Rebuild lodash and docs

This reverts commit 7084300d34.

.editorconfig

@@ -4,15 +4,9 @@
 root = true
 
 [*]
-end_of_line = lf
 charset = utf-8
-trim_trailing_whitespace = true
-
-[**.{js,json,md}]
-indent_style = space
+end_of_line = lf
 indent_size = 2
+indent_style = space
 insert_final_newline = true
-
-[**.html]
-indent_style = tab
-insert_final_newline = false
+trim_trailing_whitespace = true

.github/CONTRIBUTING.md

@@ -0,0 +1,78 @@
+# Contributing to Lodash
+
+Contributions are always welcome. Before contributing please read the
+[code of conduct](https://js.foundation/community/code-of-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/).
+
+## Feature Requests
+
+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](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
+
+For additions or bug fixes you should only need to modify `lodash.js`. Include
+updated unit tests in the `test` directory as part of your pull request. Don’t
+worry about regenerating the `dist/` or `doc/` files.
+
+Before running the unit tests you’ll need to install, `npm i`,
+[development dependencies](https://docs.npmjs.com/files/package.json#devdependencies).
+Run unit tests from the command-line via `npm test`, or open `test/index.html` &
+`test/fp.html` in a web browser. The [Backbone](http://backbonejs.org/) &
+[Underscore](http://underscorejs.org/) test suites are included as well.
+
+## Contributor License Agreement
+
+Lodash is a member of the [Open JS Foundation](https://openjsf.org/).
+As such, we request that all contributors sign our
+[contributor license agreement (CLA)](https://js.foundation/CLA/).
+
+For more information about CLAs, please check out Alex Russell’s excellent post,
+[“Why Do I Need to Sign This?”](https://infrequently.org/2008/06/why-do-i-need-to-sign-this/).
+
+## Coding Guidelines
+
+In addition to the following guidelines, please follow the conventions already
+established in the code.
+
+- **Spacing**:<br>
+  Use two spaces for indentation. No tabs.
+
+- **Naming**:<br>
+  Keep variable & method names concise & descriptive.<br>
+  Variable names `index`, `array`, & `iteratee` are preferable to
+  `i`, `arr`, & `fn`.
+
+- **Quotes**:<br>
+  Single-quoted strings are preferred to double-quoted strings; however,
+  please use a double-quoted string if the value contains a single-quote
+  character to avoid unnecessary escaping.
+
+- **Comments**:<br>
+  Please use single-line comments to annotate significant additions, &
+  [JSDoc-style](http://www.2ality.com/2011/08/jsdoc-intro.html) comments for
+  functions.
+
+Guidelines are enforced using [JSCS](https://www.npmjs.com/package/jscs):
+```bash
+$ npm run style
+```
+
+## Tips
+
+You can opt-in to a pre-push git hook by adding an `.opt-in` file to the root of
+the project containing:
+```txt
+pre-push
+```
+
+With that, when you `git push`, the pre-push git hook will trigger and execute
+`npm run validate`.

.gitignore

@@ -1,6 +1,4 @@
 .DS_Store
-*.custom.*
 *.log
-*.map
-lodash.compat.min.js
+doc/*.html
 node_modules

.jscsrc

@@ -0,0 +1,97 @@
+{
+  "maxErrors": "2000",
+  "maximumLineLength": {
+    "value": 180,
+    "allExcept": ["comments", "functionSignature", "regex"]
+  },
+  "requireCurlyBraces": [
+    "if",
+    "else",
+    "for",
+    "while",
+    "do",
+    "try",
+    "catch"
+  ],
+  "requireOperatorBeforeLineBreak": [
+    "=",
+    "+",
+    "-",
+    "/",
+    "*",
+    "==",
+    "===",
+    "!=",
+    "!==",
+    ">",
+    ">=",
+    "<",
+    "<="
+  ],
+  "requireSpaceAfterKeywords": [
+    "if",
+    "else",
+    "for",
+    "while",
+    "do",
+    "switch",
+    "return",
+    "try",
+    "catch"
+  ],
+  "requireSpaceBeforeBinaryOperators": [
+    "=", "+=", "-=", "*=", "/=", "%=", "<<=", ">>=", ">>>=",
+    "&=", "|=", "^=",
+
+    "+", "-", "*", "/", "%", "<<", ">>", ">>>", "&",
+    "|", "^", "&&", "||", "===", "==", ">=",
+    "<=", "<", ">", "!=", "!=="
+  ],
+  "requireSpacesInFunctionExpression": {
+    "beforeOpeningCurlyBrace": true
+  },
+  "requireCamelCaseOrUpperCaseIdentifiers": true,
+  "requireDotNotation": { "allExcept": ["keywords"] },
+  "requireEarlyReturn": true,
+  "requireLineFeedAtFileEnd": true,
+  "requireSemicolons": true,
+  "requireSpaceAfterBinaryOperators": true,
+  "requireSpacesInConditionalExpression": true,
+  "requireSpaceBeforeObjectValues": true,
+  "requireSpaceBeforeBlockStatements": true,
+  "requireSpacesInForStatement": true,
+
+  "validateIndentation": 2,
+  "validateParameterSeparator": ", ",
+  "validateQuoteMarks": { "mark": "'", "escape": true },
+
+  "disallowSpacesInAnonymousFunctionExpression": {
+    "beforeOpeningRoundBrace": true
+  },
+  "disallowSpacesInFunctionDeclaration": {
+    "beforeOpeningRoundBrace": true
+  },
+  "disallowSpacesInFunctionExpression": {
+    "beforeOpeningRoundBrace": true
+  },
+  "disallowKeywords": ["with"],
+  "disallowMixedSpacesAndTabs": true,
+  "disallowMultipleLineBreaks": true,
+  "disallowNewlineBeforeBlockStatements": true,
+  "disallowSpaceAfterObjectKeys": true,
+  "disallowSpaceAfterPrefixUnaryOperators": true,
+  "disallowSpacesInCallExpression": true,
+  "disallowSpacesInsideArrayBrackets": true,
+  "disallowSpacesInsideParentheses": true,
+  "disallowTrailingWhitespace": true,
+  "disallowUnusedVariables": true,
+
+  "jsDoc": {
+    "checkRedundantAccess": true,
+    "checkTypes": true,
+    "requireNewlineAfterDescription": true,
+    "requireParamDescription": true,
+    "requireParamTypes": true,
+    "requireReturnTypes": true
+  }
+}

.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

@@ -1,73 +1,135 @@
 language: node_js
+sudo: false
 node_js:
-  - "0.12"
+  - 7
+
+addons:
+  jwt:
+    secure: OYhRpW+8A0Iik+9GmHwa45ZwXeBXw/6zh6I+1w2H9g/LqPRp+Nhq3f4FSpvrrfno8lO8W4h+7s6+JOzF8C8NxNda5UUygKjF9pUphgiQdqls3YZMJlC9zXVl7gQXAHi3nG1s8vWSpwpzYD9fqczE1FX9n0+R63qX3eB6C/LbPeI=
+
+cache:
+  directories:
+    - ~/.npm
+    - ~/.yarn-cache
+    - travis_phantomjs
+
 env:
   global:
-    - BIN="node" BUILD="compat" ISTANBUL=false OPTION=""
-    - NPM_VERSION="^2.0.0" SAUCE_LABS=false SAUCE_USERNAME="lodash"
-    - secure: "tg1JFsIFnxzLaTboFPOnm+aJCuMm5+JdhLlESlqg9x3fwro++7KCnwHKLNovhchaPe4otC43ZMB/nfWhDnDm11dKbm/V6HlTkED+dadTsaLxVDg6J+7yK41QhokBPJOxLV78iDaNaAQVYEirAgZ0yn8kFubxmNKV+bpCGQNc9yU="
+    - BIN=node ISTANBUL=false OPTION=""
+    - SAUCE_LABS=false SAUCE_USERNAME=lodash
+
   matrix:
-    - BUILD="compat"
-    - BUILD="modern"
-    - BUILD="modern"
-    - BUILD="modern" ISTANBUL=true
-    - BIN="phantomjs"
-    - BIN="rhino"
-    - BIN="rhino" OPTION="-require"
-    - BIN="ringo"
+    -
+    - BIN=phantomjs
+    - ISTANBUL=true
+    - SAUCE_LABS=true
+
 matrix:
   include:
-    - node_js: "io.js"
+    - node_js: 6
       env:
-    - node_js: "io.js"
-      env: BUILD="modern"
-    - node_js: "0.8"
-      env: NPM_VERSION="~1.4.0"
-    - node_js: "0.8"
-      env: BUILD="modern" NPM_VERSION="~1.4.0"
-    - node_js: "0.10"
-      env:
-    - node_js: "0.10"
-      env: BUILD="modern"
-    - node_js: "0.12"
-      env: SAUCE_LABS=true
-    - node_js: "0.12"
-      env: SAUCE_LABS=true BUILD="modern"
+
 git:
   depth: 10
+
 branches:
   only:
     - master
+    - 4.17.5
+
 notifications:
   webhooks:
     urls:
       - https://webhooks.gitter.im/e/4aab6358b0e9aed0b628
     on_success: change
     on_failure: always
+
 before_install:
-  - "nvm use $TRAVIS_NODE_VERSION"
-  - "npm config set loglevel error"
-  - "npm i -g npm@\"$NPM_VERSION\""
-  - "[ $SAUCE_LABS == false ] || npm i chalk@\"^1.0.0\" ecstatic@\"0.6.0\" request@\"^2.0.0\" sauce-tunnel@\"2.2.2\""
-  - "[ $ISTANBUL == false ]   || (npm i -g coveralls@\"^2.0.0\" && npm i istanbul@\"0.3.6\")"
-  - "[ $BIN != 'rhino' ] || (sudo mkdir /opt/rhino-1.7R5 && sudo wget --no-check-certificate -O $_/js.jar https://lodash.com/_travis/rhino-1.7R5.jar)"
-  - "[ $BIN != 'rhino' ] || (echo -e '#!/bin/sh\\njava -jar /opt/rhino-1.7R5/js.jar $@' | sudo tee /usr/local/bin/rhino && sudo chmod +x /usr/local/bin/rhino)"
-  - "[ $BIN != 'ringo' ] || (wget --no-check-certificate https://lodash.com/_travis/ringojs-0.11.zip && sudo unzip ringojs-0.11 -d /opt && rm ringojs-0.11.zip)"
-  - "[ $BIN != 'ringo' ] || (sudo ln -s /opt/ringojs-0.11/bin/ringo /usr/local/bin/ringo && sudo chmod +x $_)"
-  - "sed -i'' 's|\"lodash\"|\"lodash-compat\"|' ./package.json"
-  - "git clone --depth=10 --branch=master git://github.com/lodash/lodash-cli.git ./node_modules/lodash-cli && mkdir $_/node_modules && cd $_ && ln -s ../../../ ./lodash-compat && cd ../ && npm i && cd ../../"
-  - "node ./node_modules/lodash-cli/bin/lodash $BUILD -o ./lodash.$BUILD.js"
+  # Upgrade PhantomJS.
+  - |
+      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 $PWD/travis_phantomjs
+        wget https://github.com/Medium/phantomjs/releases/download/v$PHANTOMJS_VERSION/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2
+        tar -xvf phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 -C $PWD/travis_phantomjs
+      fi
+      phantomjs -v
+
+  # Use exact Node version.
+  - nvm use $TRAVIS_NODE_VERSION
+
+  # Setup package managers.
+  - npm set loglevel error
+  - npm set progress false
+  - npm i -g yarn@0.16.1
+  - yarn -V
+
+  # Remove code skipped on the coverage run.
+  - |
+      PATTERN[0]="|\s*while\s*\([^)]+\)\s*\{\s*iteratee\(index\);\s*\}|"
+      PATTERN[1]="|\bindex,\s*iterable\)\s*===\s*false\)[^}]+?(break;)|"
+      PATTERN[2]="|\bcase\s+(?:dataView|promise|set|map|weakMap)CtorString:.+|g"
+      PATTERN[3]="|\s*if\s*\(cache\.size\b[\s\S]+?\}|"
+      PATTERN[4]="|\s*if\s*\(\!lodashFunc\)\s*\{\s*return;\s*\}|"
+      PATTERN[5]="|\s*define\([\s\S]+?\);|"
+      PATTERN[6]="|\s*root\._\s*=\s*_;|"
+
+      if [ $ISTANBUL = true ]; then
+        set -e
+        for PTRN in ${PATTERN[@]}; do
+          node ./test/remove.js $PTRN ./lodash.js
+        done
+      fi
+
+install:
+  # Install packages.
+  - yarn
+
+  # 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:
-  - "[ $ISTANBUL == false ]   || (cp ./lodash.$BUILD.js ./lodash.js && sed -i'' 's|constant\\.name == '\\''constant'\\''|false|' $_ && node ./node_modules/istanbul/lib/cli.js cover -x \"**/vendor/**\" --report lcovonly ./test/test.js -- ./lodash.js)"
-  - "[ $ISTANBUL == false ]   || [ $TRAVIS_SECURE_ENV_VARS == false ] || (cat ./coverage/lcov.info | coveralls)"
-  - "[ $SAUCE_LABS == true ]  || [ $ISTANBUL == true ] || cd ./test"
-  - "[ $SAUCE_LABS == true ]  || [ $ISTANBUL == true ] || $BIN $OPTION ./test.js ../lodash.$BUILD.js"
-  - "[ $SAUCE_LABS == true ]  || [ $ISTANBUL == true ] || [ $TRAVIS_SECURE_ENV_VARS == false ] || $BIN $OPTION ./test.js ../lodash.$BUILD.min.js"
-  - "[ $SAUCE_LABS == false ] || $BIN ./test/saucelabs.js name=\"lodash tests\" runner=\"test/index.html?build=../lodash.$BUILD.js&noglobals=true\" tags=\"$BUILD,development\""
-  - "[ $SAUCE_LABS == false ] || $BIN ./test/saucelabs.js name=\"lodash tests\" runner=\"test/index.html?build=../lodash.$BUILD.min.js&noglobals=true\" tags=\"$BUILD,production\""
-  - "[ $SAUCE_LABS == false ] || [ $BUILD != 'compat' ] || $BIN ./test/saucelabs.js name=\"lodash tests\" runner=\"test/index.html?build=../lodash.$BUILD.js\" tags=\"$BUILD,development,ie-compat\" compatMode=7"
-  - "[ $SAUCE_LABS == false ] || [ $BUILD != 'compat' ] || $BIN ./test/saucelabs.js name=\"lodash tests\" runner=\"test/index.html?build=../lodash.$BUILD.min.js\" tags=\"$BUILD,production,ie-compat\" compatMode=7"
-  - "[ $SAUCE_LABS == false ] || $BIN ./test/saucelabs.js name=\"backbone tests\"   runner=\"test/backbone.html?build=../lodash.$BUILD.min.js\" tags=\"$BUILD,production,backbone\""
-  - "[ $SAUCE_LABS == false ] || $BIN ./test/saucelabs.js name=\"backbone tests\"   runner=\"test/backbone.html?build=../lodash.$BUILD.js\" tags=\"$BUILD,development,backbone\""
-  - "[ $SAUCE_LABS == false ] || $BIN ./test/saucelabs.js name=\"underscore tests\" runner=\"test/underscore.html?build=../lodash.$BUILD.min.js\" tags=\"$BUILD,production,underscore\""
-  - "[ $SAUCE_LABS == false ] || $BIN ./test/saucelabs.js name=\"underscore tests\" runner=\"test/underscore.html?build=../lodash.$BUILD.js\" tags=\"$BUILD,development,underscore\""
+  # Detect code coverage.
+  - |
+      if [ $ISTANBUL = true ]; then
+        istanbul cover -x "**/vendor/**" --report lcovonly ./test/test.js -- ./lodash.js
+        if [ $TRAVIS_SECURE_ENV_VARS = true ]; then
+          cat ./coverage/lcov.info | coveralls
+          cat ./coverage/coverage.json | codecov
+        fi
+      fi
+
+  # Test in Node.js and PhantomJS.
+  - |
+      if [ $ISTANBUL = false ]; then
+        node ./node_modules/lodash-cli/bin/lodash -o ./dist/lodash.js
+        node ./node_modules/lodash-cli/bin/lodash modularize exports=node -o ./
+        node ./node_modules/lodash-cli/bin/lodash -d -o ./lodash.js
+        if [ $SAUCE_LABS = false ]; then
+          cd ./test
+          $BIN $OPTION ./test.js ../lodash.js
+          if [ $TRAVIS_SECURE_ENV_VARS = true ]; then
+            $BIN $OPTION ./test.js ../dist/lodash.min.js
+          fi
+        fi
+      fi
+
+  # Test in Sauce Labs.
+  - |
+      if [ $SAUCE_LABS = true ]; then
+        node ./node_modules/lodash-cli/bin/lodash core -o ./dist/lodash.core.js
+        npm run build
+        $BIN ./test/saucelabs.js name="lodash tests"     runner="test/index.html?build=../dist/lodash.js&noglobals=true"     tags=development
+        $BIN ./test/saucelabs.js name="lodash tests"     runner="test/index.html?build=../dist/lodash.min.js&noglobals=true" tags=production
+        $BIN ./test/saucelabs.js name="lodash-fp tests"  runner="test/fp.html?noglobals=true"                                tags=development
+        $BIN ./test/saucelabs.js name="underscore tests" runner="test/underscore.html?build=../dist/lodash.js"               tags=development,underscore
+        $BIN ./test/saucelabs.js name="underscore tests" runner="test/underscore.html?build=../dist/lodash.min.js"           tags=production,underscore
+        $BIN ./test/saucelabs.js name="backbone tests"   runner="test/backbone.html?build=../dist/lodash.js"                 tags=development,backbone
+        $BIN ./test/saucelabs.js name="backbone tests"   runner="test/backbone.html?build=../dist/lodash.min.js"             tags=production,backbone
+        $BIN ./test/saucelabs.js name="backbone tests"   runner="test/backbone.html?build=../dist/lodash.core.js"            tags=development,backbone
+        $BIN ./test/saucelabs.js name="backbone tests"   runner="test/backbone.html?build=../dist/lodash.core.min.js"        tags=production,backbone
+      fi

CHANGELOG

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

CONTRIBUTING.md

@@ -1,39 +0,0 @@
-# Contributing to lodash
-
-If you’d like to contribute a feature or bug fix, you can [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/).
-Please make sure to [search the issue tracker](https://github.com/lodash/lodash/issues) first; your issue may have already been discussed or fixed in `master`.
-
-## Tests
-
-Include updated unit tests in the `test` directory as part of your pull request.
-Don’t worry about regenerating the documentation, lodash.js, or lodash.min.js.
-
-Before running the unit tests you’ll need to install, `npm i`, [development dependencies](https://docs.npmjs.com/files/package.json#devdependencies).
-Run unit tests from the command-line via `node test/test`, or open `test/index.html` in a web browser.
-
-The `test/run-test.sh` script attempts to run the tests in [Rhino](https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Rhino), [RingoJS](http://ringojs.org/), [PhantomJS](http://phantomjs.org/), & [Node](http://nodejs.org/), before running them in your default browser.
-The [Backbone](http://backbonejs.org/) & [Underscore](http://underscorejs.org/) test suites are included as well.
-
-## Contributor License Agreement
-
-lodash is a member of the [Dojo Foundation](http://dojofoundation.org/).
-As such, we request that all contributors sign the Dojo Foundation [contributor license agreement](http://dojofoundation.org/about/claForm).
-
-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/).
-
-## Coding Guidelines
-
-In addition to the following guidelines, please follow the conventions already established in the code.
-
-- **Spacing**:<br>
-  Use two spaces for indentation. No tabs.
-
-- **Naming**:<br>
-  Keep variable & method names concise & descriptive.<br>
-  Variable names `index`, `collection`, & `callback` are preferable to `i`, `arr`, & `fn`.
-
-- **Quotes**:<br>
-  Single-quoted strings are preferred to double-quoted strings; however, please use a double-quoted string if the value contains a single-quote character to avoid unnecessary escaping.
-
-- **Comments**:<br>
-  Please use single-line comments to annotate significant additions, & [JSDoc-style](http://www.2ality.com/2011/08/jsdoc-intro.html) comments for new methods.

LICENSE

@@ -1,7 +1,17 @@
-Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
-Based on Underscore.js, copyright 2009-2015 Jeremy Ashkenas,
+Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
+
+Based on Underscore.js, copyright Jeremy Ashkenas,
 DocumentCloud and Investigative Reporters & Editors <http://underscorejs.org/>
 
+This software consists of voluntary contributions made by many
+individuals. For exact contribution history, see the revision history
+available at https://github.com/lodash/lodash
+
+The following license applies to all parts of this software except as
+documented below:
+
+====
+
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
 "Software"), to deal in the Software without restriction, including
@@ -20,3 +30,18 @@ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+====
+
+Copyright and related rights for sample code are waived via CC0. Sample
+code is defined as all source code displayed within the prose of the
+documentation.
+
+CC0: http://creativecommons.org/publicdomain/zero/1.0/
+
+====
+
+Files located in the node_modules and vendor directories are externally
+maintained libraries used by this software which have their own
+licenses; we recommend you read them, as their terms may differ from the
+terms above.

README.md

@@ -1,29 +1,80 @@
-# lodash v3.6.0
+# lodash v4.17.16
 
-The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash](https://lodash.com/) with packages for [Bower](http://bower.io/), [Component](http://component.github.io/), & [Volo](http://volojs.org/).
+[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/master/.github/CONTRIBUTING.md) |
+[Wiki](https://github.com/lodash/lodash/wiki "Changelog, Roadmap, etc.") |
+[Code of Conduct](https://js.foundation/conduct/) |
+[Twitter](https://twitter.com/bestiejs) |
+[Chat](https://gitter.im/lodash/lodash)
+
+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
-$ lodash modern -o ./lodash.js
+```shell
+$ npm run build
+$ lodash -o ./dist/lodash.js
+$ lodash core -o ./dist/lodash.core.js
 ```
 
-## Community
+## Download
 
-[![Join the chat at https://gitter.im/lodash/lodash](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/lodash/lodash)
+ * [Core build](https://raw.githubusercontent.com/lodash/lodash/4.17.16/dist/lodash.core.js) ([~4 kB gzipped](https://raw.githubusercontent.com/lodash/lodash/4.17.16/dist/lodash.core.min.js))
+ * [Full build](https://raw.githubusercontent.com/lodash/lodash/4.17.16/dist/lodash.js) ([~24 kB gzipped](https://raw.githubusercontent.com/lodash/lodash/4.17.16/dist/lodash.min.js))
+ * [CDN copies](https://www.jsdelivr.com/projects/lodash)
 
-## Module formats
+Lodash is released under the [MIT license](https://raw.githubusercontent.com/lodash/lodash/4.17.16/LICENSE) & supports modern environments.<br>
+Review the [build differences](https://github.com/lodash/lodash/wiki/build-differences) & pick one that’s right for you.
 
-lodash is also available in a variety of other builds & module formats.
+## Installation
 
- * npm packages for [modern](https://www.npmjs.com/package/lodash), [compatibility](https://www.npmjs.com/package/lodash-compat), & [per method](https://www.npmjs.com/browse/keyword/lodash-modularized) builds
- * AMD modules for [modern](https://github.com/lodash/lodash/tree/3.6.0-amd) & [compatibility](https://github.com/lodash/lodash-compat/tree/3.6.0-amd) builds
- * ES modules for the [modern](https://github.com/lodash/lodash/tree/3.6.0-es) build
+In a browser:
+```html
+<script src="lodash.js"></script>
+```
 
-## Further Reading
+Using npm:
+```shell
+$ npm i -g npm
+$ npm i --save lodash
+```
 
-  * [API Documentation](https://lodash.com/docs)
-  * [Build Differences](https://github.com/lodash/lodash/wiki/Build-Differences)
-  * [Changelog](https://github.com/lodash/lodash/wiki/Changelog)
-  * [Release Notes](https://github.com/lodash/lodash/releases)
-  * [Roadmap](https://github.com/lodash/lodash/wiki/Roadmap)
-  * [More Resources](https://github.com/lodash/lodash/wiki/Resources)
+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 at = require('lodash/at');
+var curryN = require('lodash/fp/curryN');
+```
+
+**Note:**<br>
+Install [n_](https://www.npmjs.com/package/n_) for Lodash use in the Node.js < 6 REPL.
+
+## Why Lodash?
+
+Lodash makes JavaScript easier by taking the hassle out of working with arrays,<br>
+numbers, objects, strings, etc. Lodash’s modular methods are great for:
+
+ * Iterating arrays, objects, & strings
+ * Manipulating & testing values
+ * Creating composite functions
+
+## Module Formats
+
+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)

bower.json

@@ -1,20 +0,0 @@
-{
-  "name": "lodash",
-  "version": "3.6.0",
-  "main": "lodash.js",
-  "ignore": [
-    ".*",
-    "*.custom.*",
-    "*.log",
-    "*.map",
-    "*.md",
-    "lodash.src.js",
-    "component.json",
-    "package.json",
-    "doc",
-    "node_modules",
-    "perf",
-    "test",
-    "vendor"
-  ]
-}

component.json

@@ -1,10 +0,0 @@
-{
-  "name": "lodash",
-  "repo": "lodash/lodash",
-  "version": "3.6.0",
-  "description": "The modern build of lodash.",
-  "license": "MIT",
-  "main": "lodash.js",
-  "keywords": ["stdlib", "util"],
-  "scripts": ["lodash.js"]
-}

dist/lodash.core.min.js

@@ -0,0 +1,29 @@
+/**
+ * @license
+ * Lodash (Custom Build) lodash.com/license | Underscore.js 1.8.3 underscorejs.org/LICENSE
+ * Build: `lodash core -o ./dist/lodash.core.js`
+ */
+;(function(){function n(n){return H(n)&&pn.call(n,"callee")&&!yn.call(n,"callee")}function t(n,t){return n.push.apply(n,t),n}function r(n){return function(t){return null==t?Z:t[n]}}function e(n,t,r,e,u){return u(n,function(n,u,o){r=e?(e=false,n):t(r,n,u,o)}),r}function u(n,t){return j(t,function(t){return n[t]})}function o(n){return n instanceof i?n:new i(n)}function i(n,t){this.__wrapped__=n,this.__actions__=[],this.__chain__=!!t}function c(n,t,r){if(typeof n!="function")throw new TypeError("Expected a function");
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dist/lodash.fp.min.js

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dist/lodash.min.js

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+/**
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+ * Lodash <https://lodash.com/>
+ * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
+ * Released under MIT license <https://lodash.com/license>
+ * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
+ * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ */
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+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define([], factory);
+	else if(typeof exports === 'object')
+		exports["mapping"] = factory();
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+		root["mapping"] = factory();
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+/* 0 */
+/***/ (function(module, exports) {
+
+	/** Used to map aliases to their real names. */
+	exports.aliasToReal = {
+
+	  // Lodash aliases.
+	  'each': 'forEach',
+	  'eachRight': 'forEachRight',
+	  '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',
+	  'any': 'some',
+	  'anyPass': 'overSome',
+	  'apply': 'spread',
+	  'assoc': 'set',
+	  'assocPath': 'set',
+	  'complement': 'negate',
+	  'compose': 'flowRight',
+	  'contains': 'includes',
+	  'dissoc': 'unset',
+	  'dissocPath': 'unset',
+	  'dropLast': 'dropRight',
+	  'dropLastWhile': 'dropRightWhile',
+	  'equals': 'isEqual',
+	  'identical': 'eq',
+	  'indexBy': 'keyBy',
+	  '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',
+	  'symmetricDifference': 'xor',
+	  'symmetricDifferenceBy': 'xorBy',
+	  'symmetricDifferenceWith': 'xorWith',
+	  'takeLast': 'takeRight',
+	  'takeLastWhile': 'takeRightWhile',
+	  'unapply': 'rest',
+	  'unnest': 'flatten',
+	  'useWith': 'overArgs',
+	  'where': 'conformsTo',
+	  'whereEq': 'isMatch',
+	  'zipObj': 'zipObject'
+	};
+
+	/** Used to map ary to method names. */
+	exports.aryMethod = {
+	  '1': [
+	    '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', 'zipAll'
+	  ],
+	  '2': [
+	    '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',
+	    'split', 'spreadFrom', 'startsWith', 'subtract', 'sumBy', 'take', 'takeRight',
+	    'takeRightWhile', 'takeWhile', 'tap', 'throttle', 'thru', 'times', 'trimChars',
+	    'trimCharsEnd', 'trimCharsStart', 'truncate', 'union', 'uniqBy', 'uniqWith',
+	    'unset', 'unzipWith', 'without', 'wrap', 'xor', 'zip', 'zipObject',
+	    'zipObjectDeep'
+	  ],
+	  '3': [
+	    'assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith',
+	    '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'
+	  ]
+	};
+
+	/** Used to map ary to rearg configs. */
+	exports.aryRearg = {
+	  '2': [1, 0],
+	  '3': [2, 0, 1],
+	  '4': [3, 2, 0, 1]
+	};
+
+	/** Used to map method names to their iteratee ary. */
+	exports.iterateeAry = {
+	  'dropRightWhile': 1,
+	  'dropWhile': 1,
+	  '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,
+	  '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
+	};
+
+	/** Used to map method names to iteratee rearg configs. */
+	exports.iterateeRearg = {
+	  'mapKeys': [1],
+	  'reduceRight': [1, 0]
+	};
+
+	/** Used to map method names to rearg configs. */
+	exports.methodRearg = {
+	  'assignInAllWith': [1, 0],
+	  'assignInWith': [1, 2, 0],
+	  'assignAllWith': [1, 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, 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 = {
+	  'assignAll': { 'start': 0 },
+	  'assignAllWith': { 'start': 0 },
+	  'assignInAll': { 'start': 0 },
+	  'assignInAllWith': { 'start': 0 },
+	  'defaultsAll': { 'start': 0 },
+	  'defaultsDeepAll': { 'start': 0 },
+	  'invokeArgs': { 'start': 2 },
+	  'invokeArgsMap': { 'start': 2 },
+	  'mergeAll': { 'start': 0 },
+	  'mergeAllWith': { 'start': 0 },
+	  'partial': { 'start': 1 },
+	  'partialRight': { 'start': 1 },
+	  'without': { 'start': 1 },
+	  'zipAll': { 'start': 0 }
+	};
+
+	/** Used to identify methods which mutate arrays or objects. */
+	exports.mutate = {
+	  'array': {
+	    'fill': true,
+	    'pull': true,
+	    'pullAll': true,
+	    'pullAllBy': true,
+	    'pullAllWith': true,
+	    'pullAt': true,
+	    'remove': true,
+	    'reverse': true
+	  },
+	  '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,
+	    'mergeAll': true,
+	    'mergeAllWith': true,
+	    'mergeWith': true,
+	  },
+	  'set': {
+	    'set': true,
+	    'setWith': true,
+	    'unset': true,
+	    'update': true,
+	    'updateWith': true
+	  }
+	};
+
+	/** Used to map real names to their aliases. */
+	exports.realToAlias = (function() {
+	  var hasOwnProperty = Object.prototype.hasOwnProperty,
+	      object = exports.aliasToReal,
+	      result = {};
+
+	  for (var key in object) {
+	    var value = object[key];
+	    if (hasOwnProperty.call(result, value)) {
+	      result[value].push(key);
+	    } else {
+	      result[value] = [key];
+	    }
+	  }
+	  return result;
+	}());
+
+	/** 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',
+	  'zipAll': 'zip'
+	};
+
+	/** Used to track methods that skip fixing their arity. */
+	exports.skipFixed = {
+	  'castArray': true,
+	  'flow': true,
+	  'flowRight': true,
+	  'iteratee': true,
+	  'mixin': true,
+	  'rearg': true,
+	  'runInContext': true
+	};
+
+	/** Used to track methods that skip rearranging arguments. */
+	exports.skipRearg = {
+	  'add': true,
+	  'assign': true,
+	  'assignIn': true,
+	  'bind': true,
+	  'bindKey': true,
+	  'concat': true,
+	  'difference': true,
+	  'divide': true,
+	  'eq': true,
+	  'gt': true,
+	  'gte': true,
+	  'isEqual': true,
+	  'lt': true,
+	  'lte': true,
+	  'matchesProperty': true,
+	  'merge': true,
+	  'multiply': true,
+	  'overArgs': true,
+	  'partial': true,
+	  'partialRight': true,
+	  'propertyOf': true,
+	  'random': true,
+	  'range': true,
+	  'rangeRight': true,
+	  'subtract': true,
+	  'zip': true,
+	  'zipObject': true,
+	  'zipObjectDeep': true
+	};
+
+
+/***/ })
+/******/ ])
+});
+;

fp/_baseConvert.js

@@ -0,0 +1,569 @@
+var mapping = require('./_mapping'),
+    fallbackHolder = require('./placeholder');
+
+/** Built-in value reference. */
+var push = Array.prototype.push;
+
+/**
+ * Creates a function, with an arity of `n`, that invokes `func` with the
+ * arguments it receives.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {number} n The arity of the new function.
+ * @returns {Function} Returns the new function.
+ */
+function baseArity(func, n) {
+  return n == 2
+    ? function(a, b) { return func.apply(undefined, arguments); }
+    : function(a) { return func.apply(undefined, arguments); };
+}
+
+/**
+ * Creates a function that invokes `func`, with up to `n` arguments, ignoring
+ * any additional arguments.
+ *
+ * @private
+ * @param {Function} func The function to cap arguments for.
+ * @param {number} n The arity cap.
+ * @returns {Function} Returns the new function.
+ */
+function baseAry(func, n) {
+  return n == 2
+    ? function(a, b) { return func(a, b); }
+    : function(a) { return func(a); };
+}
+
+/**
+ * Creates a clone of `array`.
+ *
+ * @private
+ * @param {Array} array The array to clone.
+ * @returns {Array} Returns the cloned array.
+ */
+function cloneArray(array) {
+  var length = array ? array.length : 0,
+      result = Array(length);
+
+  while (length--) {
+    result[length] = array[length];
+  }
+  return result;
+}
+
+/**
+ * Creates a function that clones a given object using the assignment `func`.
+ *
+ * @private
+ * @param {Function} func The assignment function.
+ * @returns {Function} Returns the new cloner function.
+ */
+function createCloner(func) {
+  return function(object) {
+    return func({}, object);
+  };
+}
+
+/**
+ * A specialized version of `_.spread` which flattens the spread array into
+ * the arguments of the invoked `func`.
+ *
+ * @private
+ * @param {Function} func The function to spread arguments over.
+ * @param {number} start The start position of the spread.
+ * @returns {Function} Returns the new function.
+ */
+function flatSpread(func, start) {
+  return function() {
+    var length = arguments.length,
+        lastIndex = length - 1,
+        args = Array(length);
+
+    while (length--) {
+      args[length] = arguments[length];
+    }
+    var array = args[start],
+        otherArgs = args.slice(0, start);
+
+    if (array) {
+      push.apply(otherArgs, array);
+    }
+    if (start != lastIndex) {
+      push.apply(otherArgs, args.slice(start + 1));
+    }
+    return func.apply(this, otherArgs);
+  };
+}
+
+/**
+ * Creates a function that wraps `func` and uses `cloner` to clone the first
+ * argument it receives.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {Function} cloner The function to clone arguments.
+ * @returns {Function} Returns the new immutable function.
+ */
+function wrapImmutable(func, cloner) {
+  return function() {
+    var length = arguments.length;
+    if (!length) {
+      return;
+    }
+    var args = Array(length);
+    while (length--) {
+      args[length] = arguments[length];
+    }
+    var result = args[0] = cloner.apply(undefined, args);
+    func.apply(undefined, args);
+    return result;
+  };
+}
+
+/**
+ * The base implementation of `convert` which accepts a `util` object of methods
+ * required to perform conversions.
+ *
+ * @param {Object} util The util object.
+ * @param {string} name The name of the function to convert.
+ * @param {Function} func The function to convert.
+ * @param {Object} [options] The options object.
+ * @param {boolean} [options.cap=true] Specify capping iteratee arguments.
+ * @param {boolean} [options.curry=true] Specify currying.
+ * @param {boolean} [options.fixed=true] Specify fixed arity.
+ * @param {boolean} [options.immutable=true] Specify immutable operations.
+ * @param {boolean} [options.rearg=true] Specify rearranging arguments.
+ * @returns {Function|Object} Returns the converted function or object.
+ */
+function baseConvert(util, name, func, options) {
+  var isLib = typeof name == 'function',
+      isObj = name === Object(name);
+
+  if (isObj) {
+    options = func;
+    func = name;
+    name = undefined;
+  }
+  if (func == null) {
+    throw new TypeError;
+  }
+  options || (options = {});
+
+  var config = {
+    'cap': 'cap' in options ? options.cap : true,
+    'curry': 'curry' in options ? options.curry : true,
+    'fixed': 'fixed' in options ? options.fixed : true,
+    'immutable': 'immutable' in options ? options.immutable : true,
+    'rearg': 'rearg' in options ? options.rearg : true
+  };
+
+  var defaultHolder = isLib ? func : fallbackHolder,
+      forceCurry = ('curry' in options) && options.curry,
+      forceFixed = ('fixed' in options) && options.fixed,
+      forceRearg = ('rearg' in options) && options.rearg,
+      pristine = isLib ? func.runInContext() : undefined;
+
+  var helpers = isLib ? func : {
+    'ary': util.ary,
+    'assign': util.assign,
+    'clone': util.clone,
+    'curry': util.curry,
+    'forEach': util.forEach,
+    'isArray': util.isArray,
+    'isError': util.isError,
+    'isFunction': util.isFunction,
+    'isWeakMap': util.isWeakMap,
+    'iteratee': util.iteratee,
+    'keys': util.keys,
+    'rearg': util.rearg,
+    'toInteger': util.toInteger,
+    'toPath': util.toPath
+  };
+
+  var ary = helpers.ary,
+      assign = helpers.assign,
+      clone = helpers.clone,
+      curry = helpers.curry,
+      each = helpers.forEach,
+      isArray = helpers.isArray,
+      isError = helpers.isError,
+      isFunction = helpers.isFunction,
+      isWeakMap = helpers.isWeakMap,
+      keys = helpers.keys,
+      rearg = helpers.rearg,
+      toInteger = helpers.toInteger,
+      toPath = helpers.toPath;
+
+  var aryMethodKeys = keys(mapping.aryMethod);
+
+  var wrappers = {
+    'castArray': function(castArray) {
+      return function() {
+        var value = arguments[0];
+        return isArray(value)
+          ? castArray(cloneArray(value))
+          : castArray.apply(undefined, arguments);
+      };
+    },
+    'iteratee': function(iteratee) {
+      return function() {
+        var func = arguments[0],
+            arity = arguments[1],
+            result = iteratee(func, arity),
+            length = result.length;
+
+        if (config.cap && typeof arity == 'number') {
+          arity = arity > 2 ? (arity - 2) : 1;
+          return (length && length <= arity) ? result : baseAry(result, arity);
+        }
+        return result;
+      };
+    },
+    'mixin': function(mixin) {
+      return function(source) {
+        var func = this;
+        if (!isFunction(func)) {
+          return mixin(func, Object(source));
+        }
+        var pairs = [];
+        each(keys(source), function(key) {
+          if (isFunction(source[key])) {
+            pairs.push([key, func.prototype[key]]);
+          }
+        });
+
+        mixin(func, Object(source));
+
+        each(pairs, function(pair) {
+          var value = pair[1];
+          if (isFunction(value)) {
+            func.prototype[pair[0]] = value;
+          } else {
+            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);
+      };
+    }
+  };
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * 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) : flatSpread(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`.
+   *
+   * @private
+   * @param {Object} object The object to clone.
+   * @param {Array|string} path The path to clone by.
+   * @returns {Object} Returns the cloned object.
+   */
+  function cloneByPath(object, path) {
+    path = toPath(path);
+
+    var index = -1,
+        length = path.length,
+        lastIndex = length - 1,
+        result = clone(Object(object)),
+        nested = result;
+
+    while (nested != null && ++index < length) {
+      var key = path[index],
+          value = nested[key];
+
+      if (value != null &&
+          !(isFunction(value) || isError(value) || isWeakMap(value))) {
+        nested[key] = clone(index == lastIndex ? value : Object(value));
+      }
+      nested = nested[key];
+    }
+    return result;
+  }
+
+  /**
+   * Converts `lodash` to an immutable auto-curried iteratee-first data-last
+   * version with conversion `options` applied.
+   *
+   * @param {Object} [options] The options object. See `baseConvert` for more details.
+   * @returns {Function} Returns the converted `lodash`.
+   */
+  function convertLib(options) {
+    return _.runInContext.convert(options)(undefined);
+  }
+
+  /**
+   * Create a converter function for `func` of `name`.
+   *
+   * @param {string} name The name of the function to convert.
+   * @param {Function} func The function to convert.
+   * @returns {Function} Returns the new converter function.
+   */
+  function createConverter(name, func) {
+    var realName = mapping.aliasToReal[name] || name,
+        methodName = mapping.remap[realName] || realName,
+        oldOptions = options;
+
+    return function(options) {
+      var newUtil = isLib ? pristine : helpers,
+          newFunc = isLib ? pristine[methodName] : func,
+          newOptions = assign(assign({}, oldOptions), options);
+
+      return baseConvert(newUtil, realName, newFunc, newOptions);
+    };
+  }
+
+  /**
+   * Creates a function that wraps `func` to invoke its iteratee, with up to `n`
+   * arguments, ignoring any additional arguments.
+   *
+   * @private
+   * @param {Function} func The function to cap iteratee arguments for.
+   * @param {number} n The arity cap.
+   * @returns {Function} Returns the new function.
+   */
+  function iterateeAry(func, n) {
+    return overArg(func, function(func) {
+      return typeof func == 'function' ? baseAry(func, n) : func;
+    });
+  }
+
+  /**
+   * Creates a function that wraps `func` to invoke its iteratee with arguments
+   * arranged according to the specified `indexes` where the argument value at
+   * the first index is provided as the first argument, the argument value at
+   * the second index is provided as the second argument, and so on.
+   *
+   * @private
+   * @param {Function} func The function to rearrange iteratee arguments for.
+   * @param {number[]} indexes The arranged argument indexes.
+   * @returns {Function} Returns the new function.
+   */
+  function iterateeRearg(func, indexes) {
+    return overArg(func, function(func) {
+      var n = indexes.length;
+      return baseArity(rearg(baseAry(func, n), indexes), n);
+    });
+  }
+
+  /**
+   * Creates a function that invokes `func` with its first argument transformed.
+   *
+   * @private
+   * @param {Function} func The function to wrap.
+   * @param {Function} transform The argument transform.
+   * @returns {Function} Returns the new function.
+   */
+  function overArg(func, transform) {
+    return function() {
+      var length = arguments.length;
+      if (!length) {
+        return func();
+      }
+      var args = Array(length);
+      while (length--) {
+        args[length] = arguments[length];
+      }
+      var index = config.rearg ? 0 : (length - 1);
+      args[index] = transform(args[index]);
+      return func.apply(undefined, args);
+    };
+  }
+
+  /**
+   * Creates a function that wraps `func` and applys the conversions
+   * rules by `name`.
+   *
+   * @private
+   * @param {string} name The name of the function to wrap.
+   * @param {Function} func The function to wrap.
+   * @returns {Function} Returns the converted function.
+   */
+  function wrap(name, func, placeholder) {
+    var result,
+        realName = mapping.aliasToReal[name] || name,
+        wrapped = func,
+        wrapper = wrappers[realName];
+
+    if (wrapper) {
+      wrapped = wrapper(func);
+    }
+    else if (config.immutable) {
+      if (mapping.mutate.array[realName]) {
+        wrapped = wrapImmutable(func, cloneArray);
+      }
+      else if (mapping.mutate.object[realName]) {
+        wrapped = wrapImmutable(func, createCloner(func));
+      }
+      else if (mapping.mutate.set[realName]) {
+        wrapped = wrapImmutable(func, cloneByPath);
+      }
+    }
+    each(aryMethodKeys, function(aryKey) {
+      each(mapping.aryMethod[aryKey], function(otherName) {
+        if (realName == otherName) {
+          var data = mapping.methodSpread[realName],
+              afterRearg = data && data.afterRearg;
+
+          result = afterRearg
+            ? castFixed(realName, castRearg(realName, wrapped, aryKey), aryKey)
+            : castRearg(realName, castFixed(realName, wrapped, aryKey), aryKey);
+
+          result = castCap(realName, result);
+          result = castCurry(realName, result, aryKey);
+          return false;
+        }
+      });
+      return !result;
+    });
+
+    result || (result = wrapped);
+    if (result == func) {
+      result = forceCurry ? curry(result, 1) : function() {
+        return func.apply(this, arguments);
+      };
+    }
+    result.convert = createConverter(realName, func);
+    result.placeholder = func.placeholder = placeholder;
+
+    return result;
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  if (!isObj) {
+    return wrap(name, func, defaultHolder);
+  }
+  var _ = func;
+
+  // Convert methods by ary cap.
+  var pairs = [];
+  each(aryMethodKeys, function(aryKey) {
+    each(mapping.aryMethod[aryKey], function(key) {
+      var func = _[mapping.remap[key] || key];
+      if (func) {
+        pairs.push([key, wrap(key, func, _)]);
+      }
+    });
+  });
+
+  // Convert remaining methods.
+  each(keys(_), function(key) {
+    var func = _[key];
+    if (typeof func == 'function') {
+      var length = pairs.length;
+      while (length--) {
+        if (pairs[length][0] == key) {
+          return;
+        }
+      }
+      func.convert = createConverter(key, func);
+      pairs.push([key, func]);
+    }
+  });
+
+  // Assign to `_` leaving `_.prototype` unchanged to allow chaining.
+  each(pairs, function(pair) {
+    _[pair[0]] = pair[1];
+  });
+
+  _.convert = convertLib;
+  _.placeholder = _;
+
+  // Assign aliases.
+  each(keys(_), function(key) {
+    each(mapping.realToAlias[key] || [], function(alias) {
+      _[alias] = _[key];
+    });
+  });
+
+  return _;
+}
+
+module.exports = baseConvert;

fp/_convertBrowser.js

@@ -0,0 +1,18 @@
+var baseConvert = require('./_baseConvert');
+
+/**
+ * Converts `lodash` to an immutable auto-curried iteratee-first data-last
+ * version with conversion `options` applied.
+ *
+ * @param {Function} lodash The lodash function to convert.
+ * @param {Object} [options] The options object. See `baseConvert` for more details.
+ * @returns {Function} Returns the converted `lodash`.
+ */
+function browserConvert(lodash, options) {
+  return baseConvert(lodash, lodash, options);
+}
+
+if (typeof _ == 'function' && typeof _.runInContext == 'function') {
+  _ = browserConvert(_.runInContext());
+}
+module.exports = browserConvert;

fp/_mapping.js

@@ -0,0 +1,358 @@
+/** Used to map aliases to their real names. */
+exports.aliasToReal = {
+
+  // Lodash aliases.
+  'each': 'forEach',
+  'eachRight': 'forEachRight',
+  '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',
+  'any': 'some',
+  'anyPass': 'overSome',
+  'apply': 'spread',
+  'assoc': 'set',
+  'assocPath': 'set',
+  'complement': 'negate',
+  'compose': 'flowRight',
+  'contains': 'includes',
+  'dissoc': 'unset',
+  'dissocPath': 'unset',
+  'dropLast': 'dropRight',
+  'dropLastWhile': 'dropRightWhile',
+  'equals': 'isEqual',
+  'identical': 'eq',
+  'indexBy': 'keyBy',
+  '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',
+  'symmetricDifference': 'xor',
+  'symmetricDifferenceBy': 'xorBy',
+  'symmetricDifferenceWith': 'xorWith',
+  'takeLast': 'takeRight',
+  'takeLastWhile': 'takeRightWhile',
+  'unapply': 'rest',
+  'unnest': 'flatten',
+  'useWith': 'overArgs',
+  'where': 'conformsTo',
+  'whereEq': 'isMatch',
+  'zipObj': 'zipObject'
+};
+
+/** Used to map ary to method names. */
+exports.aryMethod = {
+  '1': [
+    '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', 'zipAll'
+  ],
+  '2': [
+    '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',
+    'split', 'spreadFrom', 'startsWith', 'subtract', 'sumBy', 'take', 'takeRight',
+    'takeRightWhile', 'takeWhile', 'tap', 'throttle', 'thru', 'times', 'trimChars',
+    'trimCharsEnd', 'trimCharsStart', 'truncate', 'union', 'uniqBy', 'uniqWith',
+    'unset', 'unzipWith', 'without', 'wrap', 'xor', 'zip', 'zipObject',
+    'zipObjectDeep'
+  ],
+  '3': [
+    'assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith',
+    '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'
+  ]
+};
+
+/** Used to map ary to rearg configs. */
+exports.aryRearg = {
+  '2': [1, 0],
+  '3': [2, 0, 1],
+  '4': [3, 2, 0, 1]
+};
+
+/** Used to map method names to their iteratee ary. */
+exports.iterateeAry = {
+  'dropRightWhile': 1,
+  'dropWhile': 1,
+  '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,
+  '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
+};
+
+/** Used to map method names to iteratee rearg configs. */
+exports.iterateeRearg = {
+  'mapKeys': [1],
+  'reduceRight': [1, 0]
+};
+
+/** Used to map method names to rearg configs. */
+exports.methodRearg = {
+  'assignInAllWith': [1, 0],
+  'assignInWith': [1, 2, 0],
+  'assignAllWith': [1, 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, 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 = {
+  'assignAll': { 'start': 0 },
+  'assignAllWith': { 'start': 0 },
+  'assignInAll': { 'start': 0 },
+  'assignInAllWith': { 'start': 0 },
+  'defaultsAll': { 'start': 0 },
+  'defaultsDeepAll': { 'start': 0 },
+  'invokeArgs': { 'start': 2 },
+  'invokeArgsMap': { 'start': 2 },
+  'mergeAll': { 'start': 0 },
+  'mergeAllWith': { 'start': 0 },
+  'partial': { 'start': 1 },
+  'partialRight': { 'start': 1 },
+  'without': { 'start': 1 },
+  'zipAll': { 'start': 0 }
+};
+
+/** Used to identify methods which mutate arrays or objects. */
+exports.mutate = {
+  'array': {
+    'fill': true,
+    'pull': true,
+    'pullAll': true,
+    'pullAllBy': true,
+    'pullAllWith': true,
+    'pullAt': true,
+    'remove': true,
+    'reverse': true
+  },
+  '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,
+    'mergeAll': true,
+    'mergeAllWith': true,
+    'mergeWith': true,
+  },
+  'set': {
+    'set': true,
+    'setWith': true,
+    'unset': true,
+    'update': true,
+    'updateWith': true
+  }
+};
+
+/** Used to map real names to their aliases. */
+exports.realToAlias = (function() {
+  var hasOwnProperty = Object.prototype.hasOwnProperty,
+      object = exports.aliasToReal,
+      result = {};
+
+  for (var key in object) {
+    var value = object[key];
+    if (hasOwnProperty.call(result, value)) {
+      result[value].push(key);
+    } else {
+      result[value] = [key];
+    }
+  }
+  return result;
+}());
+
+/** 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',
+  'zipAll': 'zip'
+};
+
+/** Used to track methods that skip fixing their arity. */
+exports.skipFixed = {
+  'castArray': true,
+  'flow': true,
+  'flowRight': true,
+  'iteratee': true,
+  'mixin': true,
+  'rearg': true,
+  'runInContext': true
+};
+
+/** Used to track methods that skip rearranging arguments. */
+exports.skipRearg = {
+  'add': true,
+  'assign': true,
+  'assignIn': true,
+  'bind': true,
+  'bindKey': true,
+  'concat': true,
+  'difference': true,
+  'divide': true,
+  'eq': true,
+  'gt': true,
+  'gte': true,
+  'isEqual': true,
+  'lt': true,
+  'lte': true,
+  'matchesProperty': true,
+  'merge': true,
+  'multiply': true,
+  'overArgs': true,
+  'partial': true,
+  'partialRight': true,
+  'propertyOf': true,
+  'random': true,
+  'range': true,
+  'rangeRight': true,
+  'subtract': true,
+  'zip': true,
+  'zipObject': true,
+  'zipObjectDeep': true
+};

fp/placeholder.js

@@ -0,0 +1,6 @@
+/**
+ * The default argument placeholder value for methods.
+ *
+ * @type {Object}
+ */
+module.exports = {};

lib/common/file.js

@@ -0,0 +1,71 @@
+'use strict';
+
+const _ = require('lodash');
+const fs = require('fs-extra');
+const glob = require('glob');
+const path = require('path');
+
+const minify = require('../common/minify.js');
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * Creates a [fs.copy](https://github.com/jprichardson/node-fs-extra#copy)
+ * function with `srcPath` and `destPath` partially applied.
+ *
+ * @memberOf file
+ * @param {string} srcPath The path of the file to copy.
+ * @param {string} destPath The path to copy the file to.
+ * @returns {Function} Returns the partially applied function.
+ */
+function copy(srcPath, destPath) {
+  return _.partial(fs.copy, srcPath, destPath);
+}
+
+/**
+ * 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), (result, filePath) => {
+    const key = path.basename(filePath, path.extname(filePath));
+    result[key] = _.template(fs.readFileSync(filePath, 'utf8'));
+  }, {});
+}
+
+/**
+ * Creates a `minify` function with `srcPath` and `destPath` partially applied.
+ *
+ * @memberOf file
+ * @param {string} srcPath The path of the file to minify.
+ * @param {string} destPath The path to write the file to.
+ * @returns {Function} Returns the partially applied function.
+ */
+function min(srcPath, destPath) {
+  return _.partial(minify, srcPath, destPath);
+}
+
+/**
+ * Creates a [fs.writeFile](https://nodejs.org/api/fs.html#fs_fs_writefile_file_data_options_callback)
+ * function with `filePath` and `data` partially applied.
+ *
+ * @memberOf file
+ * @param {string} destPath The path to write the file to.
+ * @param {string} data The data to write to the file.
+ * @returns {Function} Returns the partially applied function.
+ */
+function write(destPath, data) {
+  return _.partial(fs.writeFile, destPath, data);
+}
+
+/*----------------------------------------------------------------------------*/
+
+module.exports = {
+  copy,
+  globTemplate,
+  min,
+  write
+};

lib/common/mapping.js

@@ -0,0 +1,9 @@
+'use strict';
+
+const _mapping = require('../../fp/_mapping');
+const util = require('./util');
+const Hash = util.Hash;
+
+/*----------------------------------------------------------------------------*/
+
+module.exports = new Hash(_mapping);

lib/common/minify.js

@@ -0,0 +1,39 @@
+'use strict';
+
+const _ = require('lodash');
+const fs = require('fs-extra');
+const uglify = require('uglify-js');
+
+const uglifyOptions = require('./uglify.options');
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * Asynchronously minifies the file at `srcPath`, writes it to `destPath`, and
+ * invokes `callback` upon completion. The callback is invoked with one argument:
+ * (error).
+ *
+ * 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.
+ * @param {Function} callback The function invoked upon completion.
+ * @param {Object} [option] The UglifyJS options object.
+ */
+function minify(srcPath, destPath, callback, options) {
+  if (_.isFunction(destPath)) {
+    if (_.isObject(callback)) {
+      options = callback;
+    }
+    callback = destPath;
+    destPath = undefined;
+  }
+  if (!destPath) {
+    destPath = srcPath.replace(/(?=\.js$)/, '.min');
+  }
+  const output = uglify.minify(srcPath, _.defaults(options || {}, uglifyOptions));
+  fs.writeFile(destPath, output.code, 'utf-8', callback);
+}
+
+module.exports = minify;

lib/common/uglify.options.js

@@ -0,0 +1,22 @@
+'use strict';
+
+/**
+ * The UglifyJS options object for
+ * [compress](https://github.com/mishoo/UglifyJS2#compressor-options),
+ * [mangle](https://github.com/mishoo/UglifyJS2#mangler-options), and
+ * [output](https://github.com/mishoo/UglifyJS2#beautifier-options) options.
+ */
+module.exports = {
+  'compress': {
+    'collapse_vars': true,
+    'negate_iife': false,
+    'pure_getters': true,
+    'unsafe': true,
+    'warnings': false
+  },
+  'output': {
+    'ascii_only': true,
+    'comments': /@license/,
+    'max_line_len': 500
+  }
+};

lib/common/util.js

@@ -0,0 +1,40 @@
+'use strict';
+
+const _ = require('lodash');
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * Creates a hash object. If a `properties` object is provided, its own
+ * enumerable properties are assigned to the created hash.
+ *
+ * @memberOf util
+ * @param {Object} [properties] The properties to assign to the hash.
+ * @returns {Object} Returns the new hash object.
+ */
+function Hash(properties) {
+  return _.transform(properties, (result, value, key) => {
+    result[key] = (_.isPlainObject(value) && !(value instanceof Hash))
+      ? new Hash(value)
+      : value;
+  }, this);
+}
+
+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,
+  pitch
+};

lib/fp/build-dist.js

@@ -0,0 +1,56 @@
+'use strict';
+
+const _ = require('lodash');
+const async = require('async');
+const path = require('path');
+const webpack = require('webpack');
+
+const file = require('../common/file');
+const util = require('../common/util');
+
+const basePath = path.join(__dirname, '..', '..');
+const distPath = path.join(basePath, 'dist');
+const fpPath = path.join(basePath, 'fp');
+const filename = 'lodash.fp.js';
+
+const fpConfig = {
+  'entry': path.join(fpPath, '_convertBrowser.js'),
+  'output': {
+    'path': distPath,
+    'filename': filename,
+    'library': 'fp',
+    'libraryTarget': 'umd'
+  },
+  'plugins': [
+    new webpack.optimize.OccurenceOrderPlugin,
+    new webpack.optimize.DedupePlugin
+  ]
+};
+
+const mappingConfig = {
+  'entry': path.join(fpPath, '_mapping.js'),
+  'output': {
+    'path': distPath,
+    'filename': 'mapping.fp.js',
+    'library': 'mapping',
+    'libraryTarget': 'umd'
+  }
+};
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * 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))
+  ], util.pitch);
+}
+
+build();

lib/fp/build-doc.js

@@ -0,0 +1,78 @@
+'use strict';
+
+const _ = require('lodash');
+const fs = require('fs-extra');
+const path = require('path');
+
+const file = require('../common/file');
+const mapping = require('../common/mapping');
+const util = require('../common/util');
+
+const templatePath = path.join(__dirname, 'template/doc');
+const template = file.globTemplate(path.join(templatePath, '*.jst'));
+
+const argNames = ['a', 'b', 'c', 'd'];
+
+const templateData = {
+  mapping,
+  toArgOrder,
+  toFuncList
+};
+
+/**
+ * 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(', ') + ')`';
+}
+
+/**
+ * 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);
+
+  let result = '`' + _.map(chunks, chunk => chunk.join('`, `') + '`').join(',\n`');
+  if (lastName == null) {
+    return result;
+  }
+  if (_.size(chunks) > 1 || _.size(lastChunk) > 1) {
+    result += ',';
+  }
+  result += ' &';
+  result += _.size(lastChunk) < 5 ? ' ' : '\n';
+  return result + '`' + lastName + '`';
+}
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * 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), util.pitch);
+}
+
+build(_.last(process.argv));

lib/fp/build-modules.js

@@ -0,0 +1,150 @@
+'use strict';
+
+const _ = require('lodash');
+const async = require('async');
+const glob = require('glob');
+const path = require('path');
+
+const file = require('../common/file');
+const mapping = require('../common/mapping');
+const util = require('../common/util');
+
+const templatePath = path.join(__dirname, 'template/modules');
+const template = file.globTemplate(path.join(templatePath, '*.jst'));
+
+const aryMethods = _.union(
+  mapping.aryMethod[1],
+  mapping.aryMethod[2],
+  mapping.aryMethod[3],
+  mapping.aryMethod[4]
+);
+
+const categories = [
+  'array',
+  'collection',
+  'date',
+  'function',
+  'lang',
+  'math',
+  'number',
+  'object',
+  'seq',
+  'string',
+  'util'
+];
+
+const ignored = [
+  '_*.js',
+  'core.js',
+  'core.min.js',
+  'fp.js',
+  'index.js',
+  'lodash.js',
+  'lodash.min.js'
+];
+
+/**
+ * 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);
+}
+
+/**
+ * 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);
+}
+
+/**
+ * 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) {
+  const data = {
+    'name': _.get(mapping.aliasToReal, moduleName, moduleName),
+    'mapping': mapping
+  };
+
+  if (isAlias(moduleName)) {
+    return template.alias(data);
+  }
+  if (isCategory(moduleName)) {
+    return template.category(data);
+  }
+  if (isThru(moduleName)) {
+    return template.thru(data);
+  }
+  return template.module(data);
+}
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * Creates FP modules at the `target` path.
+ *
+ * @private
+ * @param {string} target The output directory path.
+ */
+function build(target) {
+  target = path.resolve(target);
+
+  const fpPath = path.join(target, 'fp');
+
+  // Glob existing lodash module paths.
+  const modulePaths = glob.sync(path.join(target, '*.js'), {
+    'nodir': true,
+    'ignore': ignored.map(filename => {
+      return path.join(target, filename);
+    })
+  });
+
+  // Add FP alias and remapped module paths.
+  _.each([mapping.aliasToReal, mapping.remap], data => {
+    _.forOwn(data, (realName, alias) => {
+      const modulePath = path.join(target, alias + '.js');
+      if (!_.includes(modulePaths, modulePath)) {
+        modulePaths.push(modulePath);
+      }
+    });
+  });
+
+  const actions = modulePaths.map(modulePath => {
+    const moduleName = path.basename(modulePath, '.js');
+    return file.write(path.join(fpPath, moduleName + '.js'), getTemplate(moduleName));
+  });
+
+  actions.unshift(file.copy(path.join(__dirname, '../../fp'), fpPath));
+  actions.push(file.write(path.join(fpPath, '_falseOptions.js'), template._falseOptions()));
+  actions.push(file.write(path.join(fpPath, '_util.js'), template._util()));
+  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, util.pitch);
+}
+
+build(_.last(process.argv));

lib/fp/template/doc/wiki.jst

@@ -0,0 +1,228 @@
+## lodash/fp
+
+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='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 }
+
+// Use `noConflict` to restore the pre-fp variant.
+var fp = _.noConflict();
+
+_.defaults({ 'a': 1 }, { 'a': 2, 'b': 2 });
+// ➜ { 'a': 1, 'b': 2 }
+fp.defaults({ 'a': 2, 'b': 2 })({ 'a': 1 });
+// ➜ { 'a': 1, 'b': 2 }
+</script>
+```
+
+In Node.js:
+```js
+// Load the fp build.
+var fp = require('lodash/fp');
+
+// Load a method category.
+var object = require('lodash/fp/object');
+
+// Load a single method for smaller builds with browserify/rollup/webpack.
+var extend = require('lodash/fp/extend');
+```
+
+## Mapping
+
+Immutable auto-curried iteratee-first data-last methods sound great, but what
+does that really mean for each method? Below is a breakdown of the mapping used
+to convert each method.
+
+#### Capped Iteratee Arguments
+
+Iteratee arguments are capped to avoid gotchas with variadic iteratees.
+```js
+// The `lodash/map` iteratee receives three arguments:
+// (value, index|key, collection)
+_.map(['6', '8', '10'], parseInt);
+// ➜ [6, NaN, 2]
+
+// The `lodash/fp/map` iteratee is capped at one argument:
+// (value)
+fp.map(parseInt)(['6', '8', '10']);
+// ➜ [6, 8, 10]
+```
+
+Methods that cap iteratees to one argument:<br>
+<%= toFuncList(_.keys(_.pickBy(mapping.iterateeAry, _.partial(_.eq, _, 1)))) %>
+
+Methods that cap iteratees to two arguments:<br>
+<%= toFuncList(_.keys(_.pickBy(mapping.iterateeAry, _.partial(_.eq, _, 2)))) %>
+
+The iteratee of `mapKeys` is capped to one argument: `(key)`
+
+#### Fixed Arity
+
+Methods have fixed arities to support auto-currying.
+```js
+// `lodash/padStart` accepts an optional `chars` param.
+_.padStart('a', 3, '-')
+// ➜ '--a'
+
+// `lodash/fp/padStart` does not.
+fp.padStart(3)('a');
+// ➜ '  a'
+fp.padCharsStart('-')(3)('a');
+// ➜ '--a'
+```
+
+Methods with a fixed arity of one:<br>
+<%= toFuncList(_.difference(mapping.aryMethod[1], _.keys(mapping.skipFixed))) %>
+
+Methods with a fixed arity of two:<br>
+<%= toFuncList(_.difference(mapping.aryMethod[2], _.keys(mapping.skipFixed))) %>
+
+Methods with a fixed arity of three:<br>
+<%= toFuncList(_.difference(mapping.aryMethod[3], _.keys(mapping.skipFixed))) %>
+
+Methods with a fixed arity of four:<br>
+<%= toFuncList(_.difference(mapping.aryMethod[4], _.keys(mapping.skipFixed))) %>
+
+#### Rearranged Arguments
+
+Method arguments are rearranged to make composition easier.
+```js
+// `lodash/filter` is data-first iteratee-last:
+// (collection, iteratee)
+var compact = _.partial(_.filter, _, Boolean);
+compact(['a', null, 'c']);
+// ➜ ['a', 'c']
+
+// `lodash/fp/filter` is iteratee-first data-last:
+// (iteratee, collection)
+var compact = fp.filter(Boolean);
+compact(['a', null, 'c']);
+// ➜ ['a', 'c']
+```
+
+##### Most methods follow these rules
+
+A fixed arity of two has an argument order of:<br>
+<%= toArgOrder(mapping.aryRearg[2]) %>
+
+A fixed arity of three has an argument order of:<br>
+<%= toArgOrder(mapping.aryRearg[3]) %>
+
+A fixed arity of four has an argument order of:<br>
+<%= toArgOrder(mapping.aryRearg[4]) %>
+
+##### Exceptions to the rules
+
+Methods that accept an array as their last, second to last, or only argument:<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), methodName => {
+  const orders = mapping.methodRearg[methodName];
+  return ' * `_.' + methodName + '` has an order of ' + toArgOrder(orders);
+}).join('\n') %>
+
+The iteratee of `reduceRight` has an argument order of: `(b, a)`
+
+#### New Methods
+
+Not all variadic methods have corresponding new method variants. Feel free to
+[request](https://github.com/lodash/lodash/blob/master/.github/CONTRIBUTING.md#feature-requests)
+any additions.
+
+Methods created to accommodate Lodash’s variadic methods:<br>
+<%= toFuncList(_.keys(mapping.remap)) %>
+
+#### Aliases
+
+There are <%= _.size(mapping.aliasToReal) %> method aliases:<br>
+<%= _.map(_.keys(mapping.aliasToReal).sort(), alias => {
+  const realName = mapping.aliasToReal[alias];
+  return ' * `_.' + alias + '` is an alias of `_.' + realName + '`';
+}).join('\n') %>
+
+## Placeholders
+
+The placeholder argument, which defaults to `_`, may be used to fill in method
+arguments in a different order. Placeholders are filled by the first available
+arguments of the curried returned function.
+```js
+// The equivalent of `2 > 5`.
+_.gt(2)(5);
+// ➜ false
+
+// The equivalent of `_.gt(5, 2)` or `5 > 2`.
+_.gt(_, 2)(5);
+// ➜ true
+```
+
+## Chaining
+
+The `lodash/fp` module **does not** convert chain sequence methods. See
+[Izaak Schroeder’s article](https://medium.com/making-internets/why-using-chain-is-a-mistake-9bc1f80d51ba)
+on using functional composition as an alternative to method chaining.
+
+## Convert
+
+Although `lodash/fp` & its method modules come pre-converted, there are times
+when you may want to customize the conversion. That’s when the `convert` method
+comes in handy.
+```js
+// Every option is `true` by default.
+var _fp = fp.convert({
+  // Specify capping iteratee arguments.
+  'cap': true,
+  // Specify currying.
+  'curry': true,
+  // Specify fixed arity.
+  'fixed': true,
+  // Specify immutable operations.
+  'immutable': true,
+  // Specify rearranging arguments.
+  'rearg': true
+});
+
+// The `convert` method is available on each method too.
+var mapValuesWithKey = fp.mapValues.convert({ 'cap': false });
+
+// Here’s an example of disabling iteratee argument caps to access the `key` param.
+mapValuesWithKey(function(value, key) {
+  return key == 'a' ? -1 : value;
+})({ 'a': 1, 'b': 1 });
+// => { 'a': -1, 'b': 1 }
+```
+
+Manual conversions are also possible with the `convert` module.
+```js
+var convert = require('lodash/fp/convert');
+
+// Convert by name.
+var assign = convert('assign', require('lodash.assign'));
+
+// Convert by object.
+var fp = convert({
+  'assign': require('lodash.assign'),
+  'chunk': require('lodash.chunk')
+});
+
+// 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/_falseOptions.jst

@@ -0,0 +1,7 @@
+module.exports = {
+  'cap': false,
+  'curry': false,
+  'fixed': false,
+  'immutable': false,
+  'rearg': false
+};

lib/fp/template/modules/_util.jst

@@ -0,0 +1,16 @@
+module.exports = {
+  'ary': require('../ary'),
+  'assign': require('../_baseAssign'),
+  'clone': require('../clone'),
+  'curry': require('../curry'),
+  'forEach': require('../_arrayEach'),
+  'isArray': require('../isArray'),
+  'isError': require('../isError'),
+  'isFunction': require('../isFunction'),
+  'isWeakMap': require('../isWeakMap'),
+  'iteratee': require('../iteratee'),
+  'keys': require('../_baseKeys'),
+  'rearg': require('../rearg'),
+  'toInteger': require('../toInteger'),
+  'toPath': require('../toPath')
+};

lib/fp/template/modules/alias.jst

@@ -0,0 +1 @@
+module.exports = require('./<%= name %>');

lib/fp/template/modules/category.jst

@@ -0,0 +1,2 @@
+var convert = require('./convert');
+module.exports = convert(require('../<%= name %>'));

lib/fp/template/modules/convert.jst

@@ -0,0 +1,18 @@
+var baseConvert = require('./_baseConvert'),
+    util = require('./_util');
+
+/**
+ * Converts `func` of `name` to an immutable auto-curried iteratee-first data-last
+ * version with conversion `options` applied. If `name` is an object its methods
+ * will be converted.
+ *
+ * @param {string} name The name of the function to wrap.
+ * @param {Function} [func] The function to wrap.
+ * @param {Object} [options] The options object. See `baseConvert` for more details.
+ * @returns {Function|Object} Returns the converted function or object.
+ */
+function convert(name, func, options) {
+  return baseConvert(util, name, func, options);
+}
+
+module.exports = convert;

lib/fp/template/modules/fp.jst

@@ -0,0 +1,2 @@
+var _ = require('./lodash.min').runInContext();
+module.exports = require('./fp/_baseConvert')(_, _);

lib/fp/template/modules/module.jst

@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('<%= name %>', require('../<%= _.get(mapping.remap, name, name) %>'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;

lib/fp/template/modules/thru.jst

@@ -0,0 +1,5 @@
+var convert = require('./convert'),
+    func = convert('<%= name %>', require('../<%= _.get(mapping.remap, name, name) %>'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;

lib/main/build-dist.js

@@ -0,0 +1,31 @@
+'use strict';
+
+const async = require('async');
+const path = require('path');
+
+const file = require('../common/file');
+const util = require('../common/util');
+
+const basePath = path.join(__dirname, '..', '..');
+const distPath = path.join(basePath, 'dist');
+const filename = 'lodash.js';
+
+const baseLodash = path.join(basePath, filename);
+const distLodash = path.join(distPath, filename);
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * 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)
+  ], util.pitch);
+}
+
+build();

lib/main/build-doc.js

@@ -0,0 +1,83 @@
+'use strict';
+
+const _ = require('lodash');
+const docdown = require('docdown');
+const fs = require('fs-extra');
+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 pkg = require('../../package.json');
+const version = pkg.version;
+
+const config = {
+  'base': {
+    'path': path.join(basePath, 'lodash.js'),
+    'title': `<a href="https://lodash.com/">lodash</a> <span>v${ version }</span>`,
+    'toc': 'categories',
+    'url': `https://github.com/lodash/lodash/blob/${ version }/lodash.js`
+  },
+  'github': {
+    'style': 'github',
+    'sublinks': [npmLink('&#x24C3;', 'See the npm package')]
+  },
+  'site': {
+    'entryLink': '<a href="${entryHref}" class="fa fa-link"></a>',
+    'sourceLink': '[source](${sourceHref})',
+    'tocHref': '',
+    'tocLink': '',
+    'sublinks': [npmLink('npm package')]
+  }
+};
+
+/**
+ * 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]');
+}
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * Creates the documentation markdown formatted for 'github' or 'site'.
+ *
+ * @private
+ * @param {string} type The format type.
+ */
+function build(type) {
+  const options = _.defaults({}, config.base, config[type]);
+  const markdown = docdown(options);
+
+  fs.writeFile(readmePath, postprocess(markdown), util.pitch);
+}
+
+build(_.last(process.argv));

lib/main/build-modules.js

@@ -0,0 +1,34 @@
+'use strict';
+
+const _ = require('lodash');
+const async = require('async');
+const path = require('path');
+
+const file = require('../common/file');
+const util = require('../common/util');
+
+const basePath = path.join(__dirname, '..', '..');
+const distPath = path.join(basePath, 'dist');
+
+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']
+];
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * Creates supplementary Lodash modules at the `target` path.
+ *
+ * @private
+ * @param {string} target The output directory path.
+ */
+function build(target) {
+  const actions = _.map(filePairs, pair =>
+    file.copy(pair[0], path.join(target, pair[1])));
+
+  async.series(actions, util.pitch);
+}
+
+build(_.last(process.argv));

lib/main/build-site.js

@@ -0,0 +1,224 @@
+'use strict';
+
+const _ = require('lodash');
+const cheerio = require('cheerio');
+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'
+  ]
+};
+
+const exts = _.keys(highlights);
+
+/**
+ * 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 classes = $parent.find('.source,.text').first().attr('class').split(' ');
+    const ext = _(classes).intersection(exts).last();
+
+    $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 = _(classes).intersection(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')
+    // Convert source and npm package links to anchors.
+    .replace(/\[source\]\(([^)]+)\) \[npm package\]\(([^)]+)\)/g, (match, href1, href2) =>
+      `<p><a href="${ href1 }">source</a> <a href="${ href2 }">npm package</a></p>`
+    );
+
+  const $ = cheerio.load(marky(markdown, {
+    'enableHeadingLinkIcons': false,
+    '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();

lodash.min.js

@@ -1,89 +0,0 @@
-/**
- * @license
- * lodash 3.6.0 (Custom Build) lodash.com/license | Underscore.js 1.8.2 underscorejs.org/LICENSE
- * Build: `lodash modern -o ./lodash.js`
- */
-;(function(){function n(n,t){if(n!==t){var r=n===n,e=t===t;if(n>t||!r||typeof n=="undefined"&&e)return 1;if(n<t||!e||typeof t=="undefined"&&r)return-1}return 0}function t(n,t,r){for(var e=n.length,u=r?e:-1;r?u--:++u<e;)if(t(n[u],u,n))return u;return-1}function r(n,t,r){if(t!==t)return s(n,r);r-=1;for(var e=n.length;++r<e;)if(n[r]===t)return r;return-1}function e(n){return typeof n=="function"||false}function u(n){return typeof n=="string"?n:null==n?"":n+""}function o(n){return n.charCodeAt(0)}function i(n,t){for(var r=-1,e=n.length;++r<e&&-1<t.indexOf(n.charAt(r)););return r
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package.json

@@ -1,33 +1,66 @@
 {
   "name": "lodash",
-  "version": "3.6.0",
-  "main": "lodash.src.js",
+  "version": "4.17.16",
+  "license": "MIT",
   "private": true,
-  "devDependencies": {
-    "curl-amd": "0.8.12",
-    "dojo": "~1.10.0",
-    "jquery": "~1.11.0",
-    "platform": "~1.3.0",
-    "qunit-extras": "~1.4.0",
-    "qunitjs": "~1.17.0",
-    "requirejs": "~2.1.0"
+  "main": "lodash.js",
+  "engines": {
+    "node": ">=4.0.0"
   },
-  "volo": {
-    "type": "directory",
+  "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 && 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@^9.0.1 && 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",
+    "style:main": "jscs lodash.js",
+    "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": "^2.6.3",
+    "benchmark": "^2.1.3",
+    "chalk": "^1.1.3",
+    "cheerio": "^0.22.0",
+    "codecov.io": "~0.1.6",
+    "coveralls": "^2.11.15",
+    "curl-amd": "~0.8.12",
+    "docdown": "~0.7.2",
+    "dojo": "^1.15.0",
+    "ecstatic": "^2.2.2",
+    "fs-extra": "~1.0.0",
+    "glob": "^7.1.4",
+    "istanbul": "0.4.5",
+    "jquery": "^3.4.1",
+    "jscs": "^3.0.7",
+    "lodash": "4.17.14",
+    "lodash-doc-globals": "^0.1.1",
+    "markdown-doctest": "^0.9.1",
+    "optional-dev-dependency": "^2.0.0",
+    "platform": "^1.3.3",
+    "qunit-extras": "^3.0.0",
+    "qunitjs": "^2.1.0",
+    "request": "^2.88.0",
+    "requirejs": "^2.3.6",
+    "sauce-tunnel": "^2.5.0",
+    "uglify-js": "2.7.5",
+    "webpack": "^1.14.0"
+  },
+  "greenkeeper": {
     "ignore": [
-      ".*",
-      "*.custom.*",
-      "*.log",
-      "*.map",
-      "*.md",
-      "lodash.src.js",
-      "bower.json",
-      "component.json",
-      "doc",
-      "node_modules",
-      "perf",
-      "test",
-      "vendor"
+      "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,
@@ -58,10 +39,7 @@
     span1.innerHTML =
       '<label for="perf-build">Build: </label>' +
       '<select id="perf-build">' +
-      '<option value="lodash-compat">lodash (compat)</option>' +
-      '<option value="lodash-modern">lodash (modern)</option>' +
-      '<option value="lodash-custom-dev">lodash (custom development)</option>' +
-      '<option value="lodash-custom">lodash (custom production)</option>' +
+      '<option value="lodash">lodash (production)</option>' +
       '</select>';
 
     var span2 = document.createElement('span');
@@ -71,10 +49,7 @@
       '<select id="perf-other">' +
       '<option value="underscore-dev">Underscore (development)</option>' +
       '<option value="underscore">Underscore (production)</option>' +
-      '<option value="lodash-compat">lodash (compat)</option>' +
-      '<option value="lodash-modern">lodash (modern)</option>' +
-      '<option value="lodash-custom-dev">lodash (custom development)</option>' +
-      '<option value="lodash-custom">lodash (custom production)</option>' +
+      '<option value="lodash">lodash</option>' +
       '</select>';
 
     var buildList = span1.lastChild,
@@ -86,11 +61,8 @@
 
     buildList.selectedIndex = (function() {
       switch (build) {
-        case 'lodash-compat':     return 0;
-        case 'lodash-custom-dev': return 2;
-        case 'lodash-custom':     return 3;
-        case 'lodash-modern':
-        case null:                return 1;
+        case 'lodash':
+        case null:                return 0;
       }
       return -1;
     }());
@@ -98,29 +70,23 @@
     otherList.selectedIndex = (function() {
       switch (other) {
         case 'underscore-dev':    return 0;
-        case 'lodash-compat':     return 2;
-        case 'lodash-modern':     return 3;
-        case 'lodash-custom-dev': return 4;
-        case 'lodash-custom':     return 5;
+        case 'lodash':            return 2;
         case 'underscore':
         case null:                return 1;
       }
       return -1;
     }());
 
-    addListener(buildList, 'change', eventHandler);
-    addListener(otherList, 'change', eventHandler);
+    buildList.addEventListener('change', eventHandler);
+    otherList.addEventListener('change', eventHandler);
   });
 
   // The lodash build file path.
   ui.buildPath = (function() {
     var result;
     switch (build) {
-      case 'lodash-compat':     result = 'lodash.compat.min.js'; break;
-      case 'lodash-custom-dev': result = 'lodash.custom.js'; break;
-      case 'lodash-custom':     result = 'lodash.custom.min.js'; break;
-      case null:                build  = 'lodash-modern';
-      case 'lodash-modern':     result = 'lodash.min.js'; break;
+      case null:                build  = 'lodash';
+      case 'lodash':            result = 'dist/lodash.min.js'; break;
       default:                  return build;
     }
     return basePath + result;
@@ -130,10 +96,7 @@
   ui.otherPath = (function() {
     var result;
     switch (other) {
-      case 'lodash-compat':     result = 'lodash.compat.min.js'; break;
-      case 'lodash-modern':     result = 'lodash.min.js'; break;
-      case 'lodash-custom-dev': result = 'lodash.custom.js'; break;
-      case 'lodash-custom':     result = 'lodash.custom.min.js'; break;
+      case 'lodash':            result = 'dist/lodash.min.js'; break;
       case 'underscore-dev':    result = 'vendor/underscore/underscore.js'; break;
       case null:                other  = 'underscore';
       case 'underscore':        result = 'vendor/underscore/underscore-min.js'; break;

perf/index.html

@@ -1,82 +1,80 @@
 <!doctype html>
 <html lang="en">
-	<head>
-		<meta charset="utf-8">
-		<title>lodash Performance Suite</title>
-		<style>
-			html, body {
-				margin: 0;
-				padding: 0;
-				height: 100%;
-			}
-			applet {
-				position: absolute;
-				left: -9999em;
-			}
-			#FirebugUI {
-				top: 2em;
-			}
-			#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;
-				overflow: hidden;
-			}
-		</style>
-	</head>
-	<body>
-		<div id="perf-toolbar"></div>
-		<script src="../node_modules/platform/platform.js"></script>
-		<script src="../lodash.src.js"></script>
-		<script src="../vendor/benchmark.js/benchmark.js"></script>
-		<script src="../vendor/firebug-lite/src/firebug-lite-debug.js"></script>
-		<script src="./asset/perf-ui.js"></script>
-		<script>
-			document.write('<script src="' + ui.buildPath + '"><\/script>');
-		</script>
-		<script>
-			var lodash = _.noConflict();
-		</script>
-		<script>
-			document.write('<script src="' + ui.otherPath + '"><\/script>');
-		</script>
-		<script src="perf.js"></script>
-		<script>
-			(function() {
-				var measured,
-				    perfNow,
-				    begin = new Date;
+  <head>
+    <meta charset="utf-8">
+    <title>lodash Performance Suite</title>
+    <style>
+      html, body {
+        margin: 0;
+        padding: 0;
+        height: 100%;
+      }
+      #FirebugUI {
+        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 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>
+    <div id="perf-toolbar"></div>
+    <script src="../lodash.js"></script>
+    <script src="../node_modules/platform/platform.js"></script>
+    <script src="../node_modules/benchmark/benchmark.js"></script>
+    <script src="../vendor/firebug-lite/src/firebug-lite-debug.js"></script>
+    <script src="./asset/perf-ui.js"></script>
+    <script>
+      document.write('<script src="' + ui.buildPath + '"><\/script>');
+    </script>
+    <script>
+      var lodash = _.noConflict();
+    </script>
+    <script>
+      document.write('<script src="' + ui.otherPath + '"><\/script>');
+    </script>
+    <script src="perf.js"></script>
+    <script>
+      (function() {
+        var measured,
+            perfNow,
+            begin = new Date;
 
-				function init() {
-					var fbUI = document.getElementById('FirebugUI'),
-					    fbDoc = fbUI && (fbDoc = fbUI.contentWindow || fbUI.contentDocument).document || fbDoc,
-					    fbCommandLine = fbDoc && fbDoc.getElementById('fbCommandLine');
+        function init() {
+          var fbUI = document.getElementById('FirebugUI'),
+              fbDoc = fbUI && (fbDoc = fbUI.contentWindow || fbUI.contentDocument).document || fbDoc,
+              fbCommandLine = fbDoc && fbDoc.getElementById('fbCommandLine');
 
-					if (!fbCommandLine) {
-						return setTimeout(init, 15);
-					}
-					fbUI.style.height = (
-					  Math.max(document.documentElement.clientHeight, document.body.clientHeight) -
-					  document.getElementById('perf-toolbar').clientHeight
-					) + 'px';
+          if (!fbCommandLine) {
+            return setTimeout(init, 15);
+          }
+          fbUI.style.height = (
+            Math.max(document.documentElement.clientHeight, document.body.clientHeight) -
+            document.getElementById('perf-toolbar').clientHeight
+          ) + 'px';
 
-					fbDoc.body.style.height = fbDoc.documentElement.style.height = '100%';
-					setTimeout(run, 15);
-				}
+          fbDoc.body.style.height = fbDoc.documentElement.style.height = '100%';
+          setTimeout(run, 15);
+        }
 
-				// is the applet permitted?
-				if (!/[?&]nojava=true(?:&|$)/.test(location.search)) {
-					// is the applet really needed?
-					while (!(measured = new Date - begin)) {}
-					if (measured > 1 && !((perfNow = window.performance) && typeof (perfNow.now || perfNow.webkitNow) == 'function')) {
-						// load applet
-						document.write('<applet code="nano" archive="../vendor/benchmark.js/nano.jar"></applet>');
-					}
-				}
-				window.onload = init;
-			}());
-		</script>
-	</body>
+        window.onload = init;
+      }());
+    </script>
+  </body>
 </html>

perf/perf.js

@@ -1,4 +1,5 @@
 ;(function() {
+  'use strict';
 
   /** Used to access the Firebug Lite panel (set by `run`). */
   var fbPanel;
@@ -18,7 +19,7 @@
       params = root.arguments,
       system = root.system;
 
-  /** Add `console.log()` support for Narwhal, Rhino, and RingoJS. */
+  /** Add `console.log()` support for Rhino and RingoJS. */
   var console = root.console || (root.console = { 'log': root.print });
 
   /** The file path of the lodash file to test. */
@@ -38,16 +39,16 @@
       result = params;
     }
     var last = result[result.length - 1];
-    result = (result.length > min && !/perf(?:\.js)?$/.test(last)) ? last : '../lodash.src.js';
+    result = (result.length > min && !/perf(?:\.js)?$/.test(last)) ? last : '../lodash.js';
 
     if (!amd) {
       try {
         result = require('fs').realpathSync(result);
-      } catch(e) {}
+      } catch (e) {}
 
       try {
         result = require.resolve(result);
-      } catch(e) {}
+      } catch (e) {}
     }
     return result;
   }());
@@ -82,19 +83,10 @@
   /** Used to queue benchmark suites. */
   var suites = [];
 
-  /** Used to resolve a value's internal [[Class]]. */
-  var toString = Object.prototype.toString;
-
-  /** Detect if in a browser environment. */
-  var isBrowser = isHostType(root, 'document') && isHostType(root, 'navigator');
-
-  /** Detect if in a Java environment. */
-  var isJava = !isBrowser && /Java/.test(toString.call(root.java));
-
   /** Use a single "load" function. */
   var load = (typeof require == 'function' && !amd)
     ? require
-    : (isJava && root.load) || noop;
+    : noop;
 
   /** Load lodash. */
   var lodash = root.lodash || (root.lodash = (
@@ -104,19 +96,19 @@
     lodash.noConflict()
   ));
 
-  /** Load Benchmark.js. */
-  var Benchmark = root.Benchmark || (root.Benchmark = (
-    Benchmark = load('../vendor/benchmark.js/benchmark.js') || root.Benchmark,
-    Benchmark = Benchmark.Benchmark || Benchmark,
-    Benchmark.runInContext(lodash.extend({}, root, { '_': lodash }))
-  ));
-
   /** Load Underscore. */
-  var _ = root._ || (root._ = (
+  var _ = root.underscore || (root.underscore = (
     _ = load('../vendor/underscore/underscore.js') || root._,
     _._ || _
   ));
 
+  /** Load Benchmark.js. */
+  var Benchmark = root.Benchmark || (root.Benchmark = (
+    Benchmark = load('../node_modules/benchmark/benchmark.js') || root.Benchmark,
+    Benchmark = Benchmark.Benchmark || Benchmark,
+    Benchmark.runInContext(lodash.extend({}, root, { '_': lodash }))
+  ));
+
   /*--------------------------------------------------------------------------*/
 
   /**
@@ -205,7 +197,7 @@
       fbPanel.getElementById('fbPanel1');
 
     log('\nSit back and relax, this may take a while.');
-    suites[0].run({ 'async': !isJava });
+    suites[0].run({ 'async': true });
   }
 
   /*--------------------------------------------------------------------------*/
@@ -258,7 +250,7 @@
 
       if (suites.length) {
         // Run next suite.
-        suites[0].run({ 'async': !isJava });
+        suites[0].run({ 'async': true });
       }
       else {
         var aMeanHz = getGeometricMean(score.a),
@@ -284,7 +276,7 @@
   lodash.extend(Benchmark.options, {
     'async': true,
     'setup': '\
-      var _ = global._,\
+      var _ = global.underscore,\
           lodash = global.lodash,\
           belt = this.name == buildName ? lodash : _;\
       \
@@ -306,6 +298,10 @@
       }\
       var strNumbers = numbers + "";\
       \
+      if (typeof assign != "undefined") {\
+        var _assign = _.assign || _.extend,\
+            lodashAssign = lodash.assign;\
+      }\
       if (typeof bind != "undefined") {\
         var thisArg = { "name": "fred" };\
         \
@@ -347,8 +343,8 @@
             square = function(v) { return v * v; };\
         \
         var largeArray = belt.range(10000),\
-            _chaining = _.chain ? _(largeArray).chain() : _(largeArray),\
-            lodashChaining = lodash(largeArray);\
+            _chaining = _(largeArray).chain(),\
+            lodashChaining = lodash(largeArray).chain();\
       }\
       if (typeof compact != "undefined") {\
         var uncompacted = numbers.slice();\
@@ -356,13 +352,13 @@
         uncompacted[6] = null;\
         uncompacted[18] = "";\
       }\
-      if (typeof compose != "undefined") {\
+      if (typeof flowRight != "undefined") {\
         var compAddOne = function(n) { return n + 1; },\
             compAddTwo = function(n) { return n + 2; },\
             compAddThree = function(n) { return n + 3; };\
         \
-        var _composed = _.compose(compAddThree, compAddTwo, compAddOne),\
-            lodashComposed = lodash.compose(compAddThree, compAddTwo, compAddOne);\
+        var _composed = _.flowRight && _.flowRight(compAddThree, compAddTwo, compAddOne),\
+            lodashComposed = lodash.flowRight && lodash.flowRight(compAddThree, compAddTwo, compAddOne);\
       }\
       if (typeof countBy != "undefined" || typeof omit != "undefined") {\
         var wordToNumber = {\
@@ -457,11 +453,8 @@
       if (typeof matches != "undefined") {\
         var source = { "num": 9 };\
         \
-        var _findWhere = _.findWhere || _.find,\
-            _match = (_.matches || _.createCallback || _.noop)(source);\
-        \
-        var lodashFindWhere = lodash.findWhere || lodash.find,\
-            lodashMatch = (lodash.matches || lodash.createCallback || lodash.noop)(source);\
+        var _matcher = (_.matches || _.noop)(source),\
+            lodashMatcher = (lodash.matches || lodash.noop)(source);\
       }\
       if (typeof multiArrays != "undefined") {\
         var twentyValues = belt.shuffle(belt.range(20)),\
@@ -564,6 +557,32 @@
 
   /*--------------------------------------------------------------------------*/
 
+  suites.push(
+    Benchmark.Suite('`_.assign`')
+      .add(buildName, {
+        'fn': 'lodashAssign({}, { "a": 1, "b": 2, "c": 3 })',
+        'teardown': 'function assign(){}'
+      })
+      .add(otherName, {
+        'fn': '_assign({}, { "a": 1, "b": 2, "c": 3 })',
+        'teardown': 'function assign(){}'
+      })
+  );
+
+  suites.push(
+    Benchmark.Suite('`_.assign` with multiple sources')
+      .add(buildName, {
+        'fn': 'lodashAssign({}, { "a": 1, "b": 2 }, { "c": 3, "d": 4 })',
+        'teardown': 'function assign(){}'
+      })
+      .add(otherName, {
+        'fn': '_assign({}, { "a": 1, "b": 2 }, { "c": 3, "d": 4 })',
+        'teardown': 'function assign(){}'
+      })
+  );
+
+  /*--------------------------------------------------------------------------*/
+
   suites.push(
     Benchmark.Suite('`_.bind` (slow path)')
       .add(buildName, {
@@ -615,25 +634,13 @@
   /*--------------------------------------------------------------------------*/
 
   suites.push(
-    Benchmark.Suite('`_.bindAll` iterating arguments')
+    Benchmark.Suite('`_.bindAll`')
       .add(buildName, {
-        'fn': 'lodash.bindAll.apply(lodash, [bindAllObjects[++bindAllCount]].concat(funcNames))',
+        'fn': 'lodash.bindAll(bindAllObjects[++bindAllCount], funcNames)',
         'teardown': 'function bindAll(){}'
       })
       .add(otherName, {
-        'fn': '_.bindAll.apply(_, [bindAllObjects[++bindAllCount]].concat(funcNames))',
-        'teardown': 'function bindAll(){}'
-      })
-  );
-
-  suites.push(
-    Benchmark.Suite('`_.bindAll` iterating the `object`')
-      .add(buildName, {
-        'fn': 'lodash.bindAll(bindAllObjects[++bindAllCount])',
-        'teardown': 'function bindAll(){}'
-      })
-      .add(otherName, {
-        'fn': '_.bindAll(bindAllObjects[++bindAllCount])',
+        'fn': '_.bindAll(bindAllObjects[++bindAllCount], funcNames)',
         'teardown': 'function bindAll(){}'
       })
   );
@@ -676,32 +683,6 @@
 
   /*--------------------------------------------------------------------------*/
 
-  suites.push(
-    Benchmark.Suite('`_.compose`')
-      .add(buildName, {
-        'fn': 'lodash.compose(compAddThree, compAddTwo, compAddOne)',
-        'teardown': 'function compose(){}'
-      })
-      .add(otherName, {
-        'fn': '_.compose(compAddThree, compAddTwo, compAddOne)',
-        'teardown': 'function compose(){}'
-      })
-  );
-
-  suites.push(
-    Benchmark.Suite('composed call')
-      .add(buildName, {
-        'fn': 'lodashComposed(0)',
-        'teardown': 'function compose(){}'
-      })
-      .add(otherName, {
-        'fn': '_composed(0)',
-        'teardown': 'function compose(){}'
-      })
-  );
-
-  /*--------------------------------------------------------------------------*/
-
   suites.push(
     Benchmark.Suite('`_.countBy` with `callback` iterating an array')
       .add(buildName, '\
@@ -802,22 +783,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.each` iterating an array with `thisArg` (slow path)')
-      .add(buildName, '\
-        var result = [];\
-        lodash.each(numbers, function(num, index) {\
-          result.push(num + this["key" + index]);\
-        }, object)'
-      )
-      .add(otherName, '\
-        var result = [];\
-        _.each(numbers, function(num, index) {\
-          result.push(num + this["key" + index]);\
-        }, object)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.each` iterating an object')
       .add(buildName, '\
@@ -866,18 +831,6 @@
 
   /*--------------------------------------------------------------------------*/
 
-  suites.push(
-    Benchmark.Suite('`_.extend`')
-      .add(buildName, '\
-        lodash.extend({}, object)'
-      )
-      .add(otherName, '\
-        _.extend({}, object)'
-      )
-  );
-
-  /*--------------------------------------------------------------------------*/
-
   suites.push(
     Benchmark.Suite('`_.filter` iterating an array')
       .add(buildName, '\
@@ -892,20 +845,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.filter` iterating an array with `thisArg` (slow path)')
-      .add(buildName, '\
-        lodash.filter(numbers, function(num, index) {\
-          return this["key" + index] % 2;\
-        }, object)'
-      )
-      .add(otherName, '\
-        _.filter(numbers, function(num, index) {\
-           return this["key" + index] % 2;\
-        }, object)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.filter` iterating an object')
       .add(buildName, '\
@@ -920,6 +859,30 @@
       )
   );
 
+  suites.push(
+    Benchmark.Suite('`_.filter` with `_.matches` shorthand')
+      .add(buildName, {
+        'fn': 'lodash.filter(objects, source)',
+        'teardown': 'function matches(){}'
+      })
+      .add(otherName, {
+        'fn': '_.filter(objects, source)',
+        'teardown': 'function matches(){}'
+      })
+  );
+
+  suites.push(
+    Benchmark.Suite('`_.filter` with `_.matches` predicate')
+      .add(buildName, {
+        'fn': 'lodash.filter(objects, lodashMatcher)',
+        'teardown': 'function matches(){}'
+      })
+      .add(otherName, {
+        'fn': '_.filter(objects, _matcher)',
+        'teardown': 'function matches(){}'
+      })
+  );
+
   /*--------------------------------------------------------------------------*/
 
   suites.push(
@@ -950,20 +913,18 @@
       )
   );
 
-  // Avoid Underscore induced `OutOfMemoryError` in Rhino, Narwhal, and Ringo.
-  if (!isJava) {
-    suites.push(
-      Benchmark.Suite('`_.find` with `properties`')
-        .add(buildName, {
-          'fn': 'lodashFindWhere(objects, source)',
-          'teardown': 'function matches(){}'
-        })
-        .add(otherName, {
-          'fn': '_findWhere(objects, source)',
-          'teardown': 'function matches(){}'
-        })
-    );
-  }
+  // Avoid Underscore induced `OutOfMemoryError` in Rhino and Ringo.
+  suites.push(
+    Benchmark.Suite('`_.find` with `_.matches` shorthand')
+      .add(buildName, {
+        'fn': 'lodash.find(objects, source)',
+        'teardown': 'function matches(){}'
+      })
+      .add(otherName, {
+        'fn': '_.find(objects, source)',
+        'teardown': 'function matches(){}'
+      })
+  );
 
   /*--------------------------------------------------------------------------*/
 
@@ -979,32 +940,60 @@
       })
   );
 
+  /*--------------------------------------------------------------------------*/
+
   suites.push(
-    Benchmark.Suite('`_.flatten` nested arrays of numbers with `isDeep`')
+    Benchmark.Suite('`_.flattenDeep` nested arrays of numbers')
       .add(buildName, {
-        'fn': 'lodash.flatten(nestedNumbers, lodashFlattenDeep)',
+        'fn': 'lodash.flattenDeep(nestedNumbers)',
         'teardown': 'function flatten(){}'
       })
       .add(otherName, {
-        'fn': '_.flatten(nestedNumbers, _flattenDeep)',
+        'fn': '_.flattenDeep(nestedNumbers)',
         'teardown': 'function flatten(){}'
       })
   );
 
   suites.push(
-    Benchmark.Suite('`_.flatten` nest arrays of objects with `isDeep`')
+    Benchmark.Suite('`_.flattenDeep` nest arrays of objects')
       .add(buildName, {
-        'fn': 'lodash.flatten(nestedObjects, lodashFlattenDeep)',
+        'fn': 'lodash.flattenDeep(nestedObjects)',
         'teardown': 'function flatten(){}'
       })
       .add(otherName, {
-        'fn': '_.flatten(nestedObjects, _flattenDeep)',
+        'fn': '_.flattenDeep(nestedObjects)',
         'teardown': 'function flatten(){}'
       })
   );
 
   /*--------------------------------------------------------------------------*/
 
+  suites.push(
+    Benchmark.Suite('`_.flowRight`')
+      .add(buildName, {
+        'fn': 'lodash.flowRight(compAddThree, compAddTwo, compAddOne)',
+        'teardown': 'function flowRight(){}'
+      })
+      .add(otherName, {
+        'fn': '_.flowRight(compAddThree, compAddTwo, compAddOne)',
+        'teardown': 'function flowRight(){}'
+      })
+  );
+
+  suites.push(
+    Benchmark.Suite('composed call')
+      .add(buildName, {
+        'fn': 'lodashComposed(0)',
+        'teardown': 'function flowRight(){}'
+      })
+      .add(otherName, {
+        'fn': '_composed(0)',
+        'teardown': 'function flowRight(){}'
+      })
+  );
+
+  /*--------------------------------------------------------------------------*/
+
   suites.push(
     Benchmark.Suite('`_.functions`')
       .add(buildName, '\
@@ -1056,73 +1045,37 @@
   suites.push(
     Benchmark.Suite('`_.includes` searching an array')
       .add(buildName, '\
-        lodash.include(numbers, limit - 1)'
+        lodash.includes(numbers, limit - 1)'
       )
       .add(otherName, '\
-        _.include(numbers, limit - 1)'
+        _.includes(numbers, limit - 1)'
       )
   );
 
   suites.push(
     Benchmark.Suite('`_.includes` searching an object')
       .add(buildName, '\
-        lodash.include(object, limit - 1)'
+        lodash.includes(object, limit - 1)'
       )
       .add(otherName, '\
-        _.include(object, limit - 1)'
+        _.includes(object, limit - 1)'
       )
   );
 
-  if (lodash.include('ab', 'ab') && _.include('ab', 'ab')) {
+  if (lodash.includes('ab', 'ab') && _.includes('ab', 'ab')) {
     suites.push(
       Benchmark.Suite('`_.includes` searching a string')
         .add(buildName, '\
-          lodash.include(strNumbers, "," + (limit - 1))'
+          lodash.includes(strNumbers, "," + (limit - 1))'
         )
         .add(otherName, '\
-          _.include(strNumbers, "," + (limit - 1))'
+          _.includes(strNumbers, "," + (limit - 1))'
         )
     );
   }
 
   /*--------------------------------------------------------------------------*/
 
-  suites.push(
-    Benchmark.Suite('`_.indexBy` with `callback` iterating an array')
-      .add(buildName, '\
-        lodash.indexBy(numbers, function(num) { return num >> 1; })'
-      )
-      .add(otherName, '\
-        _.indexBy(numbers, function(num) { return num >> 1; })'
-      )
-  );
-
-  suites.push(
-    Benchmark.Suite('`_.indexBy` with `property` name iterating an array')
-      .add(buildName, {
-        'fn': 'lodash.indexBy(words, "length")',
-        'teardown': 'function countBy(){}'
-      })
-      .add(otherName, {
-        'fn': '_.indexBy(words, "length")',
-        'teardown': 'function countBy(){}'
-      })
-  );
-
-  suites.push(
-    Benchmark.Suite('`_.indexBy` with `callback` iterating an object')
-      .add(buildName, {
-        'fn': 'lodash.indexBy(wordToNumber, function(num) { return num >> 1; })',
-        'teardown': 'function countBy(){}'
-      })
-      .add(otherName, {
-        'fn': '_.indexBy(wordToNumber, function(num) { return num >> 1; })',
-        'teardown': 'function countBy(){}'
-      })
-  );
-
-  /*--------------------------------------------------------------------------*/
-
   suites.push(
     Benchmark.Suite('`_.indexOf`')
       .add(buildName, {
@@ -1135,18 +1088,6 @@
       })
   );
 
-  suites.push(
-    Benchmark.Suite('`_.indexOf` performing a binary search')
-      .add(buildName, {
-        'fn': 'lodash.indexOf(hundredSortedValues, 99, true)',
-        'teardown': 'function multiArrays(){}'
-      })
-      .add(otherName, {
-        'fn': '_.indexOf(hundredSortedValues, 99, true)',
-        'teardown': 'function multiArrays(){}'
-      })
-  );
-
   /*--------------------------------------------------------------------------*/
 
   suites.push(
@@ -1186,42 +1127,42 @@
   /*--------------------------------------------------------------------------*/
 
   suites.push(
-    Benchmark.Suite('`_.invoke` iterating an array')
+    Benchmark.Suite('`_.invokeMap` iterating an array')
       .add(buildName, '\
-        lodash.invoke(numbers, "toFixed")'
+        lodash.invokeMap(numbers, "toFixed")'
       )
       .add(otherName, '\
-        _.invoke(numbers, "toFixed")'
+        _.invokeMap(numbers, "toFixed")'
       )
   );
 
   suites.push(
-    Benchmark.Suite('`_.invoke` with arguments iterating an array')
+    Benchmark.Suite('`_.invokeMap` with arguments iterating an array')
       .add(buildName, '\
-        lodash.invoke(numbers, "toFixed", 1)'
+        lodash.invokeMap(numbers, "toFixed", 1)'
       )
       .add(otherName, '\
-        _.invoke(numbers, "toFixed", 1)'
+        _.invokeMap(numbers, "toFixed", 1)'
       )
   );
 
   suites.push(
-    Benchmark.Suite('`_.invoke` with a function for `methodName` iterating an array')
+    Benchmark.Suite('`_.invokeMap` with a function for `path` iterating an array')
       .add(buildName, '\
-        lodash.invoke(numbers, Number.prototype.toFixed, 1)'
+        lodash.invokeMap(numbers, Number.prototype.toFixed, 1)'
       )
       .add(otherName, '\
-        _.invoke(numbers, Number.prototype.toFixed, 1)'
+        _.invokeMap(numbers, Number.prototype.toFixed, 1)'
       )
   );
 
   suites.push(
-    Benchmark.Suite('`_.invoke` iterating an object')
+    Benchmark.Suite('`_.invokeMap` iterating an object')
       .add(buildName, '\
-        lodash.invoke(object, "toFixed", 1)'
+        lodash.invokeMap(object, "toFixed", 1)'
       )
       .add(otherName, '\
-        _.invoke(object, "toFixed", 1)'
+        _.invokeMap(object, "toFixed", 1)'
       )
   );
 
@@ -1383,18 +1324,6 @@
       })
   );
 
-  suites.push(
-    Benchmark.Suite('`_.lastIndexOf` performing a binary search')
-      .add(buildName, {
-        'fn': 'lodash.lastIndexOf(hundredSortedValues, 0, true)',
-        'teardown': 'function multiArrays(){}'
-      })
-      .add(otherName, {
-        'fn': '_.lastIndexOf(hundredSortedValues, 0, true)',
-        'teardown': 'function multiArrays(){}'
-      })
-  );
-
   /*--------------------------------------------------------------------------*/
 
   suites.push(
@@ -1411,20 +1340,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.map` with `thisArg` iterating an array (slow path)')
-      .add(buildName, '\
-        lodash.map(objects, function(value, index) {\
-          return this["key" + index] + value.num;\
-        }, object)'
-      )
-      .add(otherName, '\
-        _.map(objects, function(value, index) {\
-          return this["key" + index] + value.num;\
-        }, object)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.map` iterating an object')
       .add(buildName, '\
@@ -1439,18 +1354,14 @@
       )
   );
 
-  /*--------------------------------------------------------------------------*/
-
   suites.push(
-    Benchmark.Suite('`_.matches` predicate')
-      .add(buildName, {
-        'fn': 'lodash.filter(objects, lodashMatch)',
-        'teardown': 'function matches(){}'
-      })
-      .add(otherName, {
-        'fn': '_.filter(objects, _match)',
-        'teardown': 'function matches(){}'
-      })
+    Benchmark.Suite('`_.map` with `_.property` shorthand')
+      .add(buildName, '\
+        lodash.map(objects, "num")'
+      )
+      .add(otherName, '\
+        _.map(objects, "num")'
+      )
   );
 
   /*--------------------------------------------------------------------------*/
@@ -1503,18 +1414,6 @@
 
   /*--------------------------------------------------------------------------*/
 
-  suites.push(
-    Benchmark.Suite('`_.pairs`')
-      .add(buildName, '\
-        lodash.pairs(object)'
-      )
-      .add(otherName, '\
-        _.pairs(object)'
-      )
-  );
-
-  /*--------------------------------------------------------------------------*/
-
   suites.push(
     Benchmark.Suite('`_.partial` (slow path)')
       .add(buildName, {
@@ -1555,20 +1454,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.partition` iterating an array with `thisArg` (slow path)')
-      .add(buildName, '\
-        lodash.partition(numbers, function(num, index) {\
-          return this["key" + index] % 2;\
-        }, object)'
-      )
-      .add(otherName, '\
-        _.partition(numbers, function(num, index) {\
-           return this["key" + index] % 2;\
-        }, object)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.partition` iterating an object')
       .add(buildName, '\
@@ -1597,18 +1482,6 @@
 
   /*--------------------------------------------------------------------------*/
 
-  suites.push(
-    Benchmark.Suite('`_.pluck`')
-      .add(buildName, '\
-        lodash.pluck(objects, "num")'
-      )
-      .add(otherName, '\
-        _.pluck(objects, "num")'
-      )
-  );
-
-  /*--------------------------------------------------------------------------*/
-
   suites.push(
     Benchmark.Suite('`_.reduce` iterating an array')
       .add(buildName, '\
@@ -1691,20 +1564,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.reject` iterating an array with `thisArg` (slow path)')
-      .add(buildName, '\
-        lodash.reject(numbers, function(num, index) {\
-          return this["key" + index] % 2;\
-        }, object)'
-      )
-      .add(otherName, '\
-        _.reject(numbers, function(num, index) {\
-           return this["key" + index] % 2;\
-        }, object)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.reject` iterating an object')
       .add(buildName, '\
@@ -1722,12 +1581,12 @@
   /*--------------------------------------------------------------------------*/
 
   suites.push(
-    Benchmark.Suite('`_.sample` with an `n`')
+    Benchmark.Suite('`_.sampleSize`')
       .add(buildName, '\
-        lodash.sample(numbers, limit / 2)'
+        lodash.sampleSize(numbers, limit / 2)'
       )
       .add(otherName, '\
-        _.sample(numbers, limit / 2)'
+        _.sampleSize(numbers, limit / 2)'
       )
   );
 
@@ -1771,20 +1630,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.some` with `thisArg` iterating an array (slow path)')
-      .add(buildName, '\
-        lodash.some(objects, function(value, index) {\
-          return this["key" + index] == (limit - 1);\
-        }, object)'
-      )
-      .add(otherName, '\
-        _.some(objects, function(value, index) {\
-          return this["key" + index] == (limit - 1);\
-        }, object)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.some` iterating an object')
       .add(buildName, '\
@@ -1811,16 +1656,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.sortBy` with `callback` and `thisArg` (slow path)')
-      .add(buildName, '\
-        lodash.sortBy(numbers, function(num) { return this.sin(num); }, Math)'
-      )
-      .add(otherName, '\
-        _.sortBy(numbers, function(num) { return this.sin(num); }, Math)'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.sortBy` with `property` name')
       .add(buildName, {
@@ -1845,18 +1680,20 @@
       )
   );
 
+  /*--------------------------------------------------------------------------*/
+
   suites.push(
-    Benchmark.Suite('`_.sortedIndex` with `callback`')
+    Benchmark.Suite('`_.sortedIndexBy`')
       .add(buildName, {
         'fn': '\
-          lodash.sortedIndex(words, "twenty-five", function(value) {\
+          lodash.sortedIndexBy(words, "twenty-five", function(value) {\
             return wordToNumber[value];\
           })',
         'teardown': 'function countBy(){}'
       })
       .add(otherName, {
         'fn': '\
-          _.sortedIndex(words, "twenty-five", function(value) {\
+          _.sortedIndexBy(words, "twenty-five", function(value) {\
             return wordToNumber[value];\
           })',
         'teardown': 'function countBy(){}'
@@ -1865,6 +1702,46 @@
 
   /*--------------------------------------------------------------------------*/
 
+  suites.push(
+    Benchmark.Suite('`_.sortedIndexOf`')
+      .add(buildName, {
+        'fn': 'lodash.sortedIndexOf(hundredSortedValues, 99)',
+        'teardown': 'function multiArrays(){}'
+      })
+      .add(otherName, {
+        'fn': '_.sortedIndexOf(hundredSortedValues, 99)',
+        'teardown': 'function multiArrays(){}'
+      })
+  );
+
+  /*--------------------------------------------------------------------------*/
+
+  suites.push(
+    Benchmark.Suite('`_.sortedLastIndexOf`')
+      .add(buildName, {
+        'fn': 'lodash.sortedLastIndexOf(hundredSortedValues, 0)',
+        'teardown': 'function multiArrays(){}'
+      })
+      .add(otherName, {
+        'fn': '_.sortedLastIndexOf(hundredSortedValues, 0)',
+        'teardown': 'function multiArrays(){}'
+      })
+  );
+
+  /*--------------------------------------------------------------------------*/
+
+  suites.push(
+    Benchmark.Suite('`_.sum`')
+      .add(buildName, '\
+        lodash.sum(numbers)'
+      )
+      .add(otherName, '\
+        _.sum(numbers)'
+      )
+  );
+
+  /*--------------------------------------------------------------------------*/
+
   suites.push(
     Benchmark.Suite('`_.template` (slow path)')
       .add(buildName, {
@@ -1915,18 +1792,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.times` with `thisArg` (slow path)')
-      .add(buildName, '\
-        var result = [];\
-        lodash.times(limit, function(n) { result.push(this.sin(n)); }, Math)'
-      )
-      .add(otherName, '\
-        var result = [];\
-        _.times(limit, function(n) { result.push(this.sin(n)); }, Math)'
-      )
-  );
-
   /*--------------------------------------------------------------------------*/
 
   suites.push(
@@ -1951,6 +1816,18 @@
 
   /*--------------------------------------------------------------------------*/
 
+  suites.push(
+    Benchmark.Suite('`_.toPairs`')
+      .add(buildName, '\
+        lodash.toPairs(object)'
+      )
+      .add(otherName, '\
+        _.toPairs(object)'
+      )
+  );
+
+  /*--------------------------------------------------------------------------*/
+
   suites.push(
     Benchmark.Suite('`_.unescape` string without html entities')
       .add(buildName, '\
@@ -2007,20 +1884,6 @@
       )
   );
 
-  suites.push(
-    Benchmark.Suite('`_.uniq` with `callback`')
-      .add(buildName, '\
-        lodash.uniq(numbers.concat(twoNumbers, fourNumbers), function(num) {\
-          return num % 2;\
-        })'
-      )
-      .add(otherName, '\
-        _.uniq(numbers.concat(twoNumbers, fourNumbers), function(num) {\
-          return num % 2;\
-        })'
-      )
-  );
-
   suites.push(
     Benchmark.Suite('`_.uniq` iterating an array of 200 elements')
       .add(buildName, {
@@ -2035,6 +1898,22 @@
 
   /*--------------------------------------------------------------------------*/
 
+  suites.push(
+    Benchmark.Suite('`_.uniqBy`')
+      .add(buildName, '\
+        lodash.uniqBy(numbers.concat(twoNumbers, fourNumbers), function(num) {\
+          return num % 2;\
+        })'
+      )
+      .add(otherName, '\
+        _.uniqBy(numbers.concat(twoNumbers, fourNumbers), function(num) {\
+          return num % 2;\
+        })'
+      )
+  );
+
+  /*--------------------------------------------------------------------------*/
+
   suites.push(
     Benchmark.Suite('`_.values`')
       .add(buildName, '\
@@ -2047,20 +1926,6 @@
 
   /*--------------------------------------------------------------------------*/
 
-  suites.push(
-    Benchmark.Suite('`_.where`')
-      .add(buildName, {
-        'fn': 'lodash.where(objects, source)',
-        'teardown': 'function matches(){}'
-      })
-      .add(otherName, {
-        'fn': '_.where(objects, source)',
-        'teardown': 'function matches(){}'
-      })
-  );
-
-  /*--------------------------------------------------------------------------*/
-
   suites.push(
     Benchmark.Suite('`_.without`')
       .add(buildName, '\

perf/run-perf.sh

@@ -1,14 +0,0 @@
-cd "$(dirname "$0")"
-
-echo "Running performance suite in node..."
-node perf.js ../lodash.js && node perf.js ../lodash.min.js
-
-for cmd in rhino "rhino -require" narwhal ringo phantomjs; do
-  echo ""
-  echo "Running performance suite in $cmd..."
-  $cmd perf.js ../lodash.src.js
-done
-
-echo ""
-echo "Running performance suite in a browser..."
-open index.html

test/asset/set.js

@@ -1,157 +0,0 @@
-;(function() {
-
-  /** Used to determine if values are of the language type Object. */
-  var objectTypes = {
-    'function': true,
-    'object': true
-  };
-
-  /** Used as the `Set#toString` return value. */
-  var nativeString = String(Object.prototype.toString).replace(/toString/g, 'Set');
-
-  /** Detect free variable `exports`. */
-  var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
-
-  /** Detect free variable `module`. */
-  var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;
-
-  /** Detect free variable `global` from Node.js. */
-  var freeGlobal = freeExports && freeModule && typeof global == 'object' && global;
-
-  /** Detect free variable `self`. */
-  var freeSelf = objectTypes[typeof self] && self && self.Object && self;
-
-  /** Detect free variable `window`. */
-  var freeWindow = objectTypes[typeof window] && window && window.Object && window;
-
-  /**
-   * Used as a reference to the global object.
-   *
-   * The `this` value is used if it is the global object to avoid Greasemonkey's
-   * restricted `window` object, otherwise the `window` object is used.
-   */
-  var root = freeGlobal || ((freeWindow !== (this && this.window)) && freeWindow) || freeSelf || this;
-
-  /*--------------------------------------------------------------------------*/
-
-  /**
-   * Installs `Set` on the given `context` object.
-   *
-   * @memberOf exports
-   * @param {Object} context The context object.
-   */
-  function runInContext(context) {
-
-    /**
-     * Creates a `Set` object.
-     */
-    function Set() {
-      this.__cache__ = {};
-    }
-
-    /**
-     * Gets the index at which the first occurrence of `value` is found using
-     * strict equality for comparisons, i.e. `===`.
-     *
-     * @private
-     * @param {Array} array The array to search.
-     * @param {*} value The value to search for.
-     * @returns {number} Returns the index of the matched value or `-1`.
-     */
-    function indexOf(array, value) {
-      var index = -1,
-          length = array.length;
-
-      while (++index < length) {
-        if (array[index] === value) {
-          return index;
-        }
-      }
-      return -1;
-    }
-
-    /**
-     * Checks if `value` is in the set.
-     *
-     * @memberOf Set
-     * @param {*} value The value to search for.
-     * @returns {boolean} Returns `true` if `value` is found, else `false`.
-     */
-    function has(value) {
-      var type = typeof value,
-          cache = this.__cache__;
-
-      if (type == 'boolean' || value == null) {
-        return cache[value] || false;
-      }
-      if (type != 'number' && type != 'string') {
-        type = 'object';
-      }
-      var key = type == 'number' ? value : '_' + value;
-      cache = (cache = cache[type]) && cache[key];
-
-      return type == 'object'
-        ? (cache && indexOf(cache, value) > -1 ? true : false)
-        : (cache || false);
-    }
-
-    /**
-     * Adds `value` to the set.
-     *
-     * @memberOf Set
-     * @param {*} value The value to add.
-     */
-    function add(value) {
-      var cache = this.__cache__,
-          type = typeof value;
-
-      if (type == 'boolean' || value == null) {
-        cache[value] = true;
-      } else {
-        if (type != 'number' && type != 'string') {
-          type = 'object';
-        }
-        var key = type == 'number' ? value : '_' + value,
-            typeCache = cache[type] || (cache[type] = {});
-
-        if (type == 'object') {
-          var array = typeCache[key];
-          if (array) {
-            array.push(value);
-          } else {
-            typeCache[key] = [value];
-          }
-        } else {
-          typeCache[key] = true;
-        }
-      }
-    }
-
-    /**
-     * Produces the `toString` result of `Set`.
-     *
-     * @static
-     * @memberOf Set
-     * @returns {string} Returns the string result.
-     */
-    function toString() {
-      return nativeString;
-    }
-
-    Set.toString = toString;
-    Set.prototype.add = add;
-    Set.prototype.has = has;
-
-    if (!root.Set) {
-      context.Set = Set;
-    }
-  }
-
-  /*--------------------------------------------------------------------------*/
-
-  if (freeExports) {
-    freeExports.runInContext = runInContext;
-  } else {
-    runInContext(root);
-  }
-}.call(this));

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,
@@ -59,17 +40,15 @@
         setTimeout(init, 15);
         return;
       }
-      toolbar.appendChild(span1);
-      toolbar.appendChild(span2);
+      toolbar.insertBefore(span2, toolbar.lastChild);
+      toolbar.insertBefore(span1, span2);
 
       buildList.selectedIndex = (function() {
         switch (build) {
-          case 'lodash-compat':     return 1;
-          case 'lodash-modern-dev': return 2;
-          case 'lodash-modern':     return 3;
-          case 'lodash-custom-dev': return 4;
-          case 'lodash-custom':     return 5;
-          case 'lodash-compat-dev':
+          case 'lodash':            return 1;
+          case 'lodash-core-dev':   return 2;
+          case 'lodash-core':       return 3;
+          case 'lodash-dev':
           case null:                return 0;
         }
         return -1;
@@ -86,25 +65,21 @@
         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">' +
-      '<option value="lodash-compat-dev">lodash (compat development)</option>' +
-      '<option value="lodash-compat">lodash (compat production)</option>' +
-      '<option value="lodash-modern-dev">lodash (modern development)</option>' +
-      '<option value="lodash-modern">lodash (modern production)</option>' +
-      '<option value="lodash-custom-dev">lodash (custom development)</option>' +
-      '<option value="lodash-custom">lodash (custom production)</option>' +
+      '<option value="lodash-dev">lodash (development)</option>' +
+      '<option value="lodash">lodash (production)</option>' +
+      '<option value="lodash-core-dev">lodash-core (development)</option>' +
+      '<option value="lodash-core">lodash-core (production)</option>' +
       '</select>';
 
     var span2 = document.createElement('span');
-    span2.style.cssText = 'float:right';
     span2.innerHTML =
       '<label for="qunit-loader">Loader: </label>' +
       '<select id="qunit-loader">' +
@@ -114,6 +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;
 
@@ -124,29 +105,15 @@
     init();
   });
 
-  // Used to indicate testing a foreign file.
-  ui.isForeign = RegExp('^(\\w+:)?//').test(build);
-
-  // Used to indicate testing a modularized build.
-  ui.isModularize = /\b(?:amd|commonjs|es6?|node|npm|(index|main)\.js)\b/.test([location.pathname, location.search]);
-
-  // Used to indicate testing in Sauce Labs' automated test cloud.
-  ui.isSauceLabs = location.port == '9001';
-
-  // Used to indicate that lodash is in strict mode.
-  ui.isStrict = /\bes6?\b/.test([location.pathname, location.search]);
-
   // The lodash build file path.
   ui.buildPath = (function() {
     var result;
     switch (build) {
-      case 'lodash-compat':     result = 'lodash.compat.min.js'; break;
-      case 'lodash-modern-dev': result = 'lodash.js'; break;
-      case 'lodash-modern':     result = 'lodash.min.js'; break;
-      case 'lodash-custom-dev': result = 'lodash.custom.js'; break;
-      case 'lodash-custom':     result = 'lodash.custom.min.js'; break;
-      case null:                build  = 'lodash-compat-dev';
-      case 'lodash-compat-dev': result = 'lodash.src.js'; break;
+      case 'lodash':            result = 'dist/lodash.min.js'; break;
+      case 'lodash-core-dev':   result = 'dist/lodash.core.js'; break;
+      case 'lodash-core':       result = 'dist/lodash.core.min.js'; break;
+      case null:                build  = 'lodash-dev';
+      case 'lodash-dev':        result = 'lodash.js'; break;
       default:                  return build;
     }
     return basePath + result;
@@ -165,6 +132,21 @@
     return basePath + result;
   }());
 
+  // Used to indicate testing a core build.
+  ui.isCore = /\bcore(\.min)?\.js\b/.test(ui.buildPath);
+
+  // Used to indicate testing a foreign file.
+  ui.isForeign = RegExp('^(\\w+:)?//').test(build);
+
+  // Used to indicate testing a modularized build.
+  ui.isModularize = /\b(?:amd|commonjs|es|node|npm|(index|main)\.js)\b/.test([location.pathname, location.search]);
+
+  // Used to indicate testing in Sauce Labs' automated test cloud.
+  ui.isSauceLabs = location.port == '9001';
+
+  // Used to indicate that lodash is in strict mode.
+  ui.isStrict = /\bes\b/.test([location.pathname, location.search]);
+
   ui.urlParams = { 'build': build, 'loader': loader };
   ui.timing = { 'loadEventEnd': 0 };
 

test/asset/weakmap.js

@@ -1,102 +0,0 @@
-;(function() {
-
-  /** Used to determine if values are of the language type Object. */
-  var objectTypes = {
-    'function': true,
-    'object': true
-  };
-
-  /** Used as the `WeakMap#toString` return value. */
-  var nativeString = String(Object.prototype.toString).replace(/toString/g, 'WeakMap');
-
-  /** Detect free variable `exports`. */
-  var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
-
-  /** Detect free variable `module`. */
-  var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;
-
-  /** Detect free variable `global` from Node.js. */
-  var freeGlobal = freeExports && freeModule && typeof global == 'object' && global;
-
-  /** Detect free variable `self`. */
-  var freeSelf = objectTypes[typeof self] && self && self.Object && self;
-
-  /** Detect free variable `window`. */
-  var freeWindow = objectTypes[typeof window] && window && window.Object && window;
-
-  /**
-   * Used as a reference to the global object.
-   *
-   * The `this` value is used if it is the global object to avoid Greasemonkey's
-   * restricted `window` object, otherwise the `window` object is used.
-   */
-  var root = freeGlobal || ((freeWindow !== (this && this.window)) && freeWindow) || freeSelf || this;
-
-  /*--------------------------------------------------------------------------*/
-
-  /**
-   * Installs `WeakMap` on the given `context` object.
-   *
-   * @memberOf exports
-   * @param {Object} context The context object.
-   */
-  function runInContext(context) {
-
-    /**
-     * Creates a `WeakMap` object.
-     */
-    function WeakMap() {
-      // No operation performed.
-    }
-
-    /**
-     * Gets the value associated with the given key.
-     *
-     * @memberOf WeakMap
-     * @param {Object} key The key object.
-     * @returns {*} Returns the associated value, else `undefined`.
-     */
-    function get(key) {
-      return key.__weakmap__;
-    }
-
-    /**
-     * Sets a value for the given key.
-     *
-     * @memberOf WeakMap
-     * @param {Object} key The key object.
-     * @param {*} value The value to set.
-     */
-    function set(key, value) {
-      key.__weakmap__ = value;
-      return this;
-    }
-
-    /**
-     * Produces the `toString` result of `WeakMap`.
-     *
-     * @static
-     * @memberOf WeakMap
-     * @returns {string} Returns the string result.
-     */
-    function toString() {
-      return nativeString;
-    }
-
-    WeakMap.toString = toString;
-    WeakMap.prototype.get = get;
-    WeakMap.prototype.set = set;
-
-    if (!root.WeakMap) {
-      context.WeakMap = WeakMap;
-    }
-  }
-
-  /*--------------------------------------------------------------------------*/
-
-  if (freeExports) {
-    freeExports.runInContext = runInContext;
-  } else {
-    runInContext(root);
-  }
-}.call(this));

test/asset/worker.js

@@ -1,12 +1,17 @@
+'use strict';
+
 self.console || (self.console = { 'log': function() {} });
 
 addEventListener('message', function(e) {
   if (e.data) {
     try {
       importScripts('../' + e.data);
-    } catch(e) {
-      self._ = { 'VERSION': e.message };
+    } catch (e) {
+      var lineNumber = e.lineNumber,
+          message = (lineNumber == null ? '' : (lineNumber + ': ')) + e.message;
+
+      self._ = { 'VERSION': message };
     }
     postMessage(_.VERSION);
   }
-}, false);
+});

test/backbone.html

@@ -1,141 +1,170 @@
 <!doctype html>
 <html lang="en">
-	<head>
-		<meta charset="utf-8">
-		<title>Backbone Test Suite</title>
-		<link rel="stylesheet" href="../node_modules/qunitjs/qunit/qunit.css">
-	</head>
-	<body>
-		<div id="qunit"></div>
-		<div id="qunit-fixture">
-			<div id='testElement'>
-				<h1>Test</h1>
-			</div>
-		</div>
-		<script>
-			// avoid reporting tests to Sauce Labs when script errors occur
-			if (location.port == '9001') {
-				window.onerror = function(message) {
-					if (window.QUnit) {
-						QUnit.config.done.length = 0;
-					}
-					global_test_results = { 'message': message };
-				};
-			}
-		</script>
-		<script src="../node_modules/qunitjs/qunit/qunit.js"></script>
-		<script src="../node_modules/qunit-extras/qunit-extras.js"></script>
-		<script src="../vendor/json-js/json2.js"></script>
-		<script src="../node_modules/platform/platform.js"></script>
-		<script src="./asset/test-ui.js"></script>
-		<script src="../lodash.src.js"></script>
-		<script>
-			var mixinPrereqs = (function() {
-				var lodash = _.noConflict();
-				return function(_) {
-					_.mixin({
-						'debounce': _.debounce || lodash.debounce,
-						'defer': _.defer || lodash.defer,
-						'pluck': _.pluck || lodash.pluck
-					});
-				};
-			}());
+  <head>
+    <meta charset="utf-8">
+    <title>Backbone Test Suite</title>
+    <link rel="stylesheet" href="../node_modules/qunitjs/qunit/qunit.css">
+  </head>
+  <body>
+    <script>
+      // Avoid reporting tests to Sauce Labs when script errors occur.
+      if (location.port == '9001') {
+        window.onerror = function(message) {
+          if (window.QUnit) {
+            QUnit.config.done.length = 0;
+          }
+          global_test_results = { 'message': message };
+        };
+      }
+    </script>
+    <script src="../node_modules/qunitjs/qunit/qunit.js"></script>
+    <script src="../node_modules/qunit-extras/qunit-extras.js"></script>
+    <script src="../vendor/json-js/json2.js"></script>
+    <script src="../node_modules/platform/platform.js"></script>
+    <script src="./asset/test-ui.js"></script>
+    <script src="../lodash.js"></script>
+    <script>
+      QUnit.config.asyncRetries = 10;
+      QUnit.config.hidepassed = true;
 
-			QUnit.config.asyncRetries = 10;
-			QUnit.config.hidepassed = true;
+      var mixinPrereqs = (function() {
+        var aliasToReal = {
+          'indexBy': 'keyBy',
+          'invoke': 'invokeMap'
+        };
 
-			// load lodash
-			if (!ui.isModularize) {
-				document.write('<script src="' + ui.buildPath + '"><\/script>');
-			}
-			// load test scripts
-			document.write(ui.urlParams.loader != 'none'
-				? '<script data-dojo-config="async:1" src="' + ui.loaderPath + '"><\/script>'
-				: ([
-					'<script src="' + ui.buildPath + '"><\/script>',
-					'<script src="../node_modules/jquery/dist/jquery.js"><\/script>',
-					'<script src="../vendor/backbone/backbone.js"><\/script>',
-					'<script src="../vendor/backbone/test/environment.js"><\/script>',
-					'<script src="../vendor/backbone/test/noconflict.js"><\/script>',
-					'<script src="../vendor/backbone/test/events.js"><\/script>',
-					'<script src="../vendor/backbone/test/model.js"><\/script>',
-					'<script src="../vendor/backbone/test/collection.js"><\/script>',
-					'<script src="../vendor/backbone/test/router.js"><\/script>',
-					'<script src="../vendor/backbone/test/view.js"><\/script>',
-					'<script src="../vendor/backbone/test/sync.js"><\/script>'
-				  ].join('\n'))
-			);
-		</script>
-		<script>
-			(function() {
-				if (window.curl) {
-					curl.config({ 'apiName': 'require' });
-				}
-				if (!window.require) {
-					mixinPrereqs(_);
-					return;
-				}
-				var reBasename = /[\w.-]+$/,
-				    basePath = ('//' + location.host + location.pathname.replace(reBasename, '')).replace(/\btest\/$/, ''),
-				    modulePath = ui.buildPath.replace(/\.js$/, ''),
-				    locationPath = modulePath.replace(reBasename, '').replace(/^\/|\/$/g, ''),
-				    moduleMain = modulePath.match(reBasename)[0],
-				    uid = +new Date;
+        var keyMap = {
+          'rest': 'tail'
+        };
 
-				function getConfig() {
-					var result = {
-						'baseUrl': './',
-						'urlArgs': 't=' + uid++,
-						'waitSeconds': 0,
-						'paths': {
-							'backbone': '../vendor/backbone/backbone',
-							'jquery': '../node_modules/jquery/dist/jquery'
-						},
-						'packages': [{
-							'name': 'test',
-							'location': '../vendor/backbone/test',
-							'config': {
-								// work around no global being exported
-								'exports': 'QUnit',
-								'loader': 'curl/loader/legacy'
-							}
-						}]
-					};
+        var lodash = _.noConflict();
 
-					if (ui.isModularize) {
-						result.packages.push({
-							'name': 'underscore',
-							'location': locationPath,
-							'main': moduleMain
-						});
-					} else {
-						result.paths.underscore = modulePath;
-					}
-					return result;
-				}
+        return function(_) {
+          lodash(_)
+            .defaultsDeep({ 'templateSettings': lodash.templateSettings })
+            .mixin(lodash.pick(lodash, lodash.difference([
+              'countBy',
+              'debounce',
+              'difference',
+              'find',
+              'findIndex',
+              'findLastIndex',
+              'groupBy',
+              'includes',
+              'invert',
+              'invokeMap',
+              'keyBy',
+              'omit',
+              'partition',
+              'reduceRight',
+              'reject',
+              'sample',
+              'without'
+            ], lodash.functions(_))))
+            .value();
 
-				QUnit.config.autostart = false;
+          lodash.forOwn(keyMap, function(realName, otherName) {
+            _[otherName] = lodash[realName];
+            _.prototype[otherName] = lodash.prototype[realName];
+          });
+          lodash.forOwn(aliasToReal, function(realName, alias) {
+            _[alias] = _[realName];
+            _.prototype[alias] = _.prototype[realName];
+          });
+          return _;
+        };
+      }());
 
-				require(getConfig(), ['underscore', 'backbone'], function(lodash) {
-					mixinPrereqs(lodash);
+      // Load prerequisite scripts.
+      document.write(ui.urlParams.loader == 'none'
+        ? '<script src="' + ui.buildPath + '"><\/script>'
+        : '<script data-dojo-config="async:1" src="' + ui.loaderPath + '"><\/script>'
+      );
+    </script>
+    <script>
+      if (ui.urlParams.loader == 'none') {
+        mixinPrereqs(_);
+        document.write([
+          '<script src="../node_modules/jquery/dist/jquery.js"><\/script>',
+          '<script src="../vendor/backbone/backbone.js"><\/script>',
+          '<script src="../vendor/backbone/test/setup/dom-setup.js"><\/script>',
+          '<script src="../vendor/backbone/test/setup/environment.js"><\/script>',
+          '<script src="../vendor/backbone/test/noconflict.js"><\/script>',
+          '<script src="../vendor/backbone/test/events.js"><\/script>',
+          '<script src="../vendor/backbone/test/model.js"><\/script>',
+          '<script src="../vendor/backbone/test/collection.js"><\/script>',
+          '<script src="../vendor/backbone/test/router.js"><\/script>',
+          '<script src="../vendor/backbone/test/view.js"><\/script>',
+          '<script src="../vendor/backbone/test/sync.js"><\/script>'
+        ].join('\n'));
+      }
+    </script>
+    <script>
+      (function() {
+        if (window.curl) {
+          curl.config({ 'apiName': 'require' });
+        }
+        if (!window.require) {
+          return;
+        }
+        var reBasename = /[\w.-]+$/,
+            basePath = ('//' + location.host + location.pathname.replace(reBasename, '')).replace(/\btest\/$/, ''),
+            modulePath = ui.buildPath.replace(/\.js$/, ''),
+            locationPath = modulePath.replace(reBasename, '').replace(/^\/|\/$/g, ''),
+            moduleMain = modulePath.match(reBasename)[0],
+            uid = +new Date;
 
-					if (ui.isModularize) {
-						window._ = lodash;
-					}
-					require(getConfig(), [
-						'test/environment',
-					        'test/noconflict',
-						'test/events',
-						'test/model',
-						'test/collection',
-						'test/router',
-						'test/view',
-						'test/sync'
-					], function() {
-						QUnit.start();
-					});
-				});
-			}());
-		</script>
-	</body>
+        function getConfig() {
+          var result = {
+            'baseUrl': './',
+            'urlArgs': 't=' + uid++,
+            'waitSeconds': 0,
+            'paths': {
+              'backbone': '../vendor/backbone/backbone',
+              'jquery': '../node_modules/jquery/dist/jquery'
+            },
+            'packages': [{
+              'name': 'test',
+              'location': '../vendor/backbone/test',
+              'config': {
+                // Work around no global being exported.
+                'exports': 'QUnit',
+                'loader': 'curl/loader/legacy'
+              }
+            }]
+          };
+
+          if (ui.isModularize) {
+            result.packages.push({
+              'name': 'underscore',
+              'location': locationPath,
+              'main': moduleMain
+            });
+          } else {
+            result.paths.underscore = modulePath;
+          }
+          return result;
+        }
+
+        QUnit.config.autostart = false;
+
+        require(getConfig(), ['underscore'], function(lodash) {
+          _ = mixinPrereqs(lodash);
+          require(getConfig(), ['backbone'], function() {
+            require(getConfig(), [
+              'test/setup/dom-setup',
+              'test/setup/environment',
+              'test/noconflict',
+              'test/events',
+              'test/model',
+              'test/collection',
+              'test/router',
+              'test/view',
+              'test/sync'
+            ], QUnit.start);
+          });
+        });
+      }());
+    </script>
+  </body>
 </html>

test/fp.html

@@ -0,0 +1,41 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>lodash-fp Test Suite</title>
+    <link rel="stylesheet" href="../node_modules/qunitjs/qunit/qunit.css">
+  </head>
+  <body>
+    <script>
+      // Avoid reporting tests to Sauce Labs when script errors occur.
+      if (location.port == '9001') {
+        window.onerror = function(message) {
+          if (window.QUnit) {
+            QUnit.config.done.length = 0;
+          }
+          global_test_results = { 'message': message };
+        };
+      }
+    </script>
+    <script src="../lodash.js"></script>
+    <script src="../dist/lodash.fp.js"></script>
+    <script src="../dist/mapping.fp.js"></script>
+    <script src="../node_modules/qunitjs/qunit/qunit.js"></script>
+    <script src="../node_modules/qunit-extras/qunit-extras.js"></script>
+    <script src="../node_modules/platform/platform.js"></script>
+    <script src="./test-fp.js"></script>
+    <div id="qunit"></div>
+    <script>
+      // Set a more readable browser name.
+      window.onload = function() {
+        var timeoutId = setInterval(function() {
+          var ua = document.getElementById('qunit-userAgent');
+          if (ua) {
+            ua.innerHTML = platform;
+            clearInterval(timeoutId);
+          }
+        }, 16);
+      };
+    </script>
+  </body>
+</html>

test/index.html

@@ -1,404 +1,341 @@
 <!doctype html>
 <html lang="en">
-	<head>
-		<meta charset="utf-8">
-		<title>lodash Test Suite</title>
-		<link rel="stylesheet" href="../node_modules/qunitjs/qunit/qunit.css">
-		<style>
-			#exports {
-				display: none;
-			}
-		</style>
-	</head>
-	<body>
-		<script>
-			// avoid reporting tests to Sauce Labs when script errors occur
-			if (location.port == '9001') {
-				window.onerror = function(message) {
-					if (window.QUnit) {
-						QUnit.config.done.length = 0;
-					}
-					global_test_results = { 'message': message };
-				};
-			}
-		</script>
-		<script src="../node_modules/qunitjs/qunit/qunit.js"></script>
-		<script src="../node_modules/qunit-extras/qunit-extras.js"></script>
-		<script src="../node_modules/platform/platform.js"></script>
-		<script src="./asset/set.js"></script>
-		<script src="./asset/weakmap.js"></script>
-		<script src="./asset/test-ui.js"></script>
-		<div id="qunit"></div>
-		<div id="exports"></div>
-		<script>
-			var setProperty = (function() {
-				var _defineProperty = Object.defineProperty;
-				return function(object, key, value) {
-					try {
-						_defineProperty(object, key, {
-							'configurable': true,
-							'enumerable': false,
-							'writable': true,
-							'value': value
-						});
-					} catch(e) {
-						object[key] = value;
-					}
-				};
-			}());
+  <head>
+    <meta charset="utf-8">
+    <title>lodash Test Suite</title>
+    <link rel="stylesheet" href="../node_modules/qunitjs/qunit/qunit.css">
+    <style>
+      #exports, #module {
+        display: none;
+      }
+    </style>
+  </head>
+  <body>
+    <script>
+      // Avoid reporting tests to Sauce Labs when script errors occur.
+      if (location.port == '9001') {
+        window.onerror = function(message) {
+          if (window.QUnit) {
+            QUnit.config.done.length = 0;
+          }
+          global_test_results = { 'message': message };
+        };
+      }
+    </script>
+    <script src="../node_modules/lodash/lodash.js"></script>
+    <script>var lodashStable = _.noConflict();</script>
+    <script src="../node_modules/qunitjs/qunit/qunit.js"></script>
+    <script src="../node_modules/qunit-extras/qunit-extras.js"></script>
+    <script src="../node_modules/platform/platform.js"></script>
+    <script src="./asset/test-ui.js"></script>
+    <div id="qunit"></div>
+    <div id="exports"></div>
+    <div id="module"></div>
+    <script>
+      function setProperty(object, key, value) {
+        try {
+          Object.defineProperty(object, key, {
+            'configurable': true,
+            'enumerable': false,
+            'writable': true,
+            'value': value
+          });
+        } catch (e) {
+          object[key] = value;
+        }
+        return object;
+      }
 
-			function addBizarroMethods() {
-				var funcProto = Function.prototype,
-				    objectProto = Object.prototype,
-				    stringProto = String.prototype;
+      function addBizarroMethods() {
+        var funcProto = Function.prototype,
+            objectProto = Object.prototype;
 
-				var hasOwnProperty = objectProto.hasOwnProperty,
-				    fnToString = funcProto.toString,
-				    nativeString = fnToString.call(objectProto.toString),
-				    noop = function() {},
-				    propertyIsEnumerable = objectProto.propertyIsEnumerable,
-				    reToString = /toString/g,
-				    whitespace = ' \t\x0B\f\xA0\ufeff\n\r\u2028\u2029\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000';
+        var hasOwnProperty = objectProto.hasOwnProperty,
+            fnToString = funcProto.toString,
+            nativeString = fnToString.call(objectProto.toString),
+            noop = function() {},
+            propertyIsEnumerable = objectProto.propertyIsEnumerable,
+            reToString = /toString/g;
 
-				function constant(value) {
-					return function() {
-						return value;
-					};
-				}
-				function createToString(funcName) {
-					return constant(nativeString.replace(reToString, funcName));
-				}
-				// allow bypassing native checks
-				setProperty(funcProto, 'toString', (function() {
-					function wrapper() {
-						setProperty(funcProto, 'toString', fnToString);
-						var result = hasOwnProperty.call(this, 'toString') ? this.toString() : fnToString.call(this);
-						setProperty(funcProto, 'toString', wrapper);
-						return result;
-					}
-					return wrapper;
-				}()));
+        function constant(value) {
+          return function() {
+            return value;
+          };
+        }
 
-				// add extensions
-				funcProto._method = noop;
+        function createToString(funcName) {
+          return constant(nativeString.replace(reToString, funcName));
+        }
 
-				// set bad shims
-				setProperty(Array, '_isArray', Array.isArray);
-				setProperty(Array, 'isArray', noop);
+        // Allow bypassing native checks.
+        setProperty(funcProto, 'toString', (function() {
+          function wrapper() {
+            setProperty(funcProto, 'toString', fnToString);
+            var result = hasOwnProperty.call(this, 'toString') ? this.toString() : fnToString.call(this);
+            setProperty(funcProto, 'toString', wrapper);
+            return result;
+          }
+          return wrapper;
+        }()));
 
-				setProperty(Date, '_now', Date.now);
-				setProperty(Date, 'now', noop);
+        // Add prototype extensions.
+        funcProto._method = noop;
 
-				setProperty(Object, '_getPrototypeOf', Object.getPrototypeOf);
-				setProperty(Object, 'getPrototypeOf', noop);
+        // Set bad shims.
+        setProperty(Object, '_create', Object.create);
+        setProperty(Object, 'create', undefined);
 
-				setProperty(Object, '_keys', Object.keys);
-				setProperty(Object, 'keys', noop);
+        setProperty(Object, '_getOwnPropertySymbols', Object.getOwnPropertySymbols);
+        setProperty(Object, 'getOwnPropertySymbols', undefined);
 
-				setProperty(objectProto, '_propertyIsEnumerable', propertyIsEnumerable);
-				setProperty(objectProto, 'propertyIsEnumerable', function(key) {
-					if (key == '1' && this && typeof this == 'object' && this.length === 2 &&
-							hasOwnProperty.call(this, 'callee') &&
-							!propertyIsEnumerable.call(this, 'callee') &&
-							this[0] === 0 && this[1] === 0) {
-						throw new Error;
-					}
-					return propertyIsEnumerable.call(this, key);
-				});
+        setProperty(objectProto, '_propertyIsEnumerable', propertyIsEnumerable);
+        setProperty(objectProto, 'propertyIsEnumerable', function(key) {
+          return !(key == 'valueOf' && this && this.valueOf === 1) && _propertyIsEnumerable.call(this, key);
+        });
 
-				setProperty(Number, '_isFinite', Number.isFinite);
-				setProperty(Number, 'isFinite', noop);
+        setProperty(window, '_Map', window.Map);
+        if (_Map) {
+          setProperty(window, 'Map', (function(Map) {
+            var count = 0;
+            return function() {
+              if (count++) {
+                return new Map;
+              }
+              var result = {};
+              setProperty(window, 'Map', Map);
+              return result;
+            };
+          }(_Map)));
 
-				setProperty(window, '_ArrayBuffer', window.ArrayBuffer);
-				if (window.ArrayBuffer && window.Uint8Array) {
-					ArrayBuffer = (function(_ArrayBuffer) {
-						function ArrayBuffer(byteLength) {
-							var buffer = new _ArrayBuffer(byteLength);
-							if (!byteLength) {
-								setProperty(buffer, 'slice', buffer.slice ? null : bufferSlice);
-							}
-							return buffer;
-						}
-						function bufferSlice() {
-							var newBuffer = new _ArrayBuffer(this.byteLength),
-							    view = new Uint8Array(newBuffer);
+          setProperty(Map, 'toString', createToString('Map'));
+        }
+        setProperty(window, '_Promise', window.Promise);
+        setProperty(window, 'Promise', noop);
 
-							view.set(new Uint8Array(this));
-							return newBuffer;
-						}
-						setProperty(ArrayBuffer, 'toString', createToString('ArrayBuffer'));
-						setProperty(bufferSlice, 'toString', createToString('slice'));
-						return ArrayBuffer;
-					}(_ArrayBuffer));
-				}
-				if (!window.Float64Array && window.Uint8Array) {
-					Float64Array = (function() {
-						function Float64Array(buffer, byteOffset, length) {
-							return arguments.length == 1
-								? new Uint8Array(buffer)
-								: new Uint8Array(buffer, byteOffset || 0, length || buffer.byteLength);
-						}
-						setProperty(Float64Array, 'BYTES_PER_ELEMENT', 8);
-						setProperty(Float64Array, 'toString', createToString('Float64Array'));
-						return Float64Array;
-					}());
-				}
-				setProperty(window, '_Set', window.Set);
-				setProperty(window, 'Set', noop);
+        setProperty(window, '_Set', window.Set);
+        setProperty(window, 'Set', noop);
 
-				setProperty(window, '_WeakMap', window.WeakMap);
-				setProperty(window, 'WeakMap', noop);
+        setProperty(window, '_Symbol', window.Symbol);
+        setProperty(window, 'Symbol', undefined);
 
-				setProperty(window, '_parseInt', parseInt);
-				setProperty(window, 'parseInt', (function(_parseInt) {
-					var checkStr = whitespace + '08',
-					    isFaked = _parseInt(checkStr) != 8,
-					    reHexPrefix = /^0[xX]/,
-					    reTrim = RegExp('^[' + whitespace + ']+|[' + whitespace + ']+$');
+        setProperty(window, '_WeakMap', window.WeakMap);
+        setProperty(window, 'WeakMap', noop);
 
-					return function(value, radix) {
-						if (value == checkStr && !isFaked) {
-							isFaked = true;
-							return 0;
-						}
-						value = String(value == null ? '' : value).replace(reTrim, '');
-						return _parseInt(value, +radix || (reHexPrefix.test(value) ? 16 : 10));
-					};
-				}(_parseInt)));
+        // Fake `WinRTError`.
+        setProperty(window, 'WinRTError', Error);
 
-				// fake lack of DOM support
-				setProperty(document, '_createDocumentFragment', document.createDocumentFragment);
-				document.createDocumentFragment = noop;
+        // Fake free variable `global`.
+        setProperty(window, 'exports', window);
+        setProperty(window, 'global', window);
+        setProperty(window, 'module', {});
+      }
 
-				// fake `WinRTError`
-				setProperty(window, 'WinRTError', Error);
+      function removeBizarroMethods() {
+        var funcProto = Function.prototype,
+            objectProto = Object.prototype;
 
-				// fake free variable `global`
-				setProperty(window, 'exports', window);
-				setProperty(window, 'global', window);
-				setProperty(window, 'module', {});
-			}
+        setProperty(objectProto, 'propertyIsEnumerable', objectProto._propertyIsEnumerable);
 
-			function removeBizarroMethods() {
-				var funcProto = Function.prototype,
-				    objectProto = Object.prototype,
-				    stringProto = String.prototype;
+        if (Object._create) {
+          Object.create = Object._create;
+        } else {
+          delete Object.create;
+        }
+        if (Object._getOwnPropertySymbols) {
+          Object.getOwnPropertySymbols = Object._getOwnPropertySymbols;
+        } else {
+          delete Object.getOwnPropertySymbols;
+        }
+        if (_Map) {
+          Map = _Map;
+        } else {
+          setProperty(window, 'Map', undefined);
+        }
+        if (_Promise) {
+          Promise = _Promise;
+        } else {
+          setProperty(window, 'Promise', undefined);
+        }
+        if (_Set) {
+          Set = _Set;
+        } else {
+          setProperty(window, 'Set', undefined);
+        }
+        if (_Symbol) {
+          Symbol = _Symbol;
+        }
+        if (_WeakMap) {
+          WeakMap = _WeakMap;
+        } else {
+          setProperty(window, 'WeakMap', undefined);
+        }
+        setProperty(window, '_Map', undefined);
+        setProperty(window, '_Promise', undefined);
+        setProperty(window, '_Set', undefined);
+        setProperty(window, '_Symbol', undefined);
+        setProperty(window, '_WeakMap', undefined);
 
-				if (Array._isArray) {
-					setProperty(Array, 'isArray', Array._isArray);
-				} else {
-					delete Array.isArray;
-				}
-				if (Date._now) {
-					setProperty(Date, 'now', Date._now);
-				} else {
-					delete Date.now;
-				}
-				if (Object._getPrototypeOf) {
-					setProperty(Object, 'getPrototypeOf', Object._getPrototypeOf);
-				} else {
-					delete Object.getPrototypeOf;
-				}
-				if (Object._keys) {
-					setProperty(Object, 'keys', Object._keys);
-				} else {
-					delete Object.keys;
-				}
-				if (Number._isFinite) {
-					setProperty(Number, 'isFinite', Number._isFinite);
-				} else {
-					delete Number.isFinite;
-				}
-				if (window._ArrayBuffer) {
-					ArrayBuffer = _ArrayBuffer;
-				}
-				setProperty(window, '_ArrayBuffer', undefined);
+        setProperty(window, 'WinRTError', undefined);
 
-				if (window._Set) {
-					Set = _Set;
-				}
-				setProperty(window, '_Set', undefined);
+        setProperty(window, 'exports', document.getElementById('exports'));
+        setProperty(window, 'global', undefined);
+        setProperty(window, 'module', document.getElementById('module'));
 
-				if (window._WeakMap) {
-					WeakMap = _WeakMap;
-				}
-				setProperty(window, '_WeakMap', undefined);
+        delete funcProto._method;
+        delete Object._create;
+        delete Object._getOwnPropertySymbols;
+        delete objectProto._propertyIsEnumerable;
+      }
 
-				setProperty(window, 'parseInt', window._parseInt);
-				setProperty(window, '_parseInt', undefined);
+      // Load lodash to expose it to the bad extensions/shims.
+      if (!ui.isModularize) {
+        addBizarroMethods();
+        document.write('<script src="' + ui.buildPath + '"><\/script>');
+      }
+    </script>
+    <script>
+      // Store lodash to test for bad extensions/shims.
+      if (!ui.isModularize) {
+        var lodashBizarro = window._;
+        window._ = undefined;
+        removeBizarroMethods();
+      }
+      // Load test scripts.
+      document.write((ui.isForeign || ui.urlParams.loader == 'none')
+        ? '<script src="' + ui.buildPath + '"><\/script><script src="test.js"><\/script>'
+        : '<script data-dojo-config="async:1" src="' + ui.loaderPath + '"><\/script>'
+      );
+    </script>
+    <script>
+      var lodashModule,
+          shimmedModule,
+          underscoreModule;
 
-				document.createDocumentFragment = document._createDocumentFragment;
-				setProperty(document, '_createDocumentFragment', undefined);
+      (function() {
+        if (window.curl) {
+          curl.config({ 'apiName': 'require' });
+        }
+        if (ui.isForeign || !window.require) {
+          return;
+        }
+        var reBasename = /[\w.-]+$/,
+            basePath = ('//' + location.host + location.pathname.replace(reBasename, '')).replace(/\btest\/$/, ''),
+            modulePath = ui.buildPath.replace(/\.js$/, ''),
+            moduleMain = modulePath.match(reBasename)[0],
+            locationPath = modulePath.replace(reBasename, '').replace(/^\/|\/$/g, ''),
+            shimmedLocationPath = './abc/../' + locationPath,
+            underscoreLocationPath = './xyz/../' + locationPath,
+            uid = +new Date;
 
-				setProperty(window, 'WinRTError', undefined);
+        function getConfig() {
+          var result = {
+            'baseUrl': './',
+            'urlArgs': 't=' + uid++,
+            'waitSeconds': 0,
+            'paths': {},
+            'packages': [{
+              'name': 'test',
+              'location': basePath + 'test',
+              'main': 'test',
+              'config': {
+                // Work around no global being exported.
+                'exports': 'QUnit',
+                'loader': 'curl/loader/legacy'
+              }
+            }],
+            'shim': {
+              'shimmed': {
+                'exports': '_'
+              }
+            }
+          };
 
-				setProperty(window, 'exports', undefined);
-				setProperty(window, 'global', undefined);
-				setProperty(window, 'module', undefined);
+          if (ui.isModularize) {
+            result.packages.push({
+              'name': 'lodash',
+              'location': locationPath,
+              'main': moduleMain
+            }, {
+              'name': 'shimmed',
+              'location': shimmedLocationPath,
+              'main': moduleMain
+            }, {
+              'name': 'underscore',
+              'location': underscoreLocationPath,
+              'main': moduleMain
+            });
+          } else {
+            result.paths.lodash = modulePath;
+            result.paths.shimmed = shimmedLocationPath + '/' + moduleMain;
+            result.paths.underscore = underscoreLocationPath + '/' + moduleMain;
+          }
+          return result;
+        }
 
-				setProperty(objectProto, 'propertyIsEnumerable', objectProto._propertyIsEnumerable);
+        function loadTests() {
+          require(getConfig(), ['test'], function() {
+            QUnit.start();
+          });
+        }
 
-				delete Array._isArray;
-				delete Date._now;
-				delete funcProto._method;
-				delete Object._create;
-				delete Object._getPrototypeOf;
-				delete Object._keys;
-				delete objectProto._propertyIsEnumerable;
-			}
+        function loadModulesAndTests() {
+          require(getConfig(), ['lodash', 'shimmed', 'underscore'], function(lodash, shimmed, underscore) {
+            lodashModule = lodash;
+            lodashModule.moduleName = 'lodash';
 
-			// load lodash and expose it to the bad extensions/shims
-			if (!ui.isModularize) {
-				addBizarroMethods();
-				document.write('<script src="' + ui.buildPath + '"><\/script>');
-			}
-		</script>
-		<script>
-			// store lodash to test for bad extensions/shims
-			if (!ui.isModularize) {
-				var lodashBizarro = window._;
-				window._ = undefined;
-				removeBizarroMethods();
-			}
-			// load test scripts
-			document.write((ui.isForeign || ui.urlParams.loader == 'none')
-				? '<script src="' + ui.buildPath + '"><\/script><script src="test.js"><\/script>'
-				: '<script data-dojo-config="async:1" src="' + ui.loaderPath + '"><\/script>'
-			);
-		</script>
-		<script>
-			var lodashModule,
-			    shimmedModule,
-			    underscoreModule;
+            if (shimmed) {
+              shimmedModule = shimmed.result(shimmed, 'noConflict') || shimmed;
+              shimmedModule.moduleName = 'shimmed';
+            }
+            if (underscore) {
+              underscoreModule = underscore.result(underscore, 'noConflict') || underscore;
+              underscoreModule.moduleName = 'underscore';
+            }
+            window._ = lodash;
 
-			(function() {
-				if (window.curl) {
-					curl.config({ 'apiName': 'require' });
-				}
-				if (ui.isForeign || !window.require) {
-					return;
-				}
-				var reBasename = /[\w.-]+$/,
-				    basePath = ('//' + location.host + location.pathname.replace(reBasename, '')).replace(/\btest\/$/, ''),
-				    modulePath = ui.buildPath.replace(/\.js$/, ''),
-				    moduleMain = modulePath.match(reBasename)[0],
-				    locationPath = modulePath.replace(reBasename, '').replace(/^\/|\/$/g, ''),
-				    shimmedLocationPath = './abc/../' + locationPath,
-				    underscoreLocationPath = './xyz/../' + locationPath,
-				    uid = +new Date;
+            if (ui.isModularize) {
+              require(getConfig(), [
+                'lodash/_baseEach',
+                'lodash/_isIndex',
+                'lodash/_isIterateeCall'
+              ], function(baseEach, isIndex, isIterateeCall) {
+                lodash._baseEach = baseEach;
+                lodash._isIndex = isIndex;
+                lodash._isIterateeCall = isIterateeCall;
+                loadTests();
+              });
+            } else {
+              loadTests();
+            }
+          });
+        }
 
-				function getConfig() {
-					var result = {
-						'baseUrl': './',
-						'urlArgs': 't=' + uid++,
-						'waitSeconds': 0,
-						'paths': {},
-						'packages': [{
-							'name': 'test',
-							'location': basePath + 'test',
-							'main': 'test',
-							'config': {
-								// work around no global being exported
-								'exports': 'QUnit',
-								'loader': 'curl/loader/legacy'
-							}
-						}],
-						'shim': {
-							'shimmed': {
-								'exports': '_'
-							}
-						}
-					};
+        QUnit.config.autostart = false;
 
-					if (ui.isModularize) {
-						result.packages.push({
-							'name': 'lodash',
-							'location': locationPath,
-							'main': moduleMain
-						}, {
-							'name': 'shimmed',
-							'location': shimmedLocationPath,
-							'main': moduleMain
-						}, {
-							'name': 'underscore',
-							'location': underscoreLocationPath,
-							'main': moduleMain
-						});
-					} else {
-						result.paths.lodash = modulePath;
-						result.paths.shimmed = shimmedLocationPath + '/' + moduleMain;
-						result.paths.underscore = underscoreLocationPath + '/' + moduleMain;
-					}
-					return result;
-				}
+        if (window.requirejs) {
+          addBizarroMethods();
+          require(getConfig(), ['lodash'], function(lodash) {
+            lodashBizarro = lodash.result(lodash, 'noConflict') || lodash;
+            delete requirejs.s.contexts._;
 
-				function loadTests() {
-					require(getConfig(), ['test'], function() {
-						QUnit.start();
-					});
-				}
+            removeBizarroMethods();
+            loadModulesAndTests();
+          });
+        } else {
+          loadModulesAndTests();
+        }
+      }());
 
-				function loadModulesAndTests() {
-					require(getConfig(), ['lodash', 'shimmed', 'underscore'], function(lodash, shimmed, underscore) {
-						lodashModule = lodash;
-						lodashModule.moduleName = 'lodash';
-
-						if (shimmed) {
-							shimmedModule = shimmed.result(shimmed, 'noConflict') || shimmed;
-							shimmedModule.moduleName = 'shimmed';
-						}
-						if (underscore) {
-							underscoreModule = underscore.result(underscore, 'noConflict') || underscore;
-							underscoreModule.moduleName = 'underscore';
-						}
-						if (ui.isModularize) {
-							window._ = lodash;
-						}
-						if (ui.isModularize) {
-							require(getConfig(), [
-								'lodash/internal/baseEach',
-								'lodash/internal/isIndex',
-								'lodash/internal/isIterateeCall',
-								'lodash/internal/isLength'
-							], function(baseEach, isIndex, isIterateeCall, isLength) {
-								lodash._baseEach = baseEach;
-								lodash._isIndex = isIndex;
-								lodash._isIterateeCall = isIterateeCall;
-								lodash._isLength = isLength;
-								loadTests();
-							});
-						} else {
-							loadTests();
-						}
-					});
-				}
-
-				QUnit.config.autostart = false;
-
-				if (window.requirejs) {
-					addBizarroMethods();
-					require(getConfig(), ['lodash'], function(lodash) {
-						lodashBizarro = lodash.result(lodash, 'noConflict') || lodash;
-						delete requirejs.s.contexts._;
-
-						removeBizarroMethods();
-						loadModulesAndTests();
-					});
-				} else {
-					loadModulesAndTests();
-				}
-			}());
-
-			// set a more readable browser name
-			window.onload = function() {
-				var timeoutId = setInterval(function() {
-					var ua = document.getElementById('qunit-userAgent');
-					if (ua) {
-						ua.innerHTML = platform;
-						clearInterval(timeoutId);
-					}
-				}, 16);
-			};
-		</script>
-	</body>
+      // Set a more readable browser name.
+      window.onload = function() {
+        var timeoutId = setInterval(function() {
+          var ua = document.getElementById('qunit-userAgent');
+          if (ua) {
+            ua.innerHTML = platform;
+            clearInterval(timeoutId);
+          }
+        }, 16);
+      };
+    </script>
+  </body>
 </html>

test/remove.js

@@ -0,0 +1,27 @@
+#!/usr/bin/env node
+'use strict';
+
+var _ = require('../lodash'),
+    fs = require('fs'),
+    path = require('path');
+
+var args = (args = process.argv)
+  .slice((args[0] === process.execPath || args[0] === 'node') ? 2 : 0);
+
+var filePath = path.resolve(args[1]),
+    reLine = /.*/gm;
+
+var pattern = (function() {
+  var result = args[0],
+      delimiter = result.charAt(0),
+      lastIndex = result.lastIndexOf(delimiter);
+
+  return RegExp(result.slice(1, lastIndex), result.slice(lastIndex + 1));
+}());
+
+/*----------------------------------------------------------------------------*/
+
+fs.writeFileSync(filePath, fs.readFileSync(filePath, 'utf8').replace(pattern, function(match) {
+  var snippet = _.slice(arguments, -3, -2)[0];
+  return match.replace(snippet, snippet.replace(reLine, ''));
+}));

test/run-test.sh

@@ -1,14 +0,0 @@
-cd "$(dirname "$0")"
-
-echo "Testing in node..."
-node test.js ../lodash.src.js
-
-for cmd in rhino "rhino -require" ringo phantomjs; do
-  echo ""
-  echo "Testing in $cmd..."
-  $cmd test.js ../lodash.src.js
-done
-
-echo ""
-echo "Testing in a browser..."
-open index.html

test/saucelabs.js

@@ -4,11 +4,6 @@
 /** Environment shortcut. */
 var env = process.env;
 
-if (env.TRAVIS_SECURE_ENV_VARS == 'false') {
-  console.log('Skipping Sauce Labs jobs; secure environment variables are unavailable');
-  process.exit(0);
-}
-
 /** Load Node.js modules. */
 var EventEmitter = require('events').EventEmitter,
     http = require('http'),
@@ -17,7 +12,7 @@ var EventEmitter = require('events').EventEmitter,
     util = require('util');
 
 /** Load other modules. */
-var _ = require('../lodash.src.js'),
+var _ = require('../lodash.js'),
     chalk = require('chalk'),
     ecstatic = require('ecstatic'),
     request = require('request'),
@@ -76,7 +71,7 @@ var advisor = getOption('advisor', false),
     framework = getOption('framework', 'qunit'),
     idleTimeout = getOption('idleTimeout', 60),
     jobName = getOption('name', 'unit tests'),
-    maxDuration = getOption('maxDuration', 120),
+    maxDuration = getOption('maxDuration', 180),
     port = ports[Math.min(_.sortedIndex(ports, getOption('port', 9001)), ports.length - 1)],
     publicAccess = getOption('public', true),
     queueTimeout = getOption('queueTimeout', 240),
@@ -97,33 +92,23 @@ var browserNameMap = {
   'googlechrome': 'Chrome',
   'iehta': 'Internet Explorer',
   'ipad': 'iPad',
-  'iphone': 'iPhone'
+  'iphone': 'iPhone',
+  'microsoftedge': 'Edge'
 };
 
 /** List of platforms to load the runner on. */
 var platforms = [
-  ['Linux', 'android', '5.0'],
-  ['Linux', 'android', '4.4'],
-  ['Linux', 'android', '4.0'],
-  ['Windows 8.1', 'firefox', '36'],
-  ['Windows 8.1', 'firefox', '35'],
-  ['Windows 8.1', 'firefox', '20'],
-  ['Windows 8.1', 'chrome', '41'],
-  ['Windows 8.1', 'chrome', '40'],
-  ['Windows 8.1', 'internet explorer', '11'],
+  ['Linux', 'android', '5.1'],
+  ['Windows 10', 'chrome', '54'],
+  ['Windows 10', 'chrome', '53'],
+  ['Windows 10', 'firefox', '50'],
+  ['Windows 10', 'firefox', '49'],
+  ['Windows 10', 'microsoftedge', '14'],
+  ['Windows 10', 'internet explorer', '11'],
   ['Windows 8', 'internet explorer', '10'],
   ['Windows 7', 'internet explorer', '9'],
-  ['Windows 7', 'internet explorer', '8'],
-  ['Windows XP', 'internet explorer', '7'],
-  ['Windows XP', 'internet explorer', '6'],
-  ['Windows 7', 'opera', '12'],
-  ['Windows 7', 'opera', '11'],
-  ['OS X 10.9', 'ipad', '8.1'],
-  ['OS X 10.6', 'ipad', '4'],
-  ['OS X 10.10', 'safari', '8'],
-  ['OS X 10.9', 'safari', '7'],
-  ['OS X 10.8', 'safari', '6'],
-  ['OS X 10.6', 'safari', '5']
+  ['macOS 10.12', 'safari', '10'],
+  ['OS X 10.11', 'safari', '9']
 ];
 
 /** Used to tailor the `platforms` array. */
@@ -134,7 +119,7 @@ var isAMD = _.includes(tags, 'amd'),
 // The platforms to test IE compatibility modes.
 if (compatMode) {
   platforms = [
-    ['Windows 8.1', 'internet explorer', '11'],
+    ['Windows 10', 'internet explorer', '11'],
     ['Windows 8', 'internet explorer', '10'],
     ['Windows 7', 'internet explorer', '9'],
     ['Windows 7', 'internet explorer', '8']
@@ -161,6 +146,7 @@ if (isBackbone) {
 
     switch (browser) {
       case 'Firefox': return version >= 4;
+      case 'Internet Explorer': return version >= 7;
       case 'iPad': return version >= 5;
       case 'Opera': return version >= 12;
     }
@@ -222,18 +208,7 @@ if (tunneled) {
  * @returns {string} Returns the formal browser name.
  */
 function browserName(identifier) {
-  return browserNameMap[identifier] || capitalizeWords(identifier);
-}
-
-/**
- * Capitalizes the first character of each word in `string`.
- *
- * @private
- * @param {string} string The string to augment.
- * @returns {string} Returns the augmented string.
- */
-function capitalizeWords(string) {
-  return _.map(string.split(' '), _.capitalize).join(' ');
+  return browserNameMap[identifier] || _.startCase(identifier);
 }
 
 /**
@@ -277,7 +252,7 @@ function isJobId(value) {
  */
 function logInline(text) {
   var blankLine = _.repeat(' ', _.size(prevLine));
-  prevLine = text = _.trunc(text, 40);
+  prevLine = text = _.truncate(text, { 'length': 40 });
   process.stdout.write(text + blankLine.slice(text.length) + '\r');
 }
 
@@ -299,7 +274,7 @@ function logThrobber() {
  * @returns {Array} Returns the new converted array.
  */
 function optionToArray(name, string) {
-  return _.compact(_.invoke((optionToValue(name, string) || '').split(/, */), 'trim'));
+  return _.compact(_.invokeMap((optionToValue(name, string) || '').split(/, */), 'trim'));
 }
 
 /**
@@ -313,7 +288,7 @@ 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') {
@@ -385,8 +360,8 @@ 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) {
@@ -427,19 +402,19 @@ 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;
@@ -459,9 +434,9 @@ function onJobStatus(error, res, body) {
     this._pollerId = _.delay(_.bind(this.status, this), this.statusInterval * 1000);
     return;
   }
-  var description = browserName(platform[1]) + ' ' + platform[2] + ' on ' + capitalizeWords(platform[0]),
+  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;
 
@@ -482,7 +457,7 @@ 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);
@@ -561,7 +536,7 @@ util.inherits(Job, EventEmitter);
  * @param {Object} Returns the job instance.
  */
 Job.prototype.remove = function(callback) {
-  this.once('remove', _.callback(callback));
+  this.once('remove', _.iteratee(callback));
   if (this.removing) {
     return this;
   }
@@ -586,7 +561,7 @@ Job.prototype.remove = function(callback) {
  * @param {Object} Returns the job instance.
  */
 Job.prototype.reset = function(callback) {
-  this.once('reset', _.callback(callback));
+  this.once('reset', _.iteratee(callback));
   if (this.resetting) {
     return this;
   }
@@ -602,7 +577,7 @@ Job.prototype.reset = function(callback) {
  * @param {Object} Returns the job instance.
  */
 Job.prototype.restart = function(callback) {
-  this.once('restart', _.callback(callback));
+  this.once('restart', _.iteratee(callback));
   if (this.restarting) {
     return this;
   }
@@ -610,7 +585,7 @@ Job.prototype.restart = function(callback) {
 
   var options = this.options,
       platform = options.platforms[0],
-      description = browserName(platform[1]) + ' ' + platform[2] + ' on ' + capitalizeWords(platform[0]),
+      description = browserName(platform[1]) + ' ' + platform[2] + ' on ' + _.startCase(platform[0]),
       label = options.name + ':';
 
   logInline();
@@ -627,7 +602,7 @@ Job.prototype.restart = function(callback) {
  * @param {Object} Returns the job instance.
  */
 Job.prototype.start = function(callback) {
-  this.once('start', _.callback(callback));
+  this.once('start', _.iteratee(callback));
   if (this.starting || this.running) {
     return this;
   }
@@ -648,7 +623,7 @@ Job.prototype.start = function(callback) {
  * @param {Object} Returns the job instance.
  */
 Job.prototype.status = function(callback) {
-  this.once('status', _.callback(callback));
+  this.once('status', _.iteratee(callback));
   if (this.checking || this.removing || this.resetting || this.restarting || this.starting || this.stopping) {
     return this;
   }
@@ -670,7 +645,7 @@ Job.prototype.status = function(callback) {
  * @param {Object} Returns the job instance.
  */
 Job.prototype.stop = function(callback) {
-  this.once('stop', _.callback(callback));
+  this.once('stop', _.iteratee(callback));
   if (this.stopping) {
     return this;
   }
@@ -708,14 +683,14 @@ function Tunnel(properties) {
   var active = [],
       queue = [];
 
-  var all = _.map(this.platforms, function(platform) {
+  var all = _.map(this.platforms, _.bind(function(platform) {
     return new Job(_.merge({
       'user': this.user,
       'pass': this.pass,
       'tunnel': this,
       'options': { 'platforms': [platform] }
     }, this.job));
-  }, this);
+  }, this));
 
   var completed = 0,
       restarted = [],
@@ -723,7 +698,7 @@ function Tunnel(properties) {
       total = all.length,
       tunnel = this;
 
-  _.invoke(all, 'on', 'complete', function() {
+  _.invokeMap(all, 'on', 'complete', function() {
     _.pull(active, this);
     if (success) {
       success = !this.failed;
@@ -735,7 +710,7 @@ function Tunnel(properties) {
     tunnel.dequeue();
   });
 
-  _.invoke(all, 'on', 'restart', function() {
+  _.invokeMap(all, 'on', 'restart', function() {
     if (!_.includes(restarted, this)) {
       restarted.push(this);
     }
@@ -769,7 +744,7 @@ util.inherits(Tunnel, EventEmitter);
  * @param {Function} callback The function called once the tunnel is restarted.
  */
 Tunnel.prototype.restart = function(callback) {
-  this.once('restart', _.callback(callback));
+  this.once('restart', _.iteratee(callback));
   if (this.restarting) {
     return this;
   }
@@ -783,7 +758,7 @@ Tunnel.prototype.restart = function(callback) {
       all = jobs.all;
 
   var reset = _.after(all.length, _.bind(this.stop, this, onGenericRestart)),
-      stop = _.after(active.length, _.partial(_.invoke, all, 'reset', reset));
+      stop = _.after(active.length, _.partial(_.invokeMap, all, 'reset', reset));
 
   if (_.isEmpty(active)) {
     _.defer(stop);
@@ -791,7 +766,7 @@ Tunnel.prototype.restart = function(callback) {
   if (_.isEmpty(all)) {
     _.defer(reset);
   }
-  _.invoke(active, 'stop', function() {
+  _.invokeMap(active, 'stop', function() {
     _.pull(active, this);
     stop();
   });
@@ -811,7 +786,7 @@ Tunnel.prototype.restart = function(callback) {
  * @param {Object} Returns the tunnel instance.
  */
 Tunnel.prototype.start = function(callback) {
-  this.once('start', _.callback(callback));
+  this.once('start', _.iteratee(callback));
   if (this.starting || this.running) {
     return this;
   }
@@ -835,13 +810,16 @@ Tunnel.prototype.start = function(callback) {
  * @param {Object} Returns the tunnel instance.
  */
 Tunnel.prototype.dequeue = function() {
-  var jobs = this.jobs,
+  var count = 0,
+      jobs = this.jobs,
       active = jobs.active,
       queue = jobs.queue,
       throttled = this.throttled;
 
   while (queue.length && (active.length < throttled)) {
-    active.push(queue.shift().start());
+    var job = queue.shift();
+    active.push(job);
+    _.delay(_.bind(job.start, job), ++count * 1000);
   }
   return this;
 };
@@ -854,7 +832,7 @@ Tunnel.prototype.dequeue = function() {
  * @param {Object} Returns the tunnel instance.
  */
 Tunnel.prototype.stop = function(callback) {
-  this.once('stop', _.callback(callback));
+  this.once('stop', _.iteratee(callback));
   if (this.stopping) {
     return this;
   }
@@ -879,7 +857,7 @@ Tunnel.prototype.stop = function(callback) {
   if (_.isEmpty(active)) {
     _.defer(stop);
   }
-  _.invoke(active, 'stop', function() {
+  _.invokeMap(active, 'stop', function() {
     _.pull(active, this);
     stop();
   });

test/underscore.html

@@ -1,253 +1,466 @@
 <!doctype html>
 <html lang="en">
-	<head>
-		<meta charset="utf-8">
-		<title>Underscore Test Suite</title>
-		<link rel="stylesheet" href="../node_modules/qunitjs/qunit/qunit.css">
-		<style>
-			iframe {
-				display: none;
-			}
-		</style>
-	</head>
-	<body>
-		<div id="qunit"></div>
-		<div id="qunit-fixture">
-			<div id="map-test">
-				<div id="id1"></div>
-				<div id="id2"></div>
-			</div>
-			<img id="chart_image" src="data:image/gif;base64,R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==">
-		</div>
-		<script>
-			// avoid reporting tests to Sauce Labs when script errors occur
-			if (location.port == '9001') {
-				window.onerror = function(message) {
-					if (window.QUnit) {
-						QUnit.config.done.length = 0;
-					}
-					global_test_results = { 'message': message };
-				};
-			}
-		</script>
-		<script src="../node_modules/qunitjs/qunit/qunit.js"></script>
-		<script src="../node_modules/qunit-extras/qunit-extras.js"></script>
-		<script src="../node_modules/jquery/dist/jquery.js"></script>
-		<script src="../node_modules/platform/platform.js"></script>
-		<script src="./asset/test-ui.js"></script>
-		<script>
-			QUnit.config.asyncRetries = 10;
-			QUnit.config.hidepassed = true;
+  <head>
+    <meta charset="utf-8">
+    <title>Underscore Test Suite</title>
+    <link rel="stylesheet" href="../node_modules/qunitjs/qunit/qunit.css">
+  </head>
+  <body>
+    <div id="qunit"></div>
+    <script>
+      // Avoid reporting tests to Sauce Labs when script errors occur.
+      if (location.port == '9001') {
+        window.onerror = function(message) {
+          if (window.QUnit) {
+            QUnit.config.done.length = 0;
+          }
+          global_test_results = { 'message': message };
+        };
+      }
+    </script>
+    <script src="../node_modules/qunitjs/qunit/qunit.js"></script>
+    <script src="../node_modules/qunit-extras/qunit-extras.js"></script>
+    <script src="../node_modules/jquery/dist/jquery.js"></script>
+    <script src="../node_modules/platform/platform.js"></script>
+    <script src="./asset/test-ui.js"></script>
+    <script src="../lodash.js"></script>
+    <script>
+      QUnit.config.asyncRetries = 10;
+      QUnit.config.hidepassed = true;
+      QUnit.config.excused = {
+        'Arrays': {
+          'chunk': [
+            'defaults to empty array (chunk size 0)'
+          ],
+          'difference': [
+            'can perform an OO-style difference'
+          ],
+          'drop': [
+            'is an alias for rest'
+          ],
+          'first': [
+            'returns an empty array when n <= 0 (0 case)',
+            'returns an empty array when n <= 0 (negative case)',
+            'can fetch the first n elements',
+            'returns the whole array if n > length'
+          ],
+          'findIndex': [
+            'called with context'
+          ],
+          'findLastIndex': [
+            'called with context'
+          ],
+          'flatten': [
+            'supports empty arrays',
+            'can flatten nested arrays',
+            'works on an arguments object',
+            'can handle very deep arrays'
+          ],
+          'indexOf': [
+            "sorted indexOf doesn't uses binary search",
+            '0'
+          ],
+          'initial': [
+            'returns all but the last n elements',
+            'returns an empty array when n > length',
+            'works on an arguments object'
+          ],
+          'intersection': [
+            'can perform an OO-style intersection'
+          ],
+          'last': [
+            'returns an empty array when n <= 0 (0 case)',
+            'returns an empty array when n <= 0 (negative case)',
+            'can fetch the last n elements',
+            'returns the whole array if n > length'
+          ],
+          'lastIndexOf': [
+            'should treat falsey `fromIndex` values, except `0` and `NaN`, as `array.length`',
+            'should treat non-number `fromIndex` values as `array.length`',
+            '[0,-1,-1]'
+          ],
+          'object': [
+            'an array of pairs zipped together into an object',
+            'an object converted to pairs and back to an object'
+          ],
+          'rest': [
+            'returns the whole array when index is 0',
+            'returns elements starting at the given index',
+            'works on an arguments object'
+          ],
+          'sortedIndex': [
+            '2',
+            '3'
+          ],
+          'tail': [
+            'is an alias for rest'
+          ],
+          'take': [
+            'is an alias for first'
+          ],
+          'uniq': [
+            'uses the result of `iterator` for uniqueness comparisons (unsorted case)',
+            '`sorted` argument defaults to false when omitted',
+            'when `iterator` is a string, uses that key for comparisons (unsorted case)',
+            'uses the result of `iterator` for uniqueness comparisons (sorted case)',
+            'when `iterator` is a string, uses that key for comparisons (sorted case)',
+            'can use falsey pluck like iterator'
+          ],
+          'union': [
+            'can perform an OO-style union'
+          ]
+        },
+        'Chaining': {
+          'pop': true,
+          'shift': true,
+          'splice': true,
+          'reverse/concat/unshift/pop/map': [
+            'can chain together array functions.'
+          ]
+        },
+        'Collections': {
+          'lookupIterator with contexts': true,
+          'Iterating objects with sketchy length properties': true,
+          'Resistant to collection length and properties changing while iterating': true,
+          'countBy': [
+            '{}',
+            '[{}]'
+          ],
+          'each': [
+            'context object property accessed'
+          ],
+          'every': [
+            'Can be called with object',
+            'Died on test #15',
+            'context works'
+          ],
+          'filter': [
+            'given context',
+            'OO-filter'
+          ],
+          'find': [
+            'called with context'
+          ],
+          'findWhere': [
+            'checks properties given function'
+          ],
+          'groupBy': [
+            '{}',
+            '[{}]'
+          ],
+          'includes': [
+            "doesn't delegate to binary search"
+          ],
+          'invoke': [
+            'handles null & undefined'
+          ],
+          'map': [
+            'tripled numbers with context',
+            'OO-style doubled numbers'
+          ],
+          'max': [
+            'can handle null/undefined',
+            'can perform a computation-based max',
+            'Maximum value of an empty object',
+            'Maximum value of an empty array',
+            'Maximum value of a non-numeric collection',
+            'Finds correct max in array starting with num and containing a NaN',
+            'Finds correct max in array starting with NaN',
+            'Respects iterator return value of -Infinity',
+            'String keys use property iterator',
+            'Iterator context',
+            'Lookup falsy iterator'
+          ],
+          'min': [
+            'can handle null/undefined',
+            'can perform a computation-based min',
+            'Minimum value of an empty object',
+            'Minimum value of an empty array',
+            'Minimum value of a non-numeric collection',
+            'Finds correct min in array starting with NaN',
+            'Respects iterator return value of Infinity',
+            'String keys use property iterator',
+            'Iterator context',
+            'Lookup falsy iterator'
+          ],
+          'partition': [
+            'can reference the array index',
+            'Died on test #8',
+            'partition takes a context argument'
+          ],
+          'pluck': [
+            '[1]'
+          ],
+          'reduce': [
+            'can reduce with a context object'
+          ],
+          'reject': [
+            'Returns empty list given empty array'
+          ],
+          'sample': [
+            'behaves correctly on negative n',
+            'Died on test #3'
+          ],
+          'some': [
+            'Can be called with object',
+            'Died on test #17',
+            'context works'
+          ],
+          'where': [
+            'checks properties given function'
+          ],
+          'Can use various collection methods on NodeLists': [
+            '<span id="id2"></span>'
+          ]
+        },
+        'Functions': {
+          'debounce asap': true,
+          'debounce asap cancel': 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,
+          'before': true,
+          'bind': [
+            'Died on test #2'
+          ],
+          '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'
+          ]
+        },
+        'Objects': {
+          '#1929 Typed Array constructors are functions': true,
+          'allKeys': [
+            'is not fooled by sparse arrays; see issue #95',
+            'is not fooled by sparse arrays with additional properties',
+            '[]'
+          ],
+          'extend': [
+            'extending null results in null',
+            'extending undefined results in undefined'
+          ],
+          'extendOwn': [
+            'extending non-objects results in returning the non-object value',
+            'extending undefined results in undefined'
+          ],
+          'functions': [
+            'also looks up functions on the prototype'
+          ],
+          'isEqual': [
+            '`0` is not equal to `-0`',
+            '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'
+          ],
+          'isSet': [
+            'Died on test #9'
+          ],
+          'findKey': [
+            'called with context'
+          ],
+          'keys': [
+            'is not fooled by sparse arrays; see issue #95',
+            '[]'
+          ],
+          'mapObject': [
+            'keep context',
+            'called with context',
+            'mapValue identity'
+          ],
+          'omit': [
+            'can accept a predicate',
+            'function is given context'
+          ],
+          'pick': [
+            'can accept a predicate and context',
+            'function is given context'
+          ]
+        },
+        'Utility': {
+          '_.escape & unescape': [
+            '` is escaped',
+            '` can be unescaped',
+            'can escape multiple occurances of `',
+            'multiple occurrences of ` can be unescaped'
+          ],
+          'now': [
+            'Produces the correct time in milliseconds'
+          ],
+          'times': [
+            'works as a wrapper'
+          ]
+        }
+      };
 
-			// excuse tests we intentionally fail or those with problems
-			QUnit.config.excused = {
-				'Arrays': {
-					'drop': [
-						'alias for rest'
-					],
-					'first': [
-						'can pass an index to first',
-						'[1,2]',
-						'0'
-					],
-					'flatten': [
-						'Flattens empty arrays',
-						'can flatten nested arrays',
-						'can shallowly flatten nested arrays',
-						'works on an arguments object',
-						'can shallowly flatten arrays containing only other arrays'
-					],
-					'initial': [
-						'initial can take an index',
-						'initial can take a large index',
-						'initial works on arguments object'
-					],
-					'intersection': [
-						'can perform an OO-style intersection',
-						'returns an empty array when passed null as first argument',
-						'returns an empty array when passed null as argument beyond the first'
-					],
-					'last': [
-						'can pass an index to last',
-						'0'
-					],
-					'lastIndexOf': [
-						'[0,-1,-1]'
-					],
-					'rest': [
-						'working rest(0)',
-						'rest can take an index',
-						'works on arguments object'
-					],
-					'take': [
-						'alias for first'
-					]
-				},
-				'Chaining': {
-					'pop': true,
-					'shift': true,
-					'splice': true,
-					'reverse/concat/unshift/pop/map': [
-						'can chain together array functions.'
-					]
-				},
-				'Collections': {
-					'filter': [
-						'OO-filter'
-					],
-					'invoke': [
-						'handles null & undefined'
-					],
-					'map': [
-						'OO-style doubled numbers'
-					],
-					'Resistant to collection length and properties changing while iterating': [
-						'Died on test #50'
-					]
-				},
-				'Functions': {
-					'bind': [
-						'Died on test #2'
-					],
-					'bindAll': [
-						'throws an error for bindAll with no functions named'
-					],
-					'memoize': [
-						'{"bar":"BAR","foo":"FOO"}',
-						'Died on test #8'
-					],
-					'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,
-					'debounce asap': true
-				},
-				'Objects': {
-					'#1929 Typed Array constructors are functions': true,
-					'allKeys': true,
-					'extendOwn': true,
-					'mapObject': true,
-					'matcher': true,
-					'matcher ': true,
-					'extend': [
-						'extend copies all properties from source'
-					],
-					'isFinite': [
-						'Numeric strings are numbers',
-						'Number instances can be finite'
-					],
-					'isMatch': [
-						'inherited and own properties are checked on the test object',
-						'doesnt falsey match constructor on undefined/null'
-					],
-					'keys': [
-						'is not fooled by sparse arrays; see issue #95',
-						'[]'
-					],
-					'matches': [
-						'inherited and own properties are checked on the test object',
-						'doesnt fasley match constructor on undefined/null'
-					]
-				},
-				'Utility': {
-					'_.templateSettings.variable': [
-						'"x"'
-					],
-					'times': [
-						'works as a wrapper'
-					]
-				}
-			};
+      var mixinPrereqs = (function() {
+        var aliasToReal = {
+          'all': 'every',
+          'allKeys': 'keysIn',
+          'any': 'some',
+          'collect': 'map',
+          'compose': 'flowRight',
+          'contains': 'includes',
+          'detect': 'find',
+          'extendOwn': 'assign',
+          'findWhere': 'find',
+          'foldl': 'reduce',
+          'foldr': 'reduceRight',
+          'include': 'includes',
+          'indexBy': 'keyBy',
+          'inject': 'reduce',
+          'invoke': 'invokeMap',
+          'mapObject': 'mapValues',
+          'matcher': 'matches',
+          'methods': 'functions',
+          'object': 'zipObject',
+          'pairs': 'toPairs',
+          'pluck': 'map',
+          'restParam': 'restArgs',
+          'select': 'filter',
+          'unique': 'uniq',
+          'where': 'filter'
+        };
 
-			// only excuse in Sauce Labs (buggy Safari and timers)
-			if (!ui.isSauceLabs) {
-				delete QUnit.config.excused.Functions['throttle repeatedly with results'];
-				delete QUnit.config.excused.Functions['more throttle does not trigger leading call when leading is set to false'];
-				delete QUnit.config.excused.Functions['throttle does not trigger trailing call when trailing is set to false'];
-				delete QUnit.config.excused.Functions['debounce asap'];
-			}
-			// load test scripts
-			document.write(ui.urlParams.loader != 'none'
-				? '<script data-dojo-config="async:1" src="' + ui.loaderPath + '"><\/script>'
-				: ([
-					'<script src="' + ui.buildPath + '"><\/script>',
-					'<script src="../vendor/underscore/test/collections.js"><\/script>',
-					'<script src="../vendor/underscore/test/arrays.js"><\/script>',
-					'<script src="../vendor/underscore/test/functions.js"><\/script>',
-					'<script src="../vendor/underscore/test/objects.js"><\/script>',
-					'<script src="../vendor/underscore/test/utility.js"><\/script>',
-					'<script src="../vendor/underscore/test/chaining.js"><\/script>'
-				  ].join('\n'))
-			);
-		</script>
-		<script>
-			(function() {
-				if (window.curl) {
-					curl.config({ 'apiName': 'require' });
-				}
-				if (!window.require) {
-					return;
-				}
-				var reBasename = /[\w.-]+$/,
-				    basePath = ('//' + location.host + location.pathname.replace(reBasename, '')).replace(/\btest\/$/, ''),
-				    modulePath = ui.buildPath.replace(/\.js$/, ''),
-				    locationPath = modulePath.replace(reBasename, '').replace(/^\/|\/$/g, ''),
-				    moduleId = /\bunderscore\b/i.test(ui.buildPath) ? 'underscore' : 'lodash',
-				    moduleMain = modulePath.match(reBasename)[0],
-				    uid = +new Date;
+        var keyMap = {
+          'rest': 'tail',
+          'restArgs': 'rest'
+        };
 
-				function getConfig() {
-					var result = {
-						'baseUrl': './',
-						'urlArgs': 't=' + uid++,
-						'waitSeconds': 0,
-						'paths': {},
-						'packages': [{
-							'name': 'test',
-							'location': '../vendor/underscore/test',
-							'config': {
-								// work around no global being exported
-								'exports': 'QUnit',
-								'loader': 'curl/loader/legacy'
-							}
-						}]
-					};
+        var lodash = _.noConflict();
 
-					if (ui.isModularize) {
-						result.packages.push({
-							'name': moduleId,
-							'location': locationPath,
-							'main': moduleMain
-						});
-					} else {
-						result.paths[moduleId] = modulePath;
-					}
-					return result;
-				}
+        return function(_) {
+          lodash(_)
+            .defaultsDeep({ 'templateSettings': lodash.templateSettings })
+            .mixin(lodash.pick(lodash, lodash.difference(lodash.functions(lodash), lodash.functions(_))))
+            .value();
 
-				QUnit.config.autostart = false;
+          lodash.forOwn(keyMap, function(realName, otherName) {
+            _[otherName] = lodash[realName];
+            _.prototype[otherName] = lodash.prototype[realName];
+          });
+          lodash.forOwn(aliasToReal, function(realName, alias) {
+            _[alias] = _[realName];
+            _.prototype[alias] = _.prototype[realName];
+          });
+          return _;
+        };
+      }());
 
-				require(getConfig(), [moduleId], function(lodash) {
-					if (ui.isModularize) {
-						window._ = lodash;
-					}
-					require(getConfig(), [
-						'test/collections',
-						'test/arrays',
-						'test/functions',
-						'test/objects',
-						'test/utility',
-						'test/chaining'
-					], function() {
-						QUnit.start();
-					});
-				});
-			}());
-		</script>
-		<script type="text/html" id="template">
-			<%
-			// a comment
-			if (data) { data += 12345; }; %>
-			<li><%= data %></li>
-		</script>
-	</body>
+      // Only excuse in Sauce Labs.
+      if (!ui.isSauceLabs) {
+        delete QUnit.config.excused.Functions['throttle does not trigger trailing call when trailing is set to false'];
+        delete QUnit.config.excused.Utility.now;
+      }
+      // Load prerequisite scripts.
+      document.write(ui.urlParams.loader == 'none'
+        ? '<script src="' + ui.buildPath + '"><\/script>'
+        : '<script data-dojo-config="async:1" src="' + ui.loaderPath + '"><\/script>'
+      );
+    </script>
+    <script>
+      if (ui.urlParams.loader == 'none') {
+        mixinPrereqs(_);
+        document.write([
+          '<script src="../vendor/underscore/test/collections.js"><\/script>',
+          '<script src="../vendor/underscore/test/arrays.js"><\/script>',
+          '<script src="../vendor/underscore/test/functions.js"><\/script>',
+          '<script src="../vendor/underscore/test/objects.js"><\/script>',
+          '<script src="../vendor/underscore/test/cross-document.js"><\/script>',
+          '<script src="../vendor/underscore/test/utility.js"><\/script>',
+          '<script src="../vendor/underscore/test/chaining.js"><\/script>'
+        ].join('\n'));
+      }
+    </script>
+    <script>
+      (function() {
+        if (window.curl) {
+          curl.config({ 'apiName': 'require' });
+        }
+        if (!window.require) {
+          return;
+        }
+        // Wrap to work around tests assuming Node `require` use.
+        require = (function(func) {
+          return function() {
+            return arguments[0] === '..' ? window._ : func.apply(null, arguments);
+          };
+        }(require));
+
+        var reBasename = /[\w.-]+$/,
+            basePath = ('//' + location.host + location.pathname.replace(reBasename, '')).replace(/\btest\/$/, ''),
+            modulePath = ui.buildPath.replace(/\.js$/, ''),
+            locationPath = modulePath.replace(reBasename, '').replace(/^\/|\/$/g, ''),
+            moduleId = /\bunderscore\b/i.test(ui.buildPath) ? 'underscore' : 'lodash',
+            moduleMain = modulePath.match(reBasename)[0],
+            uid = +new Date;
+
+        function getConfig() {
+          var result = {
+            'baseUrl': './',
+            'urlArgs': 't=' + uid++,
+            'waitSeconds': 0,
+            'paths': {},
+            'packages': [{
+              'name': 'test',
+              'location': '../vendor/underscore/test',
+              'config': {
+                // Work around no global being exported.
+                'exports': 'QUnit',
+                'loader': 'curl/loader/legacy'
+              }
+            }]
+          };
+
+          if (ui.isModularize) {
+            result.packages.push({
+              'name': moduleId,
+              'location': locationPath,
+              'main': moduleMain
+            });
+          } else {
+            result.paths[moduleId] = modulePath;
+          }
+          return result;
+        }
+
+        QUnit.config.autostart = false;
+        QUnit.config.excused.Functions.iteratee = true;
+        QUnit.config.excused.Utility.noConflict = true;
+        QUnit.config.excused.Utility['noConflict (node vm)'] = true;
+
+        require(getConfig(), [moduleId], function(lodash) {
+          _ = mixinPrereqs(lodash);
+          require(getConfig(), [
+            'test/collections',
+            'test/arrays',
+            'test/functions',
+            'test/objects',
+            'test/cross-document',
+            'test/utility',
+            'test/chaining'
+          ], QUnit.start);
+        });
+      }());
+    </script>
+  </body>
 </html>

vendor/backbone/LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2010-2014 Jeremy Ashkenas, DocumentCloud
+Copyright (c) 2010-2016 Jeremy Ashkenas, DocumentCloud
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation

vendor/backbone/test/events.js

@@ -1,42 +1,44 @@
-(function() {
+(function(QUnit) {
 
-  module("Backbone.Events");
+  QUnit.module('Backbone.Events');
 
-  test("on and trigger", 2, function() {
-    var obj = { counter: 0 };
-    _.extend(obj,Backbone.Events);
+  QUnit.test('on and trigger', function(assert) {
+    assert.expect(2);
+    var obj = {counter: 0};
+    _.extend(obj, Backbone.Events);
     obj.on('event', function() { obj.counter += 1; });
     obj.trigger('event');
-    equal(obj.counter,1,'counter should be incremented.');
+    assert.equal(obj.counter, 1, 'counter should be incremented.');
     obj.trigger('event');
     obj.trigger('event');
     obj.trigger('event');
     obj.trigger('event');
-    equal(obj.counter, 5, 'counter should be incremented five times.');
+    assert.equal(obj.counter, 5, 'counter should be incremented five times.');
   });
 
-  test("binding and triggering multiple events", 4, function() {
-    var obj = { counter: 0 };
+  QUnit.test('binding and triggering multiple events', function(assert) {
+    assert.expect(4);
+    var obj = {counter: 0};
     _.extend(obj, Backbone.Events);
 
     obj.on('a b c', function() { obj.counter += 1; });
 
     obj.trigger('a');
-    equal(obj.counter, 1);
+    assert.equal(obj.counter, 1);
 
     obj.trigger('a b');
-    equal(obj.counter, 3);
+    assert.equal(obj.counter, 3);
 
     obj.trigger('c');
-    equal(obj.counter, 4);
+    assert.equal(obj.counter, 4);
 
     obj.off('a c');
     obj.trigger('a b c');
-    equal(obj.counter, 5);
+    assert.equal(obj.counter, 5);
   });
 
-  test("binding and triggering with event maps", function() {
-    var obj = { counter: 0 };
+  QUnit.test('binding and triggering with event maps', function(assert) {
+    var obj = {counter: 0};
     _.extend(obj, Backbone.Events);
 
     var increment = function() {
@@ -50,36 +52,85 @@
     }, obj);
 
     obj.trigger('a');
-    equal(obj.counter, 1);
+    assert.equal(obj.counter, 1);
 
     obj.trigger('a b');
-    equal(obj.counter, 3);
+    assert.equal(obj.counter, 3);
 
     obj.trigger('c');
-    equal(obj.counter, 4);
+    assert.equal(obj.counter, 4);
 
     obj.off({
       a: increment,
       c: increment
     }, obj);
     obj.trigger('a b c');
-    equal(obj.counter, 5);
+    assert.equal(obj.counter, 5);
   });
 
-  test("listenTo and stopListening", 1, function() {
+  QUnit.test('binding and triggering multiple event names with event maps', function(assert) {
+    var obj = {counter: 0};
+    _.extend(obj, Backbone.Events);
+
+    var increment = function() {
+      this.counter += 1;
+    };
+
+    obj.on({
+      'a b c': increment
+    });
+
+    obj.trigger('a');
+    assert.equal(obj.counter, 1);
+
+    obj.trigger('a b');
+    assert.equal(obj.counter, 3);
+
+    obj.trigger('c');
+    assert.equal(obj.counter, 4);
+
+    obj.off({
+      'a c': increment
+    });
+    obj.trigger('a b c');
+    assert.equal(obj.counter, 5);
+  });
+
+  QUnit.test('binding and trigger with event maps context', function(assert) {
+    assert.expect(2);
+    var obj = {counter: 0};
+    var context = {};
+    _.extend(obj, Backbone.Events);
+
+    obj.on({
+      a: function() {
+        assert.strictEqual(this, context, 'defaults `context` to `callback` param');
+      }
+    }, context).trigger('a');
+
+    obj.off().on({
+      a: function() {
+        assert.strictEqual(this, context, 'will not override explicit `context` param');
+      }
+    }, this, context).trigger('a');
+  });
+
+  QUnit.test('listenTo and stopListening', function(assert) {
+    assert.expect(1);
     var a = _.extend({}, Backbone.Events);
     var b = _.extend({}, Backbone.Events);
-    a.listenTo(b, 'all', function(){ ok(true); });
+    a.listenTo(b, 'all', function(){ assert.ok(true); });
     b.trigger('anything');
-    a.listenTo(b, 'all', function(){ ok(false); });
+    a.listenTo(b, 'all', function(){ assert.ok(false); });
     a.stopListening();
     b.trigger('anything');
   });
 
-  test("listenTo and stopListening with event maps", 4, function() {
+  QUnit.test('listenTo and stopListening with event maps', function(assert) {
+    assert.expect(4);
     var a = _.extend({}, Backbone.Events);
     var b = _.extend({}, Backbone.Events);
-    var cb = function(){ ok(true); };
+    var cb = function(){ assert.ok(true); };
     a.listenTo(b, {event: cb});
     b.trigger('event');
     a.listenTo(b, {event2: cb});
@@ -90,10 +141,11 @@
     b.trigger('event event2');
   });
 
-  test("stopListening with omitted args", 2, function () {
+  QUnit.test('stopListening with omitted args', function(assert) {
+    assert.expect(2);
     var a = _.extend({}, Backbone.Events);
     var b = _.extend({}, Backbone.Events);
-    var cb = function () { ok(true); };
+    var cb = function() { assert.ok(true); };
     a.listenTo(b, 'event', cb);
     b.on('event', cb);
     a.listenTo(b, 'event2', cb);
@@ -106,123 +158,237 @@
     b.trigger('event2');
   });
 
-  test("listenToOnce and stopListening", 1, function() {
+  QUnit.test('listenToOnce', function(assert) {
+    assert.expect(2);
+    // Same as the previous test, but we use once rather than having to explicitly unbind
+    var obj = {counterA: 0, counterB: 0};
+    _.extend(obj, Backbone.Events);
+    var incrA = function(){ obj.counterA += 1; obj.trigger('event'); };
+    var incrB = function(){ obj.counterB += 1; };
+    obj.listenToOnce(obj, 'event', incrA);
+    obj.listenToOnce(obj, 'event', incrB);
+    obj.trigger('event');
+    assert.equal(obj.counterA, 1, 'counterA should have only been incremented once.');
+    assert.equal(obj.counterB, 1, 'counterB should have only been incremented once.');
+  });
+
+  QUnit.test('listenToOnce and stopListening', function(assert) {
+    assert.expect(1);
     var a = _.extend({}, Backbone.Events);
     var b = _.extend({}, Backbone.Events);
-    a.listenToOnce(b, 'all', function() { ok(true); });
+    a.listenToOnce(b, 'all', function() { assert.ok(true); });
     b.trigger('anything');
     b.trigger('anything');
-    a.listenToOnce(b, 'all', function() { ok(false); });
+    a.listenToOnce(b, 'all', function() { assert.ok(false); });
     a.stopListening();
     b.trigger('anything');
   });
 
-  test("listenTo, listenToOnce and stopListening", 1, function() {
+  QUnit.test('listenTo, listenToOnce and stopListening', function(assert) {
+    assert.expect(1);
     var a = _.extend({}, Backbone.Events);
     var b = _.extend({}, Backbone.Events);
-    a.listenToOnce(b, 'all', function() { ok(true); });
+    a.listenToOnce(b, 'all', function() { assert.ok(true); });
     b.trigger('anything');
     b.trigger('anything');
-    a.listenTo(b, 'all', function() { ok(false); });
+    a.listenTo(b, 'all', function() { assert.ok(false); });
     a.stopListening();
     b.trigger('anything');
   });
 
-  test("listenTo and stopListening with event maps", 1, function() {
+  QUnit.test('listenTo and stopListening with event maps', function(assert) {
+    assert.expect(1);
     var a = _.extend({}, Backbone.Events);
     var b = _.extend({}, Backbone.Events);
-    a.listenTo(b, {change: function(){ ok(true); }});
+    a.listenTo(b, {change: function(){ assert.ok(true); }});
     b.trigger('change');
-    a.listenTo(b, {change: function(){ ok(false); }});
+    a.listenTo(b, {change: function(){ assert.ok(false); }});
     a.stopListening();
     b.trigger('change');
   });
 
-  test("listenTo yourself", 1, function(){
+  QUnit.test('listenTo yourself', function(assert) {
+    assert.expect(1);
     var e = _.extend({}, Backbone.Events);
-    e.listenTo(e, "foo", function(){ ok(true); });
-    e.trigger("foo");
+    e.listenTo(e, 'foo', function(){ assert.ok(true); });
+    e.trigger('foo');
   });
 
-  test("listenTo yourself cleans yourself up with stopListening", 1, function(){
+  QUnit.test('listenTo yourself cleans yourself up with stopListening', function(assert) {
+    assert.expect(1);
     var e = _.extend({}, Backbone.Events);
-    e.listenTo(e, "foo", function(){ ok(true); });
-    e.trigger("foo");
+    e.listenTo(e, 'foo', function(){ assert.ok(true); });
+    e.trigger('foo');
     e.stopListening();
-    e.trigger("foo");
+    e.trigger('foo');
   });
 
-  test("stopListening cleans up references", 4, function() {
+  QUnit.test('stopListening cleans up references', function(assert) {
+    assert.expect(12);
     var a = _.extend({}, Backbone.Events);
     var b = _.extend({}, Backbone.Events);
     var fn = function() {};
-    a.listenTo(b, 'all', fn).stopListening();
-    equal(_.size(a._listeningTo), 0);
-    a.listenTo(b, 'all', fn).stopListening(b);
-    equal(_.size(a._listeningTo), 0);
-    a.listenTo(b, 'all', fn).stopListening(null, 'all');
-    equal(_.size(a._listeningTo), 0);
-    a.listenTo(b, 'all', fn).stopListening(null, null, fn);
-    equal(_.size(a._listeningTo), 0);
+    b.on('event', fn);
+    a.listenTo(b, 'event', fn).stopListening();
+    assert.equal(_.size(a._listeningTo), 0);
+    assert.equal(_.size(b._events.event), 1);
+    assert.equal(_.size(b._listeners), 0);
+    a.listenTo(b, 'event', fn).stopListening(b);
+    assert.equal(_.size(a._listeningTo), 0);
+    assert.equal(_.size(b._events.event), 1);
+    assert.equal(_.size(b._listeners), 0);
+    a.listenTo(b, 'event', fn).stopListening(b, 'event');
+    assert.equal(_.size(a._listeningTo), 0);
+    assert.equal(_.size(b._events.event), 1);
+    assert.equal(_.size(b._listeners), 0);
+    a.listenTo(b, 'event', fn).stopListening(b, 'event', fn);
+    assert.equal(_.size(a._listeningTo), 0);
+    assert.equal(_.size(b._events.event), 1);
+    assert.equal(_.size(b._listeners), 0);
   });
 
-  test("listenTo and stopListening cleaning up references", 2, function() {
+  QUnit.test('stopListening cleans up references from listenToOnce', function(assert) {
+    assert.expect(12);
     var a = _.extend({}, Backbone.Events);
     var b = _.extend({}, Backbone.Events);
-    a.listenTo(b, 'all', function(){ ok(true); });
+    var fn = function() {};
+    b.on('event', fn);
+    a.listenToOnce(b, 'event', fn).stopListening();
+    assert.equal(_.size(a._listeningTo), 0);
+    assert.equal(_.size(b._events.event), 1);
+    assert.equal(_.size(b._listeners), 0);
+    a.listenToOnce(b, 'event', fn).stopListening(b);
+    assert.equal(_.size(a._listeningTo), 0);
+    assert.equal(_.size(b._events.event), 1);
+    assert.equal(_.size(b._listeners), 0);
+    a.listenToOnce(b, 'event', fn).stopListening(b, 'event');
+    assert.equal(_.size(a._listeningTo), 0);
+    assert.equal(_.size(b._events.event), 1);
+    assert.equal(_.size(b._listeners), 0);
+    a.listenToOnce(b, 'event', fn).stopListening(b, 'event', fn);
+    assert.equal(_.size(a._listeningTo), 0);
+    assert.equal(_.size(b._events.event), 1);
+    assert.equal(_.size(b._listeners), 0);
+  });
+
+  QUnit.test('listenTo and off cleaning up references', function(assert) {
+    assert.expect(8);
+    var a = _.extend({}, Backbone.Events);
+    var b = _.extend({}, Backbone.Events);
+    var fn = function() {};
+    a.listenTo(b, 'event', fn);
+    b.off();
+    assert.equal(_.size(a._listeningTo), 0);
+    assert.equal(_.size(b._listeners), 0);
+    a.listenTo(b, 'event', fn);
+    b.off('event');
+    assert.equal(_.size(a._listeningTo), 0);
+    assert.equal(_.size(b._listeners), 0);
+    a.listenTo(b, 'event', fn);
+    b.off(null, fn);
+    assert.equal(_.size(a._listeningTo), 0);
+    assert.equal(_.size(b._listeners), 0);
+    a.listenTo(b, 'event', fn);
+    b.off(null, null, a);
+    assert.equal(_.size(a._listeningTo), 0);
+    assert.equal(_.size(b._listeners), 0);
+  });
+
+  QUnit.test('listenTo and stopListening cleaning up references', function(assert) {
+    assert.expect(2);
+    var a = _.extend({}, Backbone.Events);
+    var b = _.extend({}, Backbone.Events);
+    a.listenTo(b, 'all', function(){ assert.ok(true); });
     b.trigger('anything');
-    a.listenTo(b, 'other', function(){ ok(false); });
+    a.listenTo(b, 'other', function(){ assert.ok(false); });
     a.stopListening(b, 'other');
     a.stopListening(b, 'all');
-    equal(_.keys(a._listeningTo).length, 0);
+    assert.equal(_.size(a._listeningTo), 0);
   });
 
-  test("listenTo with empty callback doesn't throw an error", 1, function(){
+  QUnit.test('listenToOnce without context cleans up references after the event has fired', function(assert) {
+    assert.expect(2);
+    var a = _.extend({}, Backbone.Events);
+    var b = _.extend({}, Backbone.Events);
+    a.listenToOnce(b, 'all', function(){ assert.ok(true); });
+    b.trigger('anything');
+    assert.equal(_.size(a._listeningTo), 0);
+  });
+
+  QUnit.test('listenToOnce with event maps cleans up references', function(assert) {
+    assert.expect(2);
+    var a = _.extend({}, Backbone.Events);
+    var b = _.extend({}, Backbone.Events);
+    a.listenToOnce(b, {
+      one: function() { assert.ok(true); },
+      two: function() { assert.ok(false); }
+    });
+    b.trigger('one');
+    assert.equal(_.size(a._listeningTo), 1);
+  });
+
+  QUnit.test('listenToOnce with event maps binds the correct `this`', function(assert) {
+    assert.expect(1);
+    var a = _.extend({}, Backbone.Events);
+    var b = _.extend({}, Backbone.Events);
+    a.listenToOnce(b, {
+      one: function() { assert.ok(this === a); },
+      two: function() { assert.ok(false); }
+    });
+    b.trigger('one');
+  });
+
+  QUnit.test("listenTo with empty callback doesn't throw an error", function(assert) {
+    assert.expect(1);
     var e = _.extend({}, Backbone.Events);
-    e.listenTo(e, "foo", null);
-    e.trigger("foo");
-    ok(true);
+    e.listenTo(e, 'foo', null);
+    e.trigger('foo');
+    assert.ok(true);
   });
 
-  test("trigger all for each event", 3, function() {
-    var a, b, obj = { counter: 0 };
+  QUnit.test('trigger all for each event', function(assert) {
+    assert.expect(3);
+    var a, b, obj = {counter: 0};
     _.extend(obj, Backbone.Events);
     obj.on('all', function(event) {
       obj.counter++;
-      if (event == 'a') a = true;
-      if (event == 'b') b = true;
+      if (event === 'a') a = true;
+      if (event === 'b') b = true;
     })
     .trigger('a b');
-    ok(a);
-    ok(b);
-    equal(obj.counter, 2);
+    assert.ok(a);
+    assert.ok(b);
+    assert.equal(obj.counter, 2);
   });
 
-  test("on, then unbind all functions", 1, function() {
-    var obj = { counter: 0 };
-    _.extend(obj,Backbone.Events);
+  QUnit.test('on, then unbind all functions', function(assert) {
+    assert.expect(1);
+    var obj = {counter: 0};
+    _.extend(obj, Backbone.Events);
     var callback = function() { obj.counter += 1; };
     obj.on('event', callback);
     obj.trigger('event');
     obj.off('event');
     obj.trigger('event');
-    equal(obj.counter, 1, 'counter should have only been incremented once.');
+    assert.equal(obj.counter, 1, 'counter should have only been incremented once.');
   });
 
-  test("bind two callbacks, unbind only one", 2, function() {
-    var obj = { counterA: 0, counterB: 0 };
-    _.extend(obj,Backbone.Events);
+  QUnit.test('bind two callbacks, unbind only one', function(assert) {
+    assert.expect(2);
+    var obj = {counterA: 0, counterB: 0};
+    _.extend(obj, Backbone.Events);
     var callback = function() { obj.counterA += 1; };
     obj.on('event', callback);
     obj.on('event', function() { obj.counterB += 1; });
     obj.trigger('event');
     obj.off('event', callback);
     obj.trigger('event');
-    equal(obj.counterA, 1, 'counterA should have only been incremented once.');
-    equal(obj.counterB, 2, 'counterB should have been incremented twice.');
+    assert.equal(obj.counterA, 1, 'counterA should have only been incremented once.');
+    assert.equal(obj.counterB, 2, 'counterB should have been incremented twice.');
   });
 
-  test("unbind a callback in the midst of it firing", 1, function() {
+  QUnit.test('unbind a callback in the midst of it firing', function(assert) {
+    assert.expect(1);
     var obj = {counter: 0};
     _.extend(obj, Backbone.Events);
     var callback = function() {
@@ -233,12 +399,13 @@
     obj.trigger('event');
     obj.trigger('event');
     obj.trigger('event');
-    equal(obj.counter, 1, 'the callback should have been unbound.');
+    assert.equal(obj.counter, 1, 'the callback should have been unbound.');
   });
 
-  test("two binds that unbind themeselves", 2, function() {
-    var obj = { counterA: 0, counterB: 0 };
-    _.extend(obj,Backbone.Events);
+  QUnit.test('two binds that unbind themeselves', function(assert) {
+    assert.expect(2);
+    var obj = {counterA: 0, counterB: 0};
+    _.extend(obj, Backbone.Events);
     var incrA = function(){ obj.counterA += 1; obj.off('event', incrA); };
     var incrB = function(){ obj.counterB += 1; obj.off('event', incrB); };
     obj.on('event', incrA);
@@ -246,49 +413,64 @@
     obj.trigger('event');
     obj.trigger('event');
     obj.trigger('event');
-    equal(obj.counterA, 1, 'counterA should have only been incremented once.');
-    equal(obj.counterB, 1, 'counterB should have only been incremented once.');
+    assert.equal(obj.counterA, 1, 'counterA should have only been incremented once.');
+    assert.equal(obj.counterB, 1, 'counterB should have only been incremented once.');
   });
 
-  test("bind a callback with a supplied context", 1, function () {
-    var TestClass = function () {
-      return this;
-    };
-    TestClass.prototype.assertTrue = function () {
-      ok(true, '`this` was bound to the callback');
-    };
+  QUnit.test('bind a callback with a default context when none supplied', function(assert) {
+    assert.expect(1);
+    var obj = _.extend({
+      assertTrue: function() {
+        assert.equal(this, obj, '`this` was bound to the callback');
+      }
+    }, Backbone.Events);
 
-    var obj = _.extend({},Backbone.Events);
-    obj.on('event', function () { this.assertTrue(); }, (new TestClass));
+    obj.once('event', obj.assertTrue);
     obj.trigger('event');
   });
 
-  test("nested trigger with unbind", 1, function () {
-    var obj = { counter: 0 };
+  QUnit.test('bind a callback with a supplied context', function(assert) {
+    assert.expect(1);
+    var TestClass = function() {
+      return this;
+    };
+    TestClass.prototype.assertTrue = function() {
+      assert.ok(true, '`this` was bound to the callback');
+    };
+
+    var obj = _.extend({}, Backbone.Events);
+    obj.on('event', function() { this.assertTrue(); }, new TestClass);
+    obj.trigger('event');
+  });
+
+  QUnit.test('nested trigger with unbind', function(assert) {
+    assert.expect(1);
+    var obj = {counter: 0};
     _.extend(obj, Backbone.Events);
     var incr1 = function(){ obj.counter += 1; obj.off('event', incr1); obj.trigger('event'); };
     var incr2 = function(){ obj.counter += 1; };
     obj.on('event', incr1);
     obj.on('event', incr2);
     obj.trigger('event');
-    equal(obj.counter, 3, 'counter should have been incremented three times');
+    assert.equal(obj.counter, 3, 'counter should have been incremented three times');
   });
 
-  test("callback list is not altered during trigger", 2, function () {
+  QUnit.test('callback list is not altered during trigger', function(assert) {
+    assert.expect(2);
     var counter = 0, obj = _.extend({}, Backbone.Events);
     var incr = function(){ counter++; };
-    obj.on('event', function(){ obj.on('event', incr).on('all', incr); })
-    .trigger('event');
-    equal(counter, 0, 'bind does not alter callback list');
-    obj.off()
-    .on('event', function(){ obj.off('event', incr).off('all', incr); })
-    .on('event', incr)
-    .on('all', incr)
-    .trigger('event');
-    equal(counter, 2, 'unbind does not alter callback list');
+    var incrOn = function(){ obj.on('event all', incr); };
+    var incrOff = function(){ obj.off('event all', incr); };
+
+    obj.on('event all', incrOn).trigger('event');
+    assert.equal(counter, 0, 'on does not alter callback list');
+
+    obj.off().on('event', incrOff).on('event all', incr).trigger('event');
+    assert.equal(counter, 2, 'off does not alter callback list');
   });
 
-  test("#1282 - 'all' callback list is retrieved after each event.", 1, function() {
+  QUnit.test("#1282 - 'all' callback list is retrieved after each event.", function(assert) {
+    assert.expect(1);
     var counter = 0;
     var obj = _.extend({}, Backbone.Events);
     var incr = function(){ counter++; };
@@ -296,61 +478,68 @@
       obj.on('y', incr).on('all', incr);
     })
     .trigger('x y');
-    strictEqual(counter, 2);
+    assert.strictEqual(counter, 2);
   });
 
-  test("if no callback is provided, `on` is a noop", 0, function() {
+  QUnit.test('if no callback is provided, `on` is a noop', function(assert) {
+    assert.expect(0);
     _.extend({}, Backbone.Events).on('test').trigger('test');
   });
 
-  test("if callback is truthy but not a function, `on` should throw an error just like jQuery", 1, function() {
+  QUnit.test('if callback is truthy but not a function, `on` should throw an error just like jQuery', function(assert) {
+    assert.expect(1);
     var view = _.extend({}, Backbone.Events).on('test', 'noop');
-    raises(function() {
+    assert.raises(function() {
       view.trigger('test');
     });
   });
 
-  test("remove all events for a specific context", 4, function() {
+  QUnit.test('remove all events for a specific context', function(assert) {
+    assert.expect(4);
     var obj = _.extend({}, Backbone.Events);
-    obj.on('x y all', function() { ok(true); });
-    obj.on('x y all', function() { ok(false); }, obj);
+    obj.on('x y all', function() { assert.ok(true); });
+    obj.on('x y all', function() { assert.ok(false); }, obj);
     obj.off(null, null, obj);
     obj.trigger('x y');
   });
 
-  test("remove all events for a specific callback", 4, function() {
+  QUnit.test('remove all events for a specific callback', function(assert) {
+    assert.expect(4);
     var obj = _.extend({}, Backbone.Events);
-    var success = function() { ok(true); };
-    var fail = function() { ok(false); };
+    var success = function() { assert.ok(true); };
+    var fail = function() { assert.ok(false); };
     obj.on('x y all', success);
     obj.on('x y all', fail);
     obj.off(null, fail);
     obj.trigger('x y');
   });
 
-  test("#1310 - off does not skip consecutive events", 0, function() {
+  QUnit.test('#1310 - off does not skip consecutive events', function(assert) {
+    assert.expect(0);
     var obj = _.extend({}, Backbone.Events);
-    obj.on('event', function() { ok(false); }, obj);
-    obj.on('event', function() { ok(false); }, obj);
+    obj.on('event', function() { assert.ok(false); }, obj);
+    obj.on('event', function() { assert.ok(false); }, obj);
     obj.off(null, null, obj);
     obj.trigger('event');
   });
 
-  test("once", 2, function() {
+  QUnit.test('once', function(assert) {
+    assert.expect(2);
     // Same as the previous test, but we use once rather than having to explicitly unbind
-    var obj = { counterA: 0, counterB: 0 };
+    var obj = {counterA: 0, counterB: 0};
     _.extend(obj, Backbone.Events);
     var incrA = function(){ obj.counterA += 1; obj.trigger('event'); };
     var incrB = function(){ obj.counterB += 1; };
     obj.once('event', incrA);
     obj.once('event', incrB);
     obj.trigger('event');
-    equal(obj.counterA, 1, 'counterA should have only been incremented once.');
-    equal(obj.counterB, 1, 'counterB should have only been incremented once.');
+    assert.equal(obj.counterA, 1, 'counterA should have only been incremented once.');
+    assert.equal(obj.counterB, 1, 'counterB should have only been incremented once.');
   });
 
-  test("once variant one", 3, function() {
-    var f = function(){ ok(true); };
+  QUnit.test('once variant one', function(assert) {
+    assert.expect(3);
+    var f = function(){ assert.ok(true); };
 
     var a = _.extend({}, Backbone.Events).once('event', f);
     var b = _.extend({}, Backbone.Events).on('event', f);
@@ -361,8 +550,9 @@
     b.trigger('event');
   });
 
-  test("once variant two", 3, function() {
-    var f = function(){ ok(true); };
+  QUnit.test('once variant two', function(assert) {
+    assert.expect(3);
+    var f = function(){ assert.ok(true); };
     var obj = _.extend({}, Backbone.Events);
 
     obj
@@ -372,8 +562,9 @@
       .trigger('event');
   });
 
-  test("once with off", 0, function() {
-    var f = function(){ ok(true); };
+  QUnit.test('once with off', function(assert) {
+    assert.expect(0);
+    var f = function(){ assert.ok(true); };
     var obj = _.extend({}, Backbone.Events);
 
     obj.once('event', f);
@@ -381,8 +572,8 @@
     obj.trigger('event');
   });
 
-  test("once with event maps", function() {
-    var obj = { counter: 0 };
+  QUnit.test('once with event maps', function(assert) {
+    var obj = {counter: 0};
     _.extend(obj, Backbone.Events);
 
     var increment = function() {
@@ -396,82 +587,120 @@
     }, obj);
 
     obj.trigger('a');
-    equal(obj.counter, 1);
+    assert.equal(obj.counter, 1);
 
     obj.trigger('a b');
-    equal(obj.counter, 2);
+    assert.equal(obj.counter, 2);
 
     obj.trigger('c');
-    equal(obj.counter, 3);
+    assert.equal(obj.counter, 3);
 
     obj.trigger('a b c');
-    equal(obj.counter, 3);
+    assert.equal(obj.counter, 3);
   });
 
-  test("once with off only by context", 0, function() {
+  QUnit.test('bind a callback with a supplied context using once with object notation', function(assert) {
+    assert.expect(1);
+    var obj = {counter: 0};
+    var context = {};
+    _.extend(obj, Backbone.Events);
+
+    obj.once({
+      a: function() {
+        assert.strictEqual(this, context, 'defaults `context` to `callback` param');
+      }
+    }, context).trigger('a');
+  });
+
+  QUnit.test('once with off only by context', function(assert) {
+    assert.expect(0);
     var context = {};
     var obj = _.extend({}, Backbone.Events);
-    obj.once('event', function(){ ok(false); }, context);
+    obj.once('event', function(){ assert.ok(false); }, context);
     obj.off(null, null, context);
     obj.trigger('event');
   });
 
-  test("Backbone object inherits Events", function() {
-    ok(Backbone.on === Backbone.Events.on);
+  QUnit.test('Backbone object inherits Events', function(assert) {
+    assert.ok(Backbone.on === Backbone.Events.on);
   });
 
-  asyncTest("once with asynchronous events", 1, function() {
-    var func = _.debounce(function() { ok(true); start(); }, 50);
+  QUnit.test('once with asynchronous events', function(assert) {
+    var done = assert.async();
+    assert.expect(1);
+    var func = _.debounce(function() { assert.ok(true); done(); }, 50);
     var obj = _.extend({}, Backbone.Events).once('async', func);
 
     obj.trigger('async');
     obj.trigger('async');
   });
 
-  test("once with multiple events.", 2, function() {
+  QUnit.test('once with multiple events.', function(assert) {
+    assert.expect(2);
     var obj = _.extend({}, Backbone.Events);
-    obj.once('x y', function() { ok(true); });
+    obj.once('x y', function() { assert.ok(true); });
     obj.trigger('x y');
   });
 
-  test("Off during iteration with once.", 2, function() {
+  QUnit.test('Off during iteration with once.', function(assert) {
+    assert.expect(2);
     var obj = _.extend({}, Backbone.Events);
     var f = function(){ this.off('event', f); };
     obj.on('event', f);
     obj.once('event', function(){});
-    obj.on('event', function(){ ok(true); });
+    obj.on('event', function(){ assert.ok(true); });
 
     obj.trigger('event');
     obj.trigger('event');
   });
 
-  test("`once` on `all` should work as expected", 1, function() {
+  QUnit.test('`once` on `all` should work as expected', function(assert) {
+    assert.expect(1);
     Backbone.once('all', function() {
-      ok(true);
+      assert.ok(true);
       Backbone.trigger('all');
     });
     Backbone.trigger('all');
   });
 
-  test("once without a callback is a noop", 0, function() {
+  QUnit.test('once without a callback is a noop', function(assert) {
+    assert.expect(0);
     _.extend({}, Backbone.Events).once('event').trigger('event');
   });
 
-  test("event functions are chainable", function() {
+  QUnit.test('listenToOnce without a callback is a noop', function(assert) {
+    assert.expect(0);
+    var obj = _.extend({}, Backbone.Events);
+    obj.listenToOnce(obj, 'event').trigger('event');
+  });
+
+  QUnit.test('event functions are chainable', function(assert) {
     var obj = _.extend({}, Backbone.Events);
     var obj2 = _.extend({}, Backbone.Events);
     var fn = function() {};
-    equal(obj, obj.trigger('noeventssetyet'));
-    equal(obj, obj.off('noeventssetyet'));
-    equal(obj, obj.stopListening('noeventssetyet'));
-    equal(obj, obj.on('a', fn));
-    equal(obj, obj.once('c', fn));
-    equal(obj, obj.trigger('a'));
-    equal(obj, obj.listenTo(obj2, 'a', fn));
-    equal(obj, obj.listenToOnce(obj2, 'b', fn));
-    equal(obj, obj.off('a c'));
-    equal(obj, obj.stopListening(obj2, 'a'));
-    equal(obj, obj.stopListening());
+    assert.equal(obj, obj.trigger('noeventssetyet'));
+    assert.equal(obj, obj.off('noeventssetyet'));
+    assert.equal(obj, obj.stopListening('noeventssetyet'));
+    assert.equal(obj, obj.on('a', fn));
+    assert.equal(obj, obj.once('c', fn));
+    assert.equal(obj, obj.trigger('a'));
+    assert.equal(obj, obj.listenTo(obj2, 'a', fn));
+    assert.equal(obj, obj.listenToOnce(obj2, 'b', fn));
+    assert.equal(obj, obj.off('a c'));
+    assert.equal(obj, obj.stopListening(obj2, 'a'));
+    assert.equal(obj, obj.stopListening());
   });
 
-})();
+  QUnit.test('#3448 - listenToOnce with space-separated events', function(assert) {
+    assert.expect(2);
+    var one = _.extend({}, Backbone.Events);
+    var two = _.extend({}, Backbone.Events);
+    var count = 1;
+    one.listenToOnce(two, 'x y', function(n) { assert.ok(n === count++); });
+    two.trigger('x', 1);
+    two.trigger('x', 1);
+    two.trigger('y', 2);
+    two.trigger('y', 2);
+  });
+
+})(QUnit);

vendor/backbone/test/noconflict.js

@@ -1,12 +1,13 @@
-(function() {
+(function(QUnit) {
 
-  module("Backbone.noConflict");
+  QUnit.module('Backbone.noConflict');
 
-  test('noConflict', 2, function() {
+  QUnit.test('noConflict', function(assert) {
+    assert.expect(2);
     var noconflictBackbone = Backbone.noConflict();
-    equal(window.Backbone, undefined, 'Returned window.Backbone');
+    assert.equal(window.Backbone, undefined, 'Returned window.Backbone');
     window.Backbone = noconflictBackbone;
-    equal(window.Backbone, noconflictBackbone, 'Backbone is still pointing to the original Backbone');
+    assert.equal(window.Backbone, noconflictBackbone, 'Backbone is still pointing to the original Backbone');
   });
 
-})();
+})(QUnit);

vendor/backbone/test/setup/dom-setup.js

@@ -0,0 +1,4 @@
+$('body').append(
+    '<div id="qunit"></div>' +
+    '<div id="qunit-fixture"></div>'
+);

vendor/backbone/test/setup/environment.js

@@ -1,4 +1,4 @@
-(function() {
+(function(QUnit) {
 
   var sync = Backbone.sync;
   var ajax = Backbone.ajax;
@@ -8,11 +8,13 @@
   var pushState = history.pushState;
   var replaceState = history.replaceState;
 
+  QUnit.config.noglobals = true;
+
   QUnit.testStart(function() {
     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) {
@@ -40,4 +42,4 @@
     history.replaceState = replaceState;
   });
 
-})();
+})(QUnit);

vendor/backbone/test/sync.js

@@ -1,210 +1,239 @@
-(function() {
+(function(QUnit) {
 
   var Library = Backbone.Collection.extend({
-    url : function() { return '/library'; }
+    url: function() { return '/library'; }
   });
   var library;
 
   var attrs = {
-    title  : "The Tempest",
-    author : "Bill Shakespeare",
-    length : 123
+    title: 'The Tempest',
+    author: 'Bill Shakespeare',
+    length: 123
   };
 
-  module("Backbone.sync", {
+  QUnit.module('Backbone.sync', {
 
-    setup : function() {
+    beforeEach: function(assert) {
       library = new Library;
       library.create(attrs, {wait: false});
     },
 
-    teardown: function() {
+    afterEach: function(assert) {
       Backbone.emulateHTTP = false;
     }
 
   });
 
-  test("read", 4, function() {
+  QUnit.test('read', function(assert) {
+    assert.expect(4);
     library.fetch();
-    equal(this.ajaxSettings.url, '/library');
-    equal(this.ajaxSettings.type, 'GET');
-    equal(this.ajaxSettings.dataType, 'json');
-    ok(_.isEmpty(this.ajaxSettings.data));
+    assert.equal(this.ajaxSettings.url, '/library');
+    assert.equal(this.ajaxSettings.type, 'GET');
+    assert.equal(this.ajaxSettings.dataType, 'json');
+    assert.ok(_.isEmpty(this.ajaxSettings.data));
   });
 
-  test("passing data", 3, function() {
+  QUnit.test('passing data', function(assert) {
+    assert.expect(3);
     library.fetch({data: {a: 'a', one: 1}});
-    equal(this.ajaxSettings.url, '/library');
-    equal(this.ajaxSettings.data.a, 'a');
-    equal(this.ajaxSettings.data.one, 1);
+    assert.equal(this.ajaxSettings.url, '/library');
+    assert.equal(this.ajaxSettings.data.a, 'a');
+    assert.equal(this.ajaxSettings.data.one, 1);
   });
 
-  test("create", 6, function() {
-    equal(this.ajaxSettings.url, '/library');
-    equal(this.ajaxSettings.type, 'POST');
-    equal(this.ajaxSettings.dataType, 'json');
+  QUnit.test('create', function(assert) {
+    assert.expect(6);
+    assert.equal(this.ajaxSettings.url, '/library');
+    assert.equal(this.ajaxSettings.type, 'POST');
+    assert.equal(this.ajaxSettings.dataType, 'json');
     var data = JSON.parse(this.ajaxSettings.data);
-    equal(data.title, 'The Tempest');
-    equal(data.author, 'Bill Shakespeare');
-    equal(data.length, 123);
+    assert.equal(data.title, 'The Tempest');
+    assert.equal(data.author, 'Bill Shakespeare');
+    assert.equal(data.length, 123);
   });
 
-  test("update", 7, function() {
+  QUnit.test('update', function(assert) {
+    assert.expect(7);
     library.first().save({id: '1-the-tempest', author: 'William Shakespeare'});
-    equal(this.ajaxSettings.url, '/library/1-the-tempest');
-    equal(this.ajaxSettings.type, 'PUT');
-    equal(this.ajaxSettings.dataType, 'json');
+    assert.equal(this.ajaxSettings.url, '/library/1-the-tempest');
+    assert.equal(this.ajaxSettings.type, 'PUT');
+    assert.equal(this.ajaxSettings.dataType, 'json');
     var data = JSON.parse(this.ajaxSettings.data);
-    equal(data.id, '1-the-tempest');
-    equal(data.title, 'The Tempest');
-    equal(data.author, 'William Shakespeare');
-    equal(data.length, 123);
+    assert.equal(data.id, '1-the-tempest');
+    assert.equal(data.title, 'The Tempest');
+    assert.equal(data.author, 'William Shakespeare');
+    assert.equal(data.length, 123);
   });
 
-  test("update with emulateHTTP and emulateJSON", 7, function() {
+  QUnit.test('update with emulateHTTP and emulateJSON', function(assert) {
+    assert.expect(7);
     library.first().save({id: '2-the-tempest', author: 'Tim Shakespeare'}, {
       emulateHTTP: true,
       emulateJSON: true
     });
-    equal(this.ajaxSettings.url, '/library/2-the-tempest');
-    equal(this.ajaxSettings.type, 'POST');
-    equal(this.ajaxSettings.dataType, 'json');
-    equal(this.ajaxSettings.data._method, 'PUT');
+    assert.equal(this.ajaxSettings.url, '/library/2-the-tempest');
+    assert.equal(this.ajaxSettings.type, 'POST');
+    assert.equal(this.ajaxSettings.dataType, 'json');
+    assert.equal(this.ajaxSettings.data._method, 'PUT');
     var data = JSON.parse(this.ajaxSettings.data.model);
-    equal(data.id, '2-the-tempest');
-    equal(data.author, 'Tim Shakespeare');
-    equal(data.length, 123);
+    assert.equal(data.id, '2-the-tempest');
+    assert.equal(data.author, 'Tim Shakespeare');
+    assert.equal(data.length, 123);
   });
 
-  test("update with just emulateHTTP", 6, function() {
+  QUnit.test('update with just emulateHTTP', function(assert) {
+    assert.expect(6);
     library.first().save({id: '2-the-tempest', author: 'Tim Shakespeare'}, {
       emulateHTTP: true
     });
-    equal(this.ajaxSettings.url, '/library/2-the-tempest');
-    equal(this.ajaxSettings.type, 'POST');
-    equal(this.ajaxSettings.contentType, 'application/json');
+    assert.equal(this.ajaxSettings.url, '/library/2-the-tempest');
+    assert.equal(this.ajaxSettings.type, 'POST');
+    assert.equal(this.ajaxSettings.contentType, 'application/json');
     var data = JSON.parse(this.ajaxSettings.data);
-    equal(data.id, '2-the-tempest');
-    equal(data.author, 'Tim Shakespeare');
-    equal(data.length, 123);
+    assert.equal(data.id, '2-the-tempest');
+    assert.equal(data.author, 'Tim Shakespeare');
+    assert.equal(data.length, 123);
   });
 
-  test("update with just emulateJSON", 6, function() {
+  QUnit.test('update with just emulateJSON', function(assert) {
+    assert.expect(6);
     library.first().save({id: '2-the-tempest', author: 'Tim Shakespeare'}, {
       emulateJSON: true
     });
-    equal(this.ajaxSettings.url, '/library/2-the-tempest');
-    equal(this.ajaxSettings.type, 'PUT');
-    equal(this.ajaxSettings.contentType, 'application/x-www-form-urlencoded');
+    assert.equal(this.ajaxSettings.url, '/library/2-the-tempest');
+    assert.equal(this.ajaxSettings.type, 'PUT');
+    assert.equal(this.ajaxSettings.contentType, 'application/x-www-form-urlencoded');
     var data = JSON.parse(this.ajaxSettings.data.model);
-    equal(data.id, '2-the-tempest');
-    equal(data.author, 'Tim Shakespeare');
-    equal(data.length, 123);
+    assert.equal(data.id, '2-the-tempest');
+    assert.equal(data.author, 'Tim Shakespeare');
+    assert.equal(data.length, 123);
   });
 
-  test("read model", 3, function() {
+  QUnit.test('read model', function(assert) {
+    assert.expect(3);
     library.first().save({id: '2-the-tempest', author: 'Tim Shakespeare'});
     library.first().fetch();
-    equal(this.ajaxSettings.url, '/library/2-the-tempest');
-    equal(this.ajaxSettings.type, 'GET');
-    ok(_.isEmpty(this.ajaxSettings.data));
+    assert.equal(this.ajaxSettings.url, '/library/2-the-tempest');
+    assert.equal(this.ajaxSettings.type, 'GET');
+    assert.ok(_.isEmpty(this.ajaxSettings.data));
   });
 
-  test("destroy", 3, function() {
+  QUnit.test('destroy', function(assert) {
+    assert.expect(3);
     library.first().save({id: '2-the-tempest', author: 'Tim Shakespeare'});
     library.first().destroy({wait: true});
-    equal(this.ajaxSettings.url, '/library/2-the-tempest');
-    equal(this.ajaxSettings.type, 'DELETE');
-    equal(this.ajaxSettings.data, null);
+    assert.equal(this.ajaxSettings.url, '/library/2-the-tempest');
+    assert.equal(this.ajaxSettings.type, 'DELETE');
+    assert.equal(this.ajaxSettings.data, null);
   });
 
-  test("destroy with emulateHTTP", 3, function() {
+  QUnit.test('destroy with emulateHTTP', function(assert) {
+    assert.expect(3);
     library.first().save({id: '2-the-tempest', author: 'Tim Shakespeare'});
     library.first().destroy({
       emulateHTTP: true,
       emulateJSON: true
     });
-    equal(this.ajaxSettings.url, '/library/2-the-tempest');
-    equal(this.ajaxSettings.type, 'POST');
-    equal(JSON.stringify(this.ajaxSettings.data), '{"_method":"DELETE"}');
+    assert.equal(this.ajaxSettings.url, '/library/2-the-tempest');
+    assert.equal(this.ajaxSettings.type, 'POST');
+    assert.equal(JSON.stringify(this.ajaxSettings.data), '{"_method":"DELETE"}');
   });
 
-  test("urlError", 2, function() {
+  QUnit.test('urlError', function(assert) {
+    assert.expect(2);
     var model = new Backbone.Model();
-    raises(function() {
+    assert.raises(function() {
       model.fetch();
     });
     model.fetch({url: '/one/two'});
-    equal(this.ajaxSettings.url, '/one/two');
+    assert.equal(this.ajaxSettings.url, '/one/two');
   });
 
-  test("#1052 - `options` is optional.", 0, function() {
+  QUnit.test('#1052 - `options` is optional.', function(assert) {
+    assert.expect(0);
     var model = new Backbone.Model();
     model.url = '/test';
     Backbone.sync('create', model);
   });
 
-  test("Backbone.ajax", 1, function() {
-    Backbone.ajax = function(settings){
-      strictEqual(settings.url, '/test');
+  QUnit.test('Backbone.ajax', function(assert) {
+    assert.expect(1);
+    Backbone.ajax = function(settings) {
+      assert.strictEqual(settings.url, '/test');
     };
     var model = new Backbone.Model();
     model.url = '/test';
     Backbone.sync('create', model);
   });
 
-  test("Call provided error callback on error.", 1, function() {
+  QUnit.test('Call provided error callback on error.', function(assert) {
+    assert.expect(1);
     var model = new Backbone.Model;
     model.url = '/test';
     Backbone.sync('read', model, {
-      error: function() { ok(true); }
+      error: function() { assert.ok(true); }
     });
     this.ajaxSettings.error();
   });
 
-  test('Use Backbone.emulateHTTP as default.', 2, function() {
+  QUnit.test('Use Backbone.emulateHTTP as default.', function(assert) {
+    assert.expect(2);
     var model = new Backbone.Model;
     model.url = '/test';
 
     Backbone.emulateHTTP = true;
     model.sync('create', model);
-    strictEqual(this.ajaxSettings.emulateHTTP, true);
+    assert.strictEqual(this.ajaxSettings.emulateHTTP, true);
 
     Backbone.emulateHTTP = false;
     model.sync('create', model);
-    strictEqual(this.ajaxSettings.emulateHTTP, false);
+    assert.strictEqual(this.ajaxSettings.emulateHTTP, false);
   });
 
-  test('Use Backbone.emulateJSON as default.', 2, function() {
+  QUnit.test('Use Backbone.emulateJSON as default.', function(assert) {
+    assert.expect(2);
     var model = new Backbone.Model;
     model.url = '/test';
 
     Backbone.emulateJSON = true;
     model.sync('create', model);
-    strictEqual(this.ajaxSettings.emulateJSON, true);
+    assert.strictEqual(this.ajaxSettings.emulateJSON, true);
 
     Backbone.emulateJSON = false;
     model.sync('create', model);
-    strictEqual(this.ajaxSettings.emulateJSON, false);
+    assert.strictEqual(this.ajaxSettings.emulateJSON, false);
   });
 
-  test("#1756 - Call user provided beforeSend function.", 4, function() {
+  QUnit.test('#1756 - Call user provided beforeSend function.', function(assert) {
+    assert.expect(4);
     Backbone.emulateHTTP = true;
     var model = new Backbone.Model;
     model.url = '/test';
     var xhr = {
       setRequestHeader: function(header, value) {
-        strictEqual(header, 'X-HTTP-Method-Override');
-        strictEqual(value, 'DELETE');
+        assert.strictEqual(header, 'X-HTTP-Method-Override');
+        assert.strictEqual(value, 'DELETE');
       }
     };
     model.sync('delete', model, {
       beforeSend: function(_xhr) {
-        ok(_xhr === xhr);
+        assert.ok(_xhr === xhr);
         return false;
       }
     });
-    strictEqual(this.ajaxSettings.beforeSend(xhr), false);
+    assert.strictEqual(this.ajaxSettings.beforeSend(xhr), false);
   });
 
-})();
+  QUnit.test('#2928 - Pass along `textStatus` and `errorThrown`.', function(assert) {
+    assert.expect(2);
+    var model = new Backbone.Model;
+    model.url = '/test';
+    model.on('error', function(m, xhr, options) {
+      assert.strictEqual(options.textStatus, 'textStatus');
+      assert.strictEqual(options.errorThrown, 'errorThrown');
+    });
+    model.fetch();
+    this.ajaxSettings.error({}, 'textStatus', 'errorThrown');
+  });
+
+})(QUnit);

vendor/backbone/test/view.js

@@ -1,68 +1,137 @@
-(function() {
+(function(QUnit) {
 
   var view;
 
-  module("Backbone.View", {
+  QUnit.module('Backbone.View', {
+
+    beforeEach: function() {
+      $('#qunit-fixture').append(
+        '<div id="testElement"><h1>Test</h1></div>'
+     );
 
-    setup: function() {
       view = new Backbone.View({
-        id        : 'test-view',
-        className : 'test-view',
-        other     : 'non-special-option'
+        id: 'test-view',
+        className: 'test-view',
+        other: 'non-special-option'
       });
+    },
+
+    afterEach: function() {
+      $('#testElement').remove();
+      $('#test-view').remove();
     }
 
   });
 
-  test("constructor", 3, function() {
-    equal(view.el.id, 'test-view');
-    equal(view.el.className, 'test-view');
-    equal(view.el.other, void 0);
+  QUnit.test('constructor', function(assert) {
+    assert.expect(3);
+    assert.equal(view.el.id, 'test-view');
+    assert.equal(view.el.className, 'test-view');
+    assert.equal(view.el.other, void 0);
   });
 
-  test("jQuery", 1, function() {
-    var view = new Backbone.View;
-    view.setElement('<p><a><b>test</b></a></p>');
-    strictEqual(view.$('a b').html(), 'test');
+  QUnit.test('$', function(assert) {
+    assert.expect(2);
+    var myView = new Backbone.View;
+    myView.setElement('<p><a><b>test</b></a></p>');
+    var result = myView.$('a b');
+
+    assert.strictEqual(result[0].innerHTML, 'test');
+    assert.ok(result.length === +result.length);
   });
 
-  test("initialize", 1, function() {
+  QUnit.test('$el', function(assert) {
+    assert.expect(3);
+    var myView = new Backbone.View;
+    myView.setElement('<p><a><b>test</b></a></p>');
+    assert.strictEqual(myView.el.nodeType, 1);
+
+    assert.ok(myView.$el instanceof Backbone.$);
+    assert.strictEqual(myView.$el[0], myView.el);
+  });
+
+  QUnit.test('initialize', function(assert) {
+    assert.expect(1);
     var View = Backbone.View.extend({
       initialize: function() {
         this.one = 1;
       }
     });
 
-    strictEqual(new View().one, 1);
+    assert.strictEqual(new View().one, 1);
   });
 
-  test("delegateEvents", 6, function() {
+  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;
+    assert.equal(myView.render(), myView, '#render returns the view instance');
+  });
+
+  QUnit.test('delegateEvents', function(assert) {
+    assert.expect(6);
     var counter1 = 0, counter2 = 0;
 
-    var view = new Backbone.View({el: '#testElement'});
-    view.increment = function(){ counter1++; };
-    view.$el.on('click', function(){ counter2++; });
+    var myView = new Backbone.View({el: '#testElement'});
+    myView.increment = function() { counter1++; };
+    myView.$el.on('click', function() { counter2++; });
 
     var events = {'click h1': 'increment'};
 
-    view.delegateEvents(events);
-    view.$('h1').trigger('click');
-    equal(counter1, 1);
-    equal(counter2, 1);
+    myView.delegateEvents(events);
+    myView.$('h1').trigger('click');
+    assert.equal(counter1, 1);
+    assert.equal(counter2, 1);
 
-    view.$('h1').trigger('click');
-    equal(counter1, 2);
-    equal(counter2, 2);
+    myView.$('h1').trigger('click');
+    assert.equal(counter1, 2);
+    assert.equal(counter2, 2);
 
-    view.delegateEvents(events);
-    view.$('h1').trigger('click');
-    equal(counter1, 3);
-    equal(counter2, 3);
+    myView.delegateEvents(events);
+    myView.$('h1').trigger('click');
+    assert.equal(counter1, 3);
+    assert.equal(counter2, 3);
   });
 
-  test("delegateEvents allows functions for callbacks", 3, function() {
-    var view = new Backbone.View({el: '<p></p>'});
-    view.counter = 0;
+  QUnit.test('delegate', function(assert) {
+    assert.expect(3);
+    var myView = new Backbone.View({el: '#testElement'});
+    myView.delegate('click', 'h1', function() {
+      assert.ok(true);
+    });
+    myView.delegate('click', function() {
+      assert.ok(true);
+    });
+    myView.$('h1').trigger('click');
+
+    assert.equal(myView.delegate(), myView, '#delegate returns the view instance');
+  });
+
+  QUnit.test('delegateEvents allows functions for callbacks', function(assert) {
+    assert.expect(3);
+    var myView = new Backbone.View({el: '<p></p>'});
+    myView.counter = 0;
 
     var events = {
       click: function() {
@@ -70,76 +139,147 @@
       }
     };
 
-    view.delegateEvents(events);
-    view.$el.trigger('click');
-    equal(view.counter, 1);
+    myView.delegateEvents(events);
+    myView.$el.trigger('click');
+    assert.equal(myView.counter, 1);
 
-    view.$el.trigger('click');
-    equal(view.counter, 2);
+    myView.$el.trigger('click');
+    assert.equal(myView.counter, 2);
 
-    view.delegateEvents(events);
-    view.$el.trigger('click');
-    equal(view.counter, 3);
+    myView.delegateEvents(events);
+    myView.$el.trigger('click');
+    assert.equal(myView.counter, 3);
   });
 
-
-  test("delegateEvents ignore undefined methods", 0, function() {
-    var view = new Backbone.View({el: '<p></p>'});
-    view.delegateEvents({'click': 'undefinedMethod'});
-    view.$el.trigger('click');
+  QUnit.test('delegateEvents ignore undefined methods', function(assert) {
+    assert.expect(0);
+    var myView = new Backbone.View({el: '<p></p>'});
+    myView.delegateEvents({click: 'undefinedMethod'});
+    myView.$el.trigger('click');
   });
 
-  test("undelegateEvents", 6, function() {
+  QUnit.test('undelegateEvents', function(assert) {
+    assert.expect(7);
     var counter1 = 0, counter2 = 0;
 
-    var view = new Backbone.View({el: '#testElement'});
-    view.increment = function(){ counter1++; };
-    view.$el.on('click', function(){ counter2++; });
+    var myView = new Backbone.View({el: '#testElement'});
+    myView.increment = function() { counter1++; };
+    myView.$el.on('click', function() { counter2++; });
 
     var events = {'click h1': 'increment'};
 
-    view.delegateEvents(events);
-    view.$('h1').trigger('click');
-    equal(counter1, 1);
-    equal(counter2, 1);
+    myView.delegateEvents(events);
+    myView.$('h1').trigger('click');
+    assert.equal(counter1, 1);
+    assert.equal(counter2, 1);
 
-    view.undelegateEvents();
-    view.$('h1').trigger('click');
-    equal(counter1, 1);
-    equal(counter2, 2);
+    myView.undelegateEvents();
+    myView.$('h1').trigger('click');
+    assert.equal(counter1, 1);
+    assert.equal(counter2, 2);
 
-    view.delegateEvents(events);
-    view.$('h1').trigger('click');
-    equal(counter1, 2);
-    equal(counter2, 3);
+    myView.delegateEvents(events);
+    myView.$('h1').trigger('click');
+    assert.equal(counter1, 2);
+    assert.equal(counter2, 3);
+
+    assert.equal(myView.undelegateEvents(), myView, '#undelegateEvents returns the view instance');
   });
 
-  test("_ensureElement with DOM node el", 1, function() {
+  QUnit.test('undelegate', function(assert) {
+    assert.expect(1);
+    var myView = new Backbone.View({el: '#testElement'});
+    myView.delegate('click', function() { assert.ok(false); });
+    myView.delegate('click', 'h1', function() { assert.ok(false); });
+
+    myView.undelegate('click');
+
+    myView.$('h1').trigger('click');
+    myView.$el.trigger('click');
+
+    assert.equal(myView.undelegate(), myView, '#undelegate returns the view instance');
+  });
+
+  QUnit.test('undelegate with passed handler', function(assert) {
+    assert.expect(1);
+    var myView = new Backbone.View({el: '#testElement'});
+    var listener = function() { assert.ok(false); };
+    myView.delegate('click', listener);
+    myView.delegate('click', function() { assert.ok(true); });
+    myView.undelegate('click', listener);
+    myView.$el.trigger('click');
+  });
+
+  QUnit.test('undelegate with selector', function(assert) {
+    assert.expect(2);
+    var myView = new Backbone.View({el: '#testElement'});
+    myView.delegate('click', function() { assert.ok(true); });
+    myView.delegate('click', 'h1', function() { assert.ok(false); });
+    myView.undelegate('click', 'h1');
+    myView.$('h1').trigger('click');
+    myView.$el.trigger('click');
+  });
+
+  QUnit.test('undelegate with handler and selector', function(assert) {
+    assert.expect(2);
+    var myView = new Backbone.View({el: '#testElement'});
+    myView.delegate('click', function() { assert.ok(true); });
+    var handler = function() { assert.ok(false); };
+    myView.delegate('click', 'h1', handler);
+    myView.undelegate('click', 'h1', handler);
+    myView.$('h1').trigger('click');
+    myView.$el.trigger('click');
+  });
+
+  QUnit.test('tagName can be provided as a string', function(assert) {
+    assert.expect(1);
+    var View = Backbone.View.extend({
+      tagName: 'span'
+    });
+
+    assert.equal(new View().el.tagName, 'SPAN');
+  });
+
+  QUnit.test('tagName can be provided as a function', function(assert) {
+    assert.expect(1);
+    var View = Backbone.View.extend({
+      tagName: function() {
+        return 'p';
+      }
+    });
+
+    assert.ok(new View().$el.is('p'));
+  });
+
+  QUnit.test('_ensureElement with DOM node el', function(assert) {
+    assert.expect(1);
     var View = Backbone.View.extend({
       el: document.body
     });
 
-    equal(new View().el, document.body);
+    assert.equal(new View().el, document.body);
   });
 
-  test("_ensureElement with string el", 3, function() {
+  QUnit.test('_ensureElement with string el', function(assert) {
+    assert.expect(3);
     var View = Backbone.View.extend({
-      el: "body"
+      el: 'body'
     });
-    strictEqual(new View().el, document.body);
+    assert.strictEqual(new View().el, document.body);
 
     View = Backbone.View.extend({
-      el: "#testElement > h1"
+      el: '#testElement > h1'
     });
-    strictEqual(new View().el, $("#testElement > h1").get(0));
+    assert.strictEqual(new View().el, $('#testElement > h1').get(0));
 
     View = Backbone.View.extend({
-      el: "#nonexistent"
+      el: '#nonexistent'
     });
-    ok(!new View().el);
+    assert.ok(!new View().el);
   });
 
-  test("with className and id functions", 2, function() {
+  QUnit.test('with className and id functions', function(assert) {
+    assert.expect(2);
     var View = Backbone.View.extend({
       className: function() {
         return 'className';
@@ -149,33 +289,54 @@
       }
     });
 
-    strictEqual(new View().el.className, 'className');
-    strictEqual(new View().el.id, 'id');
+    assert.strictEqual(new View().el.className, 'className');
+    assert.strictEqual(new View().el.id, 'id');
   });
 
-  test("with attributes", 2, function() {
+  QUnit.test('with attributes', function(assert) {
+    assert.expect(2);
     var View = Backbone.View.extend({
       attributes: {
-        id: 'id',
+        'id': 'id',
         'class': 'class'
       }
     });
 
-    strictEqual(new View().el.className, 'class');
-    strictEqual(new View().el.id, 'id');
+    assert.strictEqual(new View().el.className, 'class');
+    assert.strictEqual(new View().el.id, 'id');
   });
 
-  test("with attributes as a function", 1, function() {
+  QUnit.test('with attributes as a function', function(assert) {
+    assert.expect(1);
     var View = Backbone.View.extend({
       attributes: function() {
         return {'class': 'dynamic'};
       }
     });
 
-    strictEqual(new View().el.className, 'dynamic');
+    assert.strictEqual(new View().el.className, 'dynamic');
   });
 
-  test("multiple views per element", 3, function() {
+  QUnit.test('should default to className/id properties', function(assert) {
+    assert.expect(4);
+    var View = Backbone.View.extend({
+      className: 'backboneClass',
+      id: 'backboneId',
+      attributes: {
+        'class': 'attributeClass',
+        'id': 'attributeId'
+      }
+    });
+
+    var myView = new View;
+    assert.strictEqual(myView.el.className, 'backboneClass');
+    assert.strictEqual(myView.el.id, 'backboneId');
+    assert.strictEqual(myView.$el.attr('class'), 'backboneClass');
+    assert.strictEqual(myView.$el.attr('id'), 'backboneId');
+  });
+
+  QUnit.test('multiple views per element', function(assert) {
+    assert.expect(3);
     var count = 0;
     var $el = $('<p></p>');
 
@@ -189,122 +350,112 @@
     });
 
     var view1 = new View;
-    $el.trigger("click");
-    equal(1, count);
+    $el.trigger('click');
+    assert.equal(1, count);
 
     var view2 = new View;
-    $el.trigger("click");
-    equal(3, count);
+    $el.trigger('click');
+    assert.equal(3, count);
 
     view1.delegateEvents();
-    $el.trigger("click");
-    equal(5, count);
+    $el.trigger('click');
+    assert.equal(5, count);
   });
 
-  test("custom events, with namespaces", 2, function() {
-    var count = 0;
-
+  QUnit.test('custom events', function(assert) {
+    assert.expect(2);
     var View = Backbone.View.extend({
       el: $('body'),
-      events: function() {
-        return {"fake$event.namespaced": "run"};
-      },
-      run: function() {
-        count++;
+      events: {
+        fake$event: function() { assert.ok(true); }
       }
     });
 
-    var view = new View;
+    var myView = new View;
     $('body').trigger('fake$event').trigger('fake$event');
-    equal(count, 2);
 
-    $('body').off('.namespaced');
+    $('body').off('fake$event');
     $('body').trigger('fake$event');
-    equal(count, 2);
   });
 
-  test("#1048 - setElement uses provided object.", 2, function() {
+  QUnit.test('#1048 - setElement uses provided object.', function(assert) {
+    assert.expect(2);
     var $el = $('body');
 
-    var view = new Backbone.View({el: $el});
-    ok(view.$el === $el);
+    var myView = new Backbone.View({el: $el});
+    assert.ok(myView.$el === $el);
 
-    view.setElement($el = $($el));
-    ok(view.$el === $el);
+    myView.setElement($el = $($el));
+    assert.ok(myView.$el === $el);
   });
 
-  test("#986 - Undelegate before changing element.", 1, function() {
+  QUnit.test('#986 - Undelegate before changing element.', function(assert) {
+    assert.expect(1);
     var button1 = $('<button></button>');
     var button2 = $('<button></button>');
 
     var View = Backbone.View.extend({
       events: {
         click: function(e) {
-          ok(view.el === e.target);
+          assert.ok(myView.el === e.target);
         }
       }
     });
 
-    var view = new View({el: button1});
-    view.setElement(button2);
+    var myView = new View({el: button1});
+    myView.setElement(button2);
 
     button1.trigger('click');
     button2.trigger('click');
   });
 
-  test("#1172 - Clone attributes object", 2, function() {
+  QUnit.test('#1172 - Clone attributes object', function(assert) {
+    assert.expect(2);
     var View = Backbone.View.extend({
       attributes: {foo: 'bar'}
     });
 
     var view1 = new View({id: 'foo'});
-    strictEqual(view1.el.id, 'foo');
+    assert.strictEqual(view1.el.id, 'foo');
 
     var view2 = new View();
-    ok(!view2.el.id);
+    assert.ok(!view2.el.id);
   });
 
-  test("#1228 - tagName can be provided as a function", 1, function() {
-    var View = Backbone.View.extend({
-      tagName: function() {
-        return 'p';
-      }
-    });
-
-    ok(new View().$el.is('p'));
-  });
-
-  test("views stopListening", 0, function() {
+  QUnit.test('views stopListening', function(assert) {
+    assert.expect(0);
     var View = Backbone.View.extend({
       initialize: function() {
-        this.listenTo(this.model, 'all x', function(){ ok(false); }, this);
-        this.listenTo(this.collection, 'all x', function(){ ok(false); }, this);
+        this.listenTo(this.model, 'all x', function() { assert.ok(false); });
+        this.listenTo(this.collection, 'all x', function() { assert.ok(false); });
       }
     });
 
-    var view = new View({
+    var myView = new View({
       model: new Backbone.Model,
       collection: new Backbone.Collection
     });
 
-    view.stopListening();
-    view.model.trigger('x');
-    view.collection.trigger('x');
+    myView.stopListening();
+    myView.model.trigger('x');
+    myView.collection.trigger('x');
   });
 
-  test("Provide function for el.", 2, function() {
+  QUnit.test('Provide function for el.', function(assert) {
+    assert.expect(2);
     var View = Backbone.View.extend({
       el: function() {
-        return "<p><a></a></p>";
+        return '<p><a></a></p>';
       }
     });
 
-    var view = new View;
-    ok(view.$el.is('p'));
-    ok(view.$el.has('a'));
+    var myView = new View;
+    assert.ok(myView.$el.is('p'));
+    assert.ok(myView.$el.has('a'));
   });
 
-  test("events passed in options", 1, function() {
+  QUnit.test('events passed in options', function(assert) {
+    assert.expect(1);
     var counter = 0;
 
     var View = Backbone.View.extend({
@@ -314,14 +465,52 @@
       }
     });
 
-    var view = new View({
+    var myView = new View({
       events: {
         'click h1': 'increment'
       }
     });
 
-    view.$('h1').trigger('click').trigger('click');
-    equal(counter, 2);
+    myView.$('h1').trigger('click').trigger('click');
+    assert.equal(counter, 2);
   });
 
-})();
+  QUnit.test('remove', function(assert) {
+    assert.expect(2);
+    var myView = new Backbone.View;
+    document.body.appendChild(view.el);
+
+    myView.delegate('click', function() { assert.ok(false); });
+    myView.listenTo(myView, 'all x', function() { assert.ok(false); });
+
+    assert.equal(myView.remove(), myView, '#remove returns the view instance');
+    myView.$el.trigger('click');
+    myView.trigger('x');
+
+    // In IE8 and below, parentNode still exists but is not document.body.
+    assert.notEqual(myView.el.parentNode, document.body);
+  });
+
+  QUnit.test('setElement', function(assert) {
+    assert.expect(3);
+    var myView = new Backbone.View({
+      events: {
+        click: function() { assert.ok(false); }
+      }
+    });
+    myView.events = {
+      click: function() { assert.ok(true); }
+    };
+    var oldEl = myView.el;
+    var $oldEl = myView.$el;
+
+    myView.setElement(document.createElement('div'));
+
+    $oldEl.click();
+    myView.$el.click();
+
+    assert.notEqual(oldEl, myView.el);
+    assert.notEqual($oldEl, myView.$el);
+  });
+
+})(QUnit);

vendor/benchmark.js/LICENSE.txt

@@ -1,22 +0,0 @@
-Copyright 2010-2015 Mathias Bynens <http://mathiasbynens.be/>
-Based on JSLitmus.js, copyright Robert Kieffer <http://broofa.com/>
-Modified by John-David Dalton <http://allyoucanleet.com/>
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

vendor/firebug-lite/skin/xp/firebug-1.3a2.css

@@ -70,7 +70,7 @@ html, body {
 body {
     font-family: Lucida Grande, Tahoma, sans-serif;
     font-size: 11px;
-    background: #fff;
+    background: #fff;    
 }
 
 .clear {
@@ -103,7 +103,7 @@ body {
     border: 1px solid #ccc;
     margin: 0 5px 0 0;
     background: #fff url(search.png) no-repeat 4px 2px;
-    padding-left: 20px;
+    padding-left: 20px;    
     font-size: 11px;
 }
 
@@ -124,7 +124,7 @@ body {
     height: 14px;
     background: url(errorIcon.png) no-repeat;
     color: #f00;
-    font-weight: bold;
+    font-weight: bold;    
 }
 
 #fbMiniErrors {
@@ -139,7 +139,7 @@ body {
     margin: 3px 4px 0;
     height: 20px;
     width: 20px;
-    float: right;
+    float: right;    
     background: url(sprite.png) 0 -135px;
     cursor: pointer;
 }
@@ -192,10 +192,10 @@ body {
 }
 
 /************************************************************************************************
- Sub-Layout
+ Sub-Layout 
 *************************************************************************************************/
 
-/* fbToolbar
+/* fbToolbar 
 *************************************************************************************************/
 #fbToolbarIcon {
     float: left;
@@ -237,7 +237,7 @@ body {
     position: relative;
     top: 5px;
     line-height: 19px;
-    cursor: default;
+    cursor: default;    
 }
 
 .fbToolbarSeparator{
@@ -262,7 +262,7 @@ body {
 
 .fbStatusBar span a:hover {
     color: blue;
-    cursor: pointer;
+    cursor: pointer;    
 }
 
 
@@ -307,7 +307,7 @@ body {
     padding-left: 10px;
 }
 
-/* body
+/* body 
 *************************************************************************************************/
 .fbPanel {
     display: none;
@@ -340,7 +340,7 @@ body {
     visibility: hidden !important;
 }
 
-/* fbBottom
+/* fbBottom 
 *************************************************************************************************/
 
 #fbCommand {
@@ -391,7 +391,7 @@ div.fbFitHeight {
  Layout Controls
 *************************************************************************************************/
 
-/* fbToolbar buttons
+/* fbToolbar buttons 
 *************************************************************************************************/
 #fbWindowButtons a {
     font-size: 1px;
@@ -420,7 +420,7 @@ div.fbFitHeight {
     background: url(sprite.png) -48px -119px;
 }
 
-/* fbPanelBarBox tabs
+/* fbPanelBarBox tabs 
 *************************************************************************************************/
 .fbTab {
     text-decoration: none;
@@ -475,7 +475,7 @@ a.fbTab:hover .fbTabR {
     background: url(sprite.png) -8px -96px !important;
 }
 
-/* splitters
+/* splitters 
 *************************************************************************************************/
 #fbHSplitter {
     position: absolute;
@@ -571,7 +571,7 @@ div.objectBox-element {
     color: #fff !important;
 }
 
-/* Webkit CSS Hack - bug in "highlight" named color */
+/* Webkit CSS Hack - bug in "highlight" named color */ 
 @media screen and (-webkit-min-device-pixel-ratio:0) {
     .selectedElement{
       background: #316AC5;