
-      return func.apply(context, args.concat(slice.call(arguments)));
+    return bound = function() {
+      if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
+      ctor.prototype = func.prototype;
+      var self = new ctor;
+      ctor.prototype = null;
+      var result = func.apply(self, args.concat(slice.call(arguments)));
+      if (Object(result) === result) return result;
+      return self;
     };
   };
 
@@ -598,7 +620,7 @@
   // all callbacks defined on an object belong to it.
   _.bindAll = function(obj) {
     var funcs = slice.call(arguments, 1);
-    if (funcs.length === 0) funcs = _.functions(obj);
+    if (funcs.length === 0) throw new Error("bindAll must be passed function names");
     each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
     return obj;
   };
@@ -628,7 +650,7 @@
 
   // Returns a function, that, when invoked, will only be triggered at most once
   // during a given window of time.
-  _.throttle = function(func, wait) {
+  _.throttle = function(func, wait, immediate) {
     var context, args, timeout, result;
     var previous = 0;
     var later = function() {
@@ -638,6 +660,7 @@
     };
     return function() {
       var now = new Date;
+      if (!previous && immediate === false) previous = now;
       var remaining = wait - (now - previous);
       context = this;
       args = arguments;
@@ -728,7 +751,7 @@
   _.keys = nativeKeys || function(obj) {
     if (obj !== Object(obj)) throw new TypeError('Invalid object');
     var keys = [];
-    for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key;
+    for (var key in obj) if (_.has(obj, key)) keys.push(key);
     return keys;
   };
 
@@ -800,7 +823,7 @@
     each(slice.call(arguments, 1), function(source) {
       if (source) {
         for (var prop in source) {
-          if (obj[prop] == null) obj[prop] = source[prop];
+          if (obj[prop] === void 0) obj[prop] = source[prop];
         }
       }
     });
@@ -824,7 +847,7 @@
   // Internal recursive comparison function for `isEqual`.
   var eq = function(a, b, aStack, bStack) {
     // Identical objects are equal. `0 === -0`, but they aren't identical.
-    // See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
+    // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
     if (a === b) return a !== 0 || 1 / a == 1 / b;
     // A strict comparison is necessary because `null == undefined`.
     if (a == null || b == null) return a === b;
@@ -1012,7 +1035,7 @@
 
   // Run a function **n** times.
   _.times = function(n, iterator, context) {
-    var accum = Array(n);
+    var accum = Array(Math.max(0, n));
     for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);
     return accum;
   };
@@ -1055,10 +1078,10 @@
     };
   });
 
-  // If the value of the named property is a function then invoke it;
+  // If the value of the named `property` is a function then invoke it with the
-  // otherwise, return it.
+  // `object` as context; otherwise, return it.
   _.result = function(object, property) {
-    if (object == null) return null;
+    if (object == null) return void 0;
     var value = object[property];
     return _.isFunction(value) ? value.call(object) : value;
   };