Update v1.2.1 docs

Former-commit-id: ddffb32b2aa61001e81fccfa59b9e9bb38bf7883

.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 +1,6 @@
 .DS_Store
 *.custom.*
-node_modules/
+*.map
-vendor/closure-compiler/
+node_modules
-vendor/uglifyjs/
+vendor/closure-compiler
+vendor/uglifyjs

.jamignore

@@ -1,12 +1,16 @@
 .*
 *.custom.*
+*.d.ts
+*.map
 *.md
 *.txt
 build.js
 index.js
-build/
+bower.json
-doc/
+component.json
-node_modules/
+build
-perf/
+doc
-test/
+node_modules
-vendor/
+perf
+test
+vendor

.npmignore

@@ -1,27 +1,25 @@
 .*
 *.custom.*
 *.d.ts
-CONTRIBUTING.md
+*.map
-doc/*.php
+*.md
-node_modules/
+bower.json
-perf/*.html
+component.json
-perf/*-ui.js
+doc
-perf/*.sh
+node_modules
-test/*.html
+perf
-test/*-ui.js
+test
-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>v1.2.1</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/v1.2.1/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/v1.2.1/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/v1.2.1/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/v1.2.1/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/v1.2.1/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/v1.2.1/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 ≤ v1.2.1’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/1.2.1/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/1.2.1/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/1.2.1/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/1.2.1/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/1.2.1/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/1.2.1/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
@@ -78,22 +79,17 @@ 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 2~20, IE 6-10, Opera 9.25~12, Safari 3-6, Node.js 0.4.8-0.10.5, Narwhal 0.3.2, PhantomJS 1.9.0, RingoJS 0.9, and Rhino 1.7RC5.
 
 ## Custom builds
 
 Custom builds make it easy to create lightweight versions of Lo-Dash containing only the methods you need.
 To top it off, we handle all method dependency and alias mapping for you.
+For a more detailed summary over the differences between various builds, check out our [wiki entry](https://github.com/bestiejs/lodash/wiki/build-differences).
 
  * 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 +171,7 @@ 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 +248,14 @@ require({
 
 ## Release Notes
 
-### <sup>v1.1.1</sup>
+### <sup>v1.2.1</sup>
 
- * Ensured the `underscore` build version of `_.forEach` accepts a `thisArg` argument
+ * Added Component package support
- * Updated vendor/tar to work with Node v0.10.x
+ * Updated the build utility to work with changes in GitHub’s API
-
+ * Ensured `_.isPlainObject` works with objects created by `Object.create(null)`
-### <sup>v1.1.0</sup>
+ * Ensured *“isType”* methods return `false` for subclassed values
-
+ * Ensured debounced functions, with `leading` and `trailing` calls enabled,<br>
- * Added `rhino -require` support
+   only perform trailing calls after they’re called more than once
- * Added `_.createCallback`, `_findIndex`, `_.findKey`, `_.parseInt`, `_.runInContext`, and `_.support`
- * Added support for `callback` and `thisArg` arguments to `_.flatten`
- * Added CommonJS/Node support to precompiled templates
- * Ensured the `exports` object is not a DOM element
- * Ensured `_.isPlainObject` returns `false` for objects without a `[[Class]]` of “Object”
- * Made `_.cloneDeep`’s `callback` support more closely follow its documentation
- * 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).
 
@@ -279,12 +265,12 @@ Lo-Dash is part of the BestieJS *“Best in Class”* module collection. This me
 
 ## Author
 
-* [John-David Dalton](http://allyoucanleet.com/)
+| [![twitter/jdalton](http://gravatar.com/avatar/299a3d891ff1920b69c364d061007043?s=70)](http://twitter.com/jdalton "Follow @jdalton on Twitter") |
-  [![twitter/jdalton](http://gravatar.com/avatar/299a3d891ff1920b69c364d061007043?s=70)](https://twitter.com/jdalton "Follow @jdalton on Twitter")
+|---|
+| [John-David Dalton](http://allyoucanleet.com/) |
 
 ## Contributors
 
-* [Kit Cambridge](http://kitcambridge.github.com/)
+| [![twitter/kitcambridge](http://gravatar.com/avatar/6662a1d02f351b5ef2f8b4d815804661?s=70)](https://twitter.com/kitcambridge "Follow @kitcambridge on Twitter") | [![twitter/mathias](http://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](http://twitter.com/mathias "Follow @mathias on Twitter") |
-  [![twitter/kitcambridge](http://gravatar.com/avatar/6662a1d02f351b5ef2f8b4d815804661?s=70)](https://twitter.com/kitcambridge "Follow @kitcambridge on Twitter")
+|---|---|
-* [Mathias Bynens](http://mathiasbynens.be/)
+| [Kit Cambridge](http://kitcambridge.github.io/) | [Mathias Bynens](http://mathiasbynens.be/) |
-  [![twitter/mathias](http://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter")

bower.json

@@ -0,0 +1,23 @@
+{
+  "name": "lodash",
+  "version": "1.2.1",
+  "main": "./dist/lodash.compat.js",
+  "ignore": [
+    ".*",
+    "*.custom.*",
+    "*.d.ts",
+    "*.map",
+    "*.md",
+    "*.txt",
+    "build.js",
+    "index.js",
+    "component.json",
+    "package.json",
+    "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 = '7815712f73ccb21f587bf3fb72a2f50be788515d';
 
   /** The Git object ID of `uglifyjs.tar.gz` */
-  var uglifyId = '41308bd569db41a32d4f08af115875d0342e8bfb';
+  var uglifyId = 'fb620e8672ad194b3ab501790e19c40c8ac79286';
 
   /** 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;
@@ -314,7 +310,10 @@
         // containing Base64-encoded blob data. Overriding the `Accept` header
         // with the GitHub raw media type returns the blob data directly.
         // See http://developer.github.com/v3/media/.
-        'Accept': mediaType
+        'Accept': mediaType,
+        // As of 2013-04-24, the GitHub API mandates the `User-Agent` header
+        // for all requests.
+        'User-Agent': 'Lo-Dash/' + _.VERSION
       }
     }, function(response) {
       var decompressor = zlib.createUnzip(),

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 +27,15 @@
     // 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
-      .replace(/prototype\s*=\s*{\s*valueOf\s*:\s*1\s*}/, 'prototype={valueOf:1,y:1}')
       .replace(/(document[^&]+&&)\s*(?:\w+|!\d)/, '$1!({toString:0}+"")')
-
+      .replace(/"\t"/g, '"\\t"')
-    source = source.replace(/(\w+\.prototype\s*=\s*)\w+(?=\.prototype;)/, function(match, left) {
+      .replace(/"[^"]*?\\u180e[^"]*?"/g,
-      return left + /\w+(?=\.VERSION)/.exec(source);
+        '" \\t\\x0B\\f\\xa0\\ufeff' +
-    });
+        '\\n\\r\\u2028\\u2029' +
+        '\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000"'
+      );
 
     // 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;
+}());

component.json

@@ -0,0 +1,20 @@
+{
+  "name": "lodash",
+  "repo": "bestiejs/lodash",
+  "version": "1.2.1",
+  "description": "A low-level utility library delivering consistency, customization, performance, and extra features.",
+  "license": "MIT",
+  "scripts": [
+    "./index.js",
+    "./dist/lodash.compat.js"
+  ],
+  "keywords": [
+    "browser",
+    "client",
+    "functional",
+    "performance",
+    "server",
+    "speed",
+    "util"
+  ]
+}

dist/lodash.compat.js

@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 1.1.1 (Custom Build) <http://lodash.com/>
+ * Lo-Dash 1.2.1 (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,
@@ -50,8 +56,20 @@
   /** Used to match "interpolate" template delimiters */
   var reInterpolate = /<%=([\s\S]+?)%>/g;
 
-  /** Used to match leading zeros to be removed */
+  /** Used to detect and test whitespace */
-  var reLeadingZeros = /^0+(?=.$)/;
+  var whitespace = (
+    // whitespace
+    ' \t\x0B\f\xA0\ufeff' +
+
+    // line terminators
+    '\n\r\u2028\u2029' +
+
+    // unicode category "Zs" space separators
+    '\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'
+  );
+
+  /** Used to match leading whitespace and zeros to be removed */
+  var reLeadingSpacesAndZeros = RegExp('^[' + whitespace + ']*0+(?=.$)');
 
   /** Used to ensure capturing order of template delimiters */
   var reNoMatch = /($^)/;
@@ -175,7 +193,7 @@
         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 +201,8 @@
         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 +221,7 @@
     /*--------------------------------------------------------------------------*/
 
     /**
-     * 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 +239,8 @@
      * `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 +259,26 @@
      * @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 +306,12 @@
       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 +477,7 @@
      * 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 +605,27 @@
      * @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 +711,7 @@
         }
         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 +737,7 @@
      * @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 +839,7 @@
     }
 
     /**
-     * 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.
@@ -927,13 +963,11 @@
      * // => true
      */
     var isArray = nativeIsArray || function(value) {
-      // `instanceof` may cause a memory leak in IE 7 if `value` is a host object
+      return value ? (typeof value == 'object' && toString.call(value) == arrayClass) : false;
-      // 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
+     * A fallback implementation of `Object.keys` which produces an array of the
      * given object's own enumerable property names.
      *
      * @private
@@ -1253,7 +1287,7 @@
      * @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 +1295,16 @@
      * @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;
         }
@@ -1433,7 +1469,7 @@
      * // => true
      */
     function isDate(value) {
-      return value instanceof Date || toString.call(value) == dateClass;
+      return value ? (typeof value == 'object' && toString.call(value) == dateClass) : false;
     }
 
     /**
@@ -1536,11 +1572,8 @@
     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;
@@ -1740,7 +1773,7 @@
     // fallback for older versions of Chrome and Safari
     if (isFunction(/x/)) {
       isFunction = function(value) {
-        return value instanceof Function || toString.call(value) == funcClass;
+        return typeof value == 'function' && toString.call(value) == funcClass;
       };
     }
 
@@ -1890,7 +1923,7 @@
      * // => true
      */
     function isRegExp(value) {
-      return value instanceof RegExp || toString.call(value) == regexpClass;
+      return value ? (objectTypes[typeof value] && toString.call(value) == regexpClass) : false;
     }
 
     /**
@@ -2026,22 +2059,24 @@
               }
             }
             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 +2131,12 @@
       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 +2199,8 @@
     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 +2270,7 @@
      */
     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 +2525,9 @@
      * @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 +2675,7 @@
      * // => [['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 +2905,7 @@
     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 +3312,8 @@
     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 +3332,7 @@
      * @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 +3340,18 @@
      * @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;
         }
       }
@@ -3400,7 +3439,7 @@
     /**
      * Flattens a nested array (the nesting can be to any depth). If `isShallow`
      * is truthy, `array` will only be flattened a single level. If `callback`
-     * is passed, each element of `array` is passed through a callback` before
+     * is passed, each element of `array` is passed through a `callback` before
      * flattening. The `callback` is bound to `thisArg` and invoked with three
      * arguments; (value, index, array).
      *
@@ -3414,7 +3453,7 @@
      * @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 +3644,7 @@
           cache = { '0': {} },
           index = -1,
           length = array ? array.length : 0,
-          isLarge = length >= 100,
+          isLarge = length >= largeArraySize,
           result = [],
           seen = result;
 
@@ -3613,8 +3652,8 @@
       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 +3663,7 @@
           }
           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 +3924,7 @@
      * @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 +3987,10 @@
      * _.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));
     }
 
@@ -3956,7 +3998,7 @@
      * Creates a duplicate-value-free version of the `array` using strict equality
      * for comparisons, i.e. `===`. If the `array` is already sorted, passing `true`
      * for `isSorted` will run a faster algorithm. If `callback` is passed, each
-     * element of `array` is passed through a callback` before uniqueness is computed.
+     * element of `array` is passed through a `callback` before uniqueness is computed.
      * The `callback` is bound to `thisArg` and invoked with three arguments; (value, index, array).
      *
      * If a property name is passed for `callback`, the created "_.pluck" style
@@ -4008,7 +4050,7 @@
         isSorted = false;
       }
       // init value cache for large arrays
-      var isLarge = !isSorted && length >= 75;
+      var isLarge = !isSorted && length >= largeArraySize;
       if (isLarge) {
         var cache = {};
       }
@@ -4021,8 +4063,8 @@
             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 +4081,37 @@
       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 +4128,7 @@
      * // => [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 +4254,7 @@
       // (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 +4281,8 @@
      * // => 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 +4327,7 @@
      * // => 'hi, moe!'
      */
     function bindKey(object, key) {
-      return createBound(object, key, slice(arguments, 2), indicatorObject);
+      return createBound(object, key, nativeSlice.call(arguments, 2), indicatorObject);
     }
 
     /**
@@ -4395,45 +4457,64 @@
     /**
      * 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.
+     *
+     * Note: If `leading` and `trailing` options are `true`, `func` will be called
+     * on the trailing edge of the timeout only if the the debounced function is
+     * invoked more than once during the `wait` timeout.
      *
      * @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);
+     *
+     * jQuery('#postbox').on('click', _.debounce(sendMail, 200, {
+     *   'leading': true,
+     *   'trailing': false
+     * });
      */
-    function debounce(func, wait, immediate) {
+    function debounce(func, wait, options) {
       var args,
+          inited,
           result,
           thisArg,
-          timeoutId;
+          timeoutId,
+          trailing = true;
 
       function delayed() {
-        timeoutId = null;
+        inited = 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;
         args = arguments;
         thisArg = this;
-
         clearTimeout(timeoutId);
-        timeoutId = setTimeout(delayed, wait);
 
-        if (isImmediate) {
+        if (!inited && leading) {
+          inited = true;
           result = func.apply(thisArg, args);
+        } else {
+          timeoutId = setTimeout(delayed, wait);
         }
         return result;
       };
@@ -4455,7 +4536,7 @@
      * // 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 +4562,7 @@
      * // => '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 +4588,7 @@
     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 +4648,7 @@
      * // => 'hi moe'
      */
     function partial(func) {
-      return createBound(func, slice(arguments, 1));
+      return createBound(func, nativeSlice.call(arguments, 1));
     }
 
     /**
@@ -4598,43 +4679,66 @@
      * // => { '_': _, '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. Pass an `options` object to
-     * function is invoked more than once during the `wait` timeout, `func` will
+     * indicate that `func` should be invoked on the leading and/or trailing edge
-     * also be called on the trailing edge of the timeout. Subsequent calls to the
+     * of the `wait` timeout. Subsequent calls to the throttled function will
-     * throttled function will return the result of the last `func` call.
+     * return the result of the last `func` call.
+     *
+     * Note: If `leading` and `trailing` options are `true`, `func` will be called
+     * on the trailing edge of the timeout only if the the throttled function is
+     * invoked more than once during the `wait` timeout.
      *
      * @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);
+     *
+     * jQuery('.interactive').on('click', _.throttle(renewToken, 300000, {
+     *   'trailing': false
+     * }));
      */
-    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) {
+          lastCalled = new Date;
+          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;
 
@@ -4776,6 +4880,8 @@
 
     /**
      * Converts the given `value` into an integer of the specified `radix`.
+     * If `radix` is `undefined` or `0`, a `radix` of `10` is used unless the
+     * `value` is a hexadecimal, in which case a `radix` of `16` is used.
      *
      * Note: This method avoids differences in native ES3 and ES5 `parseInt`
      * implementations. See http://es5.github.com/#E.
@@ -4783,16 +4889,17 @@
      * @static
      * @memberOf _
      * @category Utilities
-     * @param {Mixed} value The value to parse.
+     * @param {String} value The value to parse.
+     * @param {Number} [radix] The radix used to interpret the value to parse.
      * @returns {Number} Returns the new integer value.
      * @example
      *
      * _.parseInt('08');
      * // => 8
      */
-    var parseInt = nativeParseInt('08') == 8 ? nativeParseInt : function(value, radix) {
+    var parseInt = nativeParseInt(whitespace + '08') == 8 ? nativeParseInt : function(value, radix) {
       // Firefox and Opera still follow the ES3 specified implementation of `parseInt`
-      return nativeParseInt(isString(value) ? value.replace(reLeadingZeros, '') : value, radix || 0);
+      return nativeParseInt(isString(value) ? value.replace(reLeadingSpacesAndZeros, '') : value, radix || 0);
     };
 
     /**
@@ -4864,9 +4971,6 @@
      * 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 +4981,7 @@
      * @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 +5181,7 @@
     }
 
     /**
-     * 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 +5334,7 @@
     lodash.toArray = toArray;
     lodash.union = union;
     lodash.uniq = uniq;
+    lodash.unzip = unzip;
     lodash.values = values;
     lodash.where = where;
     lodash.without = without;
@@ -5347,7 +5452,7 @@
      * @memberOf _
      * @type String
      */
-    lodash.VERSION = '1.1.1';
+    lodash.VERSION = '1.2.1';
 
     // add "Chaining" functions to the wrapper
     lodash.prototype.toString = wrapperToString;

dist/lodash.compat.min.js

@@ -1,46 +1,47 @@
 /**
  * @license
- * Lo-Dash 1.1.1 (Custom Build) lodash.com/license
+ * Lo-Dash 1.2.1 (Custom Build) lodash.com/license
  * Build: `lodash -o ./dist/lodash.compat.js`
  * Underscore.js 1.4.4 underscorejs.org/LICENSE
  */
-;(function(n){function t(r){function a(n){return n&&typeof n=="object"&&!fe(n)&&Vt.call(n,"__wrapped__")?n:new K(n)}function q(n,t,e){var r=n.length,u=r-t>=e;if(u){var a={};for(e=t-1;++e<r;){var o=qt(n[e]);(Vt.call(a,o)?a[o]:a[o]=[]).push(n[e])}}return function(e){if(u){var r=qt(e);return Vt.call(a,r)&&-1<yt(a[r],e)}return-1<yt(n,e,t)}}function B(n){return n.charCodeAt(0)}function F(n,t){var e=n.b,r=t.b;if(n=n.a,t=t.a,n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1
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+},U.isDate=function(n){return n?typeof n=="object"&&ue.call(n)==N:a},U.isElement=function(n){return n?1===n.nodeType:a},U.isEmpty=function(n){var t=r;if(!n)return t;var e=ue.call(n),u=n.length;return e==E||e==B||e==O||e==A&&typeof u=="number"&&at(n.splice)?!u:(D(n,function(){return t=a}),t)},U.isEqual=ut,U.isFinite=function(n){return ie(n)&&!fe(parseFloat(n))},U.isFunction=at,U.isNaN=function(n){return it(n)&&n!=+n},U.isNull=function(n){return n===u},U.isNumber=it,U.isObject=ot,U.isPlainObject=f,U.isRegExp=function(n){return n?typeof n=="object"&&ue.call(n)==$:a
-},a.some=pt,a.sortedIndex=yt,a.template=function(n,t,r){var u=a.templateSettings;n||(n=""),r=le({},r,u);var o,i=le({},r.imports,u.imports),u=oe(i),i=nt(i),p=0,v=r.interpolate||y,h="__p+='",v=At((r.escape||y).source+"|"+v.source+"|"+(v===g?s:y).source+"|"+(r.evaluate||y).source+"|$","g");n.replace(v,function(t,e,r,u,a,i){return r||(r=u),h+=n.slice(p,i).replace(b,T),e&&(h+="'+__e("+e+")+'"),a&&(o=!0,h+="';"+a+";__p+='"),r&&(h+="'+((__t=("+r+"))==null?'':__t)+'"),p=i+t.length,t}),h+="';\n",v=r=r.variable,v||(r="obj",h="with("+r+"){"+h+"}"),h=(o?h.replace(f,""):h).replace(c,"$1").replace(l,"$1;"),h="function("+r+"){"+(v?"":r+"||("+r+"={});")+"var __t,__p='',__e=_.escape"+(o?",__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}":";")+h+"return __p}";
+},U.isString=ft,U.isUndefined=function(n){return typeof n=="undefined"},U.lastIndexOf=function(n,t,e){var r=n?n.length:0;for(typeof e=="number"&&(r=(0>e?le(0,r+e):pe(e,r-1))+1);r--;)if(n[r]===t)return r;return-1},U.mixin=Bt,U.noConflict=function(){return o._=Jt,this},U.parseInt=Tt,U.random=function(n,t){return n==u&&t==u&&(t=1),n=+n||0,t==u&&(t=n,n=0),n+Yt(ve()*((+t||0)-n+1))},U.reduce=dt,U.reduceRight=_t,U.result=function(n,t){var r=n?n[t]:e;return at(r)?n[t]():r},U.runInContext=t,U.size=function(n){var t=n?n.length:0;
-try{var m=Nt(u,"return "+h).apply(e,i)}catch(d){throw d.source=h,d}return t?m(t):(m.source=h,m)},a.unescape=function(n){return null==n?"":$t(n).replace(p,U)},a.uniqueId=function(n){var t=++o;return $t(null==n?"":n)+t},a.all=et,a.any=pt,a.detect=ut,a.foldl=ct,a.foldr=lt,a.include=tt,a.inject=ct,se(a,function(n,t){a.prototype[t]||(a.prototype[t]=function(){var t=[this.__wrapped__];return Vt.apply(t,arguments),n.apply(a,t)})}),a.first=st,a.last=function(n,t,e){if(n){var r=0,u=n.length;if(typeof t!="number"&&null!=t){var o=u;
+return typeof t=="number"?t:be(n).length},U.some=kt,U.sortedIndex=Et,U.template=function(n,t,u){var a=U.templateSettings;n||(n=""),u=P({},u,a);var o,i=P({},u.imports,a.imports),a=be(i),i=lt(i),f=0,c=u.interpolate||w,l="__p+='",c=Mt((u.escape||w).source+"|"+c.source+"|"+(c===d?m:w).source+"|"+(u.evaluate||w).source+"|$","g");n.replace(c,function(t,e,u,a,i,c){return u||(u=a),l+=n.slice(f,c).replace(C,L),e&&(l+="'+__e("+e+")+'"),i&&(o=r,l+="';"+i+";__p+='"),u&&(l+="'+((__t=("+u+"))==null?'':__t)+'"),f=c+t.length,t
-for(t=a.createCallback(t,e);o--&&t(n[o],o,n);)r++}else if(r=t,null==r||e)return n[u-1];return M(n,Zt(0,u-r))}},a.take=st,a.head=st,se(a,function(n,t){a.prototype[t]||(a.prototype[t]=function(t,e){var r=n(this.__wrapped__,t,e);return null==t||e&&typeof t!="function"?r:new z(r)})}),a.VERSION="1.1.1",a.prototype.toString=function(){return $t(this.__wrapped__)},a.prototype.value=jt,a.prototype.valueOf=jt,at(["join","pop","shift"],function(n){var t=Bt[n];a.prototype[n]=function(){return t.apply(this.__wrapped__,arguments)
+}),l+="';\n",c=u=u.variable,c||(u="obj",l="with("+u+"){"+l+"}"),l=(o?l.replace(v,""):l).replace(g,"$1").replace(y,"$1;"),l="function("+u+"){"+(c?"":u+"||("+u+"={});")+"var __t,__p='',__e=_.escape"+(o?",__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}":";")+l+"return __p}";try{var p=Dt(a,"return "+l).apply(e,i)}catch(s){throw s.source=l,s}return t?p(t):(p.source=l,p)},U.unescape=function(n){return n==u?"":Ut(n).replace(h,nt)},U.uniqueId=function(n){var t=++c;return Ut(n==u?"":n)+t
-}}),at(["push","reverse","sort","unshift"],function(n){var t=Bt[n];a.prototype[n]=function(){return t.apply(this.__wrapped__,arguments),this}}),at(["concat","slice","splice"],function(n){var t=Bt[n];a.prototype[n]=function(){return new z(t.apply(this.__wrapped__,arguments))}}),a}var e,r=typeof exports=="object"&&exports,u=typeof module=="object"&&module&&module.exports==r&&module,a=typeof global=="object"&&global;a.global===a&&(n=a);var o=0,i={},f=/\b__p\+='';/g,c=/\b(__p\+=)''\+/g,l=/(__e\(.*?\)|\b__t\))\+'';/g,p=/&(?:amp|lt|gt|quot|#39);/g,s=/\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g,v=/\w*$/,g=/<%=([\s\S]+?)%>/g,h=/^0+(?=.$)/,y=/($^)/,m=/[&<>"']/g,b=/['\n\r\t\u2028\u2029\\]/g,d="Array Boolean Date Function Math Number Object RegExp String _ attachEvent clearTimeout isFinite isNaN parseInt setImmediate setTimeout".split(" "),_="[object Arguments]",k="[object Array]",w="[object Boolean]",j="[object Date]",C="[object Number]",x="[object Object]",O="[object RegExp]",N="[object String]",E={"[object Function]":!1};
+},U.all=st,U.any=kt,U.detect=gt,U.foldl=dt,U.foldr=_t,U.include=pt,U.inject=dt,D(U,function(n,t){U.prototype[t]||(U.prototype[t]=function(){var t=[this.__wrapped__];return te.apply(t,arguments),n.apply(U,t)})}),U.first=jt,U.last=function(n,t,e){if(n){var r=0,a=n.length;if(typeof t!="number"&&t!=u){var o=a;for(t=U.createCallback(t,e);o--&&t(n[o],o,n);)r++}else if(r=t,r==u||e)return n[a-1];return Z(n,le(0,a-r))}},U.take=jt,U.head=jt,D(U,function(n,t){U.prototype[t]||(U.prototype[t]=function(t,e){var r=n(this.__wrapped__,t,e);
-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 W(r)})}),U.VERSION="1.2.1",U.prototype.toString=function(){return Ut(this.__wrapped__)},U.prototype.value=Ft,U.prototype.valueOf=Ft,yt(["join","pop","shift"],function(n){var t=Gt[n];U.prototype[n]=function(){return t.apply(this.__wrapped__,arguments)}}),yt(["push","reverse","sort","unshift"],function(n){var t=Gt[n];U.prototype[n]=function(){return t.apply(this.__wrapped__,arguments),this}}),yt(["concat","slice","splice"],function(n){var t=Gt[n];U.prototype[n]=function(){return new W(t.apply(this.__wrapped__,arguments))
+}}),U}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*$/,d=/<%=([\s\S]+?)%>/g,_=" \t\x0B\f\xa0\ufeff\n\r\u2028\u2029\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000",k=RegExp("^["+_+"]*0+(?=.$)"),w=/($^)/,j=/[&<>"']/g,C=/['\n\r\t\u2028\u2029\\]/g,x="Array Boolean Date Function Math Number Object RegExp String _ attachEvent clearTimeout isFinite isNaN parseInt setImmediate setTimeout".split(" "),O="[object Arguments]",E="[object Array]",I="[object Boolean]",N="[object Date]",S="[object Number]",A="[object Object]",$="[object RegExp]",B="[object String]",F={"[object Function]":a};
+F[O]=F[E]=F[I]=F[N]=F[S]=F[A]=F[$]=F[B]=r;var R={"boolean":a,"function":r,object:r,number:a,string:a,undefined:a},T={"\\":"\\","'":"'","\n":"n","\r":"r","\t":"t","\u2028":"u2028","\u2029":"u2029"},q=t();typeof define=="function"&&typeof define.amd=="object"&&define.amd?(n._=q,define(function(){return q})):o&&!o.nodeType?i?(i.exports=q)._=q:o._=q:n._=q})(this);

dist/lodash.underscore.js

@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 1.1.1 (Custom Build) <http://lodash.com/>
+ * Lo-Dash 1.2.1 (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)
@@ -195,14 +221,6 @@
   (function() {
     var object = { '0': 1, 'length': 1 };
 
-    /**
-     * Detect if `arguments` objects are `Object` objects (all but Opera < 10.5).
-     *
-     * @memberOf _.support
-     * @type Boolean
-     */
-    support.argsObject = arguments.constructor == Object;
-
     /**
      * Detect if `Function#bind` exists and is inferred to be fast (all but V8).
      *
@@ -354,7 +372,7 @@
       }
       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) {
@@ -474,13 +492,11 @@
    * // => true
    */
   var isArray = nativeIsArray || function(value) {
-    // `instanceof` may cause a memory leak in IE 7 if `value` is a host object
+    return value ? (typeof value == 'object' && toString.call(value) == arrayClass) : false;
-    // 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
+   * A fallback implementation of `Object.keys` which produces an array of the
    * given object's own enumerable property names.
    *
    * @private
@@ -631,7 +647,7 @@
    */
   function clone(value) {
     return isObject(value)
-      ? (isArray(value) ? slice.call(value) : assign({}, value))
+      ? (isArray(value) ? nativeSlice.call(value) : assign({}, value))
       : value;
   }
 
@@ -847,7 +863,7 @@
    * // => true
    */
   function isDate(value) {
-    return value instanceof Date || toString.call(value) == dateClass;
+    return value ? (typeof value == 'object' && toString.call(value) == dateClass) : false;
   }
 
   /**
@@ -1092,7 +1108,7 @@
   // fallback for older versions of Chrome and Safari
   if (isFunction(/x/)) {
     isFunction = function(value) {
-      return value instanceof Function || toString.call(value) == funcClass;
+      return typeof value == 'function' && toString.call(value) == funcClass;
     };
   }
 
@@ -1206,7 +1222,7 @@
    * // => true
    */
   function isRegExp(value) {
-    return value instanceof RegExp || toString.call(value) == regexpClass;
+    return value ? (objectTypes[typeof value] && toString.call(value) == regexpClass) : false;
   }
 
   /**
@@ -1270,11 +1286,11 @@
    * // => { '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 +1350,8 @@
    * // => { '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 +1625,9 @@
    * @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 +1669,29 @@
     }
   }
 
+  /**
+   * 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 +1802,7 @@
    * // => [['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 +2040,7 @@
   }
 
   /**
-   * 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 +2365,7 @@
    */
   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 +2451,12 @@
   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);
       }
     }
@@ -2496,14 +2537,14 @@
           return array[0];
         }
       }
-      return slice.call(array, 0, nativeMin(nativeMax(0, n), length));
+      return nativeSlice.call(array, 0, nativeMin(nativeMax(0, n), length));
     }
   }
 
   /**
    * Flattens a nested array (the nesting can be to any depth). If `isShallow`
    * is truthy, `array` will only be flattened a single level. If `callback`
-   * is passed, each element of `array` is passed through a callback` before
+   * is passed, each element of `array` is passed through a `callback` before
    * flattening. The `callback` is bound to `thisArg` and invoked with three
    * arguments; (value, index, array).
    *
@@ -2517,7 +2558,7 @@
    * @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 +2712,7 @@
     } 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 +2827,7 @@
           return array[length - 1];
         }
       }
-      return slice.call(array, nativeMax(0, length - n));
+      return nativeSlice.call(array, nativeMax(0, length - n));
     }
   }
 
@@ -2943,7 +2984,7 @@
     } else {
       n = (callback == null || thisArg) ? 1 : nativeMax(0, callback);
     }
-    return slice.call(array, n);
+    return nativeSlice.call(array, n);
   }
 
   /**
@@ -2963,7 +3004,7 @@
    * @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 +3067,10 @@
    * _.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));
   }
 
@@ -3034,7 +3078,7 @@
    * Creates a duplicate-value-free version of the `array` using strict equality
    * for comparisons, i.e. `===`. If the `array` is already sorted, passing `true`
    * for `isSorted` will run a faster algorithm. If `callback` is passed, each
-   * element of `array` is passed through a callback` before uniqueness is computed.
+   * element of `array` is passed through a `callback` before uniqueness is computed.
    * The `callback` is bound to `thisArg` and invoked with three arguments; (value, index, array).
    *
    * If a property name is passed for `callback`, the created "_.pluck" style
@@ -3121,17 +3165,7 @@
    * // => [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 +3291,7 @@
     // (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 +3318,8 @@
    * // => 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) {
@@ -3422,22 +3456,32 @@
   /**
    * 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.
+   *
+   * Note: If `leading` and `trailing` options are `true`, `func` will be called
+   * on the trailing edge of the timeout only if the the debounced function is
+   * invoked more than once during the `wait` timeout.
    *
    * @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);
+   *
+   * jQuery('#postbox').on('click', _.debounce(sendMail, 200, {
+   *   'leading': true,
+   *   'trailing': false
+   * });
    */
   function debounce(func, wait, immediate) {
     var args,
@@ -3482,7 +3526,7 @@
    * // 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 +3548,7 @@
    * // => '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 +3574,7 @@
   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));
@@ -3590,26 +3634,37 @@
    * // => '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. Pass an `options` object to
-   * function is invoked more than once during the `wait` timeout, `func` will
+   * indicate that `func` should be invoked on the leading and/or trailing edge
-   * also be called on the trailing edge of the timeout. Subsequent calls to the
+   * of the `wait` timeout. Subsequent calls to the throttled function will
-   * throttled function will return the result of the last `func` call.
+   * return the result of the last `func` call.
+   *
+   * Note: If `leading` and `trailing` options are `true`, `func` will be called
+   * on the trailing edge of the timeout only if the the throttled function is
+   * invoked more than once during the `wait` timeout.
    *
    * @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);
+   *
+   * jQuery('.interactive').on('click', _.throttle(renewToken, 300000, {
+   *   'trailing': false
+   * }));
    */
   function throttle(func, wait) {
     var args,
@@ -3836,9 +3891,6 @@
    * 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 +3901,7 @@
    * @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 +4050,7 @@
   }
 
   /**
-   * 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 +4332,7 @@
    * @memberOf _
    * @type String
    */
-  lodash.VERSION = '1.1.1';
+  lodash.VERSION = '1.2.1';
 
   // add functions to `lodash.prototype`
   mixin(lodash);
@@ -4289,36 +4341,36 @@
   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 +1,35 @@
 /**
  * @license
- * Lo-Dash 1.1.1 (Custom Build) lodash.com/license
+ * Lo-Dash 1.2.1 (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
  */
-;(function(n){function t(n,t){var r;if(n&&st[typeof n])for(r in n)if(jt.call(n,r)&&t(n[r],r,n)===Z)break}function r(n,t){var r;if(n&&st[typeof n])for(r in n)if(t(n[r],r,n)===Z)break}function e(n){var t,r=[];if(!n||!st[typeof n])return r;for(t in n)jt.call(n,t)&&r.push(t);return r}function u(n){return n instanceof u?n:new c(n)}function o(n,t){var r=n.b,e=t.b;if(n=n.a,t=t.a,n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1}return r<e?-1:1}function i(n,t,r){function e(){var f=arguments,c=o?this:t;
+;(function(n){function t(n){return n instanceof t?n:new i(n)}function r(n,t){var r=n.b,e=t.b;if(n=n.a,t=t.a,n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1}return r<e?-1:1}function e(n,t,r,e){function u(){var e=arguments,c=i?this:t;return o||(n=t[f]),r.length&&(e=e.length?(e=Bt.call(e),l?e.concat(r):r.concat(e)):r),this instanceof u?(a.prototype=n.prototype,c=new a,a.prototype=null,e=n.apply(c,e),m(e)?e:c):n.apply(c,e)}var o=y(n),i=!r,f=t;if(i){var l=e;r=t}else if(!o){if(!e)throw new TypeError;
-return u||(n=t[i]),r.length&&(f=f.length?(f=xt.call(f),a?f.concat(r):r.concat(f)):r),this instanceof e?(l.prototype=n.prototype,c=new l,l.prototype=J,f=n.apply(c,f),d(f)?f:c):n.apply(c,f)}var u=b(n),o=!r,i=t;if(o){var a=void 0;r=t}else if(!u)throw new TypeError;return e}function a(n){return"\\"+vt[n]}function f(n){return It[n]}function c(n){this.__wrapped__=n}function l(){}function p(n){return zt[n]}function s(n){return Ot.call(n)==ut}function v(n){if(!n)return n;for(var t=1,r=arguments.length;t<r;t++){var e=arguments[t];
+t=n}return u}function u(n){return"\\"+lt[n]}function o(n){return Dt[n]}function i(n){this.__wrapped__=n}function a(){}function f(n){return Mt[n]}function l(n){return dt.call(n)==nt}function c(n){if(!n)return n;for(var t=1,r=arguments.length;t<r;t++){var e=arguments[t];if(e)for(var u in e)n[u]=e[u]}return n}function p(n){if(!n)return n;for(var t=1,r=arguments.length;t<r;t++){var e=arguments[t];if(e)for(var u in e)null==n[u]&&(n[u]=e[u])}return n}function s(n){var t=[];return Tt(n,function(n,r){y(n)&&t.push(r)
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+}),t.sort()}function v(n){for(var t=-1,r=Rt(n),e=r.length,u={};++t<e;){var o=r[t];u[n[o]]=o}return u}function g(n){if(!n)return!0;if(Ft(n)||b(n))return!n.length;for(var t in n)if(mt.call(n,t))return!1;return!0}function h(n,r,e,u){if(n===r)return 0!==n||1/n==1/r;var o=typeof n,i=typeof r;if(n===n&&(!n||"function"!=o&&"object"!=o)&&(!r||"function"!=i&&"object"!=i))return!1;if(null==n||null==r)return n===r;if(i=dt.call(n),o=dt.call(r),i!=o)return!1;switch(i){case rt:case et:return+n==+r;case ut:return n!=+n?r!=+r:0==n?1/n==1/r:n==+r;
-var i=typeof n,a=typeof t;if(n===n&&(!n||"function"!=i&&"object"!=i)&&(!t||"function"!=a&&"object"!=a))return K;if(n==J||t==J)return n===t;if(a=Ot.call(n),i=Ot.call(t),a!=i)return K;switch(a){case it:case at:return+n==+t;case ft:return n!=+n?t!=+t:0==n?1/n==1/t:n==+t;case lt:case pt:return n==t+""}if(i=a==ot,!i){if(n instanceof u||t instanceof u)return _(n.__wrapped__||n,t.__wrapped__||t,e,o);if(a!=ct)return K;var a=n.constructor,f=t.constructor;if(a!=f&&(!b(a)||!(a instanceof a&&b(f)&&f instanceof f)))return K
+case it:case at:return n==r+""}if(o=i==tt,!o){if(n instanceof t||r instanceof t)return h(n.__wrapped__||n,r.__wrapped__||r,e,u);if(i!=ot)return!1;var i=n.constructor,a=r.constructor;if(i!=a&&(!y(i)||!(i instanceof i&&y(a)&&a instanceof a)))return!1}for(e||(e=[]),u||(u=[]),i=e.length;i--;)if(e[i]==n)return u[i]==r;var f=!0,l=0;if(e.push(n),u.push(r),o){if(l=r.length,f=l==n.length)for(;l--&&(f=h(n[l],r[l],e,u)););return f}return Tt(r,function(t,r,o){return mt.call(o,r)?(l++,!(f=mt.call(n,r)&&h(n[r],t,e,u))&&K):void 0
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+}),f&&Tt(n,function(n,t,r){return mt.call(r,t)?!(f=-1<--l)&&K:void 0}),f}function y(n){return typeof n=="function"}function m(n){return n?ft[typeof n]:!1}function _(n){return typeof n=="number"||dt.call(n)==ut}function b(n){return typeof n=="string"||dt.call(n)==at}function d(n){for(var t=-1,r=Rt(n),e=r.length,u=Array(e);++t<e;)u[t]=n[r[t]];return u}function j(n,t){var r=!1;return typeof(n?n.length:0)=="number"?r=-1<T(n,t):$t(n,function(n){return(r=n===t)&&K}),r}function w(n,t,r){var e=!0;t=P(t,r),r=-1;
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+u[t]=[o,n[o]]}return u},t.partial=function(n){return e(n,Bt.call(arguments,1))},t.pick=function(n){for(var t=-1,r=ht.apply(ct,Bt.call(arguments,1)),e=r.length,u={};++t<e;){var o=r[t];o in n&&(u[o]=n[o])}return u},t.pluck=N,t.range=function(n,t,r){n=+n||0,r=+r||1,null==t&&(t=n,n=0);var e=-1;t=Ot(0,vt((t-n)/r));for(var u=Array(t);++e<t;)u[e]=n,n+=r;return u},t.reject=function(n,t,r){return t=P(t,r),A(n,function(n,r,e){return!t(n,r,e)})},t.rest=$,t.shuffle=function(n){var t=-1,r=n?n.length:0,e=Array(typeof r=="number"?r:0);
-}),u=i.length,i.sort(o);u--;)i[u]=i[u].c;return i},u.tap=function(n,t){return t(n),n},u.throttle=function(n,t){function r(){a=new Date,i=J,u=n.apply(o,e)}var e,u,o,i,a=0;return function(){var f=new Date,c=t-(f-a);return e=arguments,o=this,0<c?i||(i=At(r,c)):(_t(i),i=J,a=f,u=n.apply(o,e)),u}},u.times=function(n,t,r){for(var e=-1,u=Array(-1<n?n:0);++e<n;)u[e]=t.call(r,e);return u},u.toArray=function(n){return Tt(n)?xt.call(n):n&&typeof n.length=="number"?k(n):A(n)},u.union=function(){return P(bt.apply(gt,arguments))
+return E(n,function(n){var r=yt(Nt()*(++t+1));e[t]=e[r],e[r]=n}),e},t.sortBy=function(n,t,e){var u=-1,o=n?n.length:0,i=Array(typeof o=="number"?o:0);for(t=P(t,e),E(n,function(n,r,e){i[++u]={a:t(n,r,e),b:u,c:n}}),o=i.length,i.sort(r);o--;)i[o]=i[o].c;return i},t.tap=function(n,t){return t(n),n},t.throttle=function(n,t){function r(){a=new Date,i=null,u=n.apply(o,e)}var e,u,o,i,a=0;return function(){var f=new Date,l=t-(f-a);return e=arguments,o=this,0<l?i||(i=bt(r,l)):(gt(i),i=null,a=f,u=n.apply(o,e)),u
-},u.uniq=P,u.values=A,u.where=M,u.without=function(n){for(var t=-1,r=n.length,e=[];++t<r;){var u=n[t];0>I(arguments,u,1)&&e.push(u)}return e},u.wrap=function(n,t){return function(){var r=[n];return wt.apply(r,arguments),t.apply(this,r)}},u.zip=function(n){for(var t=-1,r=n?B(F(arguments,"length")):0,e=Array(r);++t<r;)e[t]=F(arguments,t);return e},u.collect=k,u.drop=z,u.each=N,u.extend=v,u.methods=h,u.object=function(n,t){for(var r=-1,e=n?n.length:0,u={};++r<e;){var o=n[r];t?u[o]=t[r]:u[o[0]]=o[1]}return u
+}},t.times=function(n,t,r){for(var e=-1,u=Array(-1<n?n:0);++e<n;)u[e]=t.call(r,e);return u},t.toArray=function(n){return Ft(n)?Bt.call(n):n&&typeof n.length=="number"?O(n):d(n)},t.union=function(n){return Ft(n)||(arguments[0]=n?Bt.call(n):ct),z(ht.apply(ct,arguments))},t.uniq=z,t.values=d,t.where=F,t.without=function(n){return R(n,Bt.call(arguments,1))},t.wrap=function(n,t){return function(){var r=[n];return _t.apply(r,arguments),t.apply(this,r)}},t.zip=function(n){for(var t=-1,r=n?S(N(arguments,"length")):0,e=Array(r);++t<r;)e[t]=N(arguments,t);
-},u.select=E,u.tail=z,u.unique=P,u.clone=function(n){return d(n)?Tt(n)?xt.call(n):v({},n):n},u.contains=x,u.escape=function(n){return n==J?"":(n+"").replace(rt,f)},u.every=O,u.find=S,u.findWhere=function(n,t){return M(n,t,H)},u.has=function(n,t){return n?jt.call(n,t):K},u.identity=W,u.indexOf=I,u.isArguments=s,u.isArray=Tt,u.isBoolean=function(n){return n===H||n===K||Ot.call(n)==it},u.isDate=function(n){return n instanceof Date||Ot.call(n)==at},u.isElement=function(n){return n?1===n.nodeType:K},u.isEmpty=m,u.isEqual=_,u.isFinite=function(n){return Nt(n)&&!kt(parseFloat(n))
+return e},t.collect=O,t.drop=$,t.each=E,t.extend=c,t.methods=s,t.object=function(n,t){for(var r=-1,e=n?n.length:0,u={};++r<e;){var o=n[r];t?u[o]=t[r]:u[o[0]]=o[1]}return u},t.select=A,t.tail=$,t.unique=z,t.clone=function(n){return m(n)?Ft(n)?Bt.call(n):c({},n):n},t.contains=j,t.escape=function(n){return null==n?"":(n+"").replace(Y,o)},t.every=w,t.find=x,t.findWhere=function(n,t){return F(n,t,!0)},t.has=function(n,t){return n?mt.call(n,t):!1},t.identity=U,t.indexOf=T,t.isArguments=l,t.isArray=Ft,t.isBoolean=function(n){return!0===n||!1===n||dt.call(n)==rt
-},u.isFunction=b,u.isNaN=function(n){return j(n)&&n!=+n},u.isNull=function(n){return n===J},u.isNumber=j,u.isObject=d,u.isRegExp=function(n){return n instanceof RegExp||Ot.call(n)==lt},u.isString=w,u.isUndefined=function(n){return typeof n=="undefined"},u.lastIndexOf=function(n,t,r){var e=n?n.length:0;for(typeof r=="number"&&(e=(0>r?Ft(0,e+r):Rt(r,e-1))+1);e--;)if(n[e]===t)return e;return-1},u.mixin=G,u.noConflict=function(){return n._=ht,this},u.random=function(n,t){return n==J&&t==J&&(t=1),n=+n||0,t==J&&(t=n,n=0),n+dt(qt()*((+t||0)-n+1))
+},t.isDate=function(n){return n?typeof n=="object"&&dt.call(n)==et:!1},t.isElement=function(n){return n?1===n.nodeType:!1},t.isEmpty=g,t.isEqual=h,t.isFinite=function(n){return At(n)&&!xt(parseFloat(n))},t.isFunction=y,t.isNaN=function(n){return _(n)&&n!=+n},t.isNull=function(n){return null===n},t.isNumber=_,t.isObject=m,t.isRegExp=function(n){return n?ft[typeof n]&&dt.call(n)==it:!1},t.isString=b,t.isUndefined=function(n){return typeof n=="undefined"},t.lastIndexOf=function(n,t,r){var e=n?n.length:0;
-},u.reduce=R,u.reduceRight=q,u.result=function(n,t){var r=n?n[t]:J;return b(r)?n[t]():r},u.size=function(n){var t=n?n.length:0;return typeof t=="number"?t:$t(n).length},u.some=D,u.sortedIndex=C,u.template=function(n,t,r){n||(n=""),r=g({},r,u.templateSettings);var e=0,o="__p+='",i=r.variable;n.replace(RegExp((r.escape||tt).source+"|"+(r.interpolate||tt).source+"|"+(r.evaluate||tt).source+"|$","g"),function(t,r,u,i,f){return o+=n.slice(e,f).replace(et,a),r&&(o+="'+_['escape']("+r+")+'"),i&&(o+="';"+i+";__p+='"),u&&(o+="'+((__t=("+u+"))==null?'':__t)+'"),e=f+t.length,t
+for(typeof r=="number"&&(e=(0>r?Ot(0,e+r):St(r,e-1))+1);e--;)if(n[e]===t)return e;return-1},t.mixin=V,t.noConflict=function(){return n._=pt,this},t.random=function(n,t){return null==n&&null==t&&(t=1),n=+n||0,null==t&&(t=n,n=0),n+yt(Nt()*((+t||0)-n+1))},t.reduce=B,t.reduceRight=k,t.result=function(n,t){var r=n?n[t]:null;return y(r)?n[t]():r},t.size=function(n){var t=n?n.length:0;return typeof t=="number"?t:Rt(n).length},t.some=q,t.sortedIndex=I,t.template=function(n,r,e){n||(n=""),e=p({},e,t.templateSettings);
-}),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;
+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(t,r,e,a,f){return i+=n.slice(o,f).replace(Z,u),r&&(i+="'+_['escape']("+r+")+'"),a&&(i+="';"+a+";__p+='"),e&&(i+="'+((__t=("+e+"))==null?'':__t)+'"),o=f+t.length,t}),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)(t)
-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
+}catch(l){throw l.source=i,l}return r?f(r):(f.source=i,f)},t.unescape=function(n){return null==n?"":(n+"").replace(Q,f)},t.uniqueId=function(n){var t=++J+"";return n?n+t:t},t.all=w,t.any=q,t.detect=x,t.foldl=B,t.foldr=k,t.include=j,t.inject=B,t.first=D,t.last=function(n,t,r){if(n){var e=0,u=n.length;if(typeof t!="number"&&null!=t){var o=u;for(t=P(t,r);o--&&t(n[o],o,n);)e++}else if(e=t,null==e||r)return n[u-1];return Bt.call(n,Ot(0,u-e))}},t.take=D,t.head=D,t.chain=function(n){return n=new i(n),n.__chain__=!0,n
-}}),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);
+},t.VERSION="1.2.1",V(t),t.prototype.chain=function(){return this.__chain__=!0,this},t.prototype.value=function(){return this.__wrapped__},E("pop push reverse shift sort splice unshift".split(" "),function(n){var r=ct[n];t.prototype[n]=function(){var n=this.__wrapped__;return r.apply(n,arguments),!qt.spliceObjects&&0===n.length&&delete n[0],this}}),E(["concat","join","slice"],function(n){var r=ct[n];t.prototype[n]=function(){var n=r.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._=t,define(function(){return t})):W&&!W.nodeType?G?(G.exports=t)._=t:W._=t:n._=t})(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>v1.2.1</sup>',
     'toc'   => 'categories',
-    'url'   => 'https://github.com/lodash/lodash/blob/1.1.1/lodash.js'
+    'url'   => 'https://github.com/lodash/lodash/blob/1.2.1/lodash.js'
   ));
 
   // save to a .md file

index.js

@@ -1 +1 @@
-module.exports = require('./lodash');
+module.exports = require('./dist/lodash.compat.js');

lodash.js

@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 1.1.1 <http://lodash.com/>
+ * Lo-Dash 1.2.1 <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,
@@ -49,8 +55,20 @@
   /** Used to match "interpolate" template delimiters */
   var reInterpolate = /<%=([\s\S]+?)%>/g;
 
-  /** Used to match leading zeros to be removed */
+  /** Used to detect and test whitespace */
-  var reLeadingZeros = /^0+(?=.$)/;
+  var whitespace = (
+    // whitespace
+    ' \t\x0B\f\xA0\ufeff' +
+
+    // line terminators
+    '\n\r\u2028\u2029' +
+
+    // unicode category "Zs" space separators
+    '\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'
+  );
+
+  /** Used to match leading whitespace and zeros to be removed */
+  var reLeadingSpacesAndZeros = RegExp('^[' + whitespace + ']*0+(?=.$)');
 
   /** Used to ensure capturing order of template delimiters */
   var reNoMatch = /($^)/;
@@ -174,7 +192,7 @@
         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 +200,8 @@
         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 +220,7 @@
     /*--------------------------------------------------------------------------*/
 
     /**
-     * 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 +238,8 @@
      * `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 +258,26 @@
      * @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 +305,12 @@
       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 +476,7 @@
      * 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 +612,27 @@
      * @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 +718,7 @@
         }
         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 +744,7 @@
      * @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 +848,7 @@
     }
 
     /**
-     * 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.
@@ -936,13 +972,11 @@
      * // => true
      */
     var isArray = nativeIsArray || function(value) {
-      // `instanceof` may cause a memory leak in IE 7 if `value` is a host object
+      return value ? (typeof value == 'object' && toString.call(value) == arrayClass) : false;
-      // 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
+     * A fallback implementation of `Object.keys` which produces an array of the
      * given object's own enumerable property names.
      *
      * @private
@@ -1255,7 +1289,6 @@
      */
     var defaults = createIterator(defaultsIteratorOptions);
 
-
     /**
      * This method is similar to `_.find`, except that it returns the key of the
      * element that passes the callback check, instead of the element itself.
@@ -1263,7 +1296,7 @@
      * @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 +1304,16 @@
      * @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;
         }
@@ -1443,7 +1478,7 @@
      * // => true
      */
     function isDate(value) {
-      return value instanceof Date || toString.call(value) == dateClass;
+      return value ? (typeof value == 'object' && toString.call(value) == dateClass) : false;
     }
 
     /**
@@ -1546,11 +1581,8 @@
     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;
@@ -1750,7 +1782,7 @@
     // fallback for older versions of Chrome and Safari
     if (isFunction(/x/)) {
       isFunction = function(value) {
-        return value instanceof Function || toString.call(value) == funcClass;
+        return typeof value == 'function' && toString.call(value) == funcClass;
       };
     }
 
@@ -1900,7 +1932,7 @@
      * // => true
      */
     function isRegExp(value) {
-      return value instanceof RegExp || toString.call(value) == regexpClass;
+      return value ? (objectTypes[typeof value] && toString.call(value) == regexpClass) : false;
     }
 
     /**
@@ -2036,22 +2068,24 @@
               }
             }
             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 +2140,12 @@
       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 +2208,8 @@
     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 +2279,7 @@
      */
     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 +2534,9 @@
      * @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 +2684,7 @@
      * // => [['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 +2914,7 @@
     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 +3321,8 @@
     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 +3341,7 @@
      * @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 +3349,18 @@
      * @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;
         }
       }
@@ -3410,7 +3448,7 @@
     /**
      * Flattens a nested array (the nesting can be to any depth). If `isShallow`
      * is truthy, `array` will only be flattened a single level. If `callback`
-     * is passed, each element of `array` is passed through a callback` before
+     * is passed, each element of `array` is passed through a `callback` before
      * flattening. The `callback` is bound to `thisArg` and invoked with three
      * arguments; (value, index, array).
      *
@@ -3424,7 +3462,7 @@
      * @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 +3653,7 @@
           cache = { '0': {} },
           index = -1,
           length = array ? array.length : 0,
-          isLarge = length >= 100,
+          isLarge = length >= largeArraySize,
           result = [],
           seen = result;
 
@@ -3623,8 +3661,8 @@
       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 +3672,7 @@
           }
           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 +3933,7 @@
      * @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 +3996,10 @@
      * _.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));
     }
 
@@ -3966,7 +4007,7 @@
      * Creates a duplicate-value-free version of the `array` using strict equality
      * for comparisons, i.e. `===`. If the `array` is already sorted, passing `true`
      * for `isSorted` will run a faster algorithm. If `callback` is passed, each
-     * element of `array` is passed through a callback` before uniqueness is computed.
+     * element of `array` is passed through a `callback` before uniqueness is computed.
      * The `callback` is bound to `thisArg` and invoked with three arguments; (value, index, array).
      *
      * If a property name is passed for `callback`, the created "_.pluck" style
@@ -4018,7 +4059,7 @@
         isSorted = false;
       }
       // init value cache for large arrays
-      var isLarge = !isSorted && length >= 75;
+      var isLarge = !isSorted && length >= largeArraySize;
       if (isLarge) {
         var cache = {};
       }
@@ -4031,8 +4072,8 @@
             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 +4090,37 @@
       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 +4137,7 @@
      * // => [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 +4263,7 @@
       // (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 +4290,8 @@
      * // => 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 +4336,7 @@
      * // => 'hi, moe!'
      */
     function bindKey(object, key) {
-      return createBound(object, key, slice(arguments, 2), indicatorObject);
+      return createBound(object, key, nativeSlice.call(arguments, 2), indicatorObject);
     }
 
     /**
@@ -4405,45 +4466,64 @@
     /**
      * 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.
+     *
+     * Note: If `leading` and `trailing` options are `true`, `func` will be called
+     * on the trailing edge of the timeout only if the the debounced function is
+     * invoked more than once during the `wait` timeout.
      *
      * @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);
+     *
+     * jQuery('#postbox').on('click', _.debounce(sendMail, 200, {
+     *   'leading': true,
+     *   'trailing': false
+     * });
      */
-    function debounce(func, wait, immediate) {
+    function debounce(func, wait, options) {
       var args,
+          inited,
           result,
           thisArg,
-          timeoutId;
+          timeoutId,
+          trailing = true;
 
       function delayed() {
-        timeoutId = null;
+        inited = 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;
         args = arguments;
         thisArg = this;
-
         clearTimeout(timeoutId);
-        timeoutId = setTimeout(delayed, wait);
 
-        if (isImmediate) {
+        if (!inited && leading) {
+          inited = true;
           result = func.apply(thisArg, args);
+        } else {
+          timeoutId = setTimeout(delayed, wait);
         }
         return result;
       };
@@ -4465,7 +4545,7 @@
      * // 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 +4571,7 @@
      * // => '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 +4597,7 @@
     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 +4657,7 @@
      * // => 'hi moe'
      */
     function partial(func) {
-      return createBound(func, slice(arguments, 1));
+      return createBound(func, nativeSlice.call(arguments, 1));
     }
 
     /**
@@ -4608,43 +4688,66 @@
      * // => { '_': _, '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. Pass an `options` object to
-     * function is invoked more than once during the `wait` timeout, `func` will
+     * indicate that `func` should be invoked on the leading and/or trailing edge
-     * also be called on the trailing edge of the timeout. Subsequent calls to the
+     * of the `wait` timeout. Subsequent calls to the throttled function will
-     * throttled function will return the result of the last `func` call.
+     * return the result of the last `func` call.
+     *
+     * Note: If `leading` and `trailing` options are `true`, `func` will be called
+     * on the trailing edge of the timeout only if the the throttled function is
+     * invoked more than once during the `wait` timeout.
      *
      * @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);
+     *
+     * jQuery('.interactive').on('click', _.throttle(renewToken, 300000, {
+     *   'trailing': false
+     * }));
      */
-    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) {
+          lastCalled = new Date;
+          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;
 
@@ -4786,6 +4889,8 @@
 
     /**
      * Converts the given `value` into an integer of the specified `radix`.
+     * If `radix` is `undefined` or `0`, a `radix` of `10` is used unless the
+     * `value` is a hexadecimal, in which case a `radix` of `16` is used.
      *
      * Note: This method avoids differences in native ES3 and ES5 `parseInt`
      * implementations. See http://es5.github.com/#E.
@@ -4793,16 +4898,17 @@
      * @static
      * @memberOf _
      * @category Utilities
-     * @param {Mixed} value The value to parse.
+     * @param {String} value The value to parse.
+     * @param {Number} [radix] The radix used to interpret the value to parse.
      * @returns {Number} Returns the new integer value.
      * @example
      *
      * _.parseInt('08');
      * // => 8
      */
-    var parseInt = nativeParseInt('08') == 8 ? nativeParseInt : function(value, radix) {
+    var parseInt = nativeParseInt(whitespace + '08') == 8 ? nativeParseInt : function(value, radix) {
       // Firefox and Opera still follow the ES3 specified implementation of `parseInt`
-      return nativeParseInt(isString(value) ? value.replace(reLeadingZeros, '') : value, radix || 0);
+      return nativeParseInt(isString(value) ? value.replace(reLeadingSpacesAndZeros, '') : value, radix || 0);
     };
 
     /**
@@ -4874,9 +4980,6 @@
      * 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 +4990,7 @@
      * @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 +5190,7 @@
     }
 
     /**
-     * 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 +5343,7 @@
     lodash.toArray = toArray;
     lodash.union = union;
     lodash.uniq = uniq;
+    lodash.unzip = unzip;
     lodash.values = values;
     lodash.where = where;
     lodash.without = without;
@@ -5357,7 +5461,7 @@
      * @memberOf _
      * @type String
      */
-    lodash.VERSION = '1.1.1';
+    lodash.VERSION = '1.2.1';
 
     // add "Chaining" functions to the wrapper
     lodash.prototype.toString = wrapperToString;

package.json

@@ -1,9 +1,10 @@
 {
   "name": "lodash",
-  "version": "1.1.1",
+  "version": "1.2.1",
   "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"
+    "main": "./dist/lodash.compat.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/index.html

@@ -34,13 +34,13 @@
 		<script src="../vendor/firebug-lite/src/firebug-lite-debug.js"></script>
 		<script src="perf-ui.js"></script>
 		<script>
-			document.write('<script src="../' + ui.buildPath + '"><\/script>');
+			document.write('<script src="' + ui.buildPath + '"><\/script>');
 		</script>
 		<script>
 			var lodash = _.noConflict();
 		</script>
 		<script>
-			document.write('<script src="../' + ui.otherPath + '"><\/script>');
+			document.write('<script src="' + ui.otherPath + '"><\/script>');
 		</script>
 		<script src="perf.js"></script>
 		<script>

perf/perf-ui.js

@@ -1,6 +1,9 @@
 ;(function(window) {
   'use strict';
 
+  /** The base path of the builds */
+  var basePath = '../';
+
   /** The Lo-Dash build to load */
   var build = (/build=([^&]+)/.exec(location.search) || [])[1];
 
@@ -33,26 +36,38 @@
 
   // expose Lo-Dash build file path
   ui.buildPath = (function() {
+    var result;
     switch (build) {
-      case 'lodash-dev':        return 'dist/lodash.compat.js';
+      case 'lodash-compat':     result = 'dist/lodash.compat.min.js'; break;
-      case 'lodash-modern':     return 'dist/lodash.min.js';
+      case 'lodash-legacy':     result = 'dist/lodash.legacy.min.js'; break;
-      case 'lodash-underscore': return 'dist/lodash.underscore.min.js';
+      case 'lodash-mobile':     result = 'dist/lodash.mobile.min.js'; break;
-      case 'lodash-custom':     return 'lodash.custom.min.js';
+      case 'lodash-underscore': result = 'dist/lodash.underscore.min.js'; break;
+      case 'lodash-custom-dev': result = 'lodash.custom.js'; break;
+      case 'lodash-custom':     result = 'lodash.custom.min.js'; break;
+      case 'lodash-modern':
+      case  undefined:          result = 'dist/lodash.min.js'; break;
+      default:                  result = build;
     }
-    return 'dist/lodash.compat.min.js';
+    return result == build ? result : (basePath + result);
   }());
 
   // expose other library file path
   ui.otherPath = (function() {
+    var result;
     switch (other) {
-      case 'lodash-dev':        return 'dist/lodash.compat.js';
+      case 'lodash-compat':     result = 'dist/lodash.compat.min.js'; break;
-      case 'lodash-prod':       return 'dist/lodash.compat.min.js';
+      case 'lodash-legacy':     result = 'dist/lodash.legacy.min.js'; break;
-      case 'lodash-modern':     return 'dist/lodash.min.js';
+      case 'lodash-mobile':     result = 'dist/lodash.mobile.min.js'; break;
-      case 'lodash-underscore': return 'dist/lodash.underscore.min.js';
+      case 'lodash-modern':     result = 'dist/lodash.min.js'; break;
-      case 'lodash-custom':     return 'lodash.custom.min.js';
+      case 'lodash-underscore': result = 'dist/lodash.underscore.min.js'; break;
-      case 'underscore-dev':    return 'vendor/underscore/underscore.js';
+      case 'lodash-custom-dev': result = 'lodash.custom.js'; break;
+      case 'lodash-custom':     result = 'lodash.custom.min.js'; break;
+      case 'underscore-dev':    result = 'vendor/underscore/underscore.js'; break;
+      case 'underscore':
+      case  undefined:          result = 'vendor/underscore/underscore-min.js'; break;
+      default:                  result = other;
     }
-    return 'vendor/underscore/underscore-min.js';
+    return result == other ? result : (basePath + result);
   }());
 
   // initialize controls
@@ -76,11 +91,13 @@
     span1.innerHTML =
       '<label for="perf-build">Build: </label>' +
       '<select id="perf-build">' +
-      '<option value="lodash-dev">Lo-Dash</option>' +
+      '<option value="lodash-compat">Lo-Dash (compat)</option>' +
-      '<option value="lodash-prod">Lo-Dash (minified)</option>' +
+      '<option value="lodash-legacy">Lo-Dash (legacy)</option>' +
+      '<option value="lodash-mobile">Lo-Dash (mobile)</option>' +
       '<option value="lodash-modern">Lo-Dash (modern)</option>' +
       '<option value="lodash-underscore">Lo-Dash (underscore)</option>' +
-      '<option value="lodash-custom">Lo-Dash (custom)</option>' +
+      '<option value="lodash-custom-dev">Lo-Dash (custom development)</option>' +
+      '<option value="lodash-custom">Lo-Dash (custom production)</option>' +
       '</select>';
 
     var span2 = document.createElement('span');
@@ -88,13 +105,15 @@
     span2.innerHTML =
       '<label for="perf-other">Other Library: </label>' +
       '<select id="perf-other">' +
-      '<option value="underscore-dev">Underscore</option>' +
+      '<option value="underscore-dev">Underscore (development)</option>' +
-      '<option value="underscore-prod">Underscore (minified)</option>' +
+      '<option value="underscore">Underscore (production)</option>' +
-      '<option value="lodash-dev">Lo-Dash</option>' +
+      '<option value="lodash-compat">Lo-Dash (compat)</option>' +
-      '<option value="lodash-prod">Lo-Dash (minified)</option>' +
+      '<option value="lodash-legacy">Lo-Dash (legacy)</option>' +
+      '<option value="lodash-mobile">Lo-Dash (mobile)</option>' +
       '<option value="lodash-modern">Lo-Dash (modern)</option>' +
       '<option value="lodash-underscore">Lo-Dash (underscore)</option>' +
-      '<option value="lodash-custom">Lo-Dash (custom)</option>' +
+      '<option value="lodash-custom-dev">Lo-Dash (custom development)</option>' +
+      '<option value="lodash-custom">Lo-Dash (custom production)</option>' +
       '</select>';
 
     var buildList = span1.lastChild,
@@ -106,24 +125,32 @@
 
     buildList.selectedIndex = (function() {
       switch (build) {
-        case 'lodash-dev':        return 0;
+        case 'lodash-compat':     return 0;
-        case 'lodash-modern':     return 2;
+        case 'lodash-legacy':     return 1;
-        case 'lodash-underscore': return 3;
+        case 'lodash-mobile':     return 2;
-        case 'lodash-custom':     return 4;
+        case 'lodash-underscore': return 4;
+        case 'lodash-custom-dev': return 5;
+        case 'lodash-custom':     return 6;
+        case 'lodash-modern':
+        case undefined:           return 3;
       }
-      return 1;
+      return -1;
     }());
 
     otherList.selectedIndex = (function() {
       switch (other) {
         case 'underscore-dev':    return 0;
-        case 'lodash-dev':        return 2;
+        case 'lodash-compat':     return 2;
-        case 'lodash-prod':       return 3;
+        case 'lodash-legacy':     return 3;
-        case 'lodash-modern':     return 4;
+        case 'lodash-mobile':     return 4;
-        case 'lodash-underscore': return 5;
+        case 'lodash-modern':     return 5;
-        case 'lodash-custom':     return 6;
+        case 'lodash-underscore': return 6;
+        case 'lodash-custom-dev': return 7;
+        case 'lodash-custom':     return 8;
+        case 'underscore':
+        case undefined:           return 1;
       }
-      return 1;
+      return -1;
     }());
 
     addListener(buildList, 'change', eventHandler);

perf/perf.js

@@ -58,7 +58,7 @@
   var reSpecialChars = /[.*+?^=!:${}()|[\]\/\\]/g;
 
   /** Used to score performance */
-  var score = { 'a': 0, 'b': 0 };
+  var score = { 'a': [], 'b': [] };
 
   /** Used to queue benchmark suites */
   var suites = [];
@@ -67,16 +67,16 @@
   var toString = Object.prototype.toString;
 
   /** The `ui` object */
-  var ui = window.ui || ({
+  var ui = window.ui || (window.ui = {
     'buildPath': basename(filePath, '.js'),
     'otherPath': 'underscore'
   });
 
   /** The Lo-Dash build basename */
-  var buildName = basename(ui.buildPath, '.js');
+  var buildName = window.buildName = basename(ui.buildPath, '.js');
 
   /** The other library basename */
-  var otherName = basename(ui.otherPath, '.js');
+  var otherName = window.otherName = basename(ui.otherPath, '.js');
 
   /** Detect if in a browser environment */
   var isBrowser = isHostType(window, 'document') && isHostType(window, 'navigator');
@@ -105,6 +105,20 @@
       : result.replace(RegExp(extension.replace(reSpecialChars, '\\$&') + '$'), '');
   }
 
+  /**
+   * Computes the geometric mean (log-average) of an array of values.
+   * See http://en.wikipedia.org/wiki/Geometric_mean#Relationship_with_arithmetic_mean_of_logarithms.
+   *
+   * @private
+   * @param {Array} array The array of values.
+   * @returns {Number} The geometric mean.
+   */
+  function getGeometricMean(array) {
+    return Math.pow(Math.E, lodash.reduce(array, function(sum, x) {
+      return sum + Math.log(x);
+    }, 0) / array.length) || 0;
+  }
+
   /**
    * Gets the Hz, i.e. operations per second, of `bench` adjusted for the
    * margin of error.
@@ -174,31 +188,41 @@
       log(event.target);
     },
     'onComplete': function() {
-      var formatNumber = Benchmark.formatNumber,
+      for (var index = 0, length = this.length; index < length; index++) {
-          fastest = this.filter('fastest'),
+        var bench = this[index];
-          fastestHz = getHz(fastest[0]),
+        if (bench.error) {
-          slowest = this.filter('slowest'),
+          var errored = true;
-          slowestHz = getHz(slowest[0]),
+        }
-          aHz = getHz(this[0]),
+      }
-          bHz = getHz(this[1]);
+      if (errored) {
-
+        log('There was a problem, skipping...');
-      if (fastest.length > 1) {
-        log('It\'s too close to call.');
-        aHz = bHz = slowestHz;
       }
       else {
-        var percent = ((fastestHz / slowestHz) - 1) * 100;
+        var formatNumber = Benchmark.formatNumber,
+            fastest = this.filter('fastest'),
+            fastestHz = getHz(fastest[0]),
+            slowest = this.filter('slowest'),
+            slowestHz = getHz(slowest[0]),
+            aHz = getHz(this[0]),
+            bHz = getHz(this[1]);
 
-        log(
+        if (fastest.length > 1) {
-          fastest[0].name + ' is ' +
+          log('It\'s too close to call.');
-          formatNumber(percent < 1 ? percent.toFixed(2) : Math.round(percent)) +
+          aHz = bHz = slowestHz;
-          '% faster.'
+        }
-        );
+        else {
+          var percent = ((fastestHz / slowestHz) - 1) * 100;
+
+          log(
+            fastest[0].name + ' is ' +
+            formatNumber(percent < 1 ? percent.toFixed(2) : Math.round(percent)) +
+            '% faster.'
+          );
+        }
+        // add score adjusted for margin of error
+        score.a.push(aHz);
+        score.b.push(bHz);
       }
-      // add score adjusted for margin of error
-      score.a += aHz;
-      score.b += bHz;
-
       // remove current suite from queue
       suites.shift();
 
@@ -207,14 +231,16 @@
         suites[0].run({ 'async': !isJava });
       }
       else {
-        var fastestTotalHz = Math.max(score.a, score.b),
+        var aMeanHz = getGeometricMean(score.a),
-            slowestTotalHz = Math.min(score.a, score.b),
+            bMeanHz = getGeometricMean(score.b),
-            totalPercent = formatNumber(Math.round(((fastestTotalHz  / slowestTotalHz) - 1) * 100)),
+            fastestMeanHz = Math.max(aMeanHz, bMeanHz),
-            totalX = fastestTotalHz / slowestTotalHz,
+            slowestMeanHz = Math.min(aMeanHz, bMeanHz),
-            message = 'is ' + totalPercent + '% ' + (totalX == 1 ? '' : '(' + formatNumber(totalX.toFixed(2)) + 'x) ') + 'faster than';
+            xFaster = fastestMeanHz / slowestMeanHz,
+            percentFaster = formatNumber(Math.round((xFaster - 1) * 100)),
+            message = 'is ' + percentFaster + '% ' + (xFaster == 1 ? '' : '(' + formatNumber(xFaster.toFixed(2)) + 'x) ') + 'faster than';
 
         // report results
-        if (score.a >= score.b) {
+        if (aMeanHz >= bMeanHz) {
           log('\n' + buildName + ' ' + message + ' ' + otherName + '.');
         } else {
           log('\n' + otherName + ' ' + message + ' ' + buildName + '.');
@@ -230,7 +256,7 @@
     'setup': '\
       var _ = window._,\
           lodash = window.lodash,\
-          belt = this.name == "Lo-Dash" ? lodash : _;\
+          belt = this.name == buildName ? lodash : _;\
       \
       var index,\
           date = new Date,\
@@ -265,13 +291,17 @@
       }\
       \
       if (typeof bindAll != "undefined") {\
-        var bindAllObjects = Array(this.count),\
+        var bindAllCount = -1,\
-            funcNames = belt.functions(lodash);\
+            bindAllObjects = Array(this.count);\
+        \
+        var funcNames = belt.reject(belt.functions(belt).slice(0, 40), function(funcName) {\
+          return /^_/.test(funcName);\
+        });\
         \
         // potentially expensive\n\
         for (index = 0; index < this.count; index++) {\
           bindAllObjects[index] = belt.reduce(funcNames, function(object, funcName) {\
-            object[funcName] = lodash[funcName];\
+            object[funcName] = belt[funcName];\
             return object;\
           }, {});\
         }\
@@ -378,12 +408,14 @@
             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 +435,15 @@
             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 +462,12 @@
               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 +525,10 @@
         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]];\
       }'
   });
 
@@ -604,11 +646,11 @@
   suites.push(
     Benchmark.Suite('`_.bindAll` iterating arguments')
       .add(buildName, {
-        'fn': 'lodash.bindAll.apply(lodash, [bindAllObjects.pop()].concat(funcNames))',
+        'fn': 'lodash.bindAll.apply(lodash, [bindAllObjects[++bindAllCount]].concat(funcNames))',
         'teardown': 'function bindAll(){}'
       })
       .add(otherName, {
-        'fn': '_.bindAll.apply(_, [bindAllObjects.pop()].concat(funcNames))',
+        'fn': '_.bindAll.apply(_, [bindAllObjects[++bindAllCount]].concat(funcNames))',
         'teardown': 'function bindAll(){}'
       })
   );
@@ -616,11 +658,11 @@
   suites.push(
     Benchmark.Suite('`_.bindAll` iterating the `object`')
       .add(buildName, {
-        'fn': 'lodash.bindAll(bindAllObjects.pop())',
+        'fn': 'lodash.bindAll(bindAllObjects[++bindAllCount])',
         'teardown': 'function bindAll(){}'
       })
       .add(otherName, {
-        'fn': '_.bindAll(bindAllObjects.pop())',
+        'fn': '_.bindAll(bindAllObjects[++bindAllCount])',
         'teardown': 'function bindAll(){}'
       })
   );
@@ -734,13 +776,13 @@
   );
 
   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(){}'
       })
   );
@@ -1012,22 +1054,14 @@
 
   suites.push(
     Benchmark.Suite('`_.indexOf`')
-      .add(buildName, '\
+      .add(buildName, {
-        lodash.indexOf(numbers, 9)'
+        'fn': 'lodash.indexOf(twoHundredValues, 199)',
-      )
+        'teardown': 'function multiArrays(){}'
-      .add(otherName, '\
+      })
-        _.indexOf(numbers, 9)'
+      .add(buildName, {
-      )
+        'fn': '_.indexOf(twoHundredValues, 199)',
-  );
+        'teardown': 'function multiArrays(){}'
-
+      })
-  suites.push(
-    Benchmark.Suite('`_.indexOf` with `isSorted`')
-      .add(buildName, '\
-        lodash.indexOf(numbers, 19, true)'
-      )
-      .add(otherName, '\
-        _.indexOf(numbers, 19, true)'
-      )
   );
 
   /*--------------------------------------------------------------------------*/
@@ -1043,13 +1077,13 @@
   );
 
   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(){}'
       })
   );
@@ -1117,13 +1151,13 @@
       .add(buildName, {
         'fn': '\
           lodash.isEqual(numbers, numbers2);\
-          lodash.isEqual(twoNumbers, twoNumbers2);',
+          lodash.isEqual(twoNumbers, twoNumbers2)',
         'teardown': 'function isEqual(){}'
       })
       .add(otherName, {
         'fn': '\
           _.isEqual(numbers, numbers2);\
-          _.isEqual(twoNumbers, twoNumbers2);',
+          _.isEqual(twoNumbers, twoNumbers2)',
         'teardown': 'function isEqual(){}'
       })
   );
@@ -1133,13 +1167,13 @@
       .add(buildName, {
         'fn': '\
           lodash.isEqual(nestedNumbers, nestedNumbers2);\
-          lodash.isEqual(nestedNumbers2, nestedNumbers3);',
+          lodash.isEqual(nestedNumbers2, nestedNumbers3)',
         'teardown': 'function isEqual(){}'
       })
       .add(otherName, {
         'fn': '\
           _.isEqual(nestedNumbers, nestedNumbers2);\
-          _.isEqual(nestedNumbers2, nestedNumbers3);',
+          _.isEqual(nestedNumbers2, nestedNumbers3)',
         'teardown': 'function isEqual(){}'
       })
   );
@@ -1149,13 +1183,13 @@
       .add(buildName, {
         'fn': '\
           lodash.isEqual(objects, objects2);\
-          lodash.isEqual(simpleObjects, simpleObjects2);',
+          lodash.isEqual(simpleObjects, simpleObjects2)',
         'teardown': 'function isEqual(){}'
       })
       .add(otherName, {
         'fn': '\
           _.isEqual(objects, objects2);\
-          _.isEqual(simpleObjects, simpleObjects2);',
+          _.isEqual(simpleObjects, simpleObjects2)',
         'teardown': 'function isEqual(){}'
       })
   );
@@ -1165,13 +1199,13 @@
       .add(buildName, {
         'fn': '\
           lodash.isEqual(object, object2);\
-          lodash.isEqual(simpleObject, simpleObject2);',
+          lodash.isEqual(simpleObject, simpleObject2)',
         'teardown': 'function isEqual(){}'
       })
       .add(otherName, {
         'fn': '\
           _.isEqual(object, object2);\
-          _.isEqual(simpleObject, simpleObject2);',
+          _.isEqual(simpleObject, simpleObject2)',
         'teardown': 'function isEqual(){}'
       })
   );
@@ -1179,7 +1213,7 @@
   /*--------------------------------------------------------------------------*/
 
   suites.push(
-    Benchmark.Suite('`_.isArguments`, `_.isDate`, `_.isFunction`, `_.isNumber`, `_.isRegExp`')
+    Benchmark.Suite('`_.isArguments`, `_.isDate`, `_.isFunction`, `_.isNumber`, `_.isObject`, `_.isRegExp`')
       .add(buildName, '\
         lodash.isArguments(arguments);\
         lodash.isArguments(object);\
@@ -1189,8 +1223,10 @@
         lodash.isFunction(object);\
         lodash.isNumber(1);\
         lodash.isNumber(object);\
+        lodash.isObject(object);\
+        lodash.isObject(1);\
         lodash.isRegExp(regexp);\
-        lodash.isRegExp(object);'
+        lodash.isRegExp(object)'
       )
       .add(otherName, '\
         _.isArguments(arguments);\
@@ -1201,8 +1237,10 @@
         _.isFunction(object);\
         _.isNumber(1);\
         _.isNumber(object);\
+        _.isObject(object);\
+        _.isObject(1);\
         _.isRegExp(regexp);\
-        _.isRegExp(object);'
+        _.isRegExp(object)'
       )
   );
 
@@ -1366,13 +1404,13 @@
         lodash.reduce(numbers, function(result, value, index) {\
           result[index] = value;\
           return result;\
-        }, {});'
+        }, {})'
       )
       .add(otherName, '\
         _.reduce(numbers, function(result, value, index) {\
           result[index] = value;\
           return result;\
-        }, {});'
+        }, {})'
       )
   );
 
@@ -1382,13 +1420,13 @@
         lodash.reduce(object, function(result, value, key) {\
           result.push(key, value);\
           return result;\
-        }, []);'
+        }, [])'
       )
       .add(otherName, '\
         _.reduce(object, function(result, value, key) {\
           result.push(key, value);\
           return result;\
-        }, []);'
+        }, [])'
       )
   );
 
@@ -1400,13 +1438,13 @@
         lodash.reduceRight(numbers, function(result, value, index) {\
           result[index] = value;\
           return result;\
-        }, {});'
+        }, {})'
       )
       .add(otherName, '\
         _.reduceRight(numbers, function(result, value, index) {\
           result[index] = value;\
           return result;\
-        }, {});'
+        }, {})'
       )
   );
 
@@ -1416,13 +1454,13 @@
         lodash.reduceRight(object, function(result, value, key) {\
           result.push(key, value);\
           return result;\
-        }, []);'
+        }, [])'
       )
       .add(otherName, '\
         _.reduceRight(object, function(result, value, key) {\
           result.push(key, value);\
           return result;\
-        }, []);'
+        }, [])'
       )
   );
 
@@ -1574,16 +1612,6 @@
 
   /*--------------------------------------------------------------------------*/
 
-  suites.push(
-    Benchmark.Suite('`_.sortedIndex`')
-      .add(buildName, '\
-        lodash.sortedIndex(numbers, 25)'
-      )
-      .add(otherName, '\
-        _.sortedIndex(numbers, 25)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.sortedIndex` with `callback`')
       .add(buildName, {
@@ -1703,11 +1731,11 @@
   suites.push(
     Benchmark.Suite('`_.union` iterating an array of 75 elements')
       .add(buildName, {
-        'fn': 'lodash.union(fiftyValues, twentyFiveValues2);',
+        'fn': 'lodash.union(fiftyValues, twentyFiveValues2)',
         'teardown': 'function multiArrays(){}'
       })
       .add(otherName, {
-        'fn': '_.union(fiftyValues, twentyFiveValues2);',
+        'fn': '_.union(fiftyValues, twentyFiveValues2)',
         'teardown': 'function multiArrays(){}'
       })
   );
@@ -1729,7 +1757,7 @@
       .add(buildName, '\
         lodash.uniq(numbers.concat(twoNumbers, fourNumbers), function(num) {\
           return num % 2;\
-        });'
+        })'
       )
       .add(otherName, '\
         _.uniq(numbers.concat(twoNumbers, fourNumbers), function(num) {\
@@ -1739,19 +1767,33 @@
   );
 
   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, '\
@@ -1767,11 +1809,11 @@
   suites.push(
     Benchmark.Suite('`_.where`')
       .add(buildName, {
-        'fn': 'lodash.where(objects, whereObject);',
+        'fn': 'lodash.where(objects, whereObject)',
         'teardown': 'function where(){}'
       })
       .add(otherName, {
-        'fn': '_.where(objects, whereObject);',
+        'fn': '_.where(objects, whereObject)',
         'teardown': 'function where(){}'
       })
   );
@@ -1788,15 +1830,17 @@
       )
   );
 
+  /*--------------------------------------------------------------------------*/
+
   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 +707,92 @@
 
   /*--------------------------------------------------------------------------*/
 
-  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('modern modifier');
+
+  (function() {
+    asyncTest('`lodash modern`', function() {
+      var start = _.after(2, _.once(QUnit.start));
+
+      build(['-s', 'modern'], function(data) {
+        var basename = path.basename(data.outputPath, '.js'),
+            context = createContext();
+
+        vm.runInContext(data.source, context);
+        var lodash = context._;
+
+        strictEqual(lodash.isPlainObject(Object.create(null)), true, basename);
+        start();
+      });
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
+  QUnit.module('source-map modifier');
 
   (function() {
     var mapCommands = [
@@ -792,50 +891,6 @@
 
   /*--------------------------------------------------------------------------*/
 
-  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 +1025,7 @@
         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 +1033,6 @@
       });
     });
 
-    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 +1082,51 @@
 
   /*--------------------------------------------------------------------------*/
 
+  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 +1265,66 @@
 
   /*--------------------------------------------------------------------------*/
 
-  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 +1365,7 @@
 
   /*--------------------------------------------------------------------------*/
 
-  QUnit.module('stdout options');
+  QUnit.module('stdout option');
 
   (function() {
     var commands = [
@@ -1269,64 +1396,6 @@
 
   /*--------------------------------------------------------------------------*/
 
-  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 +1489,7 @@
               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 +1506,13 @@
               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-ui.js

@@ -18,12 +18,14 @@
   // expose Lo-Dash build file path
   ui.buildPath = (function() {
     switch (build) {
-      case 'lodash-prod':         return 'dist/lodash.compat.min.js';
+      case 'lodash-compat':     return 'dist/lodash.compat.min.js';
-      case 'lodash-underscore':   return 'dist/lodash.underscore.min.js';
+      case 'lodash-modern-dev': return 'dist/lodash.js';
-      case 'lodash-modern':       return 'dist/lodash.min.js';
+      case 'lodash-modern':     return 'dist/lodash.min.js';
-      case 'lodash-modern-debug': return 'dist/lodash.js';
+      case 'lodash-legacy':     return 'dist/lodash.legacy.min.js';
-      case 'lodash-custom':       return 'lodash.custom.min.js';
+      case 'lodash-mobile':     return 'dist/lodash.mobile.min.js';
-      case 'lodash-custom-debug': return 'lodash.custom.js';
+      case 'lodash-underscore': return 'dist/lodash.underscore.min.js';
+      case 'lodash-custom-dev': return 'lodash.custom.js';
+      case 'lodash-custom':     return 'lodash.custom.min.js';
     }
     return 'lodash.js';
   }());
@@ -58,12 +60,14 @@
 
         buildList.selectedIndex = (function() {
           switch (build) {
-            case 'lodash-prod':         return 1;
+            case 'lodash-compat':     return 1;
-            case 'lodash-underscore':   return 2;
+            case 'lodash-modern-dev': return 2;
-            case 'lodash-modern':       return 3;
+            case 'lodash-modern':     return 3;
-            case 'lodash-modern-debug': return 4;
+            case 'lodash-legacy':     return 4;
-            case 'lodash-custom':       return 5;
+            case 'lodash-mobile':     return 5;
-            case 'lodash-custom-debug': return 6;
+            case 'lodash-underscore': return 6;
+            case 'lodash-custom-dev': return 7;
+            case 'lodash-custom':     return 8;
           }
           return 0;
         }());
@@ -87,13 +91,15 @@
     span2.innerHTML =
       '<label for="qunit-build">Build: </label>' +
       '<select id="qunit-build">' +
-      '<option value="lodash-dev">Developement</option>' +
+      '<option value="lodash-compat-dev">Lo-Dash (compat development)</option>' +
-      '<option value="lodash-prod">Production</option>' +
+      '<option value="lodash-compat">Lo-Dash (compat production)</option>' +
-      '<option value="lodash-underscore">Underscore</option>' +
+      '<option value="lodash-modern-dev">Lo-Dash (modern development)</option>' +
-      '<option value="lodash-modern">Modern</option>' +
+      '<option value="lodash-modern">Lo-Dash (modern production)</option>' +
-      '<option value="lodash-modern-debug">Modern (debug)</option>' +
+      '<option value="lodash-legacy">Lo-Dash (legacy)</option>' +
-      '<option value="lodash-custom">Custom</option>' +
+      '<option value="lodash-mobile">Lo-Dash (mobile)</option>' +
-      '<option value="lodash-custom-debug">Custom (debug)</option>' +
+      '<option value="lodash-underscore">Lo-Dash (underscore)</option>' +
+      '<option value="lodash-custom-dev">Lo-Dash (custom development)</option>' +
+      '<option value="lodash-custom">Lo-Dash (custom production)</option>' +
       '</select>';
 
     var checkbox = span1.firstChild,

test/test.js

@@ -1,17 +1,29 @@
 ;(function(window, undefined) {
   'use strict';
 
+  /** Method and object shortcuts */
+  var document = window.document,
+      amd = window.define && define.amd,
+      body = document && document.body,
+      create = Object.create,
+      freeze = Object.freeze,
+      phantom = window.phantom,
+      process = window.process,
+      slice = Array.prototype.slice,
+      system = window.system,
+      toString = Object.prototype.toString;
+
   /** Use a single "load" function */
   var load = typeof require == 'function' ? require : window.load;
 
   /** The file path of the Lo-Dash file to test */
   var filePath = (function() {
     var min = 0;
-    var result = window.phantom
+    var result = phantom
       ? phantom.args
-      : (window.system
+      : (system
           ? (min = 1, system.args)
-          : (window.process ? (min = 2, process.argv) : (window.arguments || []))
+          : (process ? (min = 2, process.argv) : (window.arguments || []))
         );
 
     var last = result[result.length - 1];
@@ -60,9 +72,6 @@
     undefined
   ];
 
-  /** Shortcut used to make object properties immutable */
-  var freeze = Object.freeze;
-
   /** Used to set property descriptors */
   var setDescriptor = (function() {
     try {
@@ -73,9 +82,6 @@
     return result;
   }());
 
-  /** Shortcut used to convert array-like objects to arrays */
-  var slice = Array.prototype.slice;
-
   /** Used to check problem JScript properties (a.k.a. the [[DontEnum]] bug) */
   var shadowedProps = [
     'constructor',
@@ -109,14 +115,13 @@
 
   // add object from iframe
   (function() {
-    if (!window.document || window.phantom) {
+    if (!document || phantom) {
       return;
     }
-    var body = document.body,
+    var iframe = document.createElement('iframe');
-        iframe = document.createElement('iframe');
-
     iframe.frameBorder = iframe.height = iframe.width = 0;
     body.appendChild(iframe);
+
     var idoc = (idoc = iframe.contentDocument || iframe.contentWindow).document || idoc;
     idoc.write("<script>parent._._object = { 'a': 1, 'b': 2, 'c': 3 };<\/script>");
     idoc.close();
@@ -130,7 +135,7 @@
 
   (function() {
     test('supports loading ' + basename + ' as the "lodash" module', function() {
-      if (window.define && define.amd) {
+      if (amd) {
         equal((lodashModule || {}).moduleName, 'lodash');
       } else {
         skipTest();
@@ -138,7 +143,7 @@
     });
 
     test('supports loading ' + basename + ' with the Require.js "shim" configuration option', function() {
-      if (window.define && define.amd) {
+      if (amd) {
         equal((shimmedModule || {}).moduleName, 'shimmed');
       } else {
         skipTest();
@@ -146,7 +151,7 @@
     });
 
     test('supports loading ' + basename + ' as the "underscore" module', function() {
-      if (window.define && define.amd) {
+      if (amd) {
         equal((underscoreModule || {}).moduleName, 'underscore');
       } else {
         skipTest();
@@ -154,7 +159,7 @@
     });
 
     test('avoids overwritten native methods', function() {
-      if (window.document && !window.phantom) {
+      if (document && !phantom) {
         notDeepEqual(lodashBadShim.keys({ 'a': 1 }), []);
       } else {
         skipTest();
@@ -196,6 +201,8 @@
   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 +217,11 @@
       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 +236,7 @@
         deepEqual(_.at(collection, [0, 2]), ['a', 'c']);
       });
     });
-  }());
+  }('a', 'b', 'c'));
 
   /*--------------------------------------------------------------------------*/
 
@@ -295,6 +307,12 @@
 
       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);
+    });
   }());
 
   /*--------------------------------------------------------------------------*/
@@ -329,12 +347,12 @@
     Klass.prototype = { 'b': 1 };
 
     var nonCloneable = {
-      'an element': window.document && document.body,
+      'an element': body,
       'a function': Klass
     };
 
     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 +525,14 @@
 
   (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 +540,71 @@
         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);
+    });
+
+    asyncTest('should work with `leading` option', function() {
+      var counts = [0, 0, 0];
+      _.each([true, { 'leading': true }], function(options, index) {
+        var withLeading = _.debounce(function(value) {
+          counts[index]++;
+          return value;
+        }, 32, options);
+
+        equal(withLeading('x'), 'x');
+      });
+
+      _.times(2, _.debounce(function() { counts[2]++; }, 32, { 'leading': true }));
+      strictEqual(counts[2], 1);
+
+      _.each([false, { 'leading': false }], function(options) {
+        var withoutLeading = _.debounce(_.identity, 32, options);
+        strictEqual(withoutLeading('x'), undefined);
+      });
+
+      setTimeout(function() {
+        deepEqual(counts, [1, 1, 2]);
+        QUnit.start();
+      }, 64);
+    });
+
+    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 +1103,21 @@
 
     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 +1166,36 @@
 
   /*--------------------------------------------------------------------------*/
 
+  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() {
@@ -1236,7 +1358,7 @@
 
   (function() {
     test('should use strict equality in its duck type check', function() {
-      var element = window.document ? document.body : { 'nodeType': 1 };
+      var element = body || { 'nodeType': 1 };
       strictEqual(_.isElement(element), true);
 
       strictEqual(_.isElement({ 'nodeType': new Number(1) }), false);
@@ -1356,6 +1478,14 @@
         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);
+    })
   }());
 
   /*--------------------------------------------------------------------------*/
@@ -1432,9 +1562,20 @@
       strictEqual(_.isPlainObject(new Foo(1)), false);
       strictEqual(_.isPlainObject([1, 2, 3]), false);
       strictEqual(_.isPlainObject({ 'a': 1 }), true);
+
+      if (create) {
+        strictEqual(_.isPlainObject(create(null)), true);
+      } else {
+        skipTest();
+      }
+      if (document) {
+        strictEqual(_.isPlainObject(body), false);
+      } else {
+        skipTest();
+      }
     });
 
-    test('should return `false` for objects without a [[Class]] of "Object"', function() {
+    test('should return `false` for Object objects without a [[Class]] of "Object"', function() {
       strictEqual(_.isPlainObject(arguments), false);
       strictEqual(_.isPlainObject(Error), false);
       strictEqual(_.isPlainObject(Math), false);
@@ -1475,7 +1616,7 @@
       equal(typeof func(true), expected);
       equal(typeof func(false), expected);
       equal(typeof func(new Date), expected);
-      equal(typeof func(window.document && document.body), expected);
+      equal(typeof func(body), expected);
       equal(typeof func({}), expected);
       equal(typeof func(undefined), expected);
       equal(typeof func(Infinity), expected);
@@ -1488,6 +1629,22 @@
     });
   });
 
+  (function() {
+    test('should return `false` for subclassed values', function() {
+      _.each(['isArray', 'isBoolean', 'isDate', 'isFunction', 'isNumber', 'isRegExp', 'isString'], function(methodName) {
+        function Foo() {}
+        Foo.prototype = window[methodName.slice(2)].prototype;
+
+        var object = new Foo;
+        if (toString.call(object) == '[object Object]') {
+          strictEqual(_[methodName](object), false, '_.' + methodName + ' returns `false`');
+        } else {
+          skipTest();
+        }
+      });
+    });
+  }());
+
   /*--------------------------------------------------------------------------*/
 
   QUnit.module('lodash.keys');
@@ -1771,8 +1928,27 @@
     });
 
     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 +1979,10 @@
       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;
@@ -1837,18 +2017,61 @@
 
   /*--------------------------------------------------------------------------*/
 
+  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() {
-    test('should parse strings with leading zeros with a `radix` of 10 by default (test in Firefox and Opera)', function() {
+    test('should parse strings with leading whitespace and zeros with a `radix` of 10 by default (test in Chrome, Firefox, and Opera)', function() {
+      var whitespace = ' \x09\x0B\x0C\xA0\ufeff\x0A\x0D\u2028\u2029\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000';
       equal(_.parseInt('08'), 8);
+      equal(_.parseInt(whitespace + '08'), 8);
     });
 
-    test('should internally use a radix of 10 if `radix` is `undefined` or `0`', function() {
+    test('should use a radix of `10`, for non-hexadecimals, if `radix` is `undefined` or `0`', function() {
       equal(_.parseInt('10', 0), 10);
       equal(_.parseInt('10'), 10);
       equal(_.parseInt('10', undefined), 10);
     });
+
+    test('should use a radix of `16`, for hexadecimals, if `radix` is `undefined` or `0`', function() {
+      equal(_.parseInt('0x20', 0), 32);
+      equal(_.parseInt('0x20'), 32);
+      equal(_.parseInt('0x20', undefined), 32);
+    });
   }());
 
   /*--------------------------------------------------------------------------*/
@@ -1927,6 +2150,10 @@
       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 +2785,125 @@
     });
 
     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() {
+        equal(withCount, 2);
+        strictEqual(withoutCount, 1);
+        QUnit.start();
+      }, 64);
+    });
+
+    asyncTest('should not update `lastCalled`, at the end of the timeout, when `trailing` is `false`', function() {
+      var count = 0;
+
+      var throttled = _.throttle(function() {
+        count++;
+      }, 64, { 'trailing': false });
+
+      _.times(2, throttled);
+      setTimeout(function() { _.times(2, throttled); }, 100);
+
+      setTimeout(function() {
+        equal(count, 2);
+        QUnit.start();
+      }, 128);
+    });
   }());
 
   /*--------------------------------------------------------------------------*/
@@ -2637,10 +2936,9 @@
     });
 
     test('should work with a node list for `collection` (test in IE < 9)', function() {
-      if (window.document) {
+      if (document) {
         try {
           var nodeList = document.getElementsByTagName('body'),
-              body = nodeList[0],
               actual = _.toArray(nodeList);
         } catch(e) { }
         deepEqual(actual, [body]);
@@ -2702,6 +3000,19 @@
 
   /*--------------------------------------------------------------------------*/
 
+  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 +3025,14 @@
     });
 
     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 +3065,58 @@
 
   /*--------------------------------------------------------------------------*/
 
+  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 +3329,37 @@
 
   /*--------------------------------------------------------------------------*/
 
+  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 +3420,10 @@
 
       _.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());
@@ -3110,7 +3505,7 @@
 
   // configure QUnit and call `QUnit.start()` for
   // Narwhal, Node.js, PhantomJS, Rhino, and RingoJS
-  if (!window.document || window.phantom) {
+  if (!document || phantom) {
     QUnit.config.noglobals = true;
     QUnit.start();
   }

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 2~20, IE 6-10, Opera 9.25-12, Safari 3-6, Node.js 0.4.8-0.10.5, Narwhal 0.3.2, PhantomJS 1.9.0, RingoJS 0.9, and Rhino 1.7RC5.
 
 ## Installation and usage
 
@@ -100,7 +100,7 @@ suite.add('RegExp#test', function() {
   console.log(String(event.target));
 })
 .on('complete', function() {
-  console.log('Fastest is ' + _.pluck(this.filter('fastest'), 'name'));
+  console.log('Fastest is ' + this.filter('fastest').pluck('name'));
 })
 // run async
 .run({ 'async': true });
@@ -117,12 +117,12 @@ Benchmark.js is part of the BestieJS *"Best in Class"* module collection. This m
 
 ## Authors
 
-* [Mathias Bynens](http://mathiasbynens.be/)
+| [![twitter/mathias](http://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](http://twitter.com/mathias "Follow @mathias on Twitter") | [![twitter/jdalton](http://gravatar.com/avatar/299a3d891ff1920b69c364d061007043?s=70)](http://twitter.com/jdalton "Follow @jdalton on Twitter") |
-  [![twitter/mathias](http://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter")
+|---|---|
-* [John-David Dalton](http://allyoucanleet.com/)
+| [Mathias Bynens](http://mathiasbynens.be/) | [John-David Dalton](http://allyoucanleet.com/) |
-  [![twitter/jdalton](http://gravatar.com/avatar/299a3d891ff1920b69c364d061007043?s=70)](https://twitter.com/jdalton "Follow @jdalton on Twitter")
 
 ## Contributors
 
-* [Kit Cambridge](http://kitcambridge.github.com/)
+| [![twitter/kitcambridge](http://gravatar.com/avatar/6662a1d02f351b5ef2f8b4d815804661?s=70)](https://twitter.com/kitcambridge "Follow @kitcambridge on Twitter") |
-  [![twitter/kitcambridge](http://gravatar.com/avatar/6662a1d02f351b5ef2f8b4d815804661?s=70)](https://twitter.com/kitcambridge "Follow @kitcambridge on Twitter")
+|---|
+| [Kit Cambridge](http://kitcambridge.github.io/) |

vendor/benchmark.js/benchmark.js

@@ -21,15 +21,18 @@
   /** 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;
   }
 
   /** Used to assign each benchmark an incrimented id */
   var counter = 0;
 
+  /** Used to make every compiled test unique */
+  var uidCounter = 0;
+
   /** Used to detect primitive types */
   var rePrimitive = /^(?:boolean|number|string|undefined)$/;
 
@@ -139,6 +142,7 @@
         max = Math.max,
         min = Math.min,
         pow = Math.pow,
+        push = arrayRef.push,
         setTimeout = context.setTimeout,
         shift = arrayRef.shift,
         slice = arrayRef.slice,
@@ -738,13 +742,7 @@
         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);
@@ -1450,10 +1448,9 @@
         // ...the z-stat is greater than 1.96 or less than -1.96
         // http://www.statisticslectures.com/topics/mannwhitneyu/
         zStat = getZ(u);
-        return abs(zStat) > 1.96 ? (zStat > 0 ? -1 : 1) : 0;
+        return abs(zStat) > 1.96 ? (u == u1 ? 1 : -1) : 0;
       }
       // ...the U value is less than or equal the critical U value
-      // http://www.geoib.com/mann-whitney-u-test.html
       critical = maxSize < 5 || minSize < 3 ? 0 : uTable[maxSize][minSize - 3];
       return u <= critical ? (u == u1 ? 1 : -1) : 0;
     }
@@ -1566,22 +1563,18 @@
     function clock() {
       var applet,
           options = Benchmark.options,
+          templateData = {},
           timers = [{ 'ns': timer.ns, 'res': max(0.0015, getRes('ms')), 'unit': 'ms' }];
 
-      var templateData = {
-        'begin': interpolate('s#=new n#'),
-        'end': interpolate('r#=(new n#-s#)/1e3'),
-        'uid': uid
-      };
-
       // lazy define for hi-res timers
       clock = function(clone) {
         var deferred;
+        templateData.uid = uid + uidCounter++;
+
         if (clone instanceof Deferred) {
           deferred = clone;
           clone = deferred.benchmark;
         }
-
         var bench = clone._original,
             fn = bench.fn,
             fnArg = deferred ? getFirstArgument(fn) || 'deferred' : '',
@@ -1594,6 +1587,45 @@
           'teardown': getSource(bench.teardown, interpolate('m#.teardown()'))
         });
 
+        // use API of chosen timer
+        if (timer.unit == 'ns') {
+          if (timer.ns.nanoTime) {
+            _.extend(templateData, {
+              'begin': interpolate('s#=n#.nanoTime()'),
+              'end': interpolate('r#=(n#.nanoTime()-s#)/1e9')
+            });
+          } else {
+            _.extend(templateData, {
+              'begin': interpolate('s#=n#()'),
+              'end': interpolate('r#=n#(s#);r#=r#[0]+(r#[1]/1e9)')
+            });
+          }
+        }
+        else if (timer.unit == 'us') {
+          if (timer.ns.stop) {
+            _.extend(templateData, {
+              'begin': interpolate('s#=n#.start()'),
+              'end': interpolate('r#=n#.microseconds()/1e6')
+            });
+          } else if (perfName) {
+            _.extend(templateData, {
+              'begin': interpolate('s#=n#.' + perfName + '()'),
+              'end': interpolate('r#=(n#.' + perfName + '()-s#)/1e3')
+            });
+          } else {
+            _.extend(templateData, {
+              'begin': interpolate('s#=n#()'),
+              'end': interpolate('r#=(n#()-s#)/1e6')
+            });
+          }
+        }
+        else {
+          _.extend(templateData, {
+            'begin': interpolate('s#=new n#'),
+            'end': interpolate('r#=(new n#-s#)/1e3')
+          });
+        }
+
         var count = bench.count = clone.count,
             decompilable = support.decompilation || stringable,
             id = bench.id,
@@ -1615,6 +1647,16 @@
             ns = timer.ns = new applet.Packages.nano;
           }
         }
+        // define `timer` methods
+        timer.start = createFunction(
+          interpolate('o#'),
+          interpolate('var n#=this.ns,${begin};o#.elapsed=0;o#.timeStamp=s#')
+        );
+
+        timer.stop = createFunction(
+          interpolate('o#'),
+          interpolate('var n#=this.ns,s#=o#.timeStamp,${end};o#.elapsed=r#')
+        );
 
         // Compile in setup/teardown functions and the test loop.
         // Create a new compiled test, instead of using the cached `bench.compiled`,
@@ -1649,7 +1691,7 @@
             // pretest to determine if compiled code is exits early, usually by a
             // rogue `return` statement, by checking for a return object with the uid
             bench.count = 1;
-            compiled = (compiled.call(bench, context, timer) || {}).uid == uid && compiled;
+            compiled = (compiled.call(bench, context, timer) || {}).uid == templateData.uid && compiled;
             bench.count = count;
           }
         } catch(e) {
@@ -1768,7 +1810,7 @@
        */
       function interpolate(string) {
         // replaces all occurrences of `#` with a unique number and template tokens with content
-        return _.template(string.replace(/\#/g, /\d+/.exec(uid)), templateData || {});
+        return _.template(string.replace(/\#/g, /\d+/.exec(templateData.uid)), templateData);
       }
 
       /*----------------------------------------------------------------------*/
@@ -1822,50 +1864,6 @@
       if (timer.res == Infinity) {
         throw new Error('Benchmark.js was unable to find a working timer.');
       }
-      // use API of chosen timer
-      if (timer.unit == 'ns') {
-        if (timer.ns.nanoTime) {
-          _.extend(templateData, {
-            'begin': interpolate('s#=n#.nanoTime()'),
-            'end': interpolate('r#=(n#.nanoTime()-s#)/1e9')
-          });
-        } else {
-          _.extend(templateData, {
-            'begin': interpolate('s#=n#()'),
-            'end': interpolate('r#=n#(s#);r#=r#[0]+(r#[1]/1e9)')
-          });
-        }
-      }
-      else if (timer.unit == 'us') {
-        if (timer.ns.stop) {
-          _.extend(templateData, {
-            'begin': interpolate('s#=n#.start()'),
-            'end': interpolate('r#=n#.microseconds()/1e6')
-          });
-        } else if (perfName) {
-          _.extend(templateData, {
-            'begin': interpolate('s#=n#.' + perfName + '()'),
-            'end': interpolate('r#=(n#.' + perfName + '()-s#)/1e3')
-          });
-        } else {
-          _.extend(templateData, {
-            'begin': interpolate('s#=n#()'),
-            'end': interpolate('r#=(n#()-s#)/1e6')
-          });
-        }
-      }
-
-      // define `timer` methods
-      timer.start = createFunction(
-        interpolate('o#'),
-        interpolate('var n#=this.ns,${begin};o#.elapsed=0;o#.timeStamp=s#')
-      );
-
-      timer.stop = createFunction(
-        interpolate('o#'),
-        interpolate('var n#=this.ns,s#=o#.timeStamp,${end};o#.elapsed=r#')
-      );
-
       // resolve time span required to achieve a percent uncertainty of at most 1%
       // http://spiff.rit.edu/classes/phys273/uncert/uncert.html
       options.minTime || (options.minTime = max(timer.res / 2 / 0.01, 0.05));
@@ -2362,6 +2360,11 @@
       'support': support
     });
 
+    // Add Lo-Dash methods to Benchmark
+    _.each(['each', 'forEach', 'forOwn', 'has', 'indexOf', 'map', 'pluck', 'reduce'], function(methodName) {
+      Benchmark[methodName] = _[methodName];
+    });
+
     /*------------------------------------------------------------------------*/
 
     _.extend(Benchmark.prototype, {
@@ -2783,11 +2786,12 @@
       'off': off,
       'on': on,
       'pop': arrayRef.pop,
-      'push': arrayRef.push,
+      'push': push,
       'reset': resetSuite,
       'run': runSuite,
       'reverse': arrayRef.reverse,
       'shift': shift,
+      'slice': arrayRef.slice,
       'sort': arrayRef.sort,
       'splice': arrayRef.splice,
       'unshift': arrayRef.unshift
@@ -2804,6 +2808,16 @@
 
     /*------------------------------------------------------------------------*/
 
+    // add Lo-Dash methods as Suite methods
+    _.each(['each', 'forEach', 'indexOf', 'map', 'pluck', 'reduce'], function(methodName) {
+      var func = _[methodName];
+      Suite.prototype[methodName] = function() {
+        var args = [this];
+        push.apply(args, arguments);
+        return func.apply(_, args);
+      };
+    });
+
     // avoid array-like object bugs with `Array#shift` and `Array#splice`
     // in Firefox < 10 and IE < 9
     if (!_.support.spliceObjects) {

vendor/docdown/README.md

@@ -24,10 +24,12 @@ $markdown = docdown(array(
 
 ## Author
 
-* [John-David Dalton](http://allyoucanleet.com/)
+| [![twitter/jdalton](http://gravatar.com/avatar/299a3d891ff1920b69c364d061007043?s=70)](http://twitter.com/jdalton "Follow @jdalton on Twitter") |
-  [![twitter/jdalton](http://gravatar.com/avatar/299a3d891ff1920b69c364d061007043?s=70)](https://twitter.com/jdalton "Follow @jdalton on Twitter")
+|---|
+| [John-David Dalton](http://allyoucanleet.com/) |
 
 ## Contributors
 
-* [Mathias Bynens](http://mathiasbynens.be/)
+| [![twitter/mathias](http://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](http://twitter.com/mathias "Follow @mathias on Twitter") |
-  [![twitter/mathias](http://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter")
+|---|
+| [Mathias Bynens](http://mathiasbynens.be/) |