Bump to v4.16.0.

Ref: https://github.com/lodash/lodash/issues/875

.github/CONTRIBUTING.md

@@ -1,8 +1,8 @@
 # Contributing to Lodash
 
 Contributions are always welcome. Before contributing please read the
-[code of conduct](https://github.com/lodash/lodash/blob/master/CODE_OF_CONDUCT.md)
-& [search the issue tracker](https://github.com/lodash/lodash/issues); your issue
+[code of conduct](https://jquery.org/conduct/) &
+[search the issue tracker](https://github.com/lodash/lodash/issues); your issue
 may have already been discussed or fixed in `master`. To contribute,
 [fork](https://help.github.com/articles/fork-a-repo/) Lodash, commit your changes,
 & [send a pull request](https://help.github.com/articles/using-pull-requests/).
@@ -13,8 +13,8 @@ Feature requests should be submitted in the
 [issue tracker](https://github.com/lodash/lodash/issues), with a description of
 the expected behavior & use case, where they’ll remain closed until sufficient interest,
 [e.g. :+1: reactions](https://help.github.com/articles/about-discussions-in-issues-and-pull-requests/),
-has been shown by the community. Before submitting a request, please search for
-similar ones in the
+has been [shown by the community](https://github.com/lodash/lodash/issues?q=label%3A%22votes+needed%22+sort%3Areactions-%2B1-desc).
+Before submitting a request, please search for similar ones in the
 [closed issues](https://github.com/lodash/lodash/issues?q=is%3Aissue+is%3Aclosed+label%3Aenhancement).
 
 ## Pull Requests
@@ -36,7 +36,7 @@ As such, we request that all contributors sign the jQuery Foundation
 [contributor license agreement (CLA)](https://contribute.jquery.org/CLA/).
 
 For more information about CLAs, please check out Alex Russell’s excellent post,
-[“Why Do I Need to Sign This?”](http://infrequently.org/2008/06/why-do-i-need-to-sign-this/).
+[“Why Do I Need to Sign This?”](https://infrequently.org/2008/06/why-do-i-need-to-sign-this/).
 
 ## Coding Guidelines
 
@@ -48,7 +48,7 @@ established in the code.
 
 - **Naming**:<br>
   Keep variable & method names concise & descriptive.<br>
-  Variable names `index`, `collection`, & `callback` are preferable to
+  Variable names `index`, `array`, & `iteratee` are preferable to
   `i`, `arr`, & `fn`.
 
 - **Quotes**:<br>

.gitignore

@@ -1,9 +1,4 @@
 .DS_Store
-*.custom.*
 *.log
-*.map
-lodash.compat.min.js
-coverage
+doc/*.html
 node_modules
-.opt-in
-.opt-out

.markdown-doctest-setup.js

@@ -0,0 +1,11 @@
+'use strict';
+
+delete global['__core-js_shared__'];
+
+const _ = require('./lodash.js');
+const globals = require('lodash-doc-globals');
+
+module.exports = {
+  'babel': false,
+  'globals': _.assign({ '_': _ }, globals)
+};

.travis.yml

@@ -1,7 +1,11 @@
 language: node_js
 sudo: false
 node_js:
-  - "5"
+  - "6"
+cache:
+  directories:
+    - $HOME/.npm
+    - travis_phantomjs
 env:
   global:
     - BIN="node" ISTANBUL=false OPTION=""
@@ -14,10 +18,6 @@ env:
     - SAUCE_LABS=true
 matrix:
   include:
-    - node_js: "0.10"
-      env:
-    - node_js: "0.12"
-      env:
     - node_js: "4"
       env:
 git:
@@ -32,20 +32,32 @@ notifications:
     on_success: change
     on_failure: always
 before_install:
+  # Upgrade PhantomJS to v2.1.1.
+  - "export PHANTOMJS_VERSION=2.1.1"
+  - "export PATH=$PWD/travis_phantomjs/phantomjs-$PHANTOMJS_VERSION-linux-x86_64/bin:$PATH"
+  - "if [ $(phantomjs --version) != $PHANTOMJS_VERSION ]; then rm -rf $PWD/travis_phantomjs; mkdir -p $PWD/travis_phantomjs; fi"
+  - "if [ $(phantomjs --version) != $PHANTOMJS_VERSION ]; then wget https://github.com/Medium/phantomjs/releases/download/v$PHANTOMJS_VERSION/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 -O $PWD/travis_phantomjs/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2; fi"
+  - "if [ $(phantomjs --version) != $PHANTOMJS_VERSION ]; then tar -xvf $PWD/travis_phantomjs/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 -C $PWD/travis_phantomjs; fi"
+  - "phantomjs --version"
+
+  # Use exact Node version.
   - "nvm use $TRAVIS_NODE_VERSION"
+
+  # Setup npm.
   - "npm set loglevel error"
   - "npm set progress false"
   - "npm i -g npm@\"^2.0.0\""
+
+  # Remove code skipped on the coverage run.
   - |
-      PATTERN[0]="|\s*if\s*\(isHostObject\b[\s\S]+?\}(?=\n)|"
-      PATTERN[1]="|\s*if\s*\(enumerate\b[\s\S]+?\};\s*\}|"
-      PATTERN[2]="|\s*while\s*\([^)]+\)\s*\{\s*iteratee\(index\);\s*\}|"
-      PATTERN[3]="|\s*else\s*\{\s*assocSet\(data\b[\s\S]+?\}|"
-      PATTERN[4]="|\bcase\s+(?:dataView|set|map|weakMap)CtorString:.+|g"
-      PATTERN[5]="|\bindex,\s*iterable\)\s*===\s*false\)[^}]+?(break;)|"
-      PATTERN[6]="|\s*if\s*\(\!lodashFunc\)\s*\{\s*return;\s*\}|"
-      PATTERN[7]="|\s*define\([\s\S]+?\);|"
-      PATTERN[8]="|\s*root\._\s*=\s*_;|"
+      PATTERN[0]="|\s*if\s*\(enumerate\b[\s\S]+?\};\s*\}|"
+      PATTERN[1]="|\s*while\s*\([^)]+\)\s*\{\s*iteratee\(index\);\s*\}|"
+      PATTERN[2]="|\s*else\s*\{\s*assocSet\(data\b[\s\S]+?\}|"
+      PATTERN[3]="|\bcase\s+(?:dataView|promise|set|map|weakMap)CtorString:.+|g"
+      PATTERN[4]="|\bindex,\s*iterable\)\s*===\s*false\)[^}]+?(break;)|"
+      PATTERN[5]="|\s*if\s*\(\!lodashFunc\)\s*\{\s*return;\s*\}|"
+      PATTERN[6]="|\s*define\([\s\S]+?\);|"
+      PATTERN[7]="|\s*root\._\s*=\s*_;|"
 
       if [ $ISTANBUL == true ]; then
         set -e
@@ -53,18 +65,27 @@ before_install:
           node ./test/remove.js "$PTRN" ./lodash.js
         done
       fi
-  - "git clone --depth=10 --branch=master git://github.com/lodash/lodash-cli ./node_modules/lodash-cli && mkdir $_/node_modules && cd $_ && ln -s ../../../ ./lodash && cd ../ && npm i && cd ../../"
-  - "node ./node_modules/lodash-cli/bin/lodash -o ./dist/lodash.js"
+
+  # Use lodash-cli from GitHub.
+  - "git clone --depth=10 --branch=master git://github.com/lodash/lodash-cli ./node_modules/lodash-cli"
+  - "mkdir -p ./node_modules/lodash-cli/node_modules/lodash && cd $_ && cp ../../../../lodash.js ./lodash.js && cp ../../../../package.json ./package.json"
+  - "cd ../../ && npm i --production && cd ../../"
+
 script:
+  # Detect code coverage.
   - "[ $ISTANBUL == false ]   || istanbul cover -x \"**/vendor/**\" --report lcovonly ./test/test.js -- ./lodash.js"
   - "[ $ISTANBUL == false ]   || [ $TRAVIS_SECURE_ENV_VARS == false ] || (cat ./coverage/lcov.info | coveralls) || true"
   - "[ $ISTANBUL == false ]   || [ $TRAVIS_SECURE_ENV_VARS == false ] || (cat ./coverage/coverage.json | codecov) || true"
-  - "[ $SAUCE_LABS == true ]  || [ $ISTANBUL == true ] || cd ./test"
-  - "[ $SAUCE_LABS == true ]  || [ $ISTANBUL == true ] || $BIN $OPTION ./test.js ../lodash.js"
-  - "[ $SAUCE_LABS == true ]  || [ $ISTANBUL == true ] || [ $TRAVIS_SECURE_ENV_VARS == false ] || $BIN $OPTION ./test.js ../dist/lodash.min.js"
-  - "[ $SAUCE_LABS == false ] || rm -rf ./node_modules/lodash"
-  - "[ $SAUCE_LABS == false ] || ($BIN ./node_modules/lodash-cli/bin/lodash -d -o ./node_modules/lodash/index.js && cd ./node_modules/lodash/ && ln -s ./index.js ./lodash.js && cd ../../)"
-  - "[ $SAUCE_LABS == false ] || $BIN ./node_modules/lodash-cli/bin/lodash core -o ./dist/lodash.core.js"
+
+  # Test in Node.js and PhantomJS.
+  - "[ $ISTANBUL == true ]    || node ./node_modules/lodash-cli/bin/lodash -o ./dist/lodash.js"
+  - "[ $ISTANBUL == true ]    || (node ./node_modules/lodash-cli/bin/lodash modularize exports=node -o ./ && node ./node_modules/lodash-cli/bin/lodash -d -o ./lodash.js)"
+  - "[ $ISTANBUL == true ]    || [ $SAUCE_LABS == true ] || cd ./test"
+  - "[ $ISTANBUL == true ]    || [ $SAUCE_LABS == true ] || $BIN $OPTION ./test.js ../lodash.js"
+  - "[ $ISTANBUL == true ]    || [ $SAUCE_LABS == true ] || [ $TRAVIS_SECURE_ENV_VARS == false ] || $BIN $OPTION ./test.js ../dist/lodash.min.js"
+
+  # Test in Sauce Labs.
+  - "[ $SAUCE_LABS == false ] || node ./node_modules/lodash-cli/bin/lodash core -o ./dist/lodash.core.js"
   - "[ $SAUCE_LABS == false ] || npm run build"
   - "[ $SAUCE_LABS == false ] || $BIN ./test/saucelabs.js name=\"lodash tests\"     runner=\"test/index.html?build=../dist/lodash.js&noglobals=true\"     tags=\"development\""
   - "[ $SAUCE_LABS == false ] || $BIN ./test/saucelabs.js name=\"lodash tests\"     runner=\"test/index.html?build=../dist/lodash.min.js&noglobals=true\" tags=\"production\""

CHANGELOG

@@ -0,0 +1 @@
+https://github.com/lodash/lodash/wiki/Changelog

README.md

@@ -1,9 +1,9 @@
-# lodash v4.11.2
+# lodash v4.16.0
 
 [Site](https://lodash.com/) |
 [Docs](https://lodash.com/docs) |
 [FP Guide](https://github.com/lodash/lodash/wiki/FP-Guide) |
-[Contributing](https://github.com/lodash/lodash/blob/4.11.2/.github/CONTRIBUTING.md) |
+[Contributing](https://github.com/lodash/lodash/blob/master/.github/CONTRIBUTING.md) |
 [Wiki](https://github.com/lodash/lodash/wiki "Changelog, Roadmap, etc.") |
 [Code of Conduct](https://jquery.org/conduct/) |
 [Twitter](https://twitter.com/bestiejs) |
@@ -12,7 +12,7 @@
 The [Lodash](https://lodash.com/) library exported as a [UMD](https://github.com/umdjs/umd) module.
 
 Generated using [lodash-cli](https://www.npmjs.com/package/lodash-cli):
-```bash
+```shell
 $ npm run build
 $ lodash -o ./dist/lodash.js
 $ lodash core -o ./dist/lodash.core.js
@@ -20,12 +20,46 @@ $ lodash core -o ./dist/lodash.core.js
 
 ## Download
 
-Lodash is released under the [MIT license](https://raw.githubusercontent.com/lodash/lodash/4.11.2/LICENSE) & supports [modern environments](#support).<br>
+ * [Core build](https://raw.githubusercontent.com/lodash/lodash/4.16.0/dist/lodash.core.js) ([~4 kB gzipped](https://raw.githubusercontent.com/lodash/lodash/4.16.0/dist/lodash.core.min.js))
+ * [Full build](https://raw.githubusercontent.com/lodash/lodash/4.16.0/dist/lodash.js) ([~23 kB gzipped](https://raw.githubusercontent.com/lodash/lodash/4.16.0/dist/lodash.min.js))
+ * [CDN copies](https://www.jsdelivr.com/projects/lodash)
+
+Lodash is released under the [MIT license](https://raw.githubusercontent.com/lodash/lodash/4.16.0/LICENSE) & supports [modern environments](#support).<br>
 Review the [build differences](https://github.com/lodash/lodash/wiki/build-differences) & pick one that’s right for you.
 
- * [Core build](https://raw.githubusercontent.com/lodash/lodash/4.11.2/dist/lodash.core.js) ([~4 kB gzipped](https://raw.githubusercontent.com/lodash/lodash/4.11.2/dist/lodash.core.min.js))
- * [Full build](https://raw.githubusercontent.com/lodash/lodash/4.11.2/dist/lodash.js) ([~22 kB gzipped](https://raw.githubusercontent.com/lodash/lodash/4.11.2/dist/lodash.min.js))
- * [CDN copies](https://www.jsdelivr.com/projects/lodash)
+## Installation
+
+In a browser:
+```html
+<script src="lodash.js"></script>
+```
+
+Using npm:
+```shell
+$ npm i -g npm
+$ npm i --save lodash
+```
+
+In Node.js:
+```js
+// Load the full build.
+var _ = require('lodash');
+// Load the core build.
+var _ = require('lodash/core');
+// Load the FP build for immutable auto-curried iteratee-first data-last methods.
+var fp = require('lodash/fp');
+
+// Load method categories.
+var array = require('lodash/array');
+var object = require('lodash/fp/object');
+
+// Cherry-pick methods for smaller browserify/rollup/webpack bundles.
+var chunk = require('lodash/chunk');
+var extend = require('lodash/fp/extend');
+```
+
+**Note:**<br>
+Install [n_](https://www.npmjs.com/package/n_) for Lodash use in the Node.js < 6 REPL.
 
 ## Why Lodash?
 
@@ -41,6 +75,6 @@ numbers, objects, strings, etc. Lodash’s modular methods are great for:
 Lodash is available in a [variety of builds](https://lodash.com/custom-builds) & module formats.
 
  * [lodash](https://www.npmjs.com/package/lodash) & [per method packages](https://www.npmjs.com/browse/keyword/lodash-modularized)
+ * [lodash-es](https://www.npmjs.com/package/lodash-es), [babel-plugin-lodash](https://www.npmjs.com/package/babel-plugin-lodash), & [lodash-webpack-plugin](https://www.npmjs.com/package/lodash-webpack-plugin)
+ * [lodash/fp](https://github.com/lodash/lodash/tree/npm/fp)
  * [lodash-amd](https://www.npmjs.com/package/lodash-amd)
- * [lodash-es](https://www.npmjs.com/package/lodash-es) & [babel-plugin-lodash](https://www.npmjs.com/package/babel-plugin-lodash)
- * [lodash/fp](https://github.com/lodash/lodash/tree/4.11.2-npm/fp)

dist/lodash.core.min.js

@@ -1,30 +1,28 @@
 /**
  * @license
- * lodash 4.11.2 (Custom Build) lodash.com/license | Underscore.js 1.8.3 underscorejs.org/LICENSE
+ * lodash (Custom Build) /license | Underscore.js 1.8.3 underscorejs.org/LICENSE
  * Build: `lodash core -o ./dist/lodash.core.js`
  */
-;(function(){function n(n,t){return n.push.apply(n,t),n}function t(n,t,r){var e;return r(n,function(n,r,u){return t(n,r,u)?(e=n,false):void 0}),e}function r(n,t,r,e,u){return u(n,function(n,u,o){r=e?(e=false,n):t(r,n,u,o)}),r}function e(n,t){return O(t,function(t){return n[t]})}function u(n){return n&&n.Object===Object?n:null}function o(n){return gn[n]}function i(n){var t=false;if(null!=n&&typeof n.toString!="function")try{t=!!(n+"")}catch(r){}return t}function c(n){return n instanceof f?n:new f(n)}function f(n,t){
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+return p(n,Boolean)},u.concat=function(){var t=arguments.length;if(!t)return[];for(var r=Array(t-1),e=arguments[0];t--;)r[t-1]=arguments[t];return n(Sn(e)?E(e):[e],s(r,1))},u.create=function(n,t){var r=c(n);return t?Bn(r,t):r},u.defaults=In,u.defer=kn,u.delay=Nn,u.filter=function(n,t){return p(n,_(t))},u.flatten=$,u.flattenDeep=function(n){return n&&n.length?s(n,rn):[]},u.iteratee=_,u.keys=qn,u.map=function(n,t){return d(n,_(t))},u.matches=function(n){return m(Bn({},n))},u.mixin=nn,u.negate=function(n){
+if(typeof n!="function")throw new TypeError("Expected a function");return function(){return!n.apply(this,arguments)}},u.once=function(n){return M(2,n)},u.pick=zn,u.slice=function(n,t,r){var e=n?n.length:0;return r=r===tn?e:+r,e?A(n,null==t?0:+t,r):[]},u.sortBy=function(n,r){var e=0;return r=_(r),d(d(n,function(n,t,u){return{value:n,index:e++,criteria:r(n,t,u)}}).sort(function(n,t){var r;n:{r=n.criteria;var e=t.criteria;if(r!==e){var u=r!==tn,o=null===r,i=r===r,c=e!==tn,f=null===e,a=e===e;if(!f&&r>e||o&&c&&a||!u&&a||!i){
+r=1;break n}if(!o&&r<e||f&&u&&i||!c&&i||!a){r=-1;break n}}r=0}return r||n.index-t.index}),t("value"))},u.tap=function(n,t){return t(n),n},u.thru=function(n,t){return t(n)},u.toArray=function(n){return V(n)?n.length?E(n):[]:Y(n)},u.values=Y,u.extend=Rn,nn(u,u),u.clone=function(n){return K(n)?Sn(n)?E(n):N(n,jn(n)):n},u.escape=function(n){return(n=X(n))&&un.test(n)?n.replace(en,an):n},u.every=function(n,t,r){return t=r?tn:t,a(n,_(t))},u.find=En,u.forEach=G,u.has=function(n,t){return null!=n&&sn.call(n,t);
+},u.head=z,u.identity=Z,u.indexOf=C,u.isArguments=U,u.isArray=Sn,u.isBoolean=function(n){return true===n||false===n||L(n)&&"[object Boolean]"==vn.call(n)},u.isDate=function(n){return L(n)&&"[object Date]"==vn.call(n)},u.isEmpty=function(n){return V(n)&&(Sn(n)||W(n)||H(n.splice)||U(n))?!n.length:!jn(n).length},u.isEqual=function(n,t){return y(n,t)},u.isFinite=function(n){return typeof n=="number"&&_n(n)},u.isFunction=H,u.isNaN=function(n){return Q(n)&&n!=+n},u.isNull=function(n){return null===n},u.isNumber=Q,
+u.isObject=K,u.isRegExp=function(n){return K(n)&&"[object RegExp]"==vn.call(n)},u.isString=W,u.isUndefined=function(n){return n===tn},u.last=function(n){var t=n?n.length:0;return t?n[t-1]:tn},u.max=function(n){return n&&n.length?l(n,Z,b):tn},u.min=function(n){return n&&n.length?l(n,Z,j):tn},u.noConflict=function(){return cn._===this&&(cn._=bn),this},u.noop=function(){},u.reduce=J,u.result=function(n,t,r){return t=null==n?tn:n[t],t===tn&&(t=r),H(t)?t.call(n):t},u.size=function(n){return null==n?0:(n=V(n)?n:jn(n),
+n.length)},u.some=function(n,t,r){return t=r?tn:t,w(n,_(t))},u.uniqueId=function(n){var t=++hn;return X(n)+t},u.each=G,u.first=z,nn(u,function(){var n={};return h(u,function(t,r){sn.call(u.prototype,r)||(n[r]=t)}),n}(),{chain:false}),u.VERSION="4.16.0",mn("pop join replace reverse split push shift sort splice unshift".split(" "),function(n){var t=(/^(?:replace|split)$/.test(n)?String.prototype:ln)[n],r=/^(?:push|sort|unshift)$/.test(n)?"tap":"thru",e=/^(?:pop|join|replace|shift)$/.test(n);u.prototype[n]=function(){
+var n=arguments;if(e&&!this.__chain__){var u=this.value();return t.apply(Sn(u)?u:[],n)}return this[r](function(r){return t.apply(Sn(r)?r:[],n)})}}),u.prototype.toJSON=u.prototype.valueOf=u.prototype.value=function(){return k(this.__wrapped__,this.__actions__)},typeof define=="function"&&typeof define.amd=="object"&&define.amd?(cn._=u, define(function(){return u})):fn?((fn.exports=u)._=u,on._=u):cn._=u}).call(this);

dist/lodash.fp.js

@@ -151,11 +151,11 @@ return /******/ (function(modules) { // webpackBootstrap
 	 * @param {Function} cloner The function to clone arguments.
 	 * @returns {Function} Returns the new immutable function.
 	 */
-	function immutWrap(func, cloner) {
+	function wrapImmutable(func, cloner) {
 	  return function() {
 	    var length = arguments.length;
 	    if (!length) {
-	      return result;
+	      return;
 	    }
 	    var args = Array(length);
 	    while (length--) {
@@ -223,6 +223,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	    'keys': util.keys,
 	    'rearg': util.rearg,
 	    'spread': util.spread,
+	    'toInteger': util.toInteger,
 	    'toPath': util.toPath
 	  };
 
@@ -236,6 +237,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	      keys = helpers.keys,
 	      rearg = helpers.rearg,
 	      spread = helpers.spread,
+	      toInteger = helpers.toInteger,
 	      toPath = helpers.toPath;
 
 	  var aryMethodKeys = keys(mapping.aryMethod);
@@ -269,30 +271,38 @@ return /******/ (function(modules) { // webpackBootstrap
 	        if (!isFunction(func)) {
 	          return mixin(func, Object(source));
 	        }
-	        var methods = [],
-	            methodNames = [];
-
+	        var pairs = [];
 	        each(keys(source), function(key) {
-	          var value = source[key];
-	          if (isFunction(value)) {
-	            methodNames.push(key);
-	            methods.push(func.prototype[key]);
+	          if (isFunction(source[key])) {
+	            pairs.push([key, func.prototype[key]]);
 	          }
 	        });
 
 	        mixin(func, Object(source));
 
-	        each(methodNames, function(methodName, index) {
-	          var method = methods[index];
-	          if (isFunction(method)) {
-	            func.prototype[methodName] = method;
+	        each(pairs, function(pair) {
+	          var value = pair[1];
+	          if (isFunction(value)) {
+	            func.prototype[pair[0]] = value;
 	          } else {
-	            delete func.prototype[methodName];
+	            delete func.prototype[pair[0]];
 	          }
 	        });
 	        return func;
 	      };
 	    },
+	    'nthArg': function(nthArg) {
+	      return function(n) {
+	        var arity = n < 0 ? 1 : (toInteger(n) + 1);
+	        return curry(nthArg(n), arity);
+	      };
+	    },
+	    'rearg': function(rearg) {
+	      return function(func, indexes) {
+	        var arity = indexes ? indexes.length : 0;
+	        return curry(rearg(func, indexes), arity);
+	      };
+	    },
 	    'runInContext': function(runInContext) {
 	      return function(context) {
 	        return baseConvert(util, runInContext(context), options);
@@ -302,6 +312,77 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	  /*--------------------------------------------------------------------------*/
 
+	  /**
+	   * Casts `func` to a function with an arity capped iteratee if needed.
+	   *
+	   * @private
+	   * @param {string} name The name of the function to inspect.
+	   * @param {Function} func The function to inspect.
+	   * @returns {Function} Returns the cast function.
+	   */
+	  function castCap(name, func) {
+	    if (config.cap) {
+	      var indexes = mapping.iterateeRearg[name];
+	      if (indexes) {
+	        return iterateeRearg(func, indexes);
+	      }
+	      var n = !isLib && mapping.iterateeAry[name];
+	      if (n) {
+	        return iterateeAry(func, n);
+	      }
+	    }
+	    return func;
+	  }
+
+	  /**
+	   * Casts `func` to a curried function if needed.
+	   *
+	   * @private
+	   * @param {string} name The name of the function to inspect.
+	   * @param {Function} func The function to inspect.
+	   * @param {number} n The arity of `func`.
+	   * @returns {Function} Returns the cast function.
+	   */
+	  function castCurry(name, func, n) {
+	    return (forceCurry || (config.curry && n > 1))
+	      ? curry(func, n)
+	      : func;
+	  }
+
+	  /**
+	   * Casts `func` to a fixed arity function if needed.
+	   *
+	   * @private
+	   * @param {string} name The name of the function to inspect.
+	   * @param {Function} func The function to inspect.
+	   * @param {number} n The arity cap.
+	   * @returns {Function} Returns the cast function.
+	   */
+	  function castFixed(name, func, n) {
+	    if (config.fixed && (forceFixed || !mapping.skipFixed[name])) {
+	      var data = mapping.methodSpread[name],
+	          start = data && data.start;
+
+	      return start  === undefined ? ary(func, n) : spread(func, start);
+	    }
+	    return func;
+	  }
+
+	  /**
+	   * Casts `func` to an rearged function if needed.
+	   *
+	   * @private
+	   * @param {string} name The name of the function to inspect.
+	   * @param {Function} func The function to inspect.
+	   * @param {number} n The arity of `func`.
+	   * @returns {Function} Returns the cast function.
+	   */
+	  function castRearg(name, func, n) {
+	    return (config.rearg && n > 1 && (forceRearg || !mapping.skipRearg[name]))
+	      ? rearg(func, mapping.methodRearg[name] || mapping.aryRearg[n])
+	      : func;
+	  }
+
 	  /**
 	   * Creates a clone of `object` by `path`.
 	   *
@@ -315,6 +396,7 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	    var index = -1,
 	        length = path.length,
+	        lastIndex = length - 1,
 	        result = clone(Object(object)),
 	        nested = result;
 
@@ -323,7 +405,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	          value = nested[key];
 
 	      if (value != null) {
-	        nested[key] = clone(Object(value));
+	        nested[path[index]] = clone(index == lastIndex ? value : Object(value));
 	      }
 	      nested = nested[key];
 	    }
@@ -393,12 +475,11 @@ return /******/ (function(modules) { // webpackBootstrap
 	  }
 
 	  /**
-	   * Creates a function that invokes `func` with its first argument passed
-	   * thru `transform`.
+	   * Creates a function that invokes `func` with its first argument transformed.
 	   *
 	   * @private
 	   * @param {Function} func The function to wrap.
-	   * @param {...Function} transform The functions to transform the first argument.
+	   * @param {Function} transform The argument transform.
 	   * @returns {Function} Returns the new function.
 	   */
 	  function overArg(func, transform) {
@@ -438,42 +519,27 @@ return /******/ (function(modules) { // webpackBootstrap
 	    }
 	    else if (config.immutable) {
 	      if (mutateMap.array[name]) {
-	        wrapped = immutWrap(func, cloneArray);
+	        wrapped = wrapImmutable(func, cloneArray);
 	      }
 	      else if (mutateMap.object[name]) {
-	        wrapped = immutWrap(func, createCloner(func));
+	        wrapped = wrapImmutable(func, createCloner(func));
 	      }
 	      else if (mutateMap.set[name]) {
-	        wrapped = immutWrap(func, cloneByPath);
+	        wrapped = wrapImmutable(func, cloneByPath);
 	      }
 	    }
 	    each(aryMethodKeys, function(aryKey) {
 	      each(mapping.aryMethod[aryKey], function(otherName) {
 	        if (name == otherName) {
-	          var aryN = !isLib && mapping.iterateeAry[name],
-	              reargIndexes = mapping.iterateeRearg[name],
-	              spreadStart = mapping.methodSpread[name];
+	          var spreadData = mapping.methodSpread[name],
+	              afterRearg = spreadData && spreadData.afterRearg;
 
-	          result = wrapped;
-	          if (config.fixed && (forceFixed || !mapping.skipFixed[name])) {
-	            result = spreadStart === undefined
-	              ? ary(result, aryKey)
-	              : spread(result, spreadStart);
-	          }
-	          if (config.rearg && aryKey > 1 && (forceRearg || !mapping.skipRearg[name])) {
-	            result = rearg(result, mapping.methodRearg[name] || mapping.aryRearg[aryKey]);
-	          }
-	          if (config.cap) {
-	            if (reargIndexes) {
-	              result = iterateeRearg(result, reargIndexes);
-	            } else if (aryN) {
-	              result = iterateeAry(result, aryN);
-	            }
-	          }
-	          if (forceCurry || (config.curry && aryKey > 1)) {
-	            forceCurry  && console.log(forceCurry, name);
-	            result = curry(result, aryKey);
-	          }
+	          result = afterRearg
+	            ? castFixed(name, castRearg(name, wrapped, aryKey), aryKey)
+	            : castRearg(name, castFixed(name, wrapped, aryKey), aryKey);
+
+	          result = castCap(name, result);
+	          result = castCurry(name, result, aryKey);
 	          return false;
 	        }
 	      });
@@ -562,11 +628,20 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'entries': 'toPairs',
 	  'entriesIn': 'toPairsIn',
 	  'extend': 'assignIn',
+	  'extendAll': 'assignInAll',
+	  'extendAllWith': 'assignInAllWith',
 	  'extendWith': 'assignInWith',
 	  'first': 'head',
 
+	  // Methods that are curried variants of others.
+	  'conforms': 'conformsTo',
+	  'matches': 'isMatch',
+	  'property': 'get',
+
 	  // Ramda aliases.
 	  '__': 'placeholder',
+	  'F': 'stubFalse',
+	  'T': 'stubTrue',
 	  'all': 'every',
 	  'allPass': 'overEvery',
 	  'always': 'constant',
@@ -580,8 +655,11 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'contains': 'includes',
 	  'dissoc': 'unset',
 	  'dissocPath': 'unset',
+	  'dropLast': 'dropRight',
+	  'dropLastWhile': 'dropRightWhile',
 	  'equals': 'isEqual',
 	  'identical': 'eq',
+	  'indexBy': 'keyBy',
 	  'init': 'initial',
 	  'invertObj': 'invert',
 	  'juxt': 'over',
@@ -598,36 +676,44 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'propEq': 'matchesProperty',
 	  'propOr': 'getOr',
 	  'props': 'at',
+	  'symmetricDifference': 'xor',
+	  'symmetricDifferenceBy': 'xorBy',
+	  'symmetricDifferenceWith': 'xorWith',
+	  'takeLast': 'takeRight',
+	  'takeLastWhile': 'takeRightWhile',
 	  'unapply': 'rest',
 	  'unnest': 'flatten',
 	  'useWith': 'overArgs',
-	  'whereEq': 'filter',
+	  'where': 'conformsTo',
+	  'whereEq': 'isMatch',
 	  'zipObj': 'zipObject'
 	};
 
 	/** Used to map ary to method names. */
 	exports.aryMethod = {
 	  '1': [
-	    'attempt', 'castArray', 'ceil', 'create', 'curry', 'curryRight', 'floor',
-	    'flow', 'flowRight', 'fromPairs', 'invert', 'iteratee', 'memoize', 'method',
-	    'methodOf', 'mixin', 'over', 'overEvery', 'overSome', 'rest', 'reverse',
+	    'assignAll', 'assignInAll', 'attempt', 'castArray', 'ceil', 'create',
+	    'curry', 'curryRight', 'defaultsAll', 'defaultsDeepAll', 'floor', 'flow',
+	    'flowRight', 'fromPairs', 'invert', 'iteratee', 'memoize', 'method', 'mergeAll',
+	    'methodOf', 'mixin', 'nthArg', 'over', 'overEvery', 'overSome','rest', 'reverse',
 	    'round', 'runInContext', 'spread', 'template', 'trim', 'trimEnd', 'trimStart',
-	    'uniqueId', 'words'
+	    'uniqueId', 'words', 'zipAll'
 	  ],
 	  '2': [
-	    'add', 'after', 'ary', 'assign', 'assignIn', 'at', 'before', 'bind', 'bindAll',
-	    'bindKey', 'chunk', 'cloneDeepWith', 'cloneWith', 'concat', 'countBy', 'curryN',
-	    'curryRightN', 'debounce', 'defaults', 'defaultsDeep', 'delay', 'difference',
-	    'divide', 'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith',
-	    'eq', 'every', 'filter', 'find', 'find', 'findIndex', 'findKey', 'findLast',
-	    'findLastIndex', 'findLastKey', 'flatMap', 'flatMapDeep', 'flattenDepth',
-	    'forEach', 'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight',
-	    'get', 'groupBy', 'gt', 'gte', 'has', 'hasIn', 'includes', 'indexOf',
-	    'intersection', 'invertBy', 'invoke', 'invokeMap', 'isEqual', 'isMatch',
-	    'join', 'keyBy', 'lastIndexOf', 'lt', 'lte', 'map', 'mapKeys', 'mapValues',
-	    'matchesProperty', 'maxBy', 'meanBy', 'merge', 'minBy', 'multiply', 'nth',
-	    'omit', 'omitBy', 'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt',
-	    'partial', 'partialRight', 'partition', 'pick', 'pickBy', 'pull', 'pullAll',
+	    'add', 'after', 'ary', 'assign', 'assignAllWith', 'assignIn', 'assignInAllWith',
+	    'at', 'before', 'bind', 'bindAll', 'bindKey', 'chunk', 'cloneDeepWith',
+	    'cloneWith', 'concat', 'conformsTo', 'countBy', 'curryN', 'curryRightN',
+	    'debounce', 'defaults', 'defaultsDeep', 'defaultTo', 'delay', 'difference',
+	    'divide', 'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith', 'eq',
+	    'every', 'filter', 'find', 'findIndex', 'findKey', 'findLast', 'findLastIndex',
+	    'findLastKey', 'flatMap', 'flatMapDeep', 'flattenDepth', 'forEach',
+	    'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight', 'get',
+	    'groupBy', 'gt', 'gte', 'has', 'hasIn', 'includes', 'indexOf', 'intersection',
+	    'invertBy', 'invoke', 'invokeMap', 'isEqual', 'isMatch', 'join', 'keyBy',
+	    'lastIndexOf', 'lt', 'lte', 'map', 'mapKeys', 'mapValues', 'matchesProperty',
+	    'maxBy', 'meanBy', 'merge', 'mergeAllWith', 'minBy', 'multiply', 'nth', 'omit',
+	    'omitBy', 'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt', 'partial',
+	    'partialRight', 'partition', 'pick', 'pickBy', 'propertyOf', 'pull', 'pullAll',
 	    'pullAt', 'random', 'range', 'rangeRight', 'rearg', 'reject', 'remove',
 	    'repeat', 'restFrom', 'result', 'sampleSize', 'some', 'sortBy', 'sortedIndex',
 	    'sortedIndexOf', 'sortedLastIndex', 'sortedLastIndexOf', 'sortedUniqBy',
@@ -639,12 +725,14 @@ return /******/ (function(modules) { // webpackBootstrap
 	  ],
 	  '3': [
 	    'assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith',
-	    'getOr', 'inRange', 'intersectionBy', 'intersectionWith', 'invokeArgs',
-	    'invokeArgsMap', 'isEqualWith', 'isMatchWith', 'flatMapDepth', 'mergeWith',
-	    'orderBy', 'padChars', 'padCharsEnd', 'padCharsStart', 'pullAllBy',
-	    'pullAllWith', 'reduce', 'reduceRight', 'replace', 'set', 'slice',
-	    'sortedIndexBy', 'sortedLastIndexBy', 'transform', 'unionBy', 'unionWith',
-	    'update', 'xorBy', 'xorWith', 'zipWith'
+	    'findFrom', 'findIndexFrom', 'findLastFrom', 'findLastIndexFrom', 'getOr',
+	    'includesFrom', 'indexOfFrom', 'inRange', 'intersectionBy', 'intersectionWith',
+	    'invokeArgs', 'invokeArgsMap', 'isEqualWith', 'isMatchWith', 'flatMapDepth',
+	    'lastIndexOfFrom', 'mergeWith', 'orderBy', 'padChars', 'padCharsEnd',
+	    'padCharsStart', 'pullAllBy', 'pullAllWith', 'rangeStep', 'rangeStepRight',
+	    'reduce', 'reduceRight', 'replace', 'set', 'slice', 'sortedIndexBy',
+	    'sortedLastIndexBy', 'transform', 'unionBy', 'unionWith', 'update', 'xorBy',
+	    'xorWith', 'zipWith'
 	  ],
 	  '4': [
 	    'fill', 'setWith', 'updateWith'
@@ -665,10 +753,14 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'every': 1,
 	  'filter': 1,
 	  'find': 1,
+	  'findFrom': 1,
 	  'findIndex': 1,
+	  'findIndexFrom': 1,
 	  'findKey': 1,
 	  'findLast': 1,
+	  'findLastFrom': 1,
 	  'findLastIndex': 1,
+	  'findLastIndexFrom': 1,
 	  'findLastKey': 1,
 	  'flatMap': 1,
 	  'flatMapDeep': 1,
@@ -701,31 +793,53 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	/** Used to map method names to rearg configs. */
 	exports.methodRearg = {
+	  'assignInAllWith': [1, 2, 0],
 	  'assignInWith': [1, 2, 0],
+	  'assignAllWith': [1, 2, 0],
 	  'assignWith': [1, 2, 0],
+	  'differenceBy': [1, 2, 0],
+	  'differenceWith': [1, 2, 0],
 	  'getOr': [2, 1, 0],
+	  'intersectionBy': [1, 2, 0],
+	  'intersectionWith': [1, 2, 0],
 	  'isEqualWith': [1, 2, 0],
 	  'isMatchWith': [2, 1, 0],
+	  'mergeAllWith': [1, 2, 0],
 	  'mergeWith': [1, 2, 0],
 	  'padChars': [2, 1, 0],
 	  'padCharsEnd': [2, 1, 0],
 	  'padCharsStart': [2, 1, 0],
 	  'pullAllBy': [2, 1, 0],
 	  'pullAllWith': [2, 1, 0],
+	  'rangeStep': [1, 2, 0],
+	  'rangeStepRight': [1, 2, 0],
 	  'setWith': [3, 1, 2, 0],
 	  'sortedIndexBy': [2, 1, 0],
 	  'sortedLastIndexBy': [2, 1, 0],
+	  'unionBy': [1, 2, 0],
+	  'unionWith': [1, 2, 0],
 	  'updateWith': [3, 1, 2, 0],
+	  'xorBy': [1, 2, 0],
+	  'xorWith': [1, 2, 0],
 	  'zipWith': [1, 2, 0]
 	};
 
 	/** Used to map method names to spread configs. */
 	exports.methodSpread = {
-	  'invokeArgs': 2,
-	  'invokeArgsMap': 2,
-	  'partial': 1,
-	  'partialRight': 1,
-	  'without': 1
+	  'assignAll': { 'start': 0 },
+	  'assignAllWith': { 'afterRearg': true, 'start': 1 },
+	  'assignInAll': { 'start': 0 },
+	  'assignInAllWith': { 'afterRearg': true, 'start': 1 },
+	  'defaultsAll': { 'start': 0 },
+	  'defaultsDeepAll': { 'start': 0 },
+	  'invokeArgs': { 'start': 2 },
+	  'invokeArgsMap': { 'start': 2 },
+	  'mergeAll': { 'start': 0 },
+	  'mergeAllWith': { 'afterRearg': true, 'start': 1 },
+	  'partial': { 'start': 1 },
+	  'partialRight': { 'start': 1 },
+	  'without': { 'start': 1 },
+	  'zipAll': { 'start': 0 }
 	};
 
 	/** Used to identify methods which mutate arrays or objects. */
@@ -742,13 +856,21 @@ return /******/ (function(modules) { // webpackBootstrap
 	  },
 	  'object': {
 	    'assign': true,
+	    'assignAll': true,
+	    'assignAllWith': true,
 	    'assignIn': true,
+	    'assignInAll': true,
+	    'assignInAllWith': true,
 	    'assignInWith': true,
 	    'assignWith': true,
 	    'defaults': true,
+	    'defaultsAll': true,
 	    'defaultsDeep': true,
+	    'defaultsDeepAll': true,
 	    'merge': true,
-	    'mergeWith': true
+	    'mergeAll': true,
+	    'mergeAllWith': true,
+	    'mergeWith': true,
 	  },
 	  'set': {
 	    'set': true,
@@ -788,19 +910,38 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	/** Used to map method names to other names. */
 	exports.remap = {
+	  'assignAll': 'assign',
+	  'assignAllWith': 'assignWith',
+	  'assignInAll': 'assignIn',
+	  'assignInAllWith': 'assignInWith',
 	  'curryN': 'curry',
 	  'curryRightN': 'curryRight',
+	  'defaultsAll': 'defaults',
+	  'defaultsDeepAll': 'defaultsDeep',
+	  'findFrom': 'find',
+	  'findIndexFrom': 'findIndex',
+	  'findLastFrom': 'findLast',
+	  'findLastIndexFrom': 'findLastIndex',
 	  'getOr': 'get',
+	  'includesFrom': 'includes',
+	  'indexOfFrom': 'indexOf',
 	  'invokeArgs': 'invoke',
 	  'invokeArgsMap': 'invokeMap',
+	  'lastIndexOfFrom': 'lastIndexOf',
+	  'mergeAll': 'merge',
+	  'mergeAllWith': 'mergeWith',
 	  'padChars': 'pad',
 	  'padCharsEnd': 'padEnd',
 	  'padCharsStart': 'padStart',
+	  'propertyOf': 'get',
+	  'rangeStep': 'range',
+	  'rangeStepRight': 'rangeRight',
 	  'restFrom': 'rest',
 	  'spreadFrom': 'spread',
 	  'trimChars': 'trim',
 	  'trimCharsEnd': 'trimEnd',
-	  'trimCharsStart': 'trimStart'
+	  'trimCharsStart': 'trimStart',
+	  'zipAll': 'zip'
 	};
 
 	/** Used to track methods that skip fixing their arity. */
@@ -810,6 +951,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'flowRight': true,
 	  'iteratee': true,
 	  'mixin': true,
+	  'rearg': true,
 	  'runInContext': true
 	};
 
@@ -835,13 +977,14 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'overArgs': true,
 	  'partial': true,
 	  'partialRight': true,
+	  'propertyOf': true,
 	  'random': true,
 	  'range': true,
 	  'rangeRight': true,
 	  'subtract': true,
-	  'without': true,
 	  'zip': true,
-	  'zipObject': true
+	  'zipObject': true,
+	  'zipObjectDeep': true
 	};
 
 

dist/lodash.fp.min.js

@@ -1,16 +1,20 @@
-!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.fp=e():t.fp=e()}(this,function(){return function(t){function e(n){if(r[n])return r[n].exports;var i=r[n]={exports:{},id:n,loaded:!1};return t[n].call(i.exports,i,i.exports,e),i.loaded=!0,i.exports}var r={};return e.m=t,e.c=r,e.p="",e(0)}([function(t,e,r){function n(t,e){return i(t,t,e)}var i=r(1);"function"==typeof _&&(_=n(_.runInContext())),
-t.exports=n},function(t,e,r){function n(t,e){return 2==e?function(e,r){return t.apply(void 0,arguments)}:function(e){return t.apply(void 0,arguments)}}function i(t,e){return 2==e?function(e,r){return t(e,r)}:function(e){return t(e)}}function a(t){for(var e=t?t.length:0,r=Array(e);e--;)r[e]=t[e];return r}function o(t){return function(e){return t({},e)}}function s(t,e){return function(){var r=arguments.length;if(!r)return i;for(var n=Array(r);r--;)n[r]=arguments[r];var i=n[0]=e.apply(void 0,n);return t.apply(void 0,n),
-i}}function u(t,e,r,d){function f(t,e){e=F(e);for(var r=-1,n=e.length,i=M(Object(t)),a=i;null!=a&&++r<n;){var o=e[r],s=a[o];null!=s&&(a[o]=M(Object(s))),a=a[o]}return i}function h(t){return N.runInContext.convert(t)(void 0)}function y(t,e){var r=d;return function(n){var i=R?B:j,a=R?B[t]:e,o=w(w({},r),n);return u(i,t,a,o)}}function g(t,e){return v(t,function(t){return"function"==typeof t?i(t,e):t})}function m(t,e){return v(t,function(t){var r=e.length;return n(L(i(t,r),e),r)})}function v(t,e){return function(){
-var r=arguments.length;if(!r)return t();for(var n=Array(r);r--;)n[r]=arguments[r];var i=I.rearg?0:r-1;return n[i]=e(n[i]),t.apply(void 0,n)}}function x(t,e){t=p.aliasToReal[t]||t;var r,n=e,i=_[t];return i?n=i(e):I.immutable&&(l.array[t]?n=s(e,a):l.object[t]?n=s(e,o(e)):l.set[t]&&(n=s(e,f))),P(T,function(e){return P(p.aryMethod[e],function(i){if(t==i){var a=!R&&p.iterateeAry[t],o=p.iterateeRearg[t],s=p.methodSpread[t];return r=n,!I.fixed||!k&&p.skipFixed[t]||(r=void 0===s?C(r,e):D(r,s)),I.rearg&&e>1&&(E||!p.skipRearg[t])&&(r=L(r,p.methodRearg[t]||p.aryRearg[e])),
-I.cap&&(o?r=m(r,o):a&&(r=g(r,a))),(b||I.curry&&e>1)&&(b&&console.log(b,t),r=q(r,e)),!1}}),!r}),r||(r=n),r==e&&(r=b?q(r,1):function(){return e.apply(this,arguments)}),r.convert=y(t,e),p.placeholder[t]&&(W=!0,r.placeholder=e.placeholder=O),r}var W,R="function"==typeof e,A=e===Object(e);if(A&&(d=r,r=e,e=void 0),null==r)throw new TypeError;d||(d={});var I={cap:"cap"in d?d.cap:!0,curry:"curry"in d?d.curry:!0,fixed:"fixed"in d?d.fixed:!0,immutable:"immutable"in d?d.immutable:!0,rearg:"rearg"in d?d.rearg:!0
-},b="curry"in d&&d.curry,k="fixed"in d&&d.fixed,E="rearg"in d&&d.rearg,O=R?r:c,B=R?r.runInContext():void 0,j=R?r:{ary:t.ary,assign:t.assign,clone:t.clone,curry:t.curry,forEach:t.forEach,isArray:t.isArray,isFunction:t.isFunction,iteratee:t.iteratee,keys:t.keys,rearg:t.rearg,spread:t.spread,toPath:t.toPath},C=j.ary,w=j.assign,M=j.clone,q=j.curry,P=j.forEach,S=j.isArray,z=j.isFunction,K=j.keys,L=j.rearg,D=j.spread,F=j.toPath,T=K(p.aryMethod),_={castArray:function(t){return function(){var e=arguments[0];
-return S(e)?t(a(e)):t.apply(void 0,arguments)}},iteratee:function(t){return function(){var e=arguments[0],r=arguments[1],n=t(e,r),a=n.length;return I.cap&&"number"==typeof r?(r=r>2?r-2:1,a&&r>=a?n:i(n,r)):n}},mixin:function(t){return function(e){var r=this;if(!z(r))return t(r,Object(e));var n=[],i=[];return P(K(e),function(t){var a=e[t];z(a)&&(i.push(t),n.push(r.prototype[t]))}),t(r,Object(e)),P(i,function(t,e){var i=n[e];z(i)?r.prototype[t]=i:delete r.prototype[t]}),r}},runInContext:function(e){
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-each:"forEach",eachRight:"forEachRight",entries:"toPairs",entriesIn:"toPairsIn",extend:"assignIn",extendWith:"assignInWith",first:"head",__:"placeholder",all:"every",allPass:"overEvery",always:"constant",any:"some",anyPass:"overSome",apply:"spread",assoc:"set",assocPath:"set",complement:"negate",compose:"flowRight",contains:"includes",dissoc:"unset",dissocPath:"unset",equals:"isEqual",identical:"eq",init:"initial",invertObj:"invert",juxt:"over",omitAll:"omit",nAry:"ary",path:"get",pathEq:"matchesProperty",
-pathOr:"getOr",paths:"at",pickAll:"pick",pipe:"flow",pluck:"map",prop:"get",propEq:"matchesProperty",propOr:"getOr",props:"at",unapply:"rest",unnest:"flatten",useWith:"overArgs",whereEq:"filter",zipObj:"zipObject"},e.aryMethod={1:["attempt","castArray","ceil","create","curry","curryRight","floor","flow","flowRight","fromPairs","invert","iteratee","memoize","method","methodOf","mixin","over","overEvery","overSome","rest","reverse","round","runInContext","spread","template","trim","trimEnd","trimStart","uniqueId","words"],
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-4:[3,2,0,1]},e.iterateeAry={dropRightWhile:1,dropWhile:1,every:1,filter:1,find:1,findIndex:1,findKey:1,findLast:1,findLastIndex:1,findLastKey:1,flatMap:1,flatMapDeep:1,flatMapDepth:1,forEach:1,forEachRight:1,forIn:1,forInRight:1,forOwn:1,forOwnRight:1,map:1,mapKeys:1,mapValues:1,partition:1,reduce:2,reduceRight:2,reject:1,remove:1,some:1,takeRightWhile:1,takeWhile:1,times:1,transform:2},e.iterateeRearg={mapKeys:[1]},e.methodRearg={assignInWith:[1,2,0],assignWith:[1,2,0],getOr:[2,1,0],isEqualWith:[1,2,0],
-isMatchWith:[2,1,0],mergeWith:[1,2,0],padChars:[2,1,0],padCharsEnd:[2,1,0],padCharsStart:[2,1,0],pullAllBy:[2,1,0],pullAllWith:[2,1,0],setWith:[3,1,2,0],sortedIndexBy:[2,1,0],sortedLastIndexBy:[2,1,0],updateWith:[3,1,2,0],zipWith:[1,2,0]},e.methodSpread={invokeArgs:2,invokeArgsMap:2,partial:1,partialRight:1,without:1},e.mutate={array:{fill:!0,pull:!0,pullAll:!0,pullAllBy:!0,pullAllWith:!0,pullAt:!0,remove:!0,reverse:!0},object:{assign:!0,assignIn:!0,assignInWith:!0,assignWith:!0,defaults:!0,defaultsDeep:!0,
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-spreadFrom:"spread",trimChars:"trim",trimCharsEnd:"trimEnd",trimCharsStart:"trimStart"},e.skipFixed={castArray:!0,flow:!0,flowRight:!0,iteratee:!0,mixin:!0,runInContext:!0},e.skipRearg={add:!0,assign:!0,assignIn:!0,bind:!0,bindKey:!0,concat:!0,difference:!0,divide:!0,eq:!0,gt:!0,gte:!0,isEqual:!0,lt:!0,lte:!0,matchesProperty:!0,merge:!0,multiply:!0,overArgs:!0,partial:!0,partialRight:!0,random:!0,range:!0,rangeRight:!0,subtract:!0,without:!0,zip:!0,zipObject:!0}},function(t,e){t.exports={}}])});
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dist/lodash.min.js

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+Ut["[object Float32Array]"]=Ut["[object Float64Array]"]=Ut["[object Int8Array]"]=Ut["[object Int16Array]"]=Ut["[object Int32Array]"]=Ut["[object Uint8Array]"]=Ut["[object Uint8ClampedArray]"]=Ut["[object Uint16Array]"]=Ut["[object Uint32Array]"]=true,Ut["[object Arguments]"]=Ut["[object Array]"]=Ut["[object ArrayBuffer]"]=Ut["[object Boolean]"]=Ut["[object DataView]"]=Ut["[object Date]"]=Ut["[object Error]"]=Ut["[object Function]"]=Ut["[object Map]"]=Ut["[object Number]"]=Ut["[object Object]"]=Ut["[object RegExp]"]=Ut["[object Set]"]=Ut["[object String]"]=Ut["[object WeakMap]"]=false;
+var Mt={};Mt["[object Arguments]"]=Mt["[object Array]"]=Mt["[object ArrayBuffer]"]=Mt["[object DataView]"]=Mt["[object Boolean]"]=Mt["[object Date]"]=Mt["[object Float32Array]"]=Mt["[object Float64Array]"]=Mt["[object Int8Array]"]=Mt["[object Int16Array]"]=Mt["[object Int32Array]"]=Mt["[object Map]"]=Mt["[object Number]"]=Mt["[object Object]"]=Mt["[object RegExp]"]=Mt["[object Set]"]=Mt["[object String]"]=Mt["[object Symbol]"]=Mt["[object Uint8Array]"]=Mt["[object Uint8ClampedArray]"]=Mt["[object Uint16Array]"]=Mt["[object Uint32Array]"]=true,
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+t:{try{Dt=Gt&&Gt.f("util");break t}catch(t){}Dt=void 0}var Jt=Dt&&Dt.isArrayBuffer,Yt=Dt&&Dt.isDate,Ht=Dt&&Dt.isMap,Qt=Dt&&Dt.isRegExp,Xt=Dt&&Dt.isSet,tn=Dt&&Dt.isTypedArray,nn=j("length"),rn=w({"\xc0":"A","\xc1":"A","\xc2":"A","\xc3":"A","\xc4":"A","\xc5":"A","\xe0":"a","\xe1":"a","\xe2":"a","\xe3":"a","\xe4":"a","\xe5":"a","\xc7":"C","\xe7":"c","\xd0":"D","\xf0":"d","\xc8":"E","\xc9":"E","\xca":"E","\xcb":"E","\xe8":"e","\xe9":"e","\xea":"e","\xeb":"e","\xcc":"I","\xcd":"I","\xce":"I","\xcf":"I",
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dist/mapping.fp.js

@@ -63,11 +63,20 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'entries': 'toPairs',
 	  'entriesIn': 'toPairsIn',
 	  'extend': 'assignIn',
+	  'extendAll': 'assignInAll',
+	  'extendAllWith': 'assignInAllWith',
 	  'extendWith': 'assignInWith',
 	  'first': 'head',
 
+	  // Methods that are curried variants of others.
+	  'conforms': 'conformsTo',
+	  'matches': 'isMatch',
+	  'property': 'get',
+
 	  // Ramda aliases.
 	  '__': 'placeholder',
+	  'F': 'stubFalse',
+	  'T': 'stubTrue',
 	  'all': 'every',
 	  'allPass': 'overEvery',
 	  'always': 'constant',
@@ -81,8 +90,11 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'contains': 'includes',
 	  'dissoc': 'unset',
 	  'dissocPath': 'unset',
+	  'dropLast': 'dropRight',
+	  'dropLastWhile': 'dropRightWhile',
 	  'equals': 'isEqual',
 	  'identical': 'eq',
+	  'indexBy': 'keyBy',
 	  'init': 'initial',
 	  'invertObj': 'invert',
 	  'juxt': 'over',
@@ -99,36 +111,44 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'propEq': 'matchesProperty',
 	  'propOr': 'getOr',
 	  'props': 'at',
+	  'symmetricDifference': 'xor',
+	  'symmetricDifferenceBy': 'xorBy',
+	  'symmetricDifferenceWith': 'xorWith',
+	  'takeLast': 'takeRight',
+	  'takeLastWhile': 'takeRightWhile',
 	  'unapply': 'rest',
 	  'unnest': 'flatten',
 	  'useWith': 'overArgs',
-	  'whereEq': 'filter',
+	  'where': 'conformsTo',
+	  'whereEq': 'isMatch',
 	  'zipObj': 'zipObject'
 	};
 
 	/** Used to map ary to method names. */
 	exports.aryMethod = {
 	  '1': [
-	    'attempt', 'castArray', 'ceil', 'create', 'curry', 'curryRight', 'floor',
-	    'flow', 'flowRight', 'fromPairs', 'invert', 'iteratee', 'memoize', 'method',
-	    'methodOf', 'mixin', 'over', 'overEvery', 'overSome', 'rest', 'reverse',
+	    'assignAll', 'assignInAll', 'attempt', 'castArray', 'ceil', 'create',
+	    'curry', 'curryRight', 'defaultsAll', 'defaultsDeepAll', 'floor', 'flow',
+	    'flowRight', 'fromPairs', 'invert', 'iteratee', 'memoize', 'method', 'mergeAll',
+	    'methodOf', 'mixin', 'nthArg', 'over', 'overEvery', 'overSome','rest', 'reverse',
 	    'round', 'runInContext', 'spread', 'template', 'trim', 'trimEnd', 'trimStart',
-	    'uniqueId', 'words'
+	    'uniqueId', 'words', 'zipAll'
 	  ],
 	  '2': [
-	    'add', 'after', 'ary', 'assign', 'assignIn', 'at', 'before', 'bind', 'bindAll',
-	    'bindKey', 'chunk', 'cloneDeepWith', 'cloneWith', 'concat', 'countBy', 'curryN',
-	    'curryRightN', 'debounce', 'defaults', 'defaultsDeep', 'delay', 'difference',
-	    'divide', 'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith',
-	    'eq', 'every', 'filter', 'find', 'find', 'findIndex', 'findKey', 'findLast',
-	    'findLastIndex', 'findLastKey', 'flatMap', 'flatMapDeep', 'flattenDepth',
-	    'forEach', 'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight',
-	    'get', 'groupBy', 'gt', 'gte', 'has', 'hasIn', 'includes', 'indexOf',
-	    'intersection', 'invertBy', 'invoke', 'invokeMap', 'isEqual', 'isMatch',
-	    'join', 'keyBy', 'lastIndexOf', 'lt', 'lte', 'map', 'mapKeys', 'mapValues',
-	    'matchesProperty', 'maxBy', 'meanBy', 'merge', 'minBy', 'multiply', 'nth',
-	    'omit', 'omitBy', 'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt',
-	    'partial', 'partialRight', 'partition', 'pick', 'pickBy', 'pull', 'pullAll',
+	    'add', 'after', 'ary', 'assign', 'assignAllWith', 'assignIn', 'assignInAllWith',
+	    'at', 'before', 'bind', 'bindAll', 'bindKey', 'chunk', 'cloneDeepWith',
+	    'cloneWith', 'concat', 'conformsTo', 'countBy', 'curryN', 'curryRightN',
+	    'debounce', 'defaults', 'defaultsDeep', 'defaultTo', 'delay', 'difference',
+	    'divide', 'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith', 'eq',
+	    'every', 'filter', 'find', 'findIndex', 'findKey', 'findLast', 'findLastIndex',
+	    'findLastKey', 'flatMap', 'flatMapDeep', 'flattenDepth', 'forEach',
+	    'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight', 'get',
+	    'groupBy', 'gt', 'gte', 'has', 'hasIn', 'includes', 'indexOf', 'intersection',
+	    'invertBy', 'invoke', 'invokeMap', 'isEqual', 'isMatch', 'join', 'keyBy',
+	    'lastIndexOf', 'lt', 'lte', 'map', 'mapKeys', 'mapValues', 'matchesProperty',
+	    'maxBy', 'meanBy', 'merge', 'mergeAllWith', 'minBy', 'multiply', 'nth', 'omit',
+	    'omitBy', 'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt', 'partial',
+	    'partialRight', 'partition', 'pick', 'pickBy', 'propertyOf', 'pull', 'pullAll',
 	    'pullAt', 'random', 'range', 'rangeRight', 'rearg', 'reject', 'remove',
 	    'repeat', 'restFrom', 'result', 'sampleSize', 'some', 'sortBy', 'sortedIndex',
 	    'sortedIndexOf', 'sortedLastIndex', 'sortedLastIndexOf', 'sortedUniqBy',
@@ -140,12 +160,14 @@ return /******/ (function(modules) { // webpackBootstrap
 	  ],
 	  '3': [
 	    'assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith',
-	    'getOr', 'inRange', 'intersectionBy', 'intersectionWith', 'invokeArgs',
-	    'invokeArgsMap', 'isEqualWith', 'isMatchWith', 'flatMapDepth', 'mergeWith',
-	    'orderBy', 'padChars', 'padCharsEnd', 'padCharsStart', 'pullAllBy',
-	    'pullAllWith', 'reduce', 'reduceRight', 'replace', 'set', 'slice',
-	    'sortedIndexBy', 'sortedLastIndexBy', 'transform', 'unionBy', 'unionWith',
-	    'update', 'xorBy', 'xorWith', 'zipWith'
+	    'findFrom', 'findIndexFrom', 'findLastFrom', 'findLastIndexFrom', 'getOr',
+	    'includesFrom', 'indexOfFrom', 'inRange', 'intersectionBy', 'intersectionWith',
+	    'invokeArgs', 'invokeArgsMap', 'isEqualWith', 'isMatchWith', 'flatMapDepth',
+	    'lastIndexOfFrom', 'mergeWith', 'orderBy', 'padChars', 'padCharsEnd',
+	    'padCharsStart', 'pullAllBy', 'pullAllWith', 'rangeStep', 'rangeStepRight',
+	    'reduce', 'reduceRight', 'replace', 'set', 'slice', 'sortedIndexBy',
+	    'sortedLastIndexBy', 'transform', 'unionBy', 'unionWith', 'update', 'xorBy',
+	    'xorWith', 'zipWith'
 	  ],
 	  '4': [
 	    'fill', 'setWith', 'updateWith'
@@ -166,10 +188,14 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'every': 1,
 	  'filter': 1,
 	  'find': 1,
+	  'findFrom': 1,
 	  'findIndex': 1,
+	  'findIndexFrom': 1,
 	  'findKey': 1,
 	  'findLast': 1,
+	  'findLastFrom': 1,
 	  'findLastIndex': 1,
+	  'findLastIndexFrom': 1,
 	  'findLastKey': 1,
 	  'flatMap': 1,
 	  'flatMapDeep': 1,
@@ -202,31 +228,53 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	/** Used to map method names to rearg configs. */
 	exports.methodRearg = {
+	  'assignInAllWith': [1, 2, 0],
 	  'assignInWith': [1, 2, 0],
+	  'assignAllWith': [1, 2, 0],
 	  'assignWith': [1, 2, 0],
+	  'differenceBy': [1, 2, 0],
+	  'differenceWith': [1, 2, 0],
 	  'getOr': [2, 1, 0],
+	  'intersectionBy': [1, 2, 0],
+	  'intersectionWith': [1, 2, 0],
 	  'isEqualWith': [1, 2, 0],
 	  'isMatchWith': [2, 1, 0],
+	  'mergeAllWith': [1, 2, 0],
 	  'mergeWith': [1, 2, 0],
 	  'padChars': [2, 1, 0],
 	  'padCharsEnd': [2, 1, 0],
 	  'padCharsStart': [2, 1, 0],
 	  'pullAllBy': [2, 1, 0],
 	  'pullAllWith': [2, 1, 0],
+	  'rangeStep': [1, 2, 0],
+	  'rangeStepRight': [1, 2, 0],
 	  'setWith': [3, 1, 2, 0],
 	  'sortedIndexBy': [2, 1, 0],
 	  'sortedLastIndexBy': [2, 1, 0],
+	  'unionBy': [1, 2, 0],
+	  'unionWith': [1, 2, 0],
 	  'updateWith': [3, 1, 2, 0],
+	  'xorBy': [1, 2, 0],
+	  'xorWith': [1, 2, 0],
 	  'zipWith': [1, 2, 0]
 	};
 
 	/** Used to map method names to spread configs. */
 	exports.methodSpread = {
-	  'invokeArgs': 2,
-	  'invokeArgsMap': 2,
-	  'partial': 1,
-	  'partialRight': 1,
-	  'without': 1
+	  'assignAll': { 'start': 0 },
+	  'assignAllWith': { 'afterRearg': true, 'start': 1 },
+	  'assignInAll': { 'start': 0 },
+	  'assignInAllWith': { 'afterRearg': true, 'start': 1 },
+	  'defaultsAll': { 'start': 0 },
+	  'defaultsDeepAll': { 'start': 0 },
+	  'invokeArgs': { 'start': 2 },
+	  'invokeArgsMap': { 'start': 2 },
+	  'mergeAll': { 'start': 0 },
+	  'mergeAllWith': { 'afterRearg': true, 'start': 1 },
+	  'partial': { 'start': 1 },
+	  'partialRight': { 'start': 1 },
+	  'without': { 'start': 1 },
+	  'zipAll': { 'start': 0 }
 	};
 
 	/** Used to identify methods which mutate arrays or objects. */
@@ -243,13 +291,21 @@ return /******/ (function(modules) { // webpackBootstrap
 	  },
 	  'object': {
 	    'assign': true,
+	    'assignAll': true,
+	    'assignAllWith': true,
 	    'assignIn': true,
+	    'assignInAll': true,
+	    'assignInAllWith': true,
 	    'assignInWith': true,
 	    'assignWith': true,
 	    'defaults': true,
+	    'defaultsAll': true,
 	    'defaultsDeep': true,
+	    'defaultsDeepAll': true,
 	    'merge': true,
-	    'mergeWith': true
+	    'mergeAll': true,
+	    'mergeAllWith': true,
+	    'mergeWith': true,
 	  },
 	  'set': {
 	    'set': true,
@@ -289,19 +345,38 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	/** Used to map method names to other names. */
 	exports.remap = {
+	  'assignAll': 'assign',
+	  'assignAllWith': 'assignWith',
+	  'assignInAll': 'assignIn',
+	  'assignInAllWith': 'assignInWith',
 	  'curryN': 'curry',
 	  'curryRightN': 'curryRight',
+	  'defaultsAll': 'defaults',
+	  'defaultsDeepAll': 'defaultsDeep',
+	  'findFrom': 'find',
+	  'findIndexFrom': 'findIndex',
+	  'findLastFrom': 'findLast',
+	  'findLastIndexFrom': 'findLastIndex',
 	  'getOr': 'get',
+	  'includesFrom': 'includes',
+	  'indexOfFrom': 'indexOf',
 	  'invokeArgs': 'invoke',
 	  'invokeArgsMap': 'invokeMap',
+	  'lastIndexOfFrom': 'lastIndexOf',
+	  'mergeAll': 'merge',
+	  'mergeAllWith': 'mergeWith',
 	  'padChars': 'pad',
 	  'padCharsEnd': 'padEnd',
 	  'padCharsStart': 'padStart',
+	  'propertyOf': 'get',
+	  'rangeStep': 'range',
+	  'rangeStepRight': 'rangeRight',
 	  'restFrom': 'rest',
 	  'spreadFrom': 'spread',
 	  'trimChars': 'trim',
 	  'trimCharsEnd': 'trimEnd',
-	  'trimCharsStart': 'trimStart'
+	  'trimCharsStart': 'trimStart',
+	  'zipAll': 'zip'
 	};
 
 	/** Used to track methods that skip fixing their arity. */
@@ -311,6 +386,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'flowRight': true,
 	  'iteratee': true,
 	  'mixin': true,
+	  'rearg': true,
 	  'runInContext': true
 	};
 
@@ -336,13 +412,14 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'overArgs': true,
 	  'partial': true,
 	  'partialRight': true,
+	  'propertyOf': true,
 	  'random': true,
 	  'range': true,
 	  'rangeRight': true,
 	  'subtract': true,
-	  'without': true,
 	  'zip': true,
-	  'zipObject': true
+	  'zipObject': true,
+	  'zipObjectDeep': true
 	};
 
 

fp/_baseConvert.js

@@ -71,11 +71,11 @@ function createCloner(func) {
  * @param {Function} cloner The function to clone arguments.
  * @returns {Function} Returns the new immutable function.
  */
-function immutWrap(func, cloner) {
+function wrapImmutable(func, cloner) {
   return function() {
     var length = arguments.length;
     if (!length) {
-      return result;
+      return;
     }
     var args = Array(length);
     while (length--) {
@@ -143,6 +143,7 @@ function baseConvert(util, name, func, options) {
     'keys': util.keys,
     'rearg': util.rearg,
     'spread': util.spread,
+    'toInteger': util.toInteger,
     'toPath': util.toPath
   };
 
@@ -156,6 +157,7 @@ function baseConvert(util, name, func, options) {
       keys = helpers.keys,
       rearg = helpers.rearg,
       spread = helpers.spread,
+      toInteger = helpers.toInteger,
       toPath = helpers.toPath;
 
   var aryMethodKeys = keys(mapping.aryMethod);
@@ -189,30 +191,38 @@ function baseConvert(util, name, func, options) {
         if (!isFunction(func)) {
           return mixin(func, Object(source));
         }
-        var methods = [],
-            methodNames = [];
-
+        var pairs = [];
         each(keys(source), function(key) {
-          var value = source[key];
-          if (isFunction(value)) {
-            methodNames.push(key);
-            methods.push(func.prototype[key]);
+          if (isFunction(source[key])) {
+            pairs.push([key, func.prototype[key]]);
           }
         });
 
         mixin(func, Object(source));
 
-        each(methodNames, function(methodName, index) {
-          var method = methods[index];
-          if (isFunction(method)) {
-            func.prototype[methodName] = method;
+        each(pairs, function(pair) {
+          var value = pair[1];
+          if (isFunction(value)) {
+            func.prototype[pair[0]] = value;
           } else {
-            delete func.prototype[methodName];
+            delete func.prototype[pair[0]];
           }
         });
         return func;
       };
     },
+    'nthArg': function(nthArg) {
+      return function(n) {
+        var arity = n < 0 ? 1 : (toInteger(n) + 1);
+        return curry(nthArg(n), arity);
+      };
+    },
+    'rearg': function(rearg) {
+      return function(func, indexes) {
+        var arity = indexes ? indexes.length : 0;
+        return curry(rearg(func, indexes), arity);
+      };
+    },
     'runInContext': function(runInContext) {
       return function(context) {
         return baseConvert(util, runInContext(context), options);
@@ -222,6 +232,77 @@ function baseConvert(util, name, func, options) {
 
   /*--------------------------------------------------------------------------*/
 
+  /**
+   * Casts `func` to a function with an arity capped iteratee if needed.
+   *
+   * @private
+   * @param {string} name The name of the function to inspect.
+   * @param {Function} func The function to inspect.
+   * @returns {Function} Returns the cast function.
+   */
+  function castCap(name, func) {
+    if (config.cap) {
+      var indexes = mapping.iterateeRearg[name];
+      if (indexes) {
+        return iterateeRearg(func, indexes);
+      }
+      var n = !isLib && mapping.iterateeAry[name];
+      if (n) {
+        return iterateeAry(func, n);
+      }
+    }
+    return func;
+  }
+
+  /**
+   * Casts `func` to a curried function if needed.
+   *
+   * @private
+   * @param {string} name The name of the function to inspect.
+   * @param {Function} func The function to inspect.
+   * @param {number} n The arity of `func`.
+   * @returns {Function} Returns the cast function.
+   */
+  function castCurry(name, func, n) {
+    return (forceCurry || (config.curry && n > 1))
+      ? curry(func, n)
+      : func;
+  }
+
+  /**
+   * Casts `func` to a fixed arity function if needed.
+   *
+   * @private
+   * @param {string} name The name of the function to inspect.
+   * @param {Function} func The function to inspect.
+   * @param {number} n The arity cap.
+   * @returns {Function} Returns the cast function.
+   */
+  function castFixed(name, func, n) {
+    if (config.fixed && (forceFixed || !mapping.skipFixed[name])) {
+      var data = mapping.methodSpread[name],
+          start = data && data.start;
+
+      return start  === undefined ? ary(func, n) : spread(func, start);
+    }
+    return func;
+  }
+
+  /**
+   * Casts `func` to an rearged function if needed.
+   *
+   * @private
+   * @param {string} name The name of the function to inspect.
+   * @param {Function} func The function to inspect.
+   * @param {number} n The arity of `func`.
+   * @returns {Function} Returns the cast function.
+   */
+  function castRearg(name, func, n) {
+    return (config.rearg && n > 1 && (forceRearg || !mapping.skipRearg[name]))
+      ? rearg(func, mapping.methodRearg[name] || mapping.aryRearg[n])
+      : func;
+  }
+
   /**
    * Creates a clone of `object` by `path`.
    *
@@ -235,6 +316,7 @@ function baseConvert(util, name, func, options) {
 
     var index = -1,
         length = path.length,
+        lastIndex = length - 1,
         result = clone(Object(object)),
         nested = result;
 
@@ -243,7 +325,7 @@ function baseConvert(util, name, func, options) {
           value = nested[key];
 
       if (value != null) {
-        nested[key] = clone(Object(value));
+        nested[path[index]] = clone(index == lastIndex ? value : Object(value));
       }
       nested = nested[key];
     }
@@ -313,12 +395,11 @@ function baseConvert(util, name, func, options) {
   }
 
   /**
-   * Creates a function that invokes `func` with its first argument passed
-   * thru `transform`.
+   * Creates a function that invokes `func` with its first argument transformed.
    *
    * @private
    * @param {Function} func The function to wrap.
-   * @param {...Function} transform The functions to transform the first argument.
+   * @param {Function} transform The argument transform.
    * @returns {Function} Returns the new function.
    */
   function overArg(func, transform) {
@@ -358,42 +439,27 @@ function baseConvert(util, name, func, options) {
     }
     else if (config.immutable) {
       if (mutateMap.array[name]) {
-        wrapped = immutWrap(func, cloneArray);
+        wrapped = wrapImmutable(func, cloneArray);
       }
       else if (mutateMap.object[name]) {
-        wrapped = immutWrap(func, createCloner(func));
+        wrapped = wrapImmutable(func, createCloner(func));
       }
       else if (mutateMap.set[name]) {
-        wrapped = immutWrap(func, cloneByPath);
+        wrapped = wrapImmutable(func, cloneByPath);
       }
     }
     each(aryMethodKeys, function(aryKey) {
       each(mapping.aryMethod[aryKey], function(otherName) {
         if (name == otherName) {
-          var aryN = !isLib && mapping.iterateeAry[name],
-              reargIndexes = mapping.iterateeRearg[name],
-              spreadStart = mapping.methodSpread[name];
+          var spreadData = mapping.methodSpread[name],
+              afterRearg = spreadData && spreadData.afterRearg;
 
-          result = wrapped;
-          if (config.fixed && (forceFixed || !mapping.skipFixed[name])) {
-            result = spreadStart === undefined
-              ? ary(result, aryKey)
-              : spread(result, spreadStart);
-          }
-          if (config.rearg && aryKey > 1 && (forceRearg || !mapping.skipRearg[name])) {
-            result = rearg(result, mapping.methodRearg[name] || mapping.aryRearg[aryKey]);
-          }
-          if (config.cap) {
-            if (reargIndexes) {
-              result = iterateeRearg(result, reargIndexes);
-            } else if (aryN) {
-              result = iterateeAry(result, aryN);
-            }
-          }
-          if (forceCurry || (config.curry && aryKey > 1)) {
-            forceCurry  && console.log(forceCurry, name);
-            result = curry(result, aryKey);
-          }
+          result = afterRearg
+            ? castFixed(name, castRearg(name, wrapped, aryKey), aryKey)
+            : castRearg(name, castFixed(name, wrapped, aryKey), aryKey);
+
+          result = castCap(name, result);
+          result = castCurry(name, result, aryKey);
           return false;
         }
       });

fp/_mapping.js

@@ -7,11 +7,20 @@ exports.aliasToReal = {
   'entries': 'toPairs',
   'entriesIn': 'toPairsIn',
   'extend': 'assignIn',
+  'extendAll': 'assignInAll',
+  'extendAllWith': 'assignInAllWith',
   'extendWith': 'assignInWith',
   'first': 'head',
 
+  // Methods that are curried variants of others.
+  'conforms': 'conformsTo',
+  'matches': 'isMatch',
+  'property': 'get',
+
   // Ramda aliases.
   '__': 'placeholder',
+  'F': 'stubFalse',
+  'T': 'stubTrue',
   'all': 'every',
   'allPass': 'overEvery',
   'always': 'constant',
@@ -25,8 +34,11 @@ exports.aliasToReal = {
   'contains': 'includes',
   'dissoc': 'unset',
   'dissocPath': 'unset',
+  'dropLast': 'dropRight',
+  'dropLastWhile': 'dropRightWhile',
   'equals': 'isEqual',
   'identical': 'eq',
+  'indexBy': 'keyBy',
   'init': 'initial',
   'invertObj': 'invert',
   'juxt': 'over',
@@ -43,36 +55,44 @@ exports.aliasToReal = {
   'propEq': 'matchesProperty',
   'propOr': 'getOr',
   'props': 'at',
+  'symmetricDifference': 'xor',
+  'symmetricDifferenceBy': 'xorBy',
+  'symmetricDifferenceWith': 'xorWith',
+  'takeLast': 'takeRight',
+  'takeLastWhile': 'takeRightWhile',
   'unapply': 'rest',
   'unnest': 'flatten',
   'useWith': 'overArgs',
-  'whereEq': 'filter',
+  'where': 'conformsTo',
+  'whereEq': 'isMatch',
   'zipObj': 'zipObject'
 };
 
 /** Used to map ary to method names. */
 exports.aryMethod = {
   '1': [
-    'attempt', 'castArray', 'ceil', 'create', 'curry', 'curryRight', 'floor',
-    'flow', 'flowRight', 'fromPairs', 'invert', 'iteratee', 'memoize', 'method',
-    'methodOf', 'mixin', 'over', 'overEvery', 'overSome', 'rest', 'reverse',
+    'assignAll', 'assignInAll', 'attempt', 'castArray', 'ceil', 'create',
+    'curry', 'curryRight', 'defaultsAll', 'defaultsDeepAll', 'floor', 'flow',
+    'flowRight', 'fromPairs', 'invert', 'iteratee', 'memoize', 'method', 'mergeAll',
+    'methodOf', 'mixin', 'nthArg', 'over', 'overEvery', 'overSome','rest', 'reverse',
     'round', 'runInContext', 'spread', 'template', 'trim', 'trimEnd', 'trimStart',
-    'uniqueId', 'words'
+    'uniqueId', 'words', 'zipAll'
   ],
   '2': [
-    'add', 'after', 'ary', 'assign', 'assignIn', 'at', 'before', 'bind', 'bindAll',
-    'bindKey', 'chunk', 'cloneDeepWith', 'cloneWith', 'concat', 'countBy', 'curryN',
-    'curryRightN', 'debounce', 'defaults', 'defaultsDeep', 'delay', 'difference',
-    'divide', 'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith',
-    'eq', 'every', 'filter', 'find', 'find', 'findIndex', 'findKey', 'findLast',
-    'findLastIndex', 'findLastKey', 'flatMap', 'flatMapDeep', 'flattenDepth',
-    'forEach', 'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight',
-    'get', 'groupBy', 'gt', 'gte', 'has', 'hasIn', 'includes', 'indexOf',
-    'intersection', 'invertBy', 'invoke', 'invokeMap', 'isEqual', 'isMatch',
-    'join', 'keyBy', 'lastIndexOf', 'lt', 'lte', 'map', 'mapKeys', 'mapValues',
-    'matchesProperty', 'maxBy', 'meanBy', 'merge', 'minBy', 'multiply', 'nth',
-    'omit', 'omitBy', 'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt',
-    'partial', 'partialRight', 'partition', 'pick', 'pickBy', 'pull', 'pullAll',
+    'add', 'after', 'ary', 'assign', 'assignAllWith', 'assignIn', 'assignInAllWith',
+    'at', 'before', 'bind', 'bindAll', 'bindKey', 'chunk', 'cloneDeepWith',
+    'cloneWith', 'concat', 'conformsTo', 'countBy', 'curryN', 'curryRightN',
+    'debounce', 'defaults', 'defaultsDeep', 'defaultTo', 'delay', 'difference',
+    'divide', 'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith', 'eq',
+    'every', 'filter', 'find', 'findIndex', 'findKey', 'findLast', 'findLastIndex',
+    'findLastKey', 'flatMap', 'flatMapDeep', 'flattenDepth', 'forEach',
+    'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight', 'get',
+    'groupBy', 'gt', 'gte', 'has', 'hasIn', 'includes', 'indexOf', 'intersection',
+    'invertBy', 'invoke', 'invokeMap', 'isEqual', 'isMatch', 'join', 'keyBy',
+    'lastIndexOf', 'lt', 'lte', 'map', 'mapKeys', 'mapValues', 'matchesProperty',
+    'maxBy', 'meanBy', 'merge', 'mergeAllWith', 'minBy', 'multiply', 'nth', 'omit',
+    'omitBy', 'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt', 'partial',
+    'partialRight', 'partition', 'pick', 'pickBy', 'propertyOf', 'pull', 'pullAll',
     'pullAt', 'random', 'range', 'rangeRight', 'rearg', 'reject', 'remove',
     'repeat', 'restFrom', 'result', 'sampleSize', 'some', 'sortBy', 'sortedIndex',
     'sortedIndexOf', 'sortedLastIndex', 'sortedLastIndexOf', 'sortedUniqBy',
@@ -84,12 +104,14 @@ exports.aryMethod = {
   ],
   '3': [
     'assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith',
-    'getOr', 'inRange', 'intersectionBy', 'intersectionWith', 'invokeArgs',
-    'invokeArgsMap', 'isEqualWith', 'isMatchWith', 'flatMapDepth', 'mergeWith',
-    'orderBy', 'padChars', 'padCharsEnd', 'padCharsStart', 'pullAllBy',
-    'pullAllWith', 'reduce', 'reduceRight', 'replace', 'set', 'slice',
-    'sortedIndexBy', 'sortedLastIndexBy', 'transform', 'unionBy', 'unionWith',
-    'update', 'xorBy', 'xorWith', 'zipWith'
+    'findFrom', 'findIndexFrom', 'findLastFrom', 'findLastIndexFrom', 'getOr',
+    'includesFrom', 'indexOfFrom', 'inRange', 'intersectionBy', 'intersectionWith',
+    'invokeArgs', 'invokeArgsMap', 'isEqualWith', 'isMatchWith', 'flatMapDepth',
+    'lastIndexOfFrom', 'mergeWith', 'orderBy', 'padChars', 'padCharsEnd',
+    'padCharsStart', 'pullAllBy', 'pullAllWith', 'rangeStep', 'rangeStepRight',
+    'reduce', 'reduceRight', 'replace', 'set', 'slice', 'sortedIndexBy',
+    'sortedLastIndexBy', 'transform', 'unionBy', 'unionWith', 'update', 'xorBy',
+    'xorWith', 'zipWith'
   ],
   '4': [
     'fill', 'setWith', 'updateWith'
@@ -110,10 +132,14 @@ exports.iterateeAry = {
   'every': 1,
   'filter': 1,
   'find': 1,
+  'findFrom': 1,
   'findIndex': 1,
+  'findIndexFrom': 1,
   'findKey': 1,
   'findLast': 1,
+  'findLastFrom': 1,
   'findLastIndex': 1,
+  'findLastIndexFrom': 1,
   'findLastKey': 1,
   'flatMap': 1,
   'flatMapDeep': 1,
@@ -146,31 +172,53 @@ exports.iterateeRearg = {
 
 /** Used to map method names to rearg configs. */
 exports.methodRearg = {
+  'assignInAllWith': [1, 2, 0],
   'assignInWith': [1, 2, 0],
+  'assignAllWith': [1, 2, 0],
   'assignWith': [1, 2, 0],
+  'differenceBy': [1, 2, 0],
+  'differenceWith': [1, 2, 0],
   'getOr': [2, 1, 0],
+  'intersectionBy': [1, 2, 0],
+  'intersectionWith': [1, 2, 0],
   'isEqualWith': [1, 2, 0],
   'isMatchWith': [2, 1, 0],
+  'mergeAllWith': [1, 2, 0],
   'mergeWith': [1, 2, 0],
   'padChars': [2, 1, 0],
   'padCharsEnd': [2, 1, 0],
   'padCharsStart': [2, 1, 0],
   'pullAllBy': [2, 1, 0],
   'pullAllWith': [2, 1, 0],
+  'rangeStep': [1, 2, 0],
+  'rangeStepRight': [1, 2, 0],
   'setWith': [3, 1, 2, 0],
   'sortedIndexBy': [2, 1, 0],
   'sortedLastIndexBy': [2, 1, 0],
+  'unionBy': [1, 2, 0],
+  'unionWith': [1, 2, 0],
   'updateWith': [3, 1, 2, 0],
+  'xorBy': [1, 2, 0],
+  'xorWith': [1, 2, 0],
   'zipWith': [1, 2, 0]
 };
 
 /** Used to map method names to spread configs. */
 exports.methodSpread = {
-  'invokeArgs': 2,
-  'invokeArgsMap': 2,
-  'partial': 1,
-  'partialRight': 1,
-  'without': 1
+  'assignAll': { 'start': 0 },
+  'assignAllWith': { 'afterRearg': true, 'start': 1 },
+  'assignInAll': { 'start': 0 },
+  'assignInAllWith': { 'afterRearg': true, 'start': 1 },
+  'defaultsAll': { 'start': 0 },
+  'defaultsDeepAll': { 'start': 0 },
+  'invokeArgs': { 'start': 2 },
+  'invokeArgsMap': { 'start': 2 },
+  'mergeAll': { 'start': 0 },
+  'mergeAllWith': { 'afterRearg': true, 'start': 1 },
+  'partial': { 'start': 1 },
+  'partialRight': { 'start': 1 },
+  'without': { 'start': 1 },
+  'zipAll': { 'start': 0 }
 };
 
 /** Used to identify methods which mutate arrays or objects. */
@@ -187,13 +235,21 @@ exports.mutate = {
   },
   'object': {
     'assign': true,
+    'assignAll': true,
+    'assignAllWith': true,
     'assignIn': true,
+    'assignInAll': true,
+    'assignInAllWith': true,
     'assignInWith': true,
     'assignWith': true,
     'defaults': true,
+    'defaultsAll': true,
     'defaultsDeep': true,
+    'defaultsDeepAll': true,
     'merge': true,
-    'mergeWith': true
+    'mergeAll': true,
+    'mergeAllWith': true,
+    'mergeWith': true,
   },
   'set': {
     'set': true,
@@ -233,19 +289,38 @@ exports.realToAlias = (function() {
 
 /** Used to map method names to other names. */
 exports.remap = {
+  'assignAll': 'assign',
+  'assignAllWith': 'assignWith',
+  'assignInAll': 'assignIn',
+  'assignInAllWith': 'assignInWith',
   'curryN': 'curry',
   'curryRightN': 'curryRight',
+  'defaultsAll': 'defaults',
+  'defaultsDeepAll': 'defaultsDeep',
+  'findFrom': 'find',
+  'findIndexFrom': 'findIndex',
+  'findLastFrom': 'findLast',
+  'findLastIndexFrom': 'findLastIndex',
   'getOr': 'get',
+  'includesFrom': 'includes',
+  'indexOfFrom': 'indexOf',
   'invokeArgs': 'invoke',
   'invokeArgsMap': 'invokeMap',
+  'lastIndexOfFrom': 'lastIndexOf',
+  'mergeAll': 'merge',
+  'mergeAllWith': 'mergeWith',
   'padChars': 'pad',
   'padCharsEnd': 'padEnd',
   'padCharsStart': 'padStart',
+  'propertyOf': 'get',
+  'rangeStep': 'range',
+  'rangeStepRight': 'rangeRight',
   'restFrom': 'rest',
   'spreadFrom': 'spread',
   'trimChars': 'trim',
   'trimCharsEnd': 'trimEnd',
-  'trimCharsStart': 'trimStart'
+  'trimCharsStart': 'trimStart',
+  'zipAll': 'zip'
 };
 
 /** Used to track methods that skip fixing their arity. */
@@ -255,6 +330,7 @@ exports.skipFixed = {
   'flowRight': true,
   'iteratee': true,
   'mixin': true,
+  'rearg': true,
   'runInContext': true
 };
 
@@ -280,11 +356,12 @@ exports.skipRearg = {
   'overArgs': true,
   'partial': true,
   'partialRight': true,
+  'propertyOf': true,
   'random': true,
   'range': true,
   'rangeRight': true,
   'subtract': true,
-  'without': true,
   'zip': true,
-  'zipObject': true
+  'zipObject': true,
+  'zipObjectDeep': true
 };

lib/common/file.js

@@ -1,11 +1,11 @@
 'use strict';
 
-var _ = require('lodash'),
-    fs = require('fs-extra'),
-    glob = require('glob'),
-    path = require('path');
+const _ = require('lodash');
+const fs = require('fs-extra');
+const glob = require('glob');
+const path = require('path');
 
-var minify = require('../common/minify.js');
+const minify = require('../common/minify.js');
 
 /*----------------------------------------------------------------------------*/
 
@@ -23,15 +23,15 @@ function copy(srcPath, destPath) {
 }
 
 /**
- * Creates an object of compiled template and base name pairs that match `pattern`.
+ * Creates an object of base name and compiled template pairs that match `pattern`.
  *
  * @memberOf file
  * @param {string} pattern The glob pattern to be match.
  * @returns {Object} Returns the object of compiled templates.
  */
 function globTemplate(pattern) {
-  return _.transform(glob.sync(pattern), function(result, filePath) {
-    var key = path.basename(filePath, path.extname(filePath));
+  return _.transform(glob.sync(pattern), (result, filePath) => {
+    const key = path.basename(filePath, path.extname(filePath));
     result[key] = _.template(fs.readFileSync(filePath, 'utf8'));
   }, {});
 }
@@ -64,8 +64,8 @@ function write(destPath, data) {
 /*----------------------------------------------------------------------------*/
 
 module.exports = {
-  'copy': copy,
-  'globTemplate': globTemplate,
-  'min': min,
-  'write': write
+  copy,
+  globTemplate,
+  min,
+  write
 };

lib/common/mapping.js

@@ -1,8 +1,8 @@
 'use strict';
 
-var _mapping = require('../../fp/_mapping'),
-    util = require('./util'),
-    Hash = util.Hash;
+const _mapping = require('../../fp/_mapping');
+const util = require('./util');
+const Hash = util.Hash;
 
 /*----------------------------------------------------------------------------*/
 

lib/common/minify.js

@@ -1,10 +1,10 @@
 'use strict';
 
-var _ = require('lodash'),
-    fs = require('fs-extra'),
-    uglify = require('uglify-js');
+const _ = require('lodash');
+const fs = require('fs-extra');
+const uglify = require('uglify-js');
 
-var uglifyOptions = require('./uglify.options');
+const uglifyOptions = require('./uglify.options');
 
 /*----------------------------------------------------------------------------*/
 
@@ -13,8 +13,8 @@ var uglifyOptions = require('./uglify.options');
  * invokes `callback` upon completion. The callback is invoked with one argument:
  * (error).
  *
- * If unspecified, `destPath` is `srcPath` with an extension of `.min.js`. For
- * example, a `srcPath` of `path/to/foo.js` would have a `destPath` of `path/to/foo.min.js`.
+ * If unspecified, `destPath` is `srcPath` with an extension of `.min.js`.
+ * (e.g. the `destPath` of `path/to/foo.js` would be `path/to/foo.min.js`)
  *
  * @param {string} srcPath The path of the file to minify.
  * @param {string} [destPath] The path to write the file to.
@@ -32,7 +32,7 @@ function minify(srcPath, destPath, callback, options) {
   if (!destPath) {
     destPath = srcPath.replace(/(?=\.js$)/, '.min');
   }
-  var output = uglify.minify(srcPath, _.defaults(options || {}, uglifyOptions));
+  const output = uglify.minify(srcPath, _.defaults(options || {}, uglifyOptions));
   fs.writeFile(destPath, output.code, 'utf-8', callback);
 }
 

lib/common/uglify.options.js

@@ -8,16 +8,15 @@
  */
 module.exports = {
   'compress': {
+    'collapse_vars': true,
+    'negate_iife': false,
     'pure_getters': true,
     'unsafe': true,
     'warnings': false
   },
-  'mangle': {
-    'except': ['define']
-  },
   'output': {
     'ascii_only': true,
-    'comments': /^!|@cc_on|@license|@preserve/i,
+    'comments': /@license/,
     'max_line_len': 500
   }
 };

lib/common/util.js

@@ -1,19 +1,19 @@
 'use strict';
 
-var _ = require('lodash');
+const _ = require('lodash');
 
 /*----------------------------------------------------------------------------*/
 
 /**
  * Creates a hash object. If a `properties` object is provided, its own
- * enumerable properties are assigned to the created object.
+ * enumerable properties are assigned to the created hash.
  *
  * @memberOf util
- * @param {Object} [properties] The properties to assign to the object.
+ * @param {Object} [properties] The properties to assign to the hash.
  * @returns {Object} Returns the new hash object.
  */
 function Hash(properties) {
-  return _.transform(properties, function(result, value, key) {
+  return _.transform(properties, (result, value, key) => {
     result[key] = (_.isPlainObject(value) && !(value instanceof Hash))
       ? new Hash(value)
       : value;
@@ -22,6 +22,19 @@ function Hash(properties) {
 
 Hash.prototype = Object.create(null);
 
+/**
+ * This method throws any error it receives.
+ *
+ * @memberOf util
+ * @param {Object} [error] The error object.
+ */
+function pitch(error) {
+  if (error != null) {
+    throw error;
+  }
+}
+
 module.exports = {
-  'Hash': Hash
+  Hash,
+  pitch
 };

lib/fp/build-dist.js

@@ -1,18 +1,19 @@
 'use strict';
 
-var _ = require('lodash'),
-    async = require('async'),
-    path = require('path'),
-    webpack = require('webpack');
+const _ = require('lodash');
+const async = require('async');
+const path = require('path');
+const webpack = require('webpack');
 
-var file = require('../common/file');
+const file = require('../common/file');
+const util = require('../common/util');
 
-var basePath = path.join(__dirname, '..', '..'),
-    distPath = path.join(basePath, 'dist'),
-    fpPath = path.join(basePath, 'fp'),
-    filename = 'lodash.fp.js';
+const basePath = path.join(__dirname, '..', '..');
+const distPath = path.join(basePath, 'dist');
+const fpPath = path.join(basePath, 'fp');
+const filename = 'lodash.fp.js';
 
-var fpConfig = {
+const fpConfig = {
   'entry': path.join(fpPath, '_convertBrowser.js'),
   'output': {
     'path': distPath,
@@ -26,7 +27,7 @@ var fpConfig = {
   ]
 };
 
-var mappingConfig = {
+const mappingConfig = {
   'entry': path.join(fpPath, '_mapping.js'),
   'output': {
     'path': distPath,
@@ -38,18 +39,18 @@ var mappingConfig = {
 
 /*----------------------------------------------------------------------------*/
 
-function onComplete(error) {
-  if (error) {
-    throw error;
-  }
-}
-
+/**
+ * Creates browser builds of the FP converter and mappings at the `target` path.
+ *
+ * @private
+ * @param {string} target The output directory path.
+ */
 function build() {
   async.series([
     _.partial(webpack, mappingConfig),
     _.partial(webpack, fpConfig),
     file.min(path.join(distPath, filename))
-  ], onComplete);
+  ], util.pitch);
 }
 
 build();

lib/fp/build-doc.js

@@ -1,44 +1,57 @@
 'use strict';
 
-var _ = require('lodash'),
-    fs = require('fs-extra'),
-    path = require('path');
+const _ = require('lodash');
+const fs = require('fs-extra');
+const path = require('path');
 
-var file = require('../common/file'),
-    mapping = require('../common/mapping');
+const file = require('../common/file');
+const mapping = require('../common/mapping');
+const util = require('../common/util');
 
-var templatePath = path.join(__dirname, 'template/doc'),
-    template = file.globTemplate(path.join(templatePath, '*.jst'));
+const templatePath = path.join(__dirname, 'template/doc');
+const template = file.globTemplate(path.join(templatePath, '*.jst'));
 
-var argNames = ['a', 'b', 'c', 'd'];
+const argNames = ['a', 'b', 'c', 'd'];
 
-var templateData = {
-  'mapping': mapping,
-  'toArgOrder': toArgOrder,
-  'toFuncList': toFuncList
+const templateData = {
+  mapping,
+  toArgOrder,
+  toFuncList
 };
 
-function toArgOrder(array) {
-  var reordered = [];
-  _.each(array, function(newIndex, index) {
+/**
+ * Converts arranged argument `indexes` into a named argument string
+ * representation of their order.
+ *
+ * @private
+ * @param {number[]} indexes The arranged argument indexes.
+ * @returns {string} Returns the named argument string.
+ */
+function toArgOrder(indexes) {
+  const reordered = [];
+  _.each(indexes, (newIndex, index) => {
     reordered[newIndex] = argNames[index];
   });
   return '`(' + reordered.join(', ') + ')`';
 }
 
-function toFuncList(array) {
-  var chunks = _.chunk(array.slice().sort(), 5),
-      lastChunk = _.last(chunks),
-      last = lastChunk ? lastChunk.pop() : undefined;
+/**
+ * Converts `funcNames` into a chunked list string representation.
+ *
+ * @private
+ * @param {string[]} funcNames The function names.
+ * @returns {string} Returns the function list string.
+ */
+function toFuncList(funcNames) {
+  let chunks = _.chunk(funcNames.slice().sort(), 5);
+  let lastChunk = _.last(chunks);
+  const lastName = lastChunk ? lastChunk.pop() : undefined;
 
   chunks = _.reject(chunks, _.isEmpty);
   lastChunk = _.last(chunks);
 
-  var result = '`' + _.map(chunks, function(chunk) {
-    return chunk.join('`, `') + '`';
-  }).join(',\n`');
-
-  if (last == null) {
+  let result = '`' + _.map(chunks, chunk => chunk.join('`, `') + '`').join(',\n`');
+  if (lastName == null) {
     return result;
   }
   if (_.size(chunks) > 1 || _.size(lastChunk) > 1) {
@@ -46,20 +59,20 @@ function toFuncList(array) {
   }
   result += ' &';
   result += _.size(lastChunk) < 5 ? ' ' : '\n';
-  return result + '`' + last + '`';
+  return result + '`' + lastName + '`';
 }
 
 /*----------------------------------------------------------------------------*/
 
-function onComplete(error) {
-  if (error) {
-    throw error;
-  }
-}
-
+/**
+ * Creates the FP-Guide wiki at the `target` path.
+ *
+ * @private
+ * @param {string} target The output file path.
+ */
 function build(target) {
   target = path.resolve(target);
-  fs.writeFile(target, template.wiki(templateData), onComplete);
+  fs.writeFile(target, template.wiki(templateData), util.pitch);
 }
 
 build(_.last(process.argv));

lib/fp/build-modules.js

@@ -1,24 +1,25 @@
 'use strict';
 
-var _ = require('lodash'),
-    async = require('async'),
-    glob = require('glob'),
-    path = require('path');
+const _ = require('lodash');
+const async = require('async');
+const glob = require('glob');
+const path = require('path');
 
-var file = require('../common/file'),
-    mapping = require('../common/mapping');
+const file = require('../common/file');
+const mapping = require('../common/mapping');
+const util = require('../common/util');
 
-var templatePath = path.join(__dirname, 'template/modules'),
-    template = file.globTemplate(path.join(templatePath, '*.jst'));
+const templatePath = path.join(__dirname, 'template/modules');
+const template = file.globTemplate(path.join(templatePath, '*.jst'));
 
-var aryMethods = _.union(
+const aryMethods = _.union(
   mapping.aryMethod[1],
   mapping.aryMethod[2],
   mapping.aryMethod[3],
   mapping.aryMethod[4]
 );
 
-var categories = [
+const categories = [
   'array',
   'collection',
   'date',
@@ -32,7 +33,7 @@ var categories = [
   'util'
 ];
 
-var ignored = [
+const ignored = [
   '_*.js',
   'core.js',
   'core.min.js',
@@ -42,21 +43,50 @@ var ignored = [
   'lodash.min.js'
 ];
 
-function isAlias(funcName) {
-  return _.has(mapping.aliasToReal, funcName);
+/**
+ * Checks if `name` is a method alias.
+ *
+ * @private
+ * @param {string} name The name to check.
+ * @returns {boolean} Returns `true` if `name` is a method alias, else `false`.
+ */
+function isAlias(name) {
+  return _.has(mapping.aliasToReal, name);
 }
 
-function isCategory(funcName) {
-  return _.includes(categories, funcName);
+/**
+ * Checks if `name` is a category name.
+ *
+ * @private
+ * @param {string} name The name to check.
+ * @returns {boolean} Returns `true` if `name` is a category name, else `false`.
+ */
+function isCategory(name) {
+  return _.includes(categories, name);
 }
 
-function isThru(funcName) {
-  return !_.includes(aryMethods, funcName);
+/**
+ * Checks if `name` belongs to a method that's passed thru and not wrapped.
+ *
+ * @private
+ * @param {string} name The name to check.
+ * @returns {boolean} Returns `true` if `name` is of a pass thru method,
+ *  else `false`.
+ */
+function isThru(name) {
+  return !_.includes(aryMethods, name);
 }
 
+/**
+ * Gets metadata for `func`.
+ *
+ * @private
+ * @param {Function} func The function to query.
+ * @returns {*} Returns the metadata for `func`.
+ */
 function getTemplate(moduleName) {
-  var data = {
-    'name': _.result(mapping.aliasToReal, moduleName, moduleName),
+  const data = {
+    'name': _.get(mapping.aliasToReal, moduleName, moduleName),
     'mapping': mapping
   };
 
@@ -74,37 +104,37 @@ function getTemplate(moduleName) {
 
 /*----------------------------------------------------------------------------*/
 
-function onComplete(error) {
-  if (error) {
-    throw error;
-  }
-}
-
+/**
+ * Creates FP modules at the `target` path.
+ *
+ * @private
+ * @param {string} target The output directory path.
+ */
 function build(target) {
   target = path.resolve(target);
 
-  var fpPath = path.join(target, 'fp');
+  const fpPath = path.join(target, 'fp');
 
   // Glob existing lodash module paths.
-  var modulePaths = glob.sync(path.join(target, '*.js'), {
+  const modulePaths = glob.sync(path.join(target, '*.js'), {
     'nodir': true,
-    'ignore': ignored.map(function(filename) {
+    'ignore': ignored.map(filename => {
       return path.join(target, filename);
     })
   });
 
   // Add FP alias and remapped module paths.
-  _.each([mapping.aliasToReal, mapping.remap], function(data) {
-    _.forOwn(data, function(realName, alias) {
-      var modulePath = path.join(target, alias + '.js');
+  _.each([mapping.aliasToReal, mapping.remap], data => {
+    _.forOwn(data, (realName, alias) => {
+      const modulePath = path.join(target, alias + '.js');
       if (!_.includes(modulePaths, modulePath)) {
         modulePaths.push(modulePath);
       }
     });
   });
 
-  var actions = modulePaths.map(function(modulePath) {
-    var moduleName = path.basename(modulePath, '.js');
+  const actions = modulePaths.map(modulePath => {
+    const moduleName = path.basename(modulePath, '.js');
     return file.write(path.join(fpPath, moduleName + '.js'), getTemplate(moduleName));
   });
 
@@ -114,7 +144,7 @@ function build(target) {
   actions.push(file.write(path.join(target, 'fp.js'), template.fp()));
   actions.push(file.write(path.join(fpPath, 'convert.js'), template.convert()));
 
-  async.series(actions, onComplete);
+  async.series(actions, util.pitch);
 }
 
 build(_.last(process.argv));

lib/fp/template/doc/wiki.jst

@@ -1,26 +1,27 @@
 ## lodash/fp
 
-The `lodash/fp` module is an instance of `lodash` with its methods wrapped to
-produce immutable auto-curried iteratee-first data-last methods.
+The `lodash/fp` module promotes a more
+[functional programming](https://en.wikipedia.org/wiki/Functional_programming)
+(FP) friendly style by exporting an instance of `lodash` with its methods wrapped
+to produce immutable auto-curried iteratee-first data-last methods.
 
 ## Installation
 
 In a browser:
 ```html
-<script src='path/to/lodash.js'></script>
-<script src='path/to/lodash.fp.js'></script>
+<script src='https://cdn.jsdelivr.net/g/lodash@4(lodash.min.js+lodash.fp.min.js)'></script>
 <script>
 // Loading `lodash.fp.js` converts `_` to its fp variant.
 _.defaults({ 'a': 2, 'b': 2 })({ 'a': 1 });
-// → { 'a: 1, 'b': 2 }
+// ➜ { 'a': 1, 'b': 2 }
 
 // Use `noConflict` to restore the pre-fp variant.
 var fp = _.noConflict();
 
 _.defaults({ 'a': 1 }, { 'a': 2, 'b': 2 });
-// → { 'a: 1, 'b': 2 }
+// ➜ { 'a': 1, 'b': 2 }
 fp.defaults({ 'a': 2, 'b': 2 })({ 'a': 1 });
-// → { 'a: 1, 'b': 2 }
+// ➜ { 'a': 1, 'b': 2 }
 </script>
 ```
 
@@ -49,12 +50,12 @@ Iteratee arguments are capped to avoid gotchas with variadic iteratees.
 // The `lodash/map` iteratee receives three arguments:
 // (value, index|key, collection)
 _.map(['6', '8', '10'], parseInt);
-// → [6, NaN, 2]
+// ➜ [6, NaN, 2]
 
 // The `lodash/fp/map` iteratee is capped at one argument:
 // (value)
 fp.map(parseInt)(['6', '8', '10']);
-// → [6, 8, 10]
+// ➜ [6, 8, 10]
 ```
 
 Methods that cap iteratees to one argument:<br>
@@ -71,13 +72,13 @@ Methods have fixed arities to support auto-currying.
 ```js
 // `lodash/padStart` accepts an optional `chars` param.
 _.padStart('a', 3, '-')
-// → '--a'
+// ➜ '--a'
 
 // `lodash/fp/padStart` does not.
 fp.padStart(3)('a');
-// → '  a'
+// ➜ '  a'
 fp.padCharsStart('-')(3)('a');
-// → '--a'
+// ➜ '--a'
 ```
 
 Methods with a fixed arity of one:<br>
@@ -100,13 +101,13 @@ Method arguments are rearranged to make composition easier.
 // (collection, iteratee)
 var compact = _.partial(_.filter, _, Boolean);
 compact(['a', null, 'c']);
-// → ['a', 'c']
+// ➜ ['a', 'c']
 
 // `lodash/fp/filter` is iteratee-first data-last:
 // (iteratee, collection)
 var compact = fp.filter(Boolean);
 compact(['a', null, 'c']);
-// → ['a', 'c']
+// ➜ ['a', 'c']
 ```
 
 ##### Most methods follow these rules
@@ -122,15 +123,15 @@ A fixed arity of four has an argument order of:<br>
 
 ##### Exceptions to the rules
 
-Methods that accept an array of arguments as their second parameter:<br>
+Methods that accept an array of arguments:<br>
 <%= toFuncList(_.keys(mapping.methodSpread)) %>
 
 Methods with unchanged argument orders:<br>
 <%= toFuncList(_.keys(mapping.skipRearg)) %>
 
 Methods with custom argument orders:<br>
-<%= _.map(_.keys(mapping.methodRearg), function(methodName) {
-  var orders = mapping.methodRearg[methodName];
+<%= _.map(_.keys(mapping.methodRearg), methodName => {
+  const orders = mapping.methodRearg[methodName];
   return ' * `_.' + methodName + '` has an order of ' + toArgOrder(orders);
 }).join('\n') %>
 
@@ -146,8 +147,8 @@ Methods created to accommodate Lodash’s variadic methods:<br>
 #### Aliases
 
 There are <%= _.size(mapping.aliasToReal) %> method aliases:<br>
-<%= _.map(_.keys(mapping.aliasToReal).sort(), function(alias) {
-  var realName = mapping.aliasToReal[alias];
+<%= _.map(_.keys(mapping.aliasToReal).sort(), alias => {
+  const realName = mapping.aliasToReal[alias];
   return ' * `_.' + alias + '` is an alias of `_.' + realName + '`';
 }).join('\n') %>
 
@@ -159,11 +160,11 @@ arguments of the curried returned function.
 ```js
 // The equivalent of `2 > 5`.
 _.gt(2)(5);
-// → false
+// ➜ false
 
 // The equivalent of `_.gt(5, 2)` or `5 > 2`.
 _.gt(_, 2)(5);
-// → true
+// ➜ true
 ```
 
 ## Chaining
@@ -218,3 +219,8 @@ var fp = convert({
 // Convert by `lodash` instance.
 var fp = convert(lodash.runInContext());
 ```
+
+## Tooling
+
+Use [eslint-plugin-lodash-fp](https://www.npmjs.com/package/eslint-plugin-lodash-fp)
+to help use `lodash/fp` more efficiently.

lib/fp/template/modules/_util.jst

@@ -10,5 +10,6 @@ module.exports = {
   'keys': require('../_baseKeys'),
   'rearg': require('../rearg'),
   'spread': require('../spread'),
+  'toInteger': require('../toInteger'),
   'toPath': require('../toPath')
 };

lib/fp/template/modules/module.jst

@@ -1,5 +1,5 @@
 var convert = require('./convert'),
-    func = convert('<%= name %>', require('../<%= _.result(mapping.remap, name, name) %>'));
+    func = convert('<%= name %>', require('../<%= _.get(mapping.remap, name, name) %>'));
 
 func.placeholder = require('./placeholder');
 module.exports = func;

lib/fp/template/modules/thru.jst

@@ -1,5 +1,5 @@
 var convert = require('./convert'),
-    func = convert('<%= name %>', require('../<%= _.result(mapping.remap, name, name) %>'), require('./_falseOptions'));
+    func = convert('<%= name %>', require('../<%= _.get(mapping.remap, name, name) %>'), require('./_falseOptions'));
 
 func.placeholder = require('./placeholder');
 module.exports = func;

lib/main/build-dist.js

@@ -1,30 +1,31 @@
 'use strict';
 
-var async = require('async'),
-    path = require('path');
+const async = require('async');
+const path = require('path');
 
-var file = require('../common/file');
+const file = require('../common/file');
+const util = require('../common/util');
 
-var basePath = path.join(__dirname, '..', '..'),
-    distPath = path.join(basePath, 'dist'),
-    filename = 'lodash.js';
+const basePath = path.join(__dirname, '..', '..');
+const distPath = path.join(basePath, 'dist');
+const filename = 'lodash.js';
 
-var baseLodash = path.join(basePath, filename),
-    distLodash = path.join(distPath, filename);
+const baseLodash = path.join(basePath, filename);
+const distLodash = path.join(distPath, filename);
 
 /*----------------------------------------------------------------------------*/
 
-function onComplete(error) {
-  if (error) {
-    throw error;
-  }
-}
-
+/**
+ * Creates browser builds of Lodash at the `target` path.
+ *
+ * @private
+ * @param {string} target The output directory path.
+ */
 function build() {
   async.series([
     file.copy(baseLodash, distLodash),
     file.min(distLodash)
-  ], onComplete);
+  ], util.pitch);
 }
 
 build();

lib/main/build-doc.js

@@ -1,60 +1,83 @@
 'use strict';
 
-var _ = require('lodash'),
-    docdown = require('docdown'),
-    fs = require('fs-extra'),
-    path = require('path');
+const _ = require('lodash');
+const docdown = require('docdown');
+const fs = require('fs-extra');
+const path = require('path');
 
-var basePath = path.join(__dirname, '..', '..'),
-    docPath = path.join(basePath, 'doc'),
-    readmePath = path.join(docPath, 'README.md');
+const util = require('../common/util');
 
-var pkg = require('../../package.json'),
-    version = pkg.version;
+const basePath = path.join(__dirname, '..', '..');
+const docPath = path.join(basePath, 'doc');
+const readmePath = path.join(docPath, 'README.md');
 
-var config = {
+const pkg = require('../../package.json');
+const version = pkg.version;
+
+const config = {
   'base': {
-    'entryLinks': [
-      '<% if (name == "templateSettings" || !/^(?:methods|properties|seq)$/i.test(category)) {' +
-      'print("[&#x24C3;](https://www.npmjs.com/package/lodash." + name.toLowerCase() + " \\"See the npm package\\")")' +
-      '} %>'
-    ],
     'path': path.join(basePath, 'lodash.js'),
-    'title': '<a href="https://lodash.com/">lodash</a> <span>v' + version + '</span>',
+    'title': `<a href="https://lodash.com/">lodash</a> <span>v${ version }</span>`,
     'toc': 'categories',
-    'url': 'https://github.com/lodash/lodash/blob/' + version + '/lodash.js'
+    'url': `https://github.com/lodash/lodash/blob/${ version }/lodash.js`
   },
   'github': {
-    'hash': 'github'
+    'style': 'github',
+    'sublinks': [npmLink('&#x24C3;', 'See the npm package')]
   },
   'site': {
-    'tocLink': '#docs'
+    'entryLink': '<a href="${entryHref}" class="fa fa-link"></a>',
+    'sourceLink': '[source](${sourceHref})',
+    'tocHref': '',
+    'tocLink': '',
+    'sublinks': [npmLink('npm package')]
   }
 };
 
-function postprocess(string) {
-  // Fix docdown bugs.
-  return string
-    // Repair the default value of `chars`.
-    // See https://github.com/eslint/doctrine/issues/157 for more details.
-    .replace(/\bchars=''/g, "chars=' '")
-    // Wrap symbol property identifiers in brackets.
-    .replace(/\.(Symbol\.(?:[a-z]+[A-Z]?)+)/g, '[$1]');
+/**
+ * Composes a npm link from `text` and optional `title`.
+ *
+ * @private
+ * @param {string} text The link text.
+ * @param {string} [title] The link title.
+ * @returns {string} Returns the composed npm link.
+ */
+function npmLink(text, title) {
+  return (
+    '<% if (name == "templateSettings" || !/^(?:methods|properties|seq)$/i.test(category)) {' +
+      'print(' +
+        '"[' + text + '](https://www.npmjs.com/package/lodash." + name.toLowerCase() + ' +
+        '"' + (title == null ? '' : ' \\"' + title + '\\"') + ')"' +
+      ');' +
+    '} %>'
+  );
+}
+
+/**
+ * Post-process `markdown` to make adjustments.
+ *
+ * @private
+ * @param {string} markdown The markdown to process.
+ * @returns {string} Returns the processed markdown.
+ */
+function postprocess(markdown) {
+  // Wrap symbol property identifiers in brackets.
+  return markdown.replace(/\.(Symbol\.(?:[a-z]+[A-Z]?)+)/g, '[$1]');
 }
 
 /*----------------------------------------------------------------------------*/
 
-function onComplete(error) {
-  if (error) {
-    throw error;
-  }
-}
-
+/**
+ * Creates the documentation markdown formatted for 'github' or 'site'.
+ *
+ * @private
+ * @param {string} type The format type.
+ */
 function build(type) {
-  var options = _.defaults({}, config.base, config[type]),
-      markdown = docdown(options);
+  const options = _.defaults({}, config.base, config[type]);
+  const markdown = docdown(options);
 
-  fs.writeFile(readmePath, postprocess(markdown), onComplete);
+  fs.writeFile(readmePath, postprocess(markdown), util.pitch);
 }
 
 build(_.last(process.argv));

lib/main/build-modules.js

@@ -1,15 +1,16 @@
 'use strict';
 
-var _ = require('lodash'),
-    async = require('async'),
-    path = require('path');
+const _ = require('lodash');
+const async = require('async');
+const path = require('path');
 
-var file = require('../common/file');
+const file = require('../common/file');
+const util = require('../common/util');
 
-var basePath = path.join(__dirname, '..', '..'),
-    distPath = path.join(basePath, 'dist');
+const basePath = path.join(__dirname, '..', '..');
+const distPath = path.join(basePath, 'dist');
 
-var filePairs = [
+const filePairs = [
   [path.join(distPath, 'lodash.core.js'), 'core.js'],
   [path.join(distPath, 'lodash.core.min.js'), 'core.min.js'],
   [path.join(distPath, 'lodash.min.js'), 'lodash.min.js']
@@ -17,18 +18,17 @@ var filePairs = [
 
 /*----------------------------------------------------------------------------*/
 
-function onComplete(error) {
-  if (error) {
-    throw error;
-  }
-}
-
+/**
+ * Creates supplementary Lodash modules at the `target` path.
+ *
+ * @private
+ * @param {string} target The output directory path.
+ */
 function build(target) {
-  var actions = _.map(filePairs, function(pair) {
-    return file.copy(pair[0], path.join(target, pair[1]));
-  });
+  const actions = _.map(filePairs, pair =>
+    file.copy(pair[0], path.join(target, pair[1])));
 
-  async.series(actions, onComplete);
+  async.series(actions, util.pitch);
 }
 
 build(_.last(process.argv));

lib/main/build-site.js

@@ -0,0 +1,212 @@
+'use strict';
+
+const _ = require('lodash');
+const fs = require('fs');
+const marky = require('marky-markdown');
+const path = require('path');
+const util = require('../common/util');
+
+const basePath = path.join(__dirname, '..', '..');
+const docPath = path.join(basePath, 'doc');
+const readmePath = path.join(docPath, 'README.md');
+
+const highlights = {
+  'html': [
+    'string'
+  ],
+  'js': [
+    'comment',
+    'console',
+    'delimiter',
+    'method',
+    'modifier',
+    'name',
+    'numeric',
+    'string',
+    'support',
+    'type'
+  ]
+};
+
+/**
+ * Converts Lodash method references into documentation links.
+ *
+ * @private
+ * @param {Object} $ The Cheerio object.
+ */
+function autoLink($) {
+  $('.doc-container code').each(function() {
+    const $code = $(this);
+    const html = $code.html();
+    if (/^_\.\w+$/.test(html)) {
+      const id = html.split('.')[1];
+      $code.replaceWith(`<a href="#${ id }"><code>_.${ id }</code></a>`);
+    }
+  });
+}
+
+/**
+ * Removes horizontal rules from the document.
+ *
+ * @private
+ * @param {Object} $ The Cheerio object.
+ */
+function removeHorizontalRules($) {
+  $('hr').remove();
+}
+
+/**
+ * Removes marky-markdown specific ids and class names.
+ *
+ * @private
+ * @param {Object} $ The Cheerio object.
+ */
+function removeMarkyAttributes($) {
+  $('[id^="user-content-"]')
+    .attr('class', null)
+    .attr('id', null);
+
+  $(':header:not(h3) > a').each(function() {
+    const $a = $(this);
+    $a.replaceWith($a.html());
+  });
+}
+
+/**
+ * Renames "_" id and anchor references to "lodash".
+ *
+ * @private
+ * @param {Object} $ The Cheerio object.
+ */
+function renameLodashId($) {
+  $('#_').attr('id', 'lodash');
+  $('[href="#_"]').attr('href', '#lodash');
+}
+
+/**
+ * Repairs broken marky-markdown headers.
+ * See https://github.com/npm/marky-markdown/issues/217 for more details.
+ *
+ * @private
+ * @param {Object} $ The Cheerio object.
+ */
+function repairMarkyHeaders($) {
+  $('p:empty + h3').prev().remove();
+
+  $('h3 ~ p:empty').each(function() {
+    const $p = $(this);
+    let node = this.prev;
+    while ((node = node.prev) && node.name != 'h3' && node.name != 'p') {
+      $p.prepend(node.next);
+    }
+  });
+
+  $('h3 code em').parent().each(function() {
+    const $code = $(this);
+    $code.html($code.html().replace(/<\/?em>/g, '_'));
+  });
+}
+
+/**
+ * Cleans up highlights blocks by removing extraneous class names and elements.
+ *
+ * @private
+ * @param {Object} $ The Cheerio object.
+ */
+function tidyHighlights($) {
+  $('.highlight').each(function() {
+    let $spans;
+    const $parent = $(this);
+    const ext = $parent.find('.source,.text').first().attr('class').split(' ').pop();
+
+    $parent.addClass(ext);
+
+    // Remove line indicators for single line snippets.
+    $parent.children('pre').each(function() {
+      const $divs = $(this).children('div');
+      if ($divs.length == 1) {
+        $divs.replaceWith($divs.html());
+      }
+    });
+    // Remove extraneous class names.
+    $parent.find('[class]').each(function() {
+      const $element = $(this);
+      const classes = $element.attr('class').split(' ');
+      const attr = _.intersection(classes, highlights[ext]).join(' ');
+      $element.attr('class', attr || null);
+    });
+    // Collapse nested comment highlights.
+    $parent.find(`[class~="comment"]`).each(function() {
+      const $element = $(this);
+      $element.text($element.text().trim());
+    });
+    // Collapse nested string highlights.
+    $parent.find(`[class~="string"]`).each(function() {
+      const $element = $(this);
+      $element.text($element.text());
+    });
+    // Collapse nested spans.
+    while (($spans = $parent.find('span:not([class])')).length) {
+      $spans.each(function() {
+        let $span = $(this);
+        while ($span[0] && $span[0].name == 'span' && !$span.attr('class')) {
+          const $parent = $span.parent();
+          $span.replaceWith($span.html());
+          $span = $parent;
+        }
+      });
+    }
+  });
+}
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * Creates the documentation HTML.
+ *
+ * @private
+ */
+function build() {
+  const markdown = fs
+    // Load markdown.
+    .readFileSync(readmePath, 'utf8')
+    // Uncomment docdown HTML hints.
+    .replace(/(<)!--\s*|\s*--(>)/g, '$1$2');
+
+  const $ = marky(markdown, { 'sanitize': false });
+  const $header = $('h1').first().remove();
+  const version = $header.find('span').first().text().trim().slice(1);
+
+  // Auto-link Lodash method references.
+  autoLink($);
+  // Rename "_" id references to "lodash".
+  renameLodashId($);
+  // Remove docdown horizontal rules.
+  removeHorizontalRules($);
+  // Remove marky-markdown attribute additions.
+  removeMarkyAttributes($);
+  // Repair marky-markdown wrapping around headers.
+  repairMarkyHeaders($);
+  // Cleanup highlights.
+  tidyHighlights($);
+
+  const html = [
+    // Append YAML front matter.
+    '---',
+    'id: docs',
+    'layout: docs',
+    'title: Lodash Documentation',
+    'version: ' + (version || null),
+    '---',
+    '',
+    // Wrap in raw tags to avoid Liquid template tag processing.
+    '{% raw %}',
+    $.html().trim(),
+    '{% endraw %}',
+    ''
+  ].join('\n');
+
+  fs.writeFile(path.join(docPath, version + '.html'), html, util.pitch);
+}
+
+build();

package.json

@@ -1,18 +1,20 @@
 {
   "name": "lodash",
-  "version": "4.11.2",
+  "version": "4.16.0",
   "license": "MIT",
   "private": true,
   "main": "lodash.js",
+  "engines": { "node": ">=4.0.0" },
   "scripts": {
     "build": "npm run build:main && npm run build:fp",
     "build:fp": "node lib/fp/build-dist.js",
     "build:fp-modules": "node lib/fp/build-modules.js",
     "build:main": "node lib/main/build-dist.js",
     "build:main-modules": "node lib/main/build-modules.js",
-    "doc": "node lib/main/build-doc github",
+    "doc": "node lib/main/build-doc github && npm run test:doc",
     "doc:fp": "node lib/fp/build-doc",
     "doc:site": "node lib/main/build-doc site",
+    "doc:sitehtml": "optional-dev-dependency marky-markdown@^8.1.0 && npm run doc:site && node lib/main/build-site",
     "pretest": "npm run build",
     "style": "npm run style:main && npm run style:fp && npm run style:perf && npm run style:test",
     "style:fp": "jscs fp/*.js lib/**/*.js",
@@ -20,33 +22,42 @@
     "style:perf": "jscs perf/*.js perf/**/*.js",
     "style:test": "jscs test/*.js test/**/*.js",
     "test": "npm run test:main && npm run test:fp",
+    "test:doc": "markdown-doctest doc/*.md",
     "test:fp": "node test/test-fp",
     "test:main": "node test/test",
     "validate": "npm run style && npm run test"
   },
   "devDependencies": {
-    "async": "^1.5.2",
-    "benchmark": "^2.1.0",
+    "async": "^2.0.1",
+    "benchmark": "^2.1.1",
     "chalk": "^1.1.3",
     "codecov.io": "~0.1.6",
-    "coveralls": "^2.11.9",
+    "coveralls": "^2.11.13",
     "curl-amd": "~0.8.12",
-    "docdown": "~0.5.1",
-    "dojo": "^1.11.1",
-    "ecstatic": "^1.4.0",
-    "fs-extra": "~0.28.0",
-    "glob": "^7.0.3",
-    "istanbul": "0.4.3",
-    "jquery": "^2.2.3",
-    "jscs": "^3.0.1",
-    "lodash": "4.10.0",
+    "docdown": "~0.7.1",
+    "dojo": "^1.11.2",
+    "ecstatic": "^2.1.0",
+    "fs-extra": "~0.30.0",
+    "glob": "^7.0.6",
+    "istanbul": "0.4.5",
+    "jquery": "^3.1.0",
+    "jscs": "^3.0.7",
+    "lodash": "4.15.0",
+    "lodash-doc-globals": "^0.1.1",
+    "markdown-doctest": "^0.8.1",
+    "optional-dev-dependency": "^1.3.0",
     "platform": "^1.3.1",
-    "qunit-extras": "^1.5.0",
-    "qunitjs": "~1.23.1",
-    "request": "^2.69.0",
-    "requirejs": "^2.2.0",
-    "sauce-tunnel": "^2.4.0",
-    "uglify-js": "2.6.2",
-    "webpack": "^1.12.15"
+    "qunit-extras": "^2.1.0",
+    "qunitjs": "^2.0.1",
+    "request": "^2.75.0",
+    "requirejs": "^2.3.2",
+    "sauce-tunnel": "^2.5.0",
+    "uglify-js": "2.7.3",
+    "webpack": "^1.13.2"
+  },
+  "greenkeeper": {
+    "ignore": [
+      "lodash"
+    ]
   }
 }

perf/asset/perf-ui.js

@@ -15,27 +15,8 @@
 
   /*--------------------------------------------------------------------------*/
 
-  /**
-   * Registers an event listener on an element.
-   *
-   * @private
-   * @param {Element} element The element.
-   * @param {string} eventName The name of the event.
-   * @param {Function} handler The event handler.
-   * @returns {Element} The element.
-   */
-  function addListener(element, eventName, handler) {
-    if (typeof element.addEventListener != 'undefined') {
-      element.addEventListener(eventName, handler, false);
-    } else if (typeof element.attachEvent != 'undefined') {
-      element.attachEvent('on' + eventName, handler);
-    }
-  }
-
-  /*--------------------------------------------------------------------------*/
-
   // Initialize controls.
-  addListener(window, 'load', function() {
+  addEventListener('load', function() {
     function eventHandler(event) {
       var buildIndex = buildList.selectedIndex,
           otherIndex = otherList.selectedIndex,
@@ -96,8 +77,8 @@
       return -1;
     }());
 
-    addListener(buildList, 'change', eventHandler);
-    addListener(otherList, 'change', eventHandler);
+    buildList.addEventListener('change', eventHandler);
+    otherList.addEventListener('change', eventHandler);
   });
 
   // The lodash build file path.

perf/index.html

@@ -10,16 +10,27 @@
         height: 100%;
       }
       #FirebugUI {
-        top: 2em;
+        top: 2.5em;
       }
       #perf-toolbar {
         background-color: #EEE;
         color: #5E740B;
         font-family: "Helvetica Neue Light", "HelveticaNeue-Light", "Helvetica Neue", Calibri, Helvetica, Arial, sans-serif;
         font-size: small;
-        padding: 0.5em 0 0.5em 2em;
+        padding: 0.5em 1em 0.5em 1em;
         overflow: hidden;
       }
+      #perf-toolbar label {
+        display: inline-block;
+        margin-right: 0.5em;
+      }
+      #perf-toolbar span {
+        display: inline-block;
+        float: right;
+        line-height: 2.1em;
+        margin-left: 1em;
+        margin-top: 0;
+      }
     </style>
   </head>
   <body>

perf/perf.js

@@ -1,4 +1,5 @@
 ;(function() {
+  'use strict';
 
   /** Used to access the Firebug Lite panel (set by `run`). */
   var fbPanel;

test/asset/test-ui.js

@@ -15,27 +15,8 @@
 
   /*--------------------------------------------------------------------------*/
 
-  /**
-   * Registers an event listener on an element.
-   *
-   * @private
-   * @param {Element} element The element.
-   * @param {string} eventName The name of the event.
-   * @param {Function} handler The event handler.
-   * @returns {Element} The element.
-   */
-  function addListener(element, eventName, handler) {
-    if (typeof element.addEventListener != 'undefined') {
-      element.addEventListener(eventName, handler, false);
-    } else if (typeof element.attachEvent != 'undefined') {
-      element.attachEvent('on' + eventName, handler);
-    }
-  }
-
-  /*--------------------------------------------------------------------------*/
-
   // Initialize controls.
-  addListener(window, 'load', function() {
+  addEventListener('load', function() {
     function eventHandler(event) {
       var buildIndex = buildList.selectedIndex,
           loaderIndex = loaderList.selectedIndex,
@@ -59,8 +40,8 @@
         setTimeout(init, 15);
         return;
       }
-      toolbar.appendChild(span1);
-      toolbar.appendChild(span2);
+      toolbar.insertBefore(span2, toolbar.lastChild);
+      toolbar.insertBefore(span1, span2);
 
       buildList.selectedIndex = (function() {
         switch (build) {
@@ -84,12 +65,11 @@
         return -1;
       }());
 
-      addListener(buildList, 'change', eventHandler);
-      addListener(loaderList, 'change', eventHandler);
+      buildList.addEventListener('change', eventHandler);
+      loaderList.addEventListener('change', eventHandler);
     }
 
     var span1 = document.createElement('span');
-    span1.style.cssText = 'float:right';
     span1.innerHTML =
       '<label for="qunit-build">Build: </label>' +
       '<select id="qunit-build">' +
@@ -100,7 +80,6 @@
       '</select>';
 
     var span2 = document.createElement('span');
-    span2.style.cssText = 'float:right';
     span2.innerHTML =
       '<label for="qunit-loader">Loader: </label>' +
       '<select id="qunit-loader">' +
@@ -110,6 +89,12 @@
       '<option value="requirejs">RequireJS</option>' +
       '</select>';
 
+    span1.style.cssText =
+    span2.style.cssText = 'display:inline-block;float:right;line-height:2.1em;margin-left:1em;margin-top:0;';
+
+    span1.firstChild.style.cssText =
+    span2.firstChild.style.cssText = 'display:inline-block;margin-right:.5em;';
+
     var buildList = span1.lastChild,
         loaderList = span2.lastChild;
 

test/asset/worker.js

@@ -1,3 +1,5 @@
+'use strict';
+
 self.console || (self.console = { 'log': function() {} });
 
 addEventListener('message', function(e) {

test/saucelabs.js

@@ -104,15 +104,14 @@ var browserNameMap = {
 /** List of platforms to load the runner on. */
 var platforms = [
   ['Linux', 'android', '5.1'],
-  ['Windows 10', 'chrome', '49'],
-  ['Windows 10', 'chrome', '48'],
-  ['Windows 10', 'firefox', '45'],
-  ['Windows 10', 'firefox', '44'],
+  ['Windows 10', 'chrome', '53'],
+  ['Windows 10', 'chrome', '52'],
+  ['Windows 10', 'firefox', '48'],
+  ['Windows 10', 'firefox', '47'],
   ['Windows 10', 'microsoftedge', '13'],
   ['Windows 10', 'internet explorer', '11'],
   ['Windows 8', 'internet explorer', '10'],
   ['Windows 7', 'internet explorer', '9'],
-  // ['OS X 10.10', 'ipad', '9.1'],
   ['OS X 10.11', 'safari', '9'],
   ['OS X 10.10', 'safari', '8']
 ];
@@ -294,7 +293,7 @@ function optionToArray(name, string) {
 function optionToValue(name, string) {
   var result = string.match(RegExp('^' + name + '(?:=([\\s\\S]+))?$'));
   if (result) {
-    result = _.result(result, 1);
+    result = _.get(result, 1);
     result = result ? _.trim(result) : true;
   }
   if (result === 'false') {
@@ -366,8 +365,8 @@ function onJobStart(error, res, body) {
   if (this.stopping) {
     return;
   }
-  var statusCode = _.result(res, 'statusCode'),
-      taskId = _.first(_.result(body, 'js tests'));
+  var statusCode = _.get(res, 'statusCode'),
+      taskId = _.first(_.get(body, 'js tests'));
 
   if (error || !taskId || statusCode != 200) {
     if (this.attempts < this.retries) {
@@ -408,19 +407,19 @@ function onJobStatus(error, res, body) {
   if (!this.running || this.stopping) {
     return;
   }
-  var completed = _.result(body, 'completed', false),
-      data = _.first(_.result(body, 'js tests')),
+  var completed = _.get(body, 'completed', false),
+      data = _.first(_.get(body, 'js tests')),
       elapsed = (_.now() - this.timestamp) / 1000,
-      jobId = _.result(data, 'job_id', null),
-      jobResult = _.result(data, 'result', null),
-      jobStatus = _.result(data, 'status', ''),
-      jobUrl = _.result(data, 'url', null),
+      jobId = _.get(data, 'job_id', null),
+      jobResult = _.get(data, 'result', null),
+      jobStatus = _.get(data, 'status', ''),
+      jobUrl = _.get(data, 'url', null),
       expired = (elapsed >= queueTimeout && !_.includes(jobStatus, 'in progress')),
       options = this.options,
       platform = options.platforms[0];
 
   if (_.isObject(jobResult)) {
-    var message = _.result(jobResult, 'message');
+    var message = _.get(jobResult, 'message');
   } else {
     if (typeof jobResult == 'string') {
       message = jobResult;
@@ -442,7 +441,7 @@ function onJobStatus(error, res, body) {
   }
   var description = browserName(platform[1]) + ' ' + platform[2] + ' on ' + _.startCase(platform[0]),
       errored = !jobResult || !jobResult.passed || reError.test(message) || reError.test(jobStatus),
-      failures = _.result(jobResult, 'failed'),
+      failures = _.get(jobResult, 'failed'),
       label = options.name + ':',
       tunnel = this.tunnel;
 
@@ -463,7 +462,7 @@ function onJobStatus(error, res, body) {
       return;
     }
     else {
-      if (typeof message == 'undefined') {
+      if (message === undefined) {
         message = 'Results are unavailable. ' + details;
       }
       console.error(label, description, chalk.red('failed') + ';', message);

test/underscore.html

@@ -56,9 +56,6 @@
             'works on an arguments object',
             'can handle very deep arrays'
           ],
-          'head': [
-            'is an alias for first'
-          ],
           'indexOf': [
             "sorted indexOf doesn't uses binary search",
             '0'
@@ -86,9 +83,6 @@
             'an array of pairs zipped together into an object',
             'an object converted to pairs and back to an object'
           ],
-          'range': [
-            'range with two arguments a & b, b<a generates an empty array'
-          ],
           'rest': [
             'returns the whole array when index is 0',
             'returns elements starting at the given index',
@@ -129,7 +123,8 @@
           'Iterating objects with sketchy length properties': true,
           'Resistant to collection length and properties changing while iterating': true,
           'countBy': [
-            'true'
+            '{}',
+            '[{}]'
           ],
           'each': [
             'context object property accessed'
@@ -141,24 +136,17 @@
           ],
           'filter': [
             'given context',
-            '[{"a":1,"b":2},{"a":1,"b":3},{"a":1,"b":4}]',
-            '[{"a":1,"b":2},{"a":2,"b":2}]',
-            'Empty object accepts all items',
             'OO-filter'
           ],
           'find': [
-            '{"a":1,"b":4}',
-            'undefined when not found',
-            'undefined when searching empty list',
-            'works on objects',
-            'undefined',
             'called with context'
           ],
           'findWhere': [
             'checks properties given function'
           ],
           'groupBy': [
-            'true'
+            '{}',
+            '[{}]'
           ],
           'includes': [
             "doesn't delegate to binary search"
@@ -198,8 +186,7 @@
           'partition': [
             'can reference the array index',
             'Died on test #8',
-            'partition takes a context argument',
-            'function(a){[code]}'
+            'partition takes a context argument'
           ],
           'pluck': [
             '[1]'
@@ -223,15 +210,15 @@
             'checks properties given function'
           ],
           'Can use various collection methods on NodeLists': [
-            '<span id="id2"></span>',
-            '<span id="id1"></span>'
+            '<span id="id2"></span>'
           ]
         },
         'Functions': {
           'debounce asap': true,
           'debounce asap cancel': true,
-          'debounce after system time is set backwards': true,
           'debounce asap recursively': true,
+          'debounce after system time is set backwards': true,
+          'debounce re-entrant': true,
           'throttle repeatedly with results': true,
           'more throttle does not trigger leading call when leading is set to false': true,
           'throttle does not trigger trailing call when trailing is set to false': true,
@@ -245,17 +232,17 @@
           'bindAll': [
             'throws an error for bindAll with no functions named'
           ],
+          'debounce': [
+            'incr was debounced'
+          ],
+          'iteratee': [
+            '"bbiz"',
+            '"foo"',
+            '1'
+          ],
           'memoize': [
             '{"bar":"BAR","foo":"FOO"}',
             'Died on test #8'
-          ],
-          'partial':[
-            'can partially apply with placeholders',
-            'accepts more arguments than the number of placeholders',
-            'accepts fewer arguments than the number of placeholders',
-            'unfilled placeholders are undefined',
-            'keeps prototype',
-            'allows the placeholder to be swapped out'
           ]
         },
         'Objects': {
@@ -265,10 +252,6 @@
             'is not fooled by sparse arrays with additional properties',
             '[]'
           ],
-          'defaults': [
-            'defaults skips nulls',
-            'defaults skips undefined'
-          ],
           'extend': [
             'extending null results in null',
             'extending undefined results in undefined'
@@ -285,15 +268,13 @@
             'Commutative equality is implemented for `0` and `-0`',
             '`new Number(0)` and `-0` are not equal',
             'Commutative equality is implemented for `new Number(0)` and `-0`',
+            'Invalid dates are not equal',
             'false'
           ],
           'isFinite': [
             'Numeric strings are numbers',
             'Number instances can be finite'
           ],
-          'isMatch': [
-            'doesnt falsey match constructor on undefined/null'
-          ],
           'isSet': [
             'Died on test #9'
           ],
@@ -309,10 +290,6 @@
             'called with context',
             'mapValue identity'
           ],
-          'matcher': [
-            'null matches null',
-            'treats primitives as empty'
-          ],
           'omit': [
             'can accept a predicate',
             'function is given context'
@@ -323,7 +300,10 @@
           ]
         },
         'Utility': {
-          'noConflict (node vm)': true,
+          '_.escape & unescape': [
+            '` can be unescaped',
+            'multiple occurrences of ` can be unescaped'
+          ],
           'now': [
             'Produces the correct time in milliseconds'
           ],

vendor/backbone/backbone.js

@@ -394,6 +394,7 @@
   var Model = Backbone.Model = function(attributes, options) {
     var attrs = attributes || {};
     options || (options = {});
+    this.preinitialize.apply(this, arguments);
     this.cid = _.uniqueId(this.cidPrefix);
     this.attributes = {};
     if (options.collection) this.collection = options.collection;
@@ -422,6 +423,10 @@
     // You may want to override this if you're experiencing name clashes with model ids.
     cidPrefix: 'c',
 
+    // preinitialize is an empty function by default. You can override it with a function
+    // or object.  preinitialize will run before any instantiation logic is run in the Model.
+    preinitialize: function(){},
+
     // Initialize is an empty function by default. Override it with your own
     // initialization logic.
     initialize: function(){},
@@ -562,12 +567,14 @@
       if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
       var old = this._changing ? this._previousAttributes : this.attributes;
       var changed = {};
+      var hasChanged;
       for (var attr in diff) {
         var val = diff[attr];
         if (_.isEqual(old[attr], val)) continue;
         changed[attr] = val;
+        hasChanged = true;
       }
-      return _.size(changed) ? changed : false;
+      return hasChanged ? changed : false;
     },
 
     // Get the previous value of an attribute, recorded at the time the last
@@ -754,6 +761,7 @@
   // its models in sort order, as they're added and removed.
   var Collection = Backbone.Collection = function(models, options) {
     options || (options = {});
+    this.preinitialize.apply(this, arguments);
     if (options.model) this.model = options.model;
     if (options.comparator !== void 0) this.comparator = options.comparator;
     this._reset();
@@ -783,6 +791,11 @@
     // This should be overridden in most cases.
     model: Model,
 
+
+    // preinitialize is an empty function by default. You can override it with a function
+    // or object.  preinitialize will run before any instantiation logic is run in the Collection.
+    preinitialize: function(){},
+
     // Initialize is an empty function by default. Override it with your own
     // initialization logic.
     initialize: function(){},
@@ -1219,6 +1232,7 @@
   // if an existing element is not provided...
   var View = Backbone.View = function(options) {
     this.cid = _.uniqueId('view');
+    this.preinitialize.apply(this, arguments);
     _.extend(this, _.pick(options, viewOptions));
     this._ensureElement();
     this.initialize.apply(this, arguments);
@@ -1242,6 +1256,10 @@
       return this.$el.find(selector);
     },
 
+    // preinitialize is an empty function by default. You can override it with a function
+    // or object.  preinitialize will run before any instantiation logic is run in the View
+    preinitialize: function(){},
+
     // Initialize is an empty function by default. Override it with your own
     // initialization logic.
     initialize: function(){},
@@ -1467,6 +1485,7 @@
   // matched. Creating a new one sets its `routes` hash, if not set statically.
   var Router = Backbone.Router = function(options) {
     options || (options = {});
+    this.preinitialize.apply(this, arguments);
     if (options.routes) this.routes = options.routes;
     this._bindRoutes();
     this.initialize.apply(this, arguments);
@@ -1482,6 +1501,10 @@
   // Set up all inheritable **Backbone.Router** properties and methods.
   _.extend(Router.prototype, Events, {
 
+    // preinitialize is an empty function by default. You can override it with a function
+    // or object.  preinitialize will run before any instantiation logic is run in the Router.
+    preinitialize: function(){},
+
     // Initialize is an empty function by default. Override it with your own
     // initialization logic.
     initialize: function(){},
@@ -1812,11 +1835,14 @@
       }
       var url = rootPath + fragment;
 
-      // Strip the hash and decode for matching.
-      fragment = this.decodeFragment(fragment.replace(pathStripper, ''));
+      // Strip the fragment of the query and hash for matching.
+      fragment = fragment.replace(pathStripper, '');
 
-      if (this.fragment === fragment) return;
-      this.fragment = fragment;
+      // Decode for matching.
+      var decodedFragment = this.decodeFragment(fragment);
+
+      if (this.fragment === decodedFragment) return;
+      this.fragment = decodedFragment;
 
       // If pushState is available, we use it to set the fragment as a real URL.
       if (this._usePushState) {

vendor/backbone/test/collection.js

@@ -1,4 +1,4 @@
-(function() {
+(function(QUnit) {
 
   var a, b, c, d, e, col, otherCol;
 
@@ -593,7 +593,7 @@
       assert.equal(error, 'fail');
       assert.equal(options.validationError, 'fail');
     });
-    assert.equal(collection.create({'foo': 'bar'}, {validate: true}), false);
+    assert.equal(collection.create({foo: 'bar'}, {validate: true}), false);
   });
 
   QUnit.test('create will pass extra options to success callback', function(assert) {
@@ -661,6 +661,31 @@
     assert.equal(coll.one, 1);
   });
 
+  QUnit.test('preinitialize', function(assert) {
+    assert.expect(1);
+    var Collection = Backbone.Collection.extend({
+      preinitialize: function() {
+        this.one = 1;
+      }
+    });
+    var coll = new Collection;
+    assert.equal(coll.one, 1);
+  });
+
+  QUnit.test('preinitialize occurs before the collection is set up', function(assert) {
+    assert.expect(2);
+    var Collection = Backbone.Collection.extend({
+      preinitialize: function() {
+        assert.notEqual(this.model, FooModel);
+      }
+    });
+    var FooModel = Backbone.Model.extend({id: 'foo'});
+    var coll = new Collection({}, {
+      model: FooModel
+    });
+    assert.equal(coll.model, FooModel);
+  });
+
   QUnit.test('toJSON', function(assert) {
     assert.expect(1);
     assert.equal(JSON.stringify(col), '[{"id":3,"label":"a"},{"id":2,"label":"b"},{"id":1,"label":"c"},{"id":0,"label":"d"}]');
@@ -1724,10 +1749,10 @@
         return new M(attrs);
       }
     });
-    var c2 = new C2({'_id': 1});
+    var c2 = new C2({_id: 1});
     assert.equal(c2.get(1), void 0);
     assert.equal(c2.modelId(c2.at(0).attributes), void 0);
-    var m = new M({'_id': 2});
+    var m = new M({_id: 2});
     c2.add(m);
     assert.equal(c2.get(2), void 0);
     assert.equal(c2.modelId(m.attributes), void 0);
@@ -1995,4 +2020,4 @@
     assert.equal(fired, false);
   });
 
-})();
+})(QUnit);

vendor/backbone/test/events.js

@@ -1,4 +1,4 @@
-(function() {
+(function(QUnit) {
 
   QUnit.module('Backbone.Events');
 
@@ -703,4 +703,4 @@
     two.trigger('y', 2);
   });
 
-})();
+})(QUnit);

vendor/backbone/test/model.js

@@ -1,4 +1,4 @@
-(function() {
+(function(QUnit) {
 
   var ProxyModel = Backbone.Model.extend();
   var Klass = Backbone.Collection.extend({
@@ -63,6 +63,36 @@
     assert.equal(model.get('value'), 2);
   });
 
+
+  QUnit.test('preinitialize', function(assert) {
+    assert.expect(2);
+    var Model = Backbone.Model.extend({
+
+      preinitialize: function() {
+        this.one = 1;
+      }
+    });
+    var model = new Model({}, {collection: collection});
+    assert.equal(model.one, 1);
+    assert.equal(model.collection, collection);
+  });
+
+  QUnit.test('preinitialize occurs before the model is set up', function(assert) {
+    assert.expect(6);
+    var Model = Backbone.Model.extend({
+
+      preinitialize: function() {
+        assert.equal(this.collection, undefined);
+        assert.equal(this.cid, undefined);
+        assert.equal(this.id, undefined);
+      }
+    });
+    var model = new Model({id: 'foo'}, {collection: collection});
+    assert.equal(model.collection, collection);
+    assert.equal(model.id, 'foo');
+    assert.notEqual(model.cid, undefined);
+  });
+
   QUnit.test('parse can return null', function(assert) {
     assert.expect(1);
     var Model = Backbone.Model.extend({
@@ -1415,4 +1445,4 @@
     assert.equal(model.id, 3);
   });
 
-})();
+})(QUnit);

vendor/backbone/test/noconflict.js

@@ -1,4 +1,4 @@
-(function() {
+(function(QUnit) {
 
   QUnit.module('Backbone.noConflict');
 
@@ -10,4 +10,4 @@
     assert.equal(window.Backbone, noconflictBackbone, 'Backbone is still pointing to the original Backbone');
   });
 
-})();
+})(QUnit);

vendor/backbone/test/router.js

@@ -1,4 +1,4 @@
-(function() {
+(function(QUnit) {
 
   var router = null;
   var location = null;
@@ -28,7 +28,8 @@
         'fragment',
         'pathname',
         'protocol'
-      ));
+     ));
+
       // In IE, anchor.pathname does not contain a leading slash though
       // window.location.pathname does.
       if (!/^\//.test(this.pathname)) this.pathname = '/' + this.pathname;
@@ -42,7 +43,7 @@
 
   QUnit.module('Backbone.Router', {
 
-    setup: function() {
+    beforeEach: function() {
       location = new Location('http://example.com');
       Backbone.history = _.extend(new Backbone.History, {location: location});
       router = new Router({testing: 101});
@@ -53,7 +54,7 @@
       Backbone.history.on('route', onRoute);
     },
 
-    teardown: function() {
+    afterEach: function() {
       Backbone.history.stop();
       Backbone.history.off('route', onRoute);
     }
@@ -95,6 +96,10 @@
       '*anything': 'anything'
     },
 
+    preinitialize: function(options) {
+      this.testpreinit = 'foo';
+    },
+
     initialize: function(options) {
       this.testing = options.testing;
       this.route('implicit', 'implicit');
@@ -121,19 +126,19 @@
       this.charType = 'escaped';
     },
 
-    contacts: function(){
+    contacts: function() {
       this.contact = 'index';
     },
 
-    newContact: function(){
+    newContact: function() {
       this.contact = 'new';
     },
 
-    loadContact: function(){
+    loadContact: function() {
       this.contact = 'load';
     },
 
-    optionalItem: function(arg){
+    optionalItem: function(arg) {
       this.arg = arg !== void 0 ? arg : null;
     },
 
@@ -181,6 +186,11 @@
     assert.equal(router.testing, 101);
   });
 
+  QUnit.test('preinitialize', function(assert) {
+    assert.expect(1);
+    assert.equal(router.testpreinit, 'foo');
+  });
+
   QUnit.test('routes (simple)', function(assert) {
     assert.expect(4);
     location.replace('http://example.com#search/news');
@@ -234,10 +244,11 @@
     assert.ok(Backbone.history.navigate('search/manhattan/p20', true));
   });
 
-  QUnit.test('route precedence via navigate', function(assert){
+  QUnit.test('route precedence via navigate', function(assert) {
     assert.expect(6);
-    // check both 0.9.x and backwards-compatibility options
-    _.each([{trigger: true}, true], function( options ){
+
+    // Check both 0.9.x and backwards-compatibility options
+    _.each([{trigger: true}, true], function(options) {
       Backbone.history.navigate('contacts', options);
       assert.equal(router.contact, 'index');
       Backbone.history.navigate('contacts/new', options);
@@ -249,7 +260,7 @@
 
   QUnit.test('loadUrl is not called for identical routes.', function(assert) {
     assert.expect(0);
-    Backbone.history.loadUrl = function(){ assert.ok(false); };
+    Backbone.history.loadUrl = function() { assert.ok(false); };
     location.replace('http://example.com#route');
     Backbone.history.navigate('route');
     Backbone.history.navigate('/route');
@@ -345,9 +356,9 @@
     assert.strictEqual(router.path, 'c/d/e');
   });
 
-  QUnit.test("fires event when router doesn't have callback on it", function(assert) {
+  QUnit.test('fires event when router doesn\'t have callback on it', function(assert) {
     assert.expect(1);
-    router.on('route:noCallback', function(){ assert.ok(true); });
+    router.on('route:noCallback', function() { assert.ok(true); });
     location.replace('http://example.com#noCallback');
     Backbone.history.checkUrl();
   });
@@ -536,8 +547,8 @@
     Backbone.history = _.extend(new Backbone.History, {
       location: location,
       history: {
-        pushState: function(){},
-        replaceState: function(){}
+        pushState: function() {},
+        replaceState: function() {}
       }
     });
     Backbone.history.start({root: 'root'});
@@ -551,8 +562,8 @@
     Backbone.history = _.extend(new Backbone.History, {
       location: location,
       history: {
-        pushState: function(){},
-        replaceState: function(state, title, url){
+        pushState: function() {},
+        replaceState: function(state, title, url) {
           assert.strictEqual(url, '/root/x/y');
         }
       }
@@ -570,8 +581,8 @@
     Backbone.history = _.extend(new Backbone.History, {
       location: location,
       history: {
-        pushState: function(){},
-        replaceState: function(){}
+        pushState: function() {},
+        replaceState: function() {}
       }
     });
     Backbone.history.start({root: ''});
@@ -625,8 +636,8 @@
     Backbone.history = _.extend(new Backbone.History, {
       location: location,
       history: {
-        pushState: function(){},
-        replaceState: function(state, title, url){
+        pushState: function() {},
+        replaceState: function(state, title, url) {
           assert.strictEqual(url, '/root/x/y?a=b');
         }
       }
@@ -641,8 +652,8 @@
     assert.expect(1);
     var MyRouter = Backbone.Router.extend({
       routes: {'': 'empty'},
-      empty: function(){},
-      route: function(route){
+      empty: function() {},
+      route: function(route) {
         assert.strictEqual(route, '');
       }
     });
@@ -655,7 +666,8 @@
     assert.strictEqual(history.getFragment('fragment   '), 'fragment');
   });
 
-  QUnit.test('#1820 - Leading slash and trailing space.', 1, function(assert) {
+  QUnit.test('#1820 - Leading slash and trailing space.', function(assert) {
+    assert.expect(1);
     var history = new Backbone.History;
     assert.strictEqual(history.getFragment('/fragment '), 'fragment');
   });
@@ -670,7 +682,7 @@
     assert.strictEqual(router.z, '123');
   });
 
-  QUnit.test("#2062 - Trigger 'route' event on router instance.", function(assert) {
+  QUnit.test('#2062 - Trigger "route" event on router instance.', function(assert) {
     assert.expect(2);
     router.on('route', function(name, args) {
       assert.strictEqual(name, 'routeEvent');
@@ -709,8 +721,8 @@
     Backbone.history = _.extend(new Backbone.History, {
       location: location,
       history: {
-        pushState: function(){},
-        replaceState: function(){ assert.ok(false); }
+        pushState: function() {},
+        replaceState: function() { assert.ok(false); }
       }
     });
     Backbone.history.start({
@@ -726,8 +738,8 @@
     Backbone.history = _.extend(new Backbone.History, {
       location: location,
       history: {
-        pushState: function(){},
-        replaceState: function(){}
+        pushState: function() {},
+        replaceState: function() {}
       }
     });
 
@@ -753,7 +765,7 @@
     Backbone.history = _.extend(new Backbone.History, {
       location: location,
       history: {
-        pushState: function(state, title, url){
+        pushState: function(state, title, url) {
           assert.strictEqual(url, '/root');
         }
       }
@@ -785,7 +797,7 @@
     Backbone.history = _.extend(new Backbone.History, {
       location: location,
       history: {
-        pushState: function(state, title, url){
+        pushState: function(state, title, url) {
           assert.strictEqual(url, '/root?x=1');
         }
       }
@@ -823,7 +835,7 @@
     assert.expect(1);
     var MyRouter = Backbone.Router.extend({
       routes: {
-        path: function(params){
+        path: function(params) {
           assert.strictEqual(params, 'x=y%3Fz');
         }
       }
@@ -921,7 +933,7 @@
     Backbone.history = _.extend(new Backbone.History, {location: location});
     var MyRouter = Backbone.Router.extend({
       routes: {'foo/:id/bar': 'foo'},
-      foo: function(){},
+      foo: function() {},
       execute: function(callback, args, name) {
         assert.strictEqual(callback, this.foo);
         assert.deepEqual(args, ['123', 'x=y']);
@@ -953,8 +965,8 @@
     Backbone.history = _.extend(new Backbone.History, {
       location: location,
       history: {
-        pushState: function(){ assert.ok(false); },
-        replaceState: function(){ assert.ok(false); }
+        pushState: function() { assert.ok(false); },
+        replaceState: function() { assert.ok(false); }
       }
     });
     Backbone.history.start({pushState: true});
@@ -991,14 +1003,14 @@
     Backbone.history.start({root: '/root', pushState: true});
   });
 
-  QUnit.test("Paths that don't match the root should not match no root", function(assert) {
+  QUnit.test('Paths that don\'t match the root should not match no root', function(assert) {
     assert.expect(0);
     location.replace('http://example.com/foo');
     Backbone.history.stop();
     Backbone.history = _.extend(new Backbone.History, {location: location});
     var MyRouter = Backbone.Router.extend({
       routes: {
-        foo: function(){
+        foo: function() {
           assert.ok(false, 'should not match unless root matches');
         }
       }
@@ -1007,14 +1019,14 @@
     Backbone.history.start({root: 'root', pushState: true});
   });
 
-  QUnit.test("Paths that don't match the root should not match roots of the same length", function(assert) {
+  QUnit.test('Paths that don\'t match the root should not match roots of the same length', function(assert) {
     assert.expect(0);
     location.replace('http://example.com/xxxx/foo');
     Backbone.history.stop();
     Backbone.history = _.extend(new Backbone.History, {location: location});
     var MyRouter = Backbone.Router.extend({
       routes: {
-        foo: function(){
+        foo: function() {
           assert.ok(false, 'should not match unless root matches');
         }
       }
@@ -1029,7 +1041,7 @@
     Backbone.history.stop();
     Backbone.history = _.extend(new Backbone.History, {location: location});
     var MyRouter = Backbone.Router.extend({
-      routes: {foo: function(){ assert.ok(true); }}
+      routes: {foo: function() { assert.ok(true); }}
     });
     var myRouter = new MyRouter;
     Backbone.history.start({root: 'x+y.z', pushState: true});
@@ -1041,7 +1053,7 @@
     Backbone.history.stop();
     Backbone.history = _.extend(new Backbone.History, {location: location});
     var MyRouter = Backbone.Router.extend({
-      routes: {foo: function(){ assert.ok(true); }}
+      routes: {foo: function() { assert.ok(true); }}
     });
     var myRouter = new MyRouter;
     Backbone.history.start({root: '®ooτ', pushState: true});
@@ -1053,10 +1065,17 @@
     Backbone.history.stop();
     Backbone.history = _.extend(new Backbone.History, {location: location});
     var MyRouter = Backbone.Router.extend({
-      routes: {'': function(){ assert.ok(true); }}
+      routes: {'': function() { assert.ok(true); }}
     });
     var myRouter = new MyRouter;
     Backbone.history.start({root: '®ooτ', pushState: true});
   });
 
-})();
+  QUnit.test('#4025 - navigate updates URL hash as is', function(assert) {
+    assert.expect(1);
+    var route = 'search/has%20space';
+    Backbone.history.navigate(route);
+    assert.strictEqual(location.hash, '#' + route);
+  });
+
+})(QUnit);

vendor/backbone/test/setup/environment.js

@@ -1,4 +1,4 @@
-(function() {
+(function(QUnit) {
 
   var sync = Backbone.sync;
   var ajax = Backbone.ajax;
@@ -14,7 +14,7 @@
     var env = QUnit.config.current.testEnvironment;
 
     // We never want to actually call these during tests.
-    history.pushState = history.replaceState = function(){};
+    history.pushState = history.replaceState = function() {};
 
     // Capture ajax settings for comparison.
     Backbone.ajax = function(settings) {
@@ -42,4 +42,4 @@
     history.replaceState = replaceState;
   });
 
-})();
+})(QUnit);

vendor/backbone/test/sync.js

@@ -1,4 +1,4 @@
-(function() {
+(function(QUnit) {
 
   var Library = Backbone.Collection.extend({
     url: function() { return '/library'; }
@@ -158,7 +158,7 @@
 
   QUnit.test('Backbone.ajax', function(assert) {
     assert.expect(1);
-    Backbone.ajax = function(settings){
+    Backbone.ajax = function(settings) {
       assert.strictEqual(settings.url, '/test');
     };
     var model = new Backbone.Model();
@@ -236,4 +236,4 @@
     this.ajaxSettings.error({}, 'textStatus', 'errorThrown');
   });
 
-})();
+})(QUnit);

vendor/backbone/test/view.js

@@ -1,13 +1,13 @@
-(function() {
+(function(QUnit) {
 
   var view;
 
   QUnit.module('Backbone.View', {
 
-    beforeEach: function(assert) {
+    beforeEach: function() {
       $('#qunit-fixture').append(
         '<div id="testElement"><h1>Test</h1></div>'
-      );
+     );
 
       view = new Backbone.View({
         id: 'test-view',
@@ -61,6 +61,28 @@
     assert.strictEqual(new View().one, 1);
   });
 
+  QUnit.test('preinitialize', function(assert) {
+    assert.expect(1);
+    var View = Backbone.View.extend({
+      preinitialize: function() {
+        this.one = 1;
+      }
+    });
+
+    assert.strictEqual(new View().one, 1);
+  });
+
+  QUnit.test('preinitialize occurs before the view is set up', function(assert) {
+    assert.expect(2);
+    var View = Backbone.View.extend({
+      preinitialize: function() {
+        assert.equal(this.el, undefined);
+      }
+    });
+    var _view = new View({});
+    assert.notEqual(_view.el, undefined);
+  });
+
   QUnit.test('render', function(assert) {
     assert.expect(1);
     var myView = new Backbone.View;
@@ -72,8 +94,8 @@
     var counter1 = 0, counter2 = 0;
 
     var myView = new Backbone.View({el: '#testElement'});
-    myView.increment = function(){ counter1++; };
-    myView.$el.on('click', function(){ counter2++; });
+    myView.increment = function() { counter1++; };
+    myView.$el.on('click', function() { counter2++; });
 
     var events = {'click h1': 'increment'};
 
@@ -129,11 +151,10 @@
     assert.equal(myView.counter, 3);
   });
 
-
   QUnit.test('delegateEvents ignore undefined methods', function(assert) {
     assert.expect(0);
     var myView = new Backbone.View({el: '<p></p>'});
-    myView.delegateEvents({'click': 'undefinedMethod'});
+    myView.delegateEvents({click: 'undefinedMethod'});
     myView.$el.trigger('click');
   });
 
@@ -142,8 +163,8 @@
     var counter1 = 0, counter2 = 0;
 
     var myView = new Backbone.View({el: '#testElement'});
-    myView.increment = function(){ counter1++; };
-    myView.$el.on('click', function(){ counter2++; });
+    myView.increment = function() { counter1++; };
+    myView.$el.on('click', function() { counter2++; });
 
     var events = {'click h1': 'increment'};
 
@@ -203,7 +224,7 @@
     assert.expect(2);
     var myView = new Backbone.View({el: '#testElement'});
     myView.delegate('click', function() { assert.ok(true); });
-    var handler = function(){ assert.ok(false); };
+    var handler = function() { assert.ok(false); };
     myView.delegate('click', 'h1', handler);
     myView.undelegate('click', 'h1', handler);
     myView.$('h1').trigger('click');
@@ -405,8 +426,8 @@
     assert.expect(0);
     var View = Backbone.View.extend({
       initialize: function() {
-        this.listenTo(this.model, 'all x', function(){ assert.ok(false); });
-        this.listenTo(this.collection, 'all x', function(){ assert.ok(false); });
+        this.listenTo(this.model, 'all x', function() { assert.ok(false); });
+        this.listenTo(this.collection, 'all x', function() { assert.ok(false); });
       }
     });
 
@@ -492,4 +513,4 @@
     assert.notEqual($oldEl, myView.$el);
   });
 
-})();
+})(QUnit);

vendor/underscore/test/arrays.js

@@ -15,6 +15,10 @@
     result = _.map([[1, 2, 3], [1, 2, 3]], _.first);
     assert.deepEqual(result, [1, 1], 'works well with _.map');
     assert.equal(_.first(null), void 0, 'returns undefined when called on null');
+
+    Array.prototype[0] = 'boo';
+    assert.equal(_.first([]), void 0, 'return undefined when called on a empty array');
+    delete Array.prototype[0];
   });
 
   QUnit.test('head', function(assert) {
@@ -66,6 +70,10 @@
     result = _.map([[1, 2, 3], [1, 2, 3]], _.last);
     assert.deepEqual(result, [3, 3], 'works well with _.map');
     assert.equal(_.last(null), void 0, 'returns undefined when called on null');
+
+    var arr = [];
+    arr[-1] = 'boo';
+    assert.equal(_.last(arr), void 0, 'return undefined when called on a empty array');
   });
 
   QUnit.test('compact', function(assert) {

vendor/underscore/test/collections.js

@@ -188,7 +188,7 @@
     var prod = _.reduce([1, 2, 3, 4], function(memo, num){ return memo * num; });
     assert.equal(prod, 24, 'can reduce via multiplication');
 
-    assert.ok(_.reduce(null, _.noop, 138) === 138, 'handles a null (with initial value) properly');
+    assert.strictEqual(_.reduce(null, _.noop, 138), 138, 'handles a null (with initial value) properly');
     assert.equal(_.reduce([], _.noop, void 0), void 0, 'undefined can be passed as a special case');
     assert.equal(_.reduce([_], _.noop), _, 'collection of length one with no initial value returns the first item');
     assert.equal(_.reduce([], _.noop), void 0, 'returns undefined when collection is empty and no initial value');
@@ -212,7 +212,7 @@
     var sum = _.reduceRight({a: 1, b: 2, c: 3}, function(memo, num){ return memo + num; });
     assert.equal(sum, 6, 'default initial value on object');
 
-    assert.ok(_.reduceRight(null, _.noop, 138) === 138, 'handles a null (with initial value) properly');
+    assert.strictEqual(_.reduceRight(null, _.noop, 138), 138, 'handles a null (with initial value) properly');
     assert.equal(_.reduceRight([_], _.noop), _, 'collection of length one with no initial value returns the first item');
 
     assert.equal(_.reduceRight([], _.noop, void 0), void 0, 'undefined can be passed as a special case');
@@ -268,8 +268,8 @@
     var list = [{a: 1, b: 2}, {a: 2, b: 2}, {a: 1, b: 3}, {a: 1, b: 4}, {a: 2, b: 4}];
     assert.deepEqual(_.find(list, {a: 1}), {a: 1, b: 2}, 'can be used as findWhere');
     assert.deepEqual(_.find(list, {b: 4}), {a: 1, b: 4});
-    assert.ok(!_.find(list, {c: 1}), 'undefined when not found');
-    assert.ok(!_.find([], {c: 1}), 'undefined when searching empty list');
+    assert.notOk(_.find(list, {c: 1}), 'undefined when not found');
+    assert.notOk(_.find([], {c: 1}), 'undefined when searching empty list');
 
     var result = _.find([1, 2, 3], function(num){ return num * 2 === 4; });
     assert.equal(result, 2, 'found the first "2" and broke the loop');
@@ -348,25 +348,25 @@
   QUnit.test('every', function(assert) {
     assert.ok(_.every([], _.identity), 'the empty set');
     assert.ok(_.every([true, true, true], _.identity), 'every true values');
-    assert.ok(!_.every([true, false, true], _.identity), 'one false value');
+    assert.notOk(_.every([true, false, true], _.identity), 'one false value');
     assert.ok(_.every([0, 10, 28], function(num){ return num % 2 === 0; }), 'even numbers');
-    assert.ok(!_.every([0, 11, 28], function(num){ return num % 2 === 0; }), 'an odd number');
-    assert.ok(_.every([1], _.identity) === true, 'cast to boolean - true');
-    assert.ok(_.every([0], _.identity) === false, 'cast to boolean - false');
-    assert.ok(!_.every([void 0, void 0, void 0], _.identity), 'works with arrays of undefined');
+    assert.notOk(_.every([0, 11, 28], function(num){ return num % 2 === 0; }), 'an odd number');
+    assert.strictEqual(_.every([1], _.identity), true, 'cast to boolean - true');
+    assert.strictEqual(_.every([0], _.identity), false, 'cast to boolean - false');
+    assert.notOk(_.every([void 0, void 0, void 0], _.identity), 'works with arrays of undefined');
 
     var list = [{a: 1, b: 2}, {a: 2, b: 2}, {a: 1, b: 3}, {a: 1, b: 4}];
-    assert.ok(!_.every(list, {a: 1, b: 2}), 'Can be called with object');
+    assert.notOk(_.every(list, {a: 1, b: 2}), 'Can be called with object');
     assert.ok(_.every(list, 'a'), 'String mapped to object property');
 
     list = [{a: 1, b: 2}, {a: 2, b: 2, c: true}];
     assert.ok(_.every(list, {b: 2}), 'Can be called with object');
-    assert.ok(!_.every(list, 'c'), 'String mapped to object property');
+    assert.notOk(_.every(list, 'c'), 'String mapped to object property');
 
     assert.ok(_.every({a: 1, b: 2, c: 3, d: 4}, _.isNumber), 'takes objects');
-    assert.ok(!_.every({a: 1, b: 2, c: 3, d: 4}, _.isObject), 'takes objects');
+    assert.notOk(_.every({a: 1, b: 2, c: 3, d: 4}, _.isObject), 'takes objects');
     assert.ok(_.every(['a', 'b', 'c', 'd'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works');
-    assert.ok(!_.every(['a', 'b', 'c', 'd', 'f'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works');
+    assert.notOk(_.every(['a', 'b', 'c', 'd', 'f'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works');
   });
 
   QUnit.test('all', function(assert) {
@@ -374,29 +374,29 @@
   });
 
   QUnit.test('some', function(assert) {
-    assert.ok(!_.some([]), 'the empty set');
-    assert.ok(!_.some([false, false, false]), 'all false values');
+    assert.notOk(_.some([]), 'the empty set');
+    assert.notOk(_.some([false, false, false]), 'all false values');
     assert.ok(_.some([false, false, true]), 'one true value');
     assert.ok(_.some([null, 0, 'yes', false]), 'a string');
-    assert.ok(!_.some([null, 0, '', false]), 'falsy values');
-    assert.ok(!_.some([1, 11, 29], function(num){ return num % 2 === 0; }), 'all odd numbers');
+    assert.notOk(_.some([null, 0, '', false]), 'falsy values');
+    assert.notOk(_.some([1, 11, 29], function(num){ return num % 2 === 0; }), 'all odd numbers');
     assert.ok(_.some([1, 10, 29], function(num){ return num % 2 === 0; }), 'an even number');
-    assert.ok(_.some([1], _.identity) === true, 'cast to boolean - true');
-    assert.ok(_.some([0], _.identity) === false, 'cast to boolean - false');
+    assert.strictEqual(_.some([1], _.identity), true, 'cast to boolean - true');
+    assert.strictEqual(_.some([0], _.identity), false, 'cast to boolean - false');
     assert.ok(_.some([false, false, true]));
 
     var list = [{a: 1, b: 2}, {a: 2, b: 2}, {a: 1, b: 3}, {a: 1, b: 4}];
-    assert.ok(!_.some(list, {a: 5, b: 2}), 'Can be called with object');
+    assert.notOk(_.some(list, {a: 5, b: 2}), 'Can be called with object');
     assert.ok(_.some(list, 'a'), 'String mapped to object property');
 
     list = [{a: 1, b: 2}, {a: 2, b: 2, c: true}];
     assert.ok(_.some(list, {b: 2}), 'Can be called with object');
-    assert.ok(!_.some(list, 'd'), 'String mapped to object property');
+    assert.notOk(_.some(list, 'd'), 'String mapped to object property');
 
     assert.ok(_.some({a: '1', b: '2', c: '3', d: '4', e: 6}, _.isNumber), 'takes objects');
-    assert.ok(!_.some({a: 1, b: 2, c: 3, d: 4}, _.isObject), 'takes objects');
+    assert.notOk(_.some({a: 1, b: 2, c: 3, d: 4}, _.isObject), 'takes objects');
     assert.ok(_.some(['a', 'b', 'c', 'd'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works');
-    assert.ok(!_.some(['x', 'y', 'z'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works');
+    assert.notOk(_.some(['x', 'y', 'z'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works');
   });
 
   QUnit.test('any', function(assert) {
@@ -408,11 +408,11 @@
       assert.strictEqual(_.includes(val, 'hasOwnProperty'), false);
     });
     assert.strictEqual(_.includes([1, 2, 3], 2), true, 'two is in the array');
-    assert.ok(!_.includes([1, 3, 9], 2), 'two is not in the array');
+    assert.notOk(_.includes([1, 3, 9], 2), 'two is not in the array');
 
     assert.strictEqual(_.includes([5, 4, 3, 2, 1], 5, true), true, 'doesn\'t delegate to binary search');
 
-    assert.ok(_.includes({moe: 1, larry: 3, curly: 9}, 3) === true, '_.includes on objects checks their values');
+    assert.strictEqual(_.includes({moe: 1, larry: 3, curly: 9}, 3), true, '_.includes on objects checks their values');
     assert.ok(_([1, 2, 3]).includes(2), 'OO-style includes');
 
     var numbers = [1, 2, 3, 1, 2, 3, 1, 2, 3];
@@ -549,7 +549,7 @@
     assert.equal(-Infinity, _.max(void 0), 'can handle null/undefined');
     assert.equal(-Infinity, _.max(null, _.identity), 'can handle null/undefined');
 
-    assert.equal(3, _.max([1, 2, 3]), 'can perform a regular Math.max');
+    assert.equal(_.max([1, 2, 3]), 3, 'can perform a regular Math.max');
 
     var neg = _.max([1, 2, 3], function(num){ return -num; });
     assert.equal(neg, 1, 'can perform a computation-based max');
@@ -558,24 +558,24 @@
     assert.equal(-Infinity, _.max([]), 'Maximum value of an empty array');
     assert.equal(_.max({a: 'a'}), -Infinity, 'Maximum value of a non-numeric collection');
 
-    assert.equal(299999, _.max(_.range(1, 300000)), 'Maximum value of a too-big array');
+    assert.equal(_.max(_.range(1, 300000)), 299999, 'Maximum value of a too-big array');
 
-    assert.equal(3, _.max([1, 2, 3, 'test']), 'Finds correct max in array starting with num and containing a NaN');
-    assert.equal(3, _.max(['test', 1, 2, 3]), 'Finds correct max in array starting with NaN');
+    assert.equal(_.max([1, 2, 3, 'test']), 3, 'Finds correct max in array starting with num and containing a NaN');
+    assert.equal(_.max(['test', 1, 2, 3]), 3, 'Finds correct max in array starting with NaN');
 
-    assert.equal(3, _.max([1, 2, 3, null]), 'Finds correct max in array starting with num and containing a `null`');
-    assert.equal(3, _.max([null, 1, 2, 3]), 'Finds correct max in array starting with a `null`');
+    assert.equal(_.max([1, 2, 3, null]), 3, 'Finds correct max in array starting with num and containing a `null`');
+    assert.equal(_.max([null, 1, 2, 3]), 3, 'Finds correct max in array starting with a `null`');
 
-    assert.equal(3, _.max([1, 2, 3, '']), 'Finds correct max in array starting with num and containing an empty string');
-    assert.equal(3, _.max(['', 1, 2, 3]), 'Finds correct max in array starting with an empty string');
+    assert.equal(_.max([1, 2, 3, '']), 3, 'Finds correct max in array starting with num and containing an empty string');
+    assert.equal(_.max(['', 1, 2, 3]), 3, 'Finds correct max in array starting with an empty string');
 
-    assert.equal(3, _.max([1, 2, 3, false]), 'Finds correct max in array starting with num and containing a false');
-    assert.equal(3, _.max([false, 1, 2, 3]), 'Finds correct max in array starting with a false');
+    assert.equal(_.max([1, 2, 3, false]), 3, 'Finds correct max in array starting with num and containing a false');
+    assert.equal(_.max([false, 1, 2, 3]), 3, 'Finds correct max in array starting with a false');
 
-    assert.equal(4, _.max([0, 1, 2, 3, 4]), 'Finds correct max in array containing a zero');
-    assert.equal(0, _.max([-3, -2, -1, 0]), 'Finds correct max in array containing negative numbers');
+    assert.equal(_.max([0, 1, 2, 3, 4]), 4, 'Finds correct max in array containing a zero');
+    assert.equal(_.max([-3, -2, -1, 0]), 0, 'Finds correct max in array containing negative numbers');
 
-    assert.deepEqual([3, 6], _.map([[1, 2, 3], [4, 5, 6]], _.max), 'Finds correct max in array when mapping through multiple arrays');
+    assert.deepEqual(_.map([[1, 2, 3], [4, 5, 6]], _.max), [3, 6], 'Finds correct max in array when mapping through multiple arrays');
 
     var a = {x: -Infinity};
     var b = {x: -Infinity};
@@ -590,35 +590,35 @@
   });
 
   QUnit.test('min', function(assert) {
-    assert.equal(Infinity, _.min(null), 'can handle null/undefined');
-    assert.equal(Infinity, _.min(void 0), 'can handle null/undefined');
-    assert.equal(Infinity, _.min(null, _.identity), 'can handle null/undefined');
+    assert.equal(_.min(null), Infinity, 'can handle null/undefined');
+    assert.equal(_.min(void 0), Infinity, 'can handle null/undefined');
+    assert.equal(_.min(null, _.identity), Infinity, 'can handle null/undefined');
 
-    assert.equal(1, _.min([1, 2, 3]), 'can perform a regular Math.min');
+    assert.equal(_.min([1, 2, 3]), 1, 'can perform a regular Math.min');
 
     var neg = _.min([1, 2, 3], function(num){ return -num; });
     assert.equal(neg, 3, 'can perform a computation-based min');
 
-    assert.equal(Infinity, _.min({}), 'Minimum value of an empty object');
-    assert.equal(Infinity, _.min([]), 'Minimum value of an empty array');
+    assert.equal(_.min({}), Infinity, 'Minimum value of an empty object');
+    assert.equal(_.min([]), Infinity, 'Minimum value of an empty array');
     assert.equal(_.min({a: 'a'}), Infinity, 'Minimum value of a non-numeric collection');
 
-    assert.deepEqual([1, 4], _.map([[1, 2, 3], [4, 5, 6]], _.min), 'Finds correct min in array when mapping through multiple arrays');
+    assert.deepEqual(_.map([[1, 2, 3], [4, 5, 6]], _.min), [1, 4], 'Finds correct min in array when mapping through multiple arrays');
 
     var now = new Date(9999999999);
     var then = new Date(0);
     assert.equal(_.min([now, then]), then);
 
-    assert.equal(1, _.min(_.range(1, 300000)), 'Minimum value of a too-big array');
+    assert.equal(_.min(_.range(1, 300000)), 1, 'Minimum value of a too-big array');
 
-    assert.equal(1, _.min([1, 2, 3, 'test']), 'Finds correct min in array starting with num and containing a NaN');
-    assert.equal(1, _.min(['test', 1, 2, 3]), 'Finds correct min in array starting with NaN');
+    assert.equal(_.min([1, 2, 3, 'test']), 1, 'Finds correct min in array starting with num and containing a NaN');
+    assert.equal(_.min(['test', 1, 2, 3]), 1, 'Finds correct min in array starting with NaN');
 
-    assert.equal(1, _.min([1, 2, 3, null]), 'Finds correct min in array starting with num and containing a `null`');
-    assert.equal(1, _.min([null, 1, 2, 3]), 'Finds correct min in array starting with a `null`');
+    assert.equal(_.min([1, 2, 3, null]), 1, 'Finds correct min in array starting with num and containing a `null`');
+    assert.equal(_.min([null, 1, 2, 3]), 1, 'Finds correct min in array starting with a `null`');
 
-    assert.equal(0, _.min([0, 1, 2, 3, 4]), 'Finds correct min in array containing a zero');
-    assert.equal(-3, _.min([-3, -2, -1, 0]), 'Finds correct min in array containing negative numbers');
+    assert.equal(_.min([0, 1, 2, 3, 4]), 0, 'Finds correct min in array containing a zero');
+    assert.equal(_.min([-3, -2, -1, 0]), -3, 'Finds correct min in array containing negative numbers');
 
     var a = {x: Infinity};
     var b = {x: Infinity};
@@ -692,7 +692,7 @@
     assert.deepEqual(grouped['5'], ['three', 'seven', 'eight']);
 
     var context = {};
-    _.groupBy([{}], function(){ assert.ok(this === context); }, context);
+    _.groupBy([{}], function(){ assert.strictEqual(this, context); }, context);
 
     grouped = _.groupBy([4.2, 6.1, 6.4], function(num) {
       return Math.floor(num) > 4 ? 'hasOwnProperty' : 'constructor';
@@ -701,7 +701,7 @@
     assert.equal(grouped.hasOwnProperty.length, 2);
 
     var array = [{}];
-    _.groupBy(array, function(value, index, obj){ assert.ok(obj === array); });
+    _.groupBy(array, function(value, index, obj){ assert.strictEqual(obj, array); });
 
     array = [1, 2, 1, 2, 3];
     grouped = _.groupBy(array);
@@ -747,7 +747,7 @@
     assert.equal(grouped['5'], 3);
 
     var context = {};
-    _.countBy([{}], function(){ assert.ok(this === context); }, context);
+    _.countBy([{}], function(){ assert.strictEqual(this, context); }, context);
 
     grouped = _.countBy([4.2, 6.1, 6.4], function(num) {
       return Math.floor(num) > 4 ? 'hasOwnProperty' : 'constructor';
@@ -756,7 +756,7 @@
     assert.equal(grouped.hasOwnProperty, 2);
 
     var array = [{}];
-    _.countBy(array, function(value, index, obj){ assert.ok(obj === array); });
+    _.countBy(array, function(value, index, obj){ assert.strictEqual(obj, array); });
 
     array = [1, 2, 1, 2, 3];
     grouped = _.countBy(array);
@@ -797,10 +797,10 @@
   });
 
   QUnit.test('toArray', function(assert) {
-    assert.ok(!_.isArray(arguments), 'arguments object is not an array');
+    assert.notOk(_.isArray(arguments), 'arguments object is not an array');
     assert.ok(_.isArray(_.toArray(arguments)), 'arguments object converted into array');
     var a = [1, 2, 3];
-    assert.ok(_.toArray(a) !== a, 'array is cloned');
+    assert.notStrictEqual(_.toArray(a), a, 'array is cloned');
     assert.deepEqual(_.toArray(a), [1, 2, 3], 'cloned array contains same elements');
 
     var numbers = _.toArray({one: 1, two: 2, three: 3});
@@ -882,7 +882,7 @@
       assert.deepEqual(_.map(elementChildren, 'id'), ['id1', 'id2']);
       assert.deepEqual(_.map(parent.childNodes, 'nodeType'), [1, 3, 1]);
 
-      assert.ok(!_.every(parent.childNodes, _.isElement));
+      assert.notOk(_.every(parent.childNodes, _.isElement));
       assert.ok(_.some(parent.childNodes, _.isElement));
 
       function compareNode(node) {

vendor/underscore/test/cross-document.js

@@ -35,7 +35,7 @@
 
   QUnit.test('isEqual', function(assert) {
 
-    assert.ok(!_.isEqual(iNumber, 101));
+    assert.notOk(_.isEqual(iNumber, 101));
     assert.ok(_.isEqual(iNumber, 100));
 
     // Objects from another frame.
@@ -46,13 +46,13 @@
   });
 
   QUnit.test('isEmpty', function(assert) {
-    assert.ok(!_([iNumber]).isEmpty(), '[1] is not empty');
-    assert.ok(!_.isEmpty(iArray), '[] is empty');
+    assert.notOk(_([iNumber]).isEmpty(), '[1] is not empty');
+    assert.notOk(_.isEmpty(iArray), '[] is empty');
     assert.ok(_.isEmpty(iObject), '{} is empty');
   });
 
   QUnit.test('isElement', function(assert) {
-    assert.ok(!_.isElement('div'), 'strings are not dom elements');
+    assert.notOk(_.isElement('div'), 'strings are not dom elements');
     assert.ok(_.isElement(document.body), 'the body tag is a DOM element');
     assert.ok(_.isElement(iElement), 'even from another frame');
   });
@@ -113,12 +113,12 @@
   if (typeof ActiveXObject != 'undefined') {
     QUnit.test('IE host objects', function(assert) {
       var xml = new ActiveXObject('Msxml2.DOMDocument.3.0');
-      assert.ok(!_.isNumber(xml));
-      assert.ok(!_.isBoolean(xml));
-      assert.ok(!_.isNaN(xml));
-      assert.ok(!_.isFunction(xml));
-      assert.ok(!_.isNull(xml));
-      assert.ok(!_.isUndefined(xml));
+      assert.notOk(_.isNumber(xml));
+      assert.notOk(_.isBoolean(xml));
+      assert.notOk(_.isNaN(xml));
+      assert.notOk(_.isFunction(xml));
+      assert.notOk(_.isNull(xml));
+      assert.notOk(_.isUndefined(xml));
     });
 
     QUnit.test('#1621 IE 11 compat mode DOM elements are not functions', function(assert) {

vendor/underscore/test/functions.js

@@ -180,7 +180,7 @@
     var done = assert.async();
     var delayed = false;
     _.delay(function(){ delayed = true; }, 100);
-    setTimeout(function(){ assert.ok(!delayed, "didn't delay the function quite yet"); }, 50);
+    setTimeout(function(){ assert.notOk(delayed, "didn't delay the function quite yet"); }, 50);
     setTimeout(function(){ assert.ok(delayed, 'delayed the function'); done(); }, 150);
   });
 
@@ -694,6 +694,43 @@
       assert.deepEqual(_.toArray(cb(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)), _.range(1, 11));
     });
 
+    // Test custom iteratee
+    var builtinIteratee = _.iteratee;
+    _.iteratee = function(value) {
+      // RegEx values return a function that returns the number of matches
+      if (_.isRegExp(value)) return function(obj) {
+        return (obj.match(value) || []).length;
+      };
+      return value;
+    };
+
+    var collection = ['foo', 'bar', 'bbiz'];
+
+    // Test all methods that claim to be transformed through `_.iteratee`
+    assert.deepEqual(_.countBy(collection, /b/g), {0: 1, 1: 1, 2: 1});
+    assert.equal(_.every(collection, /b/g), false);
+    assert.deepEqual(_.filter(collection, /b/g), ['bar', 'bbiz']);
+    assert.equal(_.find(collection, /b/g), 'bar');
+    assert.equal(_.findIndex(collection, /b/g), 1);
+    assert.equal(_.findKey(collection, /b/g), 1);
+    assert.equal(_.findLastIndex(collection, /b/g), 2);
+    assert.deepEqual(_.groupBy(collection, /b/g), {0: ['foo'], 1: ['bar'], 2: ['bbiz']});
+    assert.deepEqual(_.indexBy(collection, /b/g), {0: 'foo', 1: 'bar', 2: 'bbiz'});
+    assert.deepEqual(_.map(collection, /b/g), [0, 1, 2]);
+    assert.equal(_.max(collection, /b/g), 'bbiz');
+    assert.equal(_.min(collection, /b/g), 'foo');
+    assert.deepEqual(_.partition(collection, /b/g), [['bar', 'bbiz'], ['foo']]);
+    assert.deepEqual(_.reject(collection, /b/g), ['foo']);
+    assert.equal(_.some(collection, /b/g), true);
+    assert.deepEqual(_.sortBy(collection, /b/g), ['foo', 'bar', 'bbiz']);
+    assert.equal(_.sortedIndex(collection, 'blah', /b/g), 1);
+    assert.deepEqual(_.uniq(collection, /b/g), ['foo', 'bar', 'bbiz']);
+
+    var objCollection = {a: 'foo', b: 'bar', c: 'bbiz'};
+    assert.deepEqual(_.mapObject(objCollection, /b/g), {a: 0, b: 1, c: 2});
+
+    // Restore the builtin iteratee
+    _.iteratee = builtinIteratee;
   });
 
   QUnit.test('restArgs', function(assert) {

vendor/underscore/test/objects.js

@@ -123,7 +123,7 @@
     subObj.c = 'd';
     assert.deepEqual(_.extend({}, subObj), {a: 'b', c: 'd'}, 'extend copies all properties from source');
     _.extend(subObj, {});
-    assert.ok(!subObj.hasOwnProperty('a'), "extend does not convert destination object's 'in' properties to 'own' properties");
+    assert.notOk(subObj.hasOwnProperty('a'), "extend does not convert destination object's 'in' properties to 'own' properties");
 
     try {
       result = {};
@@ -205,7 +205,7 @@
       return this[key] === 3 && this === instance;
     }, instance), {c: 3}, 'function is given context');
 
-    assert.ok(!_.has(_.pick({}, 'foo'), 'foo'), 'does not set own property if property not in object');
+    assert.notOk(_.has(_.pick({}, 'foo'), 'foo'), 'does not set own property if property not in object');
     _.pick(data, function(value, key, obj) {
       assert.equal(obj, data, 'passes same object as third parameter of iteratee');
     });
@@ -309,7 +309,7 @@
 
     Child.prototype.foo = 'foo';
     var created = _.create(Child.prototype, new Child);
-    assert.ok(!created.hasOwnProperty('foo'), 'should only add own properties');
+    assert.notOk(created.hasOwnProperty('foo'), 'should only add own properties');
   });
 
   QUnit.test('isEqual', function(assert) {
@@ -326,10 +326,10 @@
     assert.ok(_.isEqual(null, null), '`null` is equal to `null`');
     assert.ok(_.isEqual(), '`undefined` is equal to `undefined`');
 
-    assert.ok(!_.isEqual(0, -0), '`0` is not equal to `-0`');
-    assert.ok(!_.isEqual(-0, 0), 'Commutative equality is implemented for `0` and `-0`');
-    assert.ok(!_.isEqual(null, void 0), '`null` is not equal to `undefined`');
-    assert.ok(!_.isEqual(void 0, null), 'Commutative equality is implemented for `null` and `undefined`');
+    assert.notOk(_.isEqual(0, -0), '`0` is not equal to `-0`');
+    assert.notOk(_.isEqual(-0, 0), 'Commutative equality is implemented for `0` and `-0`');
+    assert.notOk(_.isEqual(null, void 0), '`null` is not equal to `undefined`');
+    assert.notOk(_.isEqual(void 0, null), 'Commutative equality is implemented for `null` and `undefined`');
 
     // String object and primitive comparisons.
     assert.ok(_.isEqual('Curly', 'Curly'), 'Identical string primitives are equal');
@@ -337,76 +337,76 @@
     assert.ok(_.isEqual(new String('Curly'), 'Curly'), 'String primitives and their corresponding object wrappers are equal');
     assert.ok(_.isEqual('Curly', new String('Curly')), 'Commutative equality is implemented for string objects and primitives');
 
-    assert.ok(!_.isEqual('Curly', 'Larry'), 'String primitives with different values are not equal');
-    assert.ok(!_.isEqual(new String('Curly'), new String('Larry')), 'String objects with different primitive values are not equal');
-    assert.ok(!_.isEqual(new String('Curly'), {toString: function(){ return 'Curly'; }}), 'String objects and objects with a custom `toString` method are not equal');
+    assert.notOk(_.isEqual('Curly', 'Larry'), 'String primitives with different values are not equal');
+    assert.notOk(_.isEqual(new String('Curly'), new String('Larry')), 'String objects with different primitive values are not equal');
+    assert.notOk(_.isEqual(new String('Curly'), {toString: function(){ return 'Curly'; }}), 'String objects and objects with a custom `toString` method are not equal');
 
     // Number object and primitive comparisons.
     assert.ok(_.isEqual(75, 75), 'Identical number primitives are equal');
     assert.ok(_.isEqual(new Number(75), new Number(75)), 'Number objects with identical primitive values are equal');
     assert.ok(_.isEqual(75, new Number(75)), 'Number primitives and their corresponding object wrappers are equal');
     assert.ok(_.isEqual(new Number(75), 75), 'Commutative equality is implemented for number objects and primitives');
-    assert.ok(!_.isEqual(new Number(0), -0), '`new Number(0)` and `-0` are not equal');
-    assert.ok(!_.isEqual(0, new Number(-0)), 'Commutative equality is implemented for `new Number(0)` and `-0`');
+    assert.notOk(_.isEqual(new Number(0), -0), '`new Number(0)` and `-0` are not equal');
+    assert.notOk(_.isEqual(0, new Number(-0)), 'Commutative equality is implemented for `new Number(0)` and `-0`');
 
-    assert.ok(!_.isEqual(new Number(75), new Number(63)), 'Number objects with different primitive values are not equal');
-    assert.ok(!_.isEqual(new Number(63), {valueOf: function(){ return 63; }}), 'Number objects and objects with a `valueOf` method are not equal');
+    assert.notOk(_.isEqual(new Number(75), new Number(63)), 'Number objects with different primitive values are not equal');
+    assert.notOk(_.isEqual(new Number(63), {valueOf: function(){ return 63; }}), 'Number objects and objects with a `valueOf` method are not equal');
 
     // Comparisons involving `NaN`.
     assert.ok(_.isEqual(NaN, NaN), '`NaN` is equal to `NaN`');
     assert.ok(_.isEqual(new Number(NaN), NaN), 'Object(`NaN`) is equal to `NaN`');
-    assert.ok(!_.isEqual(61, NaN), 'A number primitive is not equal to `NaN`');
-    assert.ok(!_.isEqual(new Number(79), NaN), 'A number object is not equal to `NaN`');
-    assert.ok(!_.isEqual(Infinity, NaN), '`Infinity` is not equal to `NaN`');
+    assert.notOk(_.isEqual(61, NaN), 'A number primitive is not equal to `NaN`');
+    assert.notOk(_.isEqual(new Number(79), NaN), 'A number object is not equal to `NaN`');
+    assert.notOk(_.isEqual(Infinity, NaN), '`Infinity` is not equal to `NaN`');
 
     // Boolean object and primitive comparisons.
     assert.ok(_.isEqual(true, true), 'Identical boolean primitives are equal');
     assert.ok(_.isEqual(new Boolean, new Boolean), 'Boolean objects with identical primitive values are equal');
     assert.ok(_.isEqual(true, new Boolean(true)), 'Boolean primitives and their corresponding object wrappers are equal');
     assert.ok(_.isEqual(new Boolean(true), true), 'Commutative equality is implemented for booleans');
-    assert.ok(!_.isEqual(new Boolean(true), new Boolean), 'Boolean objects with different primitive values are not equal');
+    assert.notOk(_.isEqual(new Boolean(true), new Boolean), 'Boolean objects with different primitive values are not equal');
 
     // Common type coercions.
-    assert.ok(!_.isEqual(new Boolean(false), true), '`new Boolean(false)` is not equal to `true`');
-    assert.ok(!_.isEqual('75', 75), 'String and number primitives with like values are not equal');
-    assert.ok(!_.isEqual(new Number(63), new String(63)), 'String and number objects with like values are not equal');
-    assert.ok(!_.isEqual(75, '75'), 'Commutative equality is implemented for like string and number values');
-    assert.ok(!_.isEqual(0, ''), 'Number and string primitives with like values are not equal');
-    assert.ok(!_.isEqual(1, true), 'Number and boolean primitives with like values are not equal');
-    assert.ok(!_.isEqual(new Boolean(false), new Number(0)), 'Boolean and number objects with like values are not equal');
-    assert.ok(!_.isEqual(false, new String('')), 'Boolean primitives and string objects with like values are not equal');
-    assert.ok(!_.isEqual(12564504e5, new Date(2009, 9, 25)), 'Dates and their corresponding numeric primitive values are not equal');
+    assert.notOk(_.isEqual(new Boolean(false), true), '`new Boolean(false)` is not equal to `true`');
+    assert.notOk(_.isEqual('75', 75), 'String and number primitives with like values are not equal');
+    assert.notOk(_.isEqual(new Number(63), new String(63)), 'String and number objects with like values are not equal');
+    assert.notOk(_.isEqual(75, '75'), 'Commutative equality is implemented for like string and number values');
+    assert.notOk(_.isEqual(0, ''), 'Number and string primitives with like values are not equal');
+    assert.notOk(_.isEqual(1, true), 'Number and boolean primitives with like values are not equal');
+    assert.notOk(_.isEqual(new Boolean(false), new Number(0)), 'Boolean and number objects with like values are not equal');
+    assert.notOk(_.isEqual(false, new String('')), 'Boolean primitives and string objects with like values are not equal');
+    assert.notOk(_.isEqual(12564504e5, new Date(2009, 9, 25)), 'Dates and their corresponding numeric primitive values are not equal');
 
     // Dates.
     assert.ok(_.isEqual(new Date(2009, 9, 25), new Date(2009, 9, 25)), 'Date objects referencing identical times are equal');
-    assert.ok(!_.isEqual(new Date(2009, 9, 25), new Date(2009, 11, 13)), 'Date objects referencing different times are not equal');
-    assert.ok(!_.isEqual(new Date(2009, 11, 13), {
+    assert.notOk(_.isEqual(new Date(2009, 9, 25), new Date(2009, 11, 13)), 'Date objects referencing different times are not equal');
+    assert.notOk(_.isEqual(new Date(2009, 11, 13), {
       getTime: function(){
         return 12606876e5;
       }
     }), 'Date objects and objects with a `getTime` method are not equal');
-    assert.ok(!_.isEqual(new Date('Curly'), new Date('Curly')), 'Invalid dates are not equal');
+    assert.notOk(_.isEqual(new Date('Curly'), new Date('Curly')), 'Invalid dates are not equal');
 
     // Functions.
-    assert.ok(!_.isEqual(First, Second), 'Different functions with identical bodies and source code representations are not equal');
+    assert.notOk(_.isEqual(First, Second), 'Different functions with identical bodies and source code representations are not equal');
 
     // RegExps.
     assert.ok(_.isEqual(/(?:)/gim, /(?:)/gim), 'RegExps with equivalent patterns and flags are equal');
     assert.ok(_.isEqual(/(?:)/gi, /(?:)/ig), 'Flag order is not significant');
-    assert.ok(!_.isEqual(/(?:)/g, /(?:)/gi), 'RegExps with equivalent patterns and different flags are not equal');
-    assert.ok(!_.isEqual(/Moe/gim, /Curly/gim), 'RegExps with different patterns and equivalent flags are not equal');
-    assert.ok(!_.isEqual(/(?:)/gi, /(?:)/g), 'Commutative equality is implemented for RegExps');
-    assert.ok(!_.isEqual(/Curly/g, {source: 'Larry', global: true, ignoreCase: false, multiline: false}), 'RegExps and RegExp-like objects are not equal');
+    assert.notOk(_.isEqual(/(?:)/g, /(?:)/gi), 'RegExps with equivalent patterns and different flags are not equal');
+    assert.notOk(_.isEqual(/Moe/gim, /Curly/gim), 'RegExps with different patterns and equivalent flags are not equal');
+    assert.notOk(_.isEqual(/(?:)/gi, /(?:)/g), 'Commutative equality is implemented for RegExps');
+    assert.notOk(_.isEqual(/Curly/g, {source: 'Larry', global: true, ignoreCase: false, multiline: false}), 'RegExps and RegExp-like objects are not equal');
 
     // Empty arrays, array-like objects, and object literals.
     assert.ok(_.isEqual({}, {}), 'Empty object literals are equal');
     assert.ok(_.isEqual([], []), 'Empty array literals are equal');
     assert.ok(_.isEqual([{}], [{}]), 'Empty nested arrays and objects are equal');
-    assert.ok(!_.isEqual({length: 0}, []), 'Array-like objects and arrays are not equal.');
-    assert.ok(!_.isEqual([], {length: 0}), 'Commutative equality is implemented for array-like objects');
+    assert.notOk(_.isEqual({length: 0}, []), 'Array-like objects and arrays are not equal.');
+    assert.notOk(_.isEqual([], {length: 0}), 'Commutative equality is implemented for array-like objects');
 
-    assert.ok(!_.isEqual({}, []), 'Object literals and array literals are not equal');
-    assert.ok(!_.isEqual([], {}), 'Commutative equality is implemented for objects and arrays');
+    assert.notOk(_.isEqual({}, []), 'Object literals and array literals are not equal');
+    assert.notOk(_.isEqual([], {}), 'Commutative equality is implemented for objects and arrays');
 
     // Arrays with primitive and object values.
     assert.ok(_.isEqual([1, 'Larry', true], [1, 'Larry', true]), 'Arrays containing identical primitives are equal');
@@ -424,14 +424,14 @@
     // Array elements and properties.
     assert.ok(_.isEqual(a, b), 'Arrays containing equivalent elements and different non-numeric properties are equal');
     a.push('White Rocks');
-    assert.ok(!_.isEqual(a, b), 'Arrays of different lengths are not equal');
+    assert.notOk(_.isEqual(a, b), 'Arrays of different lengths are not equal');
     a.push('East Boulder');
     b.push('Gunbarrel Ranch', 'Teller Farm');
-    assert.ok(!_.isEqual(a, b), 'Arrays of identical lengths containing different elements are not equal');
+    assert.notOk(_.isEqual(a, b), 'Arrays of identical lengths containing different elements are not equal');
 
     // Sparse arrays.
     assert.ok(_.isEqual(Array(3), Array(3)), 'Sparse arrays of identical lengths are equal');
-    assert.ok(!_.isEqual(Array(3), Array(6)), 'Sparse arrays of different lengths are not equal when both are empty');
+    assert.notOk(_.isEqual(Array(3), Array(6)), 'Sparse arrays of different lengths are not equal when both are empty');
 
     var sparse = [];
     sparse[1] = 5;
@@ -440,11 +440,11 @@
     // Simple objects.
     assert.ok(_.isEqual({a: 'Curly', b: 1, c: true}, {a: 'Curly', b: 1, c: true}), 'Objects containing identical primitives are equal');
     assert.ok(_.isEqual({a: /Curly/g, b: new Date(2009, 11, 13)}, {a: /Curly/g, b: new Date(2009, 11, 13)}), 'Objects containing equivalent members are equal');
-    assert.ok(!_.isEqual({a: 63, b: 75}, {a: 61, b: 55}), 'Objects of identical sizes with different values are not equal');
-    assert.ok(!_.isEqual({a: 63, b: 75}, {a: 61, c: 55}), 'Objects of identical sizes with different property names are not equal');
-    assert.ok(!_.isEqual({a: 1, b: 2}, {a: 1}), 'Objects of different sizes are not equal');
-    assert.ok(!_.isEqual({a: 1}, {a: 1, b: 2}), 'Commutative equality is implemented for objects');
-    assert.ok(!_.isEqual({x: 1, y: void 0}, {x: 1, z: 2}), 'Objects with identical keys and different values are not equivalent');
+    assert.notOk(_.isEqual({a: 63, b: 75}, {a: 61, b: 55}), 'Objects of identical sizes with different values are not equal');
+    assert.notOk(_.isEqual({a: 63, b: 75}, {a: 61, c: 55}), 'Objects of identical sizes with different property names are not equal');
+    assert.notOk(_.isEqual({a: 1, b: 2}, {a: 1}), 'Objects of different sizes are not equal');
+    assert.notOk(_.isEqual({a: 1}, {a: 1, b: 2}), 'Commutative equality is implemented for objects');
+    assert.notOk(_.isEqual({x: 1, y: void 0}, {x: 1, z: 2}), 'Objects with identical keys and different values are not equivalent');
 
     // `A` contains nested objects and arrays.
     a = {
@@ -479,9 +479,9 @@
 
     // Instances.
     assert.ok(_.isEqual(new First, new First), 'Object instances are equal');
-    assert.ok(!_.isEqual(new First, new Second), 'Objects with different constructors and identical own properties are not equal');
-    assert.ok(!_.isEqual({value: 1}, new First), 'Object instances and objects sharing equivalent properties are not equal');
-    assert.ok(!_.isEqual({value: 2}, new Second), 'The prototype chain of objects should not be examined');
+    assert.notOk(_.isEqual(new First, new Second), 'Objects with different constructors and identical own properties are not equal');
+    assert.notOk(_.isEqual({value: 1}, new First), 'Object instances and objects sharing equivalent properties are not equal');
+    assert.notOk(_.isEqual({value: 2}, new Second), 'The prototype chain of objects should not be examined');
 
     // Circular Arrays.
     (a = []).push(a);
@@ -492,13 +492,13 @@
     assert.ok(_.isEqual(a, b), 'Arrays containing circular references and equivalent properties are equal');
     a.push('Shemp');
     b.push('Curly');
-    assert.ok(!_.isEqual(a, b), 'Arrays containing circular references and different properties are not equal');
+    assert.notOk(_.isEqual(a, b), 'Arrays containing circular references and different properties are not equal');
 
     // More circular arrays #767.
     a = ['everything is checked but', 'this', 'is not'];
     a[1] = a;
     b = ['everything is checked but', ['this', 'array'], 'is not'];
-    assert.ok(!_.isEqual(a, b), 'Comparison of circular references with non-circular references are not equal');
+    assert.notOk(_.isEqual(a, b), 'Comparison of circular references with non-circular references are not equal');
 
     // Circular Objects.
     a = {abc: null};
@@ -511,13 +511,13 @@
     assert.ok(_.isEqual(a, b), 'Objects containing circular references and equivalent properties are equal');
     a.def = new Number(75);
     b.def = new Number(63);
-    assert.ok(!_.isEqual(a, b), 'Objects containing circular references and different properties are not equal');
+    assert.notOk(_.isEqual(a, b), 'Objects containing circular references and different properties are not equal');
 
     // More circular objects #767.
     a = {everything: 'is checked', but: 'this', is: 'not'};
     a.but = a;
     b = {everything: 'is checked', but: {that: 'object'}, is: 'not'};
-    assert.ok(!_.isEqual(a, b), 'Comparison of circular references with non-circular object references are not equal');
+    assert.notOk(_.isEqual(a, b), 'Comparison of circular references with non-circular object references are not equal');
 
     // Cyclic Structures.
     a = [{abc: null}];
@@ -530,7 +530,7 @@
     assert.ok(_.isEqual(a, b), 'Cyclic structures containing equivalent properties are equal');
     a[0].def = new String('Larry');
     b[0].def = new String('Curly');
-    assert.ok(!_.isEqual(a, b), 'Cyclic structures containing different properties are not equal');
+    assert.notOk(_.isEqual(a, b), 'Cyclic structures containing different properties are not equal');
 
     // Complex Circular References.
     a = {foo: {b: {foo: {c: {foo: null}}}}};
@@ -540,7 +540,7 @@
     assert.ok(_.isEqual(a, b), 'Cyclic structures with nested and identically-named properties are equal');
 
     // Chaining.
-    assert.ok(!_.isEqual(_({x: 1, y: void 0}).chain(), _({x: 1, z: 2}).chain()), 'Chained objects containing different values are not equal');
+    assert.notOk(_.isEqual(_({x: 1, y: void 0}).chain(), _({x: 1, z: 2}).chain()), 'Chained objects containing different values are not equal');
 
     a = _({x: 1, y: 2}).chain();
     b = _({x: 1, y: 2}).chain();
@@ -576,15 +576,15 @@
   });
 
   QUnit.test('isEmpty', function(assert) {
-    assert.ok(!_([1]).isEmpty(), '[1] is not empty');
+    assert.notOk(_([1]).isEmpty(), '[1] is not empty');
     assert.ok(_.isEmpty([]), '[] is empty');
-    assert.ok(!_.isEmpty({one: 1}), '{one: 1} is not empty');
+    assert.notOk(_.isEmpty({one: 1}), '{one: 1} is not empty');
     assert.ok(_.isEmpty({}), '{} is empty');
     assert.ok(_.isEmpty(new RegExp('')), 'objects with prototype properties are empty');
     assert.ok(_.isEmpty(null), 'null is empty');
     assert.ok(_.isEmpty(), 'undefined is empty');
     assert.ok(_.isEmpty(''), 'the empty string is empty');
-    assert.ok(!_.isEmpty('moe'), 'but other strings are not');
+    assert.notOk(_.isEmpty('moe'), 'but other strings are not');
 
     var obj = {one: 1};
     delete obj.one;
@@ -592,27 +592,27 @@
 
     var args = function(){ return arguments; };
     assert.ok(_.isEmpty(args()), 'empty arguments object is empty');
-    assert.ok(!_.isEmpty(args('')), 'non-empty arguments object is not empty');
+    assert.notOk(_.isEmpty(args('')), 'non-empty arguments object is not empty');
 
     // covers collecting non-enumerable properties in IE < 9
     var nonEnumProp = {toString: 5};
-    assert.ok(!_.isEmpty(nonEnumProp), 'non-enumerable property is not empty');
+    assert.notOk(_.isEmpty(nonEnumProp), 'non-enumerable property is not empty');
   });
 
   if (typeof document === 'object') {
     QUnit.test('isElement', function(assert) {
-      assert.ok(!_.isElement('div'), 'strings are not dom elements');
+      assert.notOk(_.isElement('div'), 'strings are not dom elements');
       assert.ok(_.isElement(testElement), 'an element is a DOM element');
     });
   }
 
   QUnit.test('isArguments', function(assert) {
     var args = (function(){ return arguments; }(1, 2, 3));
-    assert.ok(!_.isArguments('string'), 'a string is not an arguments object');
-    assert.ok(!_.isArguments(_.isArguments), 'a function is not an arguments object');
+    assert.notOk(_.isArguments('string'), 'a string is not an arguments object');
+    assert.notOk(_.isArguments(_.isArguments), 'a function is not an arguments object');
     assert.ok(_.isArguments(args), 'but the arguments object is an arguments object');
-    assert.ok(!_.isArguments(_.toArray(args)), 'but not when it\'s converted into an array');
-    assert.ok(!_.isArguments([1, 2, 3]), 'and not vanilla arrays.');
+    assert.notOk(_.isArguments(_.toArray(args)), 'but not when it\'s converted into an array');
+    assert.notOk(_.isArguments([1, 2, 3]), 'and not vanilla arrays.');
   });
 
   QUnit.test('isObject', function(assert) {
@@ -622,24 +622,24 @@
       assert.ok(_.isObject(testElement), 'and DOM element');
     }
     assert.ok(_.isObject(function() {}), 'and functions');
-    assert.ok(!_.isObject(null), 'but not null');
-    assert.ok(!_.isObject(void 0), 'and not undefined');
-    assert.ok(!_.isObject('string'), 'and not string');
-    assert.ok(!_.isObject(12), 'and not number');
-    assert.ok(!_.isObject(true), 'and not boolean');
+    assert.notOk(_.isObject(null), 'but not null');
+    assert.notOk(_.isObject(void 0), 'and not undefined');
+    assert.notOk(_.isObject('string'), 'and not string');
+    assert.notOk(_.isObject(12), 'and not number');
+    assert.notOk(_.isObject(true), 'and not boolean');
     assert.ok(_.isObject(new String('string')), 'but new String()');
   });
 
   QUnit.test('isArray', function(assert) {
-    assert.ok(!_.isArray(void 0), 'undefined vars are not arrays');
-    assert.ok(!_.isArray(arguments), 'the arguments object is not an array');
+    assert.notOk(_.isArray(void 0), 'undefined vars are not arrays');
+    assert.notOk(_.isArray(arguments), 'the arguments object is not an array');
     assert.ok(_.isArray([1, 2, 3]), 'but arrays are');
   });
 
   QUnit.test('isString', function(assert) {
     var obj = new String('I am a string object');
     if (testElement) {
-      assert.ok(!_.isString(testElement), 'an element is not a string');
+      assert.notOk(_.isString(testElement), 'an element is not a string');
     }
     assert.ok(_.isString([1, 2, 3].join(', ')), 'but strings are');
     assert.strictEqual(_.isString('I am a string literal'), true, 'string literals are');
@@ -648,9 +648,9 @@
   });
 
   QUnit.test('isSymbol', function(assert) {
-    assert.ok(!_.isSymbol(0), 'numbers are not symbols');
-    assert.ok(!_.isSymbol(''), 'strings are not symbols');
-    assert.ok(!_.isSymbol(_.isSymbol), 'functions are not symbols');
+    assert.notOk(_.isSymbol(0), 'numbers are not symbols');
+    assert.notOk(_.isSymbol(''), 'strings are not symbols');
+    assert.notOk(_.isSymbol(_.isSymbol), 'functions are not symbols');
     if (typeof Symbol === 'function') {
       assert.ok(_.isSymbol(Symbol()), 'symbols are symbols');
       assert.ok(_.isSymbol(Symbol('description')), 'described symbols are symbols');
@@ -659,43 +659,43 @@
   });
 
   QUnit.test('isNumber', function(assert) {
-    assert.ok(!_.isNumber('string'), 'a string is not a number');
-    assert.ok(!_.isNumber(arguments), 'the arguments object is not a number');
-    assert.ok(!_.isNumber(void 0), 'undefined is not a number');
+    assert.notOk(_.isNumber('string'), 'a string is not a number');
+    assert.notOk(_.isNumber(arguments), 'the arguments object is not a number');
+    assert.notOk(_.isNumber(void 0), 'undefined is not a number');
     assert.ok(_.isNumber(3 * 4 - 7 / 10), 'but numbers are');
     assert.ok(_.isNumber(NaN), 'NaN *is* a number');
     assert.ok(_.isNumber(Infinity), 'Infinity is a number');
-    assert.ok(!_.isNumber('1'), 'numeric strings are not numbers');
+    assert.notOk(_.isNumber('1'), 'numeric strings are not numbers');
   });
 
   QUnit.test('isBoolean', function(assert) {
-    assert.ok(!_.isBoolean(2), 'a number is not a boolean');
-    assert.ok(!_.isBoolean('string'), 'a string is not a boolean');
-    assert.ok(!_.isBoolean('false'), 'the string "false" is not a boolean');
-    assert.ok(!_.isBoolean('true'), 'the string "true" is not a boolean');
-    assert.ok(!_.isBoolean(arguments), 'the arguments object is not a boolean');
-    assert.ok(!_.isBoolean(void 0), 'undefined is not a boolean');
-    assert.ok(!_.isBoolean(NaN), 'NaN is not a boolean');
-    assert.ok(!_.isBoolean(null), 'null is not a boolean');
+    assert.notOk(_.isBoolean(2), 'a number is not a boolean');
+    assert.notOk(_.isBoolean('string'), 'a string is not a boolean');
+    assert.notOk(_.isBoolean('false'), 'the string "false" is not a boolean');
+    assert.notOk(_.isBoolean('true'), 'the string "true" is not a boolean');
+    assert.notOk(_.isBoolean(arguments), 'the arguments object is not a boolean');
+    assert.notOk(_.isBoolean(void 0), 'undefined is not a boolean');
+    assert.notOk(_.isBoolean(NaN), 'NaN is not a boolean');
+    assert.notOk(_.isBoolean(null), 'null is not a boolean');
     assert.ok(_.isBoolean(true), 'but true is');
     assert.ok(_.isBoolean(false), 'and so is false');
   });
 
   QUnit.test('isMap', function(assert) {
-    assert.ok(!_.isMap('string'), 'a string is not a map');
-    assert.ok(!_.isMap(2), 'a number is not a map');
-    assert.ok(!_.isMap({}), 'an object is not a map');
-    assert.ok(!_.isMap(false), 'a boolean is not a map');
-    assert.ok(!_.isMap(void 0), 'undefined is not a map');
-    assert.ok(!_.isMap([1, 2, 3]), 'an array is not a map');
+    assert.notOk(_.isMap('string'), 'a string is not a map');
+    assert.notOk(_.isMap(2), 'a number is not a map');
+    assert.notOk(_.isMap({}), 'an object is not a map');
+    assert.notOk(_.isMap(false), 'a boolean is not a map');
+    assert.notOk(_.isMap(void 0), 'undefined is not a map');
+    assert.notOk(_.isMap([1, 2, 3]), 'an array is not a map');
     if (typeof Set === 'function') {
-      assert.ok(!_.isMap(new Set()), 'a set is not a map');
+      assert.notOk(_.isMap(new Set()), 'a set is not a map');
     }
     if (typeof WeakSet === 'function') {
-      assert.ok(!_.isMap(new WeakSet()), 'a weakset is not a map');
+      assert.notOk(_.isMap(new WeakSet()), 'a weakset is not a map');
     }
     if (typeof WeakMap === 'function') {
-      assert.ok(!_.isMap(new WeakMap()), 'a weakmap is not a map');
+      assert.notOk(_.isMap(new WeakMap()), 'a weakmap is not a map');
     }
     if (typeof Map === 'function') {
       var keyString = 'a string';
@@ -706,20 +706,20 @@
   });
 
   QUnit.test('isWeakMap', function(assert) {
-    assert.ok(!_.isWeakMap('string'), 'a string is not a weakmap');
-    assert.ok(!_.isWeakMap(2), 'a number is not a weakmap');
-    assert.ok(!_.isWeakMap({}), 'an object is not a weakmap');
-    assert.ok(!_.isWeakMap(false), 'a boolean is not a weakmap');
-    assert.ok(!_.isWeakMap(void 0), 'undefined is not a weakmap');
-    assert.ok(!_.isWeakMap([1, 2, 3]), 'an array is not a weakmap');
+    assert.notOk(_.isWeakMap('string'), 'a string is not a weakmap');
+    assert.notOk(_.isWeakMap(2), 'a number is not a weakmap');
+    assert.notOk(_.isWeakMap({}), 'an object is not a weakmap');
+    assert.notOk(_.isWeakMap(false), 'a boolean is not a weakmap');
+    assert.notOk(_.isWeakMap(void 0), 'undefined is not a weakmap');
+    assert.notOk(_.isWeakMap([1, 2, 3]), 'an array is not a weakmap');
     if (typeof Set === 'function') {
-      assert.ok(!_.isWeakMap(new Set()), 'a set is not a weakmap');
+      assert.notOk(_.isWeakMap(new Set()), 'a set is not a weakmap');
     }
     if (typeof WeakSet === 'function') {
-      assert.ok(!_.isWeakMap(new WeakSet()), 'a weakset is not a weakmap');
+      assert.notOk(_.isWeakMap(new WeakSet()), 'a weakset is not a weakmap');
     }
     if (typeof Map === 'function') {
-      assert.ok(!_.isWeakMap(new Map()), 'a map is not a weakmap');
+      assert.notOk(_.isWeakMap(new Map()), 'a map is not a weakmap');
     }
     if (typeof WeakMap === 'function') {
       var keyObj = {}, obj = new WeakMap();
@@ -729,20 +729,20 @@
   });
 
   QUnit.test('isSet', function(assert) {
-    assert.ok(!_.isSet('string'), 'a string is not a set');
-    assert.ok(!_.isSet(2), 'a number is not a set');
-    assert.ok(!_.isSet({}), 'an object is not a set');
-    assert.ok(!_.isSet(false), 'a boolean is not a set');
-    assert.ok(!_.isSet(void 0), 'undefined is not a set');
-    assert.ok(!_.isSet([1, 2, 3]), 'an array is not a set');
+    assert.notOk(_.isSet('string'), 'a string is not a set');
+    assert.notOk(_.isSet(2), 'a number is not a set');
+    assert.notOk(_.isSet({}), 'an object is not a set');
+    assert.notOk(_.isSet(false), 'a boolean is not a set');
+    assert.notOk(_.isSet(void 0), 'undefined is not a set');
+    assert.notOk(_.isSet([1, 2, 3]), 'an array is not a set');
     if (typeof Map === 'function') {
-      assert.ok(!_.isSet(new Map()), 'a map is not a set');
+      assert.notOk(_.isSet(new Map()), 'a map is not a set');
     }
     if (typeof WeakMap === 'function') {
-      assert.ok(!_.isSet(new WeakMap()), 'a weakmap is not a set');
+      assert.notOk(_.isSet(new WeakMap()), 'a weakmap is not a set');
     }
     if (typeof WeakSet === 'function') {
-      assert.ok(!_.isSet(new WeakSet()), 'a weakset is not a set');
+      assert.notOk(_.isSet(new WeakSet()), 'a weakset is not a set');
     }
     if (typeof Set === 'function') {
       var obj = new Set();
@@ -753,20 +753,20 @@
 
   QUnit.test('isWeakSet', function(assert) {
 
-    assert.ok(!_.isWeakSet('string'), 'a string is not a weakset');
-    assert.ok(!_.isWeakSet(2), 'a number is not a weakset');
-    assert.ok(!_.isWeakSet({}), 'an object is not a weakset');
-    assert.ok(!_.isWeakSet(false), 'a boolean is not a weakset');
-    assert.ok(!_.isWeakSet(void 0), 'undefined is not a weakset');
-    assert.ok(!_.isWeakSet([1, 2, 3]), 'an array is not a weakset');
+    assert.notOk(_.isWeakSet('string'), 'a string is not a weakset');
+    assert.notOk(_.isWeakSet(2), 'a number is not a weakset');
+    assert.notOk(_.isWeakSet({}), 'an object is not a weakset');
+    assert.notOk(_.isWeakSet(false), 'a boolean is not a weakset');
+    assert.notOk(_.isWeakSet(void 0), 'undefined is not a weakset');
+    assert.notOk(_.isWeakSet([1, 2, 3]), 'an array is not a weakset');
     if (typeof Map === 'function') {
-      assert.ok(!_.isWeakSet(new Map()), 'a map is not a weakset');
+      assert.notOk(_.isWeakSet(new Map()), 'a map is not a weakset');
     }
     if (typeof WeakMap === 'function') {
-      assert.ok(!_.isWeakSet(new WeakMap()), 'a weakmap is not a weakset');
+      assert.notOk(_.isWeakSet(new WeakMap()), 'a weakmap is not a weakset');
     }
     if (typeof Set === 'function') {
-      assert.ok(!_.isWeakSet(new Set()), 'a set is not a weakset');
+      assert.notOk(_.isWeakSet(new Set()), 'a set is not a weakset');
     }
     if (typeof WeakSet === 'function') {
       var obj = new WeakSet();
@@ -776,19 +776,19 @@
   });
 
   QUnit.test('isFunction', function(assert) {
-    assert.ok(!_.isFunction(void 0), 'undefined vars are not functions');
-    assert.ok(!_.isFunction([1, 2, 3]), 'arrays are not functions');
-    assert.ok(!_.isFunction('moe'), 'strings are not functions');
+    assert.notOk(_.isFunction(void 0), 'undefined vars are not functions');
+    assert.notOk(_.isFunction([1, 2, 3]), 'arrays are not functions');
+    assert.notOk(_.isFunction('moe'), 'strings are not functions');
     assert.ok(_.isFunction(_.isFunction), 'but functions are');
     assert.ok(_.isFunction(function(){}), 'even anonymous ones');
 
     if (testElement) {
-      assert.ok(!_.isFunction(testElement), 'elements are not functions');
+      assert.notOk(_.isFunction(testElement), 'elements are not functions');
     }
 
     var nodelist = typeof document != 'undefined' && document.childNodes;
     if (nodelist) {
-      assert.ok(!_.isFunction(nodelist));
+      assert.notOk(_.isFunction(nodelist));
     }
   });
 
@@ -806,65 +806,68 @@
   }
 
   QUnit.test('isDate', function(assert) {
-    assert.ok(!_.isDate(100), 'numbers are not dates');
-    assert.ok(!_.isDate({}), 'objects are not dates');
+    assert.notOk(_.isDate(100), 'numbers are not dates');
+    assert.notOk(_.isDate({}), 'objects are not dates');
     assert.ok(_.isDate(new Date()), 'but dates are');
   });
 
   QUnit.test('isRegExp', function(assert) {
-    assert.ok(!_.isRegExp(_.identity), 'functions are not RegExps');
+    assert.notOk(_.isRegExp(_.identity), 'functions are not RegExps');
     assert.ok(_.isRegExp(/identity/), 'but RegExps are');
   });
 
   QUnit.test('isFinite', function(assert) {
-    assert.ok(!_.isFinite(void 0), 'undefined is not finite');
-    assert.ok(!_.isFinite(null), 'null is not finite');
-    assert.ok(!_.isFinite(NaN), 'NaN is not finite');
-    assert.ok(!_.isFinite(Infinity), 'Infinity is not finite');
-    assert.ok(!_.isFinite(-Infinity), '-Infinity is not finite');
+    assert.notOk(_.isFinite(void 0), 'undefined is not finite');
+    assert.notOk(_.isFinite(null), 'null is not finite');
+    assert.notOk(_.isFinite(NaN), 'NaN is not finite');
+    assert.notOk(_.isFinite(Infinity), 'Infinity is not finite');
+    assert.notOk(_.isFinite(-Infinity), '-Infinity is not finite');
     assert.ok(_.isFinite('12'), 'Numeric strings are numbers');
-    assert.ok(!_.isFinite('1a'), 'Non numeric strings are not numbers');
-    assert.ok(!_.isFinite(''), 'Empty strings are not numbers');
+    assert.notOk(_.isFinite('1a'), 'Non numeric strings are not numbers');
+    assert.notOk(_.isFinite(''), 'Empty strings are not numbers');
     var obj = new Number(5);
     assert.ok(_.isFinite(obj), 'Number instances can be finite');
     assert.ok(_.isFinite(0), '0 is finite');
     assert.ok(_.isFinite(123), 'Ints are finite');
     assert.ok(_.isFinite(-12.44), 'Floats are finite');
     if (typeof Symbol === 'function') {
-      assert.ok(!_.isFinite(Symbol()), 'symbols are not numbers');
-      assert.ok(!_.isFinite(Symbol('description')), 'described symbols are not numbers');
-      assert.ok(!_.isFinite(Object(Symbol())), 'boxed symbols are not numbers');
+      assert.notOk(_.isFinite(Symbol()), 'symbols are not numbers');
+      assert.notOk(_.isFinite(Symbol('description')), 'described symbols are not numbers');
+      assert.notOk(_.isFinite(Object(Symbol())), 'boxed symbols are not numbers');
     }
   });
 
   QUnit.test('isNaN', function(assert) {
-    assert.ok(!_.isNaN(void 0), 'undefined is not NaN');
-    assert.ok(!_.isNaN(null), 'null is not NaN');
-    assert.ok(!_.isNaN(0), '0 is not NaN');
-    assert.ok(!_.isNaN(new Number(0)), 'wrapped 0 is not NaN');
+    assert.notOk(_.isNaN(void 0), 'undefined is not NaN');
+    assert.notOk(_.isNaN(null), 'null is not NaN');
+    assert.notOk(_.isNaN(0), '0 is not NaN');
+    assert.notOk(_.isNaN(new Number(0)), 'wrapped 0 is not NaN');
     assert.ok(_.isNaN(NaN), 'but NaN is');
     assert.ok(_.isNaN(new Number(NaN)), 'wrapped NaN is still NaN');
+    if (typeof Symbol !== 'undefined'){
+      assert.notOk(_.isNaN(Symbol()), 'symbol is not NaN');
+    }
   });
 
   QUnit.test('isNull', function(assert) {
-    assert.ok(!_.isNull(void 0), 'undefined is not null');
-    assert.ok(!_.isNull(NaN), 'NaN is not null');
+    assert.notOk(_.isNull(void 0), 'undefined is not null');
+    assert.notOk(_.isNull(NaN), 'NaN is not null');
     assert.ok(_.isNull(null), 'but null is');
   });
 
   QUnit.test('isUndefined', function(assert) {
-    assert.ok(!_.isUndefined(1), 'numbers are defined');
-    assert.ok(!_.isUndefined(null), 'null is defined');
-    assert.ok(!_.isUndefined(false), 'false is defined');
-    assert.ok(!_.isUndefined(NaN), 'NaN is defined');
+    assert.notOk(_.isUndefined(1), 'numbers are defined');
+    assert.notOk(_.isUndefined(null), 'null is defined');
+    assert.notOk(_.isUndefined(false), 'false is defined');
+    assert.notOk(_.isUndefined(NaN), 'NaN is defined');
     assert.ok(_.isUndefined(), 'nothing is undefined');
     assert.ok(_.isUndefined(void 0), 'undefined is undefined');
   });
 
   QUnit.test('isError', function(assert) {
-    assert.ok(!_.isError(1), 'numbers are not Errors');
-    assert.ok(!_.isError(null), 'null is not an Error');
-    assert.ok(!_.isError(Error), 'functions are not Errors');
+    assert.notOk(_.isError(1), 'numbers are not Errors');
+    assert.notOk(_.isError(null), 'null is not an Error');
+    assert.notOk(_.isError(Error), 'functions are not Errors');
     assert.ok(_.isError(new Error()), 'Errors are Errors');
     assert.ok(_.isError(new EvalError()), 'EvalErrors are Errors');
     assert.ok(_.isError(new RangeError()), 'RangeErrors are Errors');
@@ -893,13 +896,13 @@
   QUnit.test('has', function(assert) {
     var obj = {foo: 'bar', func: function(){}};
     assert.ok(_.has(obj, 'foo'), 'has() checks that the object has a property.');
-    assert.ok(!_.has(obj, 'baz'), "has() returns false if the object doesn't have the property.");
+    assert.notOk(_.has(obj, 'baz'), "has() returns false if the object doesn't have the property.");
     assert.ok(_.has(obj, 'func'), 'has() works for functions too.');
     obj.hasOwnProperty = null;
     assert.ok(_.has(obj, 'foo'), 'has() works even when the hasOwnProperty method is deleted.');
     var child = {};
     child.prototype = obj;
-    assert.ok(!_.has(child, 'foo'), 'has() does not check the prototype chain for a property.');
+    assert.notOk(_.has(child, 'foo'), 'has() does not check the prototype chain for a property.');
     assert.strictEqual(_.has(null, 'foo'), false, 'has() returns false for null');
     assert.strictEqual(_.has(void 0, 'foo'), false, 'has() returns false for undefined');
   });
@@ -958,8 +961,8 @@
     assert.equal(_.matcher({})(null), true, 'Empty spec called with null object returns true');
     assert.equal(_.matcher({a: 1})(null), false, 'Non-empty spec called with null object returns false');
 
-    assert.ok(_.find(stooges, _.matcher({hair: false})) === curly, 'returns a predicate that can be used by finding functions.');
-    assert.ok(_.find(stooges, _.matcher(moe)) === moe, 'can be used to locate an object exists in a collection.');
+    assert.strictEqual(_.find(stooges, _.matcher({hair: false})), curly, 'returns a predicate that can be used by finding functions.');
+    assert.strictEqual(_.find(stooges, _.matcher(moe)), moe, 'can be used to locate an object exists in a collection.');
     assert.deepEqual(_.filter([null, void 0], _.matcher({a: 1})), [], 'Do not throw on null values.');
 
     assert.deepEqual(_.filter([null, void 0], _.matcher(null)), [null, void 0], 'null matches null');

vendor/underscore/test/utility.js

@@ -52,8 +52,8 @@
   QUnit.test('#750 - Return _ instance.', function(assert) {
     assert.expect(2);
     var instance = _([]);
-    assert.ok(_(instance) === instance);
-    assert.ok(new _(instance) === instance);
+    assert.strictEqual(_(instance), instance);
+    assert.strictEqual(new _(instance), instance);
   });
 
   QUnit.test('identity', function(assert) {
@@ -137,11 +137,12 @@
   });
 
   QUnit.test('mixin', function(assert) {
-    _.mixin({
+    var ret = _.mixin({
       myReverse: function(string) {
         return string.split('').reverse().join('');
       }
     });
+    assert.equal(ret, _, 'returns the _ object to facilitate chaining');
     assert.equal(_.myReverse('panacea'), 'aecanap', 'mixed in a function to _');
     assert.equal(_('champ').myReverse(), 'pmahc', 'mixed in a function to the OOP wrapper');
   });
@@ -188,7 +189,7 @@
     var str = 'some string & another string & yet another';
     var escaped = _.escape(str);
 
-    assert.ok(escaped.indexOf('&') !== -1, 'handles & aka &');
+    assert.notStrictEqual(escaped.indexOf('&'), -1, 'handles & aka &');
     assert.equal(_.unescape(str), str, 'can unescape &');
   });
 
@@ -370,9 +371,9 @@
   });
 
   QUnit.test('#547 - _.templateSettings is unchanged by custom settings.', function(assert) {
-    assert.ok(!_.templateSettings.variable);
+    assert.notOk(_.templateSettings.variable);
     _.template('', {}, {variable: 'x'});
-    assert.ok(!_.templateSettings.variable);
+    assert.notOk(_.templateSettings.variable);
   });
 
   QUnit.test('#556 - undefined template variables.', function(assert) {
@@ -397,11 +398,11 @@
     assert.expect(2);
     var count = 0;
     var template = _.template('<%= f() %>');
-    template({f: function(){ assert.ok(!count++); }});
+    template({f: function(){ assert.notOk(count++); }});
 
     var countEscaped = 0;
     var templateEscaped = _.template('<%- f() %>');
-    templateEscaped({f: function(){ assert.ok(!countEscaped++); }});
+    templateEscaped({f: function(){ assert.notOk(countEscaped++); }});
   });
 
   QUnit.test('#746 - _.template settings are not modified.', function(assert) {

vendor/underscore/underscore.js

@@ -84,18 +84,23 @@
     };
   };
 
+  var builtinIteratee;
+
   // An internal function to generate callbacks that can be applied to each
   // element in a collection, returning the desired result — either `identity`,
   // an arbitrary callback, a property matcher, or a property accessor.
   var cb = function(value, context, argCount) {
+    if (_.iteratee !== builtinIteratee) return _.iteratee(value, context);
     if (value == null) return _.identity;
     if (_.isFunction(value)) return optimizeCb(value, context, argCount);
     if (_.isObject(value)) return _.matcher(value);
     return _.property(value);
   };
 
-  // An external wrapper for the internal callback generator.
-  _.iteratee = function(value, context) {
+  // External wrapper for our callback generator. Users may customize
+  // `_.iteratee` if they want additional predicate/iteratee shorthand styles.
+  // This abstraction hides the internal-only argCount argument.
+  _.iteratee = builtinIteratee = function(value, context) {
     return cb(value, context, Infinity);
   };
 
@@ -439,7 +444,7 @@
       // Keep surrogate pair characters together
       return obj.match(reStrSymbol);
     }
-    if (isArrayLike(obj)) return _.map(obj);
+    if (isArrayLike(obj)) return _.map(obj, _.identity);
     return _.values(obj);
   };
 
@@ -462,7 +467,7 @@
   // values in the array. Aliased as `head` and `take`. The **guard** check
   // allows it to work with `_.map`.
   _.first = _.head = _.take = function(array, n, guard) {
-    if (array == null) return void 0;
+    if (array == null || array.length < 1) return void 0;
     if (n == null || guard) return array[0];
     return _.initial(array, array.length - n);
   };
@@ -477,7 +482,7 @@
   // Get the last element of an array. Passing **n** will return the last N
   // values in the array.
   _.last = function(array, n, guard) {
-    if (array == null) return void 0;
+    if (array == null || array.length < 1) return void 0;
     if (n == null || guard) return array[array.length - 1];
     return _.rest(array, Math.max(0, array.length - n));
   };
@@ -491,7 +496,7 @@
 
   // Trim out all falsy values from an array.
   _.compact = function(array) {
-    return _.filter(array);
+    return _.filter(array, Boolean);
   };
 
   // Internal implementation of a recursive `flatten` function.
@@ -1094,7 +1099,7 @@
     return result;
   });
 
-   // Return a copy of the object without the blacklisted properties.
+  // Return a copy of the object without the blacklisted properties.
   _.omit = restArgs(function(obj, keys) {
     var iteratee = keys[0], context;
     if (_.isFunction(iteratee)) {
@@ -1403,7 +1408,7 @@
     return new Date().getTime();
   };
 
-   // List of HTML entities for escaping.
+  // List of HTML entities for escaping.
   var escapeMap = {
     '&': '&amp;',
     '<': '&lt;',
@@ -1568,6 +1573,7 @@
         return chainResult(this, func.apply(_, args));
       };
     });
+    return _;
   };
 
   // Add all of the Underscore functions to the wrapper object.
@@ -1602,7 +1608,7 @@
   _.prototype.valueOf = _.prototype.toJSON = _.prototype.value;
 
   _.prototype.toString = function() {
-    return '' + this._wrapped;
+    return String(this._wrapped);
   };
 
   // AMD registration happens at the end for compatibility with AMD loaders