Bump to v4.9.0.

.github/CONTRIBUTING.md

@@ -0,0 +1,78 @@
+# Contributing to Lodash
+
+Contributions are always welcome. Before contributing please read the
+[code of conduct](https://github.com/lodash/lodash/blob/master/CODE_OF_CONDUCT.md)
+& [search the issue tracker](https://github.com/lodash/lodash/issues); your issue
+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. 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 [jQuery Foundation](https://jquery.org/).
+As such, we request that all contributors sign the jQuery Foundation
+[contributor license agreement (CLA)](https://contribute.jquery.org/CLA/).
+
+For more information about CLAs, please check out Alex Russell’s excellent post,
+[“Why Do I Need to Sign This?”](http://infrequently.org/2008/06/why-do-i-need-to-sign-this/).
+
+## 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
+  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

@@ -5,3 +5,5 @@
 lodash.compat.min.js
 coverage
 node_modules
+.opt-in
+.opt-out

.travis.yml

@@ -41,9 +41,9 @@ before_install:
       PATTERN[1]="|\s*if\s*\(enumerate\b[\s\S]+?\};\s*\}|"
       PATTERN[2]="|\s*while\s*\([^)]+\)\s*\{\s*iteratee\(index\);\s*\}|"
       PATTERN[3]="|\s*else\s*\{\s*assocSet\(data\b[\s\S]+?\}|"
-      PATTERN[4]="|\s*if\s*\(ctorString\b[\s\S]+?\}\s*\}|"
+      PATTERN[4]="|\bcase\s+(?:dataView|set|map|weakMap)CtorString:.+|g"
       PATTERN[5]="|\bindex,\s*iterable\)\s*===\s*false\)[^}]+?(break;)|"
-      PATTERN[6]="|\s*if\s*\(!lodashFunc\)\s*\{\s*return;\s*\}|"
+      PATTERN[6]="|\s*if\s*\(\!lodashFunc\)\s*\{\s*return;\s*\}|"
       PATTERN[7]="|\s*define\([\s\S]+?\);|"
       PATTERN[8]="|\s*root\._\s*=\s*_;|"
 
@@ -63,7 +63,7 @@ script:
   - "[ $SAUCE_LABS == true ]  || [ $ISTANBUL == true ] || $BIN $OPTION ./test.js ../lodash.js"
   - "[ $SAUCE_LABS == true ]  || [ $ISTANBUL == true ] || [ $TRAVIS_SECURE_ENV_VARS == false ] || $BIN $OPTION ./test.js ../dist/lodash.min.js"
   - "[ $SAUCE_LABS == false ] || rm -rf ./node_modules/lodash"
-  - "[ $SAUCE_LABS == false ] || ($BIN ./node_modules/lodash-cli/bin/lodash modularize exports=node -o ./node_modules/lodash && node ./node_modules/lodash-cli/bin/lodash -d -o ./node_modules/lodash/index.js)"
+  - "[ $SAUCE_LABS == false ] || ($BIN ./node_modules/lodash-cli/bin/lodash modularize exports=node -o ./node_modules/lodash && node ./node_modules/lodash-cli/bin/lodash -d -o ./node_modules/lodash/lodash.js)"
   - "[ $SAUCE_LABS == false ] || $BIN ./node_modules/lodash-cli/bin/lodash core -o ./dist/lodash.core.js"
   - "[ $SAUCE_LABS == false ] || npm run build"
   - "[ $SAUCE_LABS == false ] || $BIN ./test/saucelabs.js name=\"lodash tests\"     runner=\"test/index.html?build=../dist/lodash.js&noglobals=true\"     tags=\"development\""

CODE_OF_CONDUCT.md

@@ -1,24 +1,41 @@
-# Contributor Code of Conduct
+# Contributor Covenant Code of Conduct
 
-As contributors and maintainers of this project, and in the interest of
-fostering an open and welcoming community, we pledge to respect all people who
-contribute through reporting issues, posting feature requests, updating
-documentation, submitting pull requests or patches, and other activities.
+## Our Pledge
 
-We are committed to making participation in this project a harassment-free
-experience for everyone, regardless of level of experience, gender, gender
-identity and expression, sexual orientation, disability, personal appearance,
-body size, race, ethnicity, age, religion, or nationality.
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, gender identity and expression, level of experience,
+nationality, personal appearance, race, religion, or sexual identity and
+orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
 
 Examples of unacceptable behavior by participants include:
 
-* The use of sexualized language or imagery
-* Personal attacks
-* Trolling or insulting/derogatory comments
+* The use of sexualized language or imagery and unwelcome sexual attention or
+advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
 * Public or private harassment
-* Publishing other's private information, such as physical or electronic
-  addresses, without explicit permission
-* Other unethical or unprofessional conduct
+* Publishing others' private information, such as a physical or electronic
+  address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
 
 Project maintainers have the right and responsibility to remove, edit, or
 reject comments, commits, code, wiki edits, issues, and other contributions
@@ -26,24 +43,32 @@ that are not aligned to this Code of Conduct, or to ban temporarily or
 permanently any contributor for other behaviors that they deem inappropriate,
 threatening, offensive, or harmful.
 
-By adopting this Code of Conduct, project maintainers commit themselves to
-fairly and consistently applying these principles to every aspect of managing
-this project. Project maintainers who do not follow or enforce the Code of
-Conduct may be permanently removed from the project team.
+## Scope
 
-This code of conduct applies both within project spaces and in public spaces
-when an individual is representing the project or its community.
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported by contacting a project maintainer at
-[coc@lodash.com](mailto:coc@lodash.com). All complaints will be reviewed and
-investigated and will result in a response that is deemed necessary and
-appropriate to the circumstances. Maintainers are obligated to maintain
-confidentiality with regard to the reporter of an incident.
+reported by contacting the project team at [coc@lodash.com](mailto:coc@lodash.com).
+The project team will review and investigate all complaints, and will respond in
+a way that it deems appropriate to the circumstances. The project team is obligated
+to maintain confidentiality with regard to the reporter of an incident. Further
+details of specific enforcement policies may be posted separately.
 
-This Code of Conduct is adapted from the [Contributor Covenant][homepage],
-version 1.3.0, available at
-[http://contributor-covenant.org/version/1/3/0/][version]
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at [http://contributor-covenant.org/version/1/4][version]
 
 [homepage]: http://contributor-covenant.org
-[version]: http://contributor-covenant.org/version/1/3/0/
+[version]: http://contributor-covenant.org/version/1/4/

CONTRIBUTING.md

@@ -1,43 +0,0 @@
-# Contributing to lodash
-
-Contributions are always welcome. Before contributing, please read the [code of conduct](https://github.com/lodash/lodash/blob/master/CODE_OF_CONDUCT.md) & [search the issue tracker](https://github.com/lodash/lodash/issues);
-your issue 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/).
-
-## Tests
-
-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 [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 functions.
-
-Guidelines are enforced using [JSCS](https://www.npmjs.com/package/jscs):
-
-```bash
-$ npm run style
-```

LICENSE

@@ -1,7 +1,17 @@
-Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
-Based on Underscore.js, copyright 2009-2016 Jeremy Ashkenas,
+Copyright jQuery Foundation and other contributors <https://jquery.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

@@ -1,6 +1,6 @@
-# lodash v4.2.0
+# lodash v4.9.0
 
-The [lodash](https://lodash.com/) library exported as a [UMD](https://github.com/umdjs/umd) module.
+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
@@ -13,18 +13,40 @@ $ lodash core -o ./dist/lodash.core.js
 
 [![Gitter](https://badges.gitter.im/lodash/lodash.svg)](https://gitter.im/lodash/lodash)
 
-## Module formats
+## Documentation
 
-Lodash is available in a variety of other builds & module formats.
+  * [API Documentation](https://lodash.com/docs)
+  * [FP Guide](https://github.com/lodash/lodash/wiki/FP-Guide)
+
+## Download
+
+Lodash is released under the [MIT license](https://raw.githubusercontent.com/lodash/lodash/4.9.0/LICENSE) & supports [modern environments](#support).<br>
+Review the [build differences](https://github.com/lodash/lodash/wiki/build-differences) & pick one that’s right for you.
+
+ * [Core build](https://raw.githubusercontent.com/lodash/lodash/4.9.0/dist/lodash.core.js) ([~4 kB gzipped](https://raw.githubusercontent.com/lodash/lodash/4.9.0/dist/lodash.core.min.js))
+ * [Full build](https://raw.githubusercontent.com/lodash/lodash/4.9.0/dist/lodash.js) ([~21 kB gzipped](https://raw.githubusercontent.com/lodash/lodash/4.9.0/dist/lodash.min.js))
+ * [CDN copies](https://www.jsdelivr.com/projects/lodash)
+
+## 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-amd](https://www.npmjs.com/package/lodash-amd)
  * [lodash-es](https://www.npmjs.com/package/lodash-es) & [babel-plugin-lodash](https://www.npmjs.com/package/babel-plugin-lodash)
+ * [lodash/fp](https://github.com/lodash/lodash/tree/4.9.0-npm/fp)
 
 ## Further Reading
 
-  * [API Documentation](https://lodash.com/docs)
-  * [Build Differences](https://github.com/lodash/lodash/wiki/Build-Differences)
-  * [Changelog](https://github.com/lodash/lodash/wiki/Changelog)
-  * [Roadmap](https://github.com/lodash/lodash/wiki/Roadmap)
-  * [More Resources](https://github.com/lodash/lodash/wiki/Resources)
+  * [Contributing](https://github.com/lodash/lodash/blob/4.9.0/.github/CONTRIBUTING.md)
+  * [Release Notes](https://github.com/lodash/lodash/releases/tag/4.0.0)
+  * [Wiki (Changelog, Roadmap, etc.)](https://github.com/lodash/lodash/wiki)

dist/lodash.core.min.js

@@ -1,30 +1,30 @@
 /**
  * @license
- * lodash 4.2.0 (Custom Build) lodash.com/license | Underscore.js 1.8.3 underscorejs.org/LICENSE
+ * lodash 4.9.0 (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,t){for(var r=-1,e=t.length,u=n.length;++r<e;)n[u+r]=t[r];return n}function t(n,t,r){for(var e=-1,u=n.length;++e<u;){var o=n[e],i=t(o);if(null!=i&&(c===an?i===i:r(i,c)))var c=i,f=o}return f}function r(n,t,r){var e;return r(n,function(n,r,u){return t(n,r,u)?(e=n,false):void 0}),e}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 w(t,function(t){return n[t]})}function o(n){return n&&n.Object===Object?n:null}function i(n){return hn[n];
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+"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#39;","`":"&#96;"},bn={"function":true,object:true},_n=bn[typeof exports]&&exports&&!exports.nodeType?exports:pn,jn=bn[typeof module]&&module&&!module.nodeType?module:pn,dn=jn&&jn.exports===_n?_n:pn,mn=o(bn[typeof self]&&self),On=o(bn[typeof window]&&window),wn=o(bn[typeof this]&&this),xn=o(_n&&jn&&typeof global=="object"&&global)||On!==(wn&&wn.window)&&On||mn||wn||Function("return this")(),An=Array.prototype,En=Object.prototype,kn=En.hasOwnProperty,Nn=0,Sn=En.toString,Tn=xn._,Fn=xn.Reflect,Rn=Fn?Fn.f:pn,Bn=Object.create,Dn=En.propertyIsEnumerable,In=xn.isFinite,$n=Object.keys,qn=Math.max,zn=!Dn.call({
+valueOf:1},"valueOf");l.prototype=s(a.prototype),l.prototype.constructor=l;var Cn=function(n,t){return function(r,e){if(null==r)return r;if(!W(r))return n(r,e);for(var u=r.length,o=t?u:-1,i=Object(r);(t?o--:++o<u)&&false!==e(i[o],o,i););return r}}(b),Gn=function(n){return function(t,r,e){var u=-1,o=Object(t);e=e(t);for(var i=e.length;i--;){var c=e[n?i:++u];if(false===r(o[c],c,o))break}return t}}();Rn&&!Dn.call({valueOf:1},"valueOf")&&(O=function(n){n=Rn(n);for(var t,r=[];!(t=n.next()).done;)r.push(t.value);
+return r});var Jn=E("length"),Mn=H(function(n,t,r){return D(n,t,r)}),Pn=H(function(n,t){return h(n,1,t)}),Un=H(function(n,t,r){return h(n,Kn(t)||0,r)}),Vn=Array.isArray,Hn=Number,Kn=Number,Ln=R(function(n,t){F(t,on(t),n)}),Qn=R(function(n,t){F(t,cn(t),n)}),Wn=R(function(n,t,r,e){F(t,cn(t),n,e)}),Xn=H(function(n){return n.push(pn,p),Wn.apply(pn,n)}),Yn=H(function(n,t){return null==n?{}:A(n,g(t,1))}),Zn=m;a.assignIn=Qn,a.before=V,a.bind=Mn,a.chain=function(n){return n=a(n),n.__chain__=true,n},a.compact=function(n){
+return y(n,Boolean)},a.concat=function(){var t=arguments.length,r=K(arguments[0]);if(2>t)return t?N(r):[];for(var e=Array(t-1);t--;)e[t-1]=arguments[t];return g(e,1),n(N(r),fn)},a.create=function(n,t){var r=s(n);return t?Ln(r,t):r},a.defaults=Xn,a.defer=Pn,a.delay=Un,a.filter=function(n,t){return y(n,m(t))},a.flatten=function(n){return n&&n.length?g(n,1):[]},a.flattenDeep=function(n){return n&&n.length?g(n,sn):[]},a.iteratee=Zn,a.keys=on,a.map=function(n,t){return w(n,m(t))},a.matches=function(n){
+return x(Ln({},n))},a.mixin=ln,a.negate=function(n){if(typeof n!="function")throw new TypeError("Expected a function");return function(){return!n.apply(this,arguments)}},a.once=function(n){return V(2,n)},a.pick=Yn,a.slice=function(n,t,r){var e=n?n.length:0;return r=r===pn?e:+r,e?k(n,null==t?0:+t,r):[]},a.sortBy=function(n,t){var r=0;return t=m(t),w(w(n,function(n,e,u){return{c:n,b:r++,a:t(n,e,u)}}).sort(function(n,t){var r;n:{r=n.a;var e=t.a;if(r!==e){var u=null===r,o=r===pn,i=r===r,c=null===e,f=e===pn,a=e===e;
+if(r>e&&!c||!i||u&&!f&&a||o&&a){r=1;break n}if(e>r&&!u||!a||c&&!o&&i||f&&i){r=-1;break n}}r=0}return r||n.b-t.b}),E("c"))},a.tap=function(n,t){return t(n),n},a.thru=function(n,t){return t(n)},a.toArray=function(n){return W(n)?n.length?N(n):[]:fn(n)},a.values=fn,a.extend=Qn,ln(a,a),a.clone=function(n){return Z(n)?Vn(n)?N(n):F(n,on(n)):n},a.escape=function(n){return(n=un(n))&&vn.test(n)?n.replace(hn,i):n},a.every=function(n,t,r){return t=r?pn:t,v(n,m(t))},a.find=M,a.forEach=P,a.has=function(n,t){return null!=n&&kn.call(n,t);
+},a.head=J,a.identity=an,a.indexOf=function(n,t,r){var e=n?n.length:0;r=typeof r=="number"?0>r?qn(e+r,0):r:0,r=(r||0)-1;for(var u=t===t;++r<e;){var o=n[r];if(u?o===t:o!==o)return r}return-1},a.isArguments=Q,a.isArray=Vn,a.isBoolean=function(n){return true===n||false===n||nn(n)&&"[object Boolean]"==Sn.call(n)},a.isDate=function(n){return nn(n)&&"[object Date]"==Sn.call(n)},a.isEmpty=function(n){if(W(n)&&(Vn(n)||rn(n)||X(n.splice)||Q(n)))return!n.length;for(var t in n)if(kn.call(n,t))return false;return!(zn&&on(n).length);
+},a.isEqual=function(n,t){return j(n,t)},a.isFinite=function(n){return typeof n=="number"&&In(n)},a.isFunction=X,a.isNaN=function(n){return tn(n)&&n!=+n},a.isNull=function(n){return null===n},a.isNumber=tn,a.isObject=Z,a.isRegExp=function(n){return Z(n)&&"[object RegExp]"==Sn.call(n)},a.isString=rn,a.isUndefined=function(n){return n===pn},a.last=function(n){var t=n?n.length:0;return t?n[t-1]:pn},a.max=function(n){return n&&n.length?t(n,an,L):pn},a.min=function(n){return n&&n.length?t(n,an,en):pn},
+a.noConflict=function(){return xn._===this&&(xn._=Tn),this},a.noop=function(){},a.reduce=U,a.result=function(n,t,r){return t=null==n?pn:n[t],t===pn&&(t=r),X(t)?t.call(n):t},a.size=function(n){return null==n?0:(n=W(n)?n:on(n),n.length)},a.some=function(n,t,r){return t=r?pn:t,S(n,m(t))},a.uniqueId=function(n){var t=++Nn;return un(n)+t},a.each=P,a.first=J,ln(a,function(){var n={};return b(a,function(t,r){kn.call(a.prototype,r)||(n[r]=t)}),n}(),{chain:false}),a.VERSION="4.9.0",Cn("pop join replace reverse split push shift sort splice unshift".split(" "),function(n){
+var t=(/^(?:replace|split)$/.test(n)?String.prototype:An)[n],r=/^(?:push|sort|unshift)$/.test(n)?"tap":"thru",e=/^(?:pop|join|replace|shift)$/.test(n);a.prototype[n]=function(){var n=arguments;if(e&&!this.__chain__){var u=this.value();return t.apply(Vn(u)?u:[],n)}return this[r](function(r){return t.apply(Vn(r)?r:[],n)})}}),a.prototype.toJSON=a.prototype.valueOf=a.prototype.value=function(){return T(this.__wrapped__,this.__actions__)},(On||mn||{})._=a,typeof define=="function"&&typeof define.amd=="object"&&define.amd? define(function(){
+return a}):_n&&jn?(dn&&((jn.exports=a)._=a),_n._=a):xn._=a}).call(this);

dist/lodash.fp.js

@@ -57,15 +57,20 @@ return /******/ (function(modules) { // webpackBootstrap
 	var baseConvert = __webpack_require__(1);
 
 	/**
-	 * Converts `lodash` to an immutable auto-curried iteratee-first data-last version.
+	 * Converts `lodash` to an immutable auto-curried iteratee-first data-last
+	 * version with conversion `options` applied.
 	 *
-	 * @param {Function} lodash The lodash function.
+	 * @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) {
-	  return baseConvert(lodash, lodash);
+	function browserConvert(lodash, options) {
+	  return baseConvert(lodash, lodash, options);
 	}
 
+	if (typeof _ == 'function') {
+	  _ = browserConvert(_.runInContext());
+	}
 	module.exports = browserConvert;
 
 
@@ -75,117 +80,187 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	var mapping = __webpack_require__(2),
 	    mutateMap = mapping.mutate,
-	    placeholder = {};
+	    fallbackHolder = __webpack_require__(3);
+
+	/**
+	 * 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);
+	  };
+	}
+
+	/**
+	 * 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 immutWrap(func, cloner) {
+	  return function() {
+	    var length = arguments.length;
+	    if (!length) {
+	      return result;
+	    }
+	    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 wrap.
-	 * @param {Function} func The function to wrap.
+	 * @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) {
-	  if (typeof func != 'function') {
+	function baseConvert(util, name, func, options) {
+	  var setPlaceholder,
+	      isLib = typeof name == 'function',
+	      isObj = name === Object(name);
+
+	  if (isObj) {
+	    options = func;
 	    func = name;
 	    name = undefined;
 	  }
 	  if (func == null) {
 	    throw new TypeError;
 	  }
-	  var isLib = name === undefined && typeof func.VERSION == 'string';
+	  options || (options = {});
 
-	  var _ = isLib ? func : {
+	  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 forceCurry = ('curry' in options) && options.curry,
+	      forceFixed = ('fixed' in options) && options.fixed,
+	      forceRearg = ('rearg' in options) && options.rearg,
+	      placeholder = isLib ? func : fallbackHolder,
+	      pristine = isLib ? func.runInContext() : undefined;
+
+	  var helpers = isLib ? func : {
 	    'ary': util.ary,
-	    'cloneDeep': util.cloneDeep,
+	    'assign': util.assign,
+	    'clone': util.clone,
 	    'curry': util.curry,
 	    'forEach': util.forEach,
+	    'isArray': util.isArray,
 	    'isFunction': util.isFunction,
 	    'iteratee': util.iteratee,
 	    'keys': util.keys,
 	    'rearg': util.rearg,
-	    'rest': util.rest
+	    'spread': util.spread,
+	    'toPath': util.toPath
 	  };
 
-	  var ary = _.ary,
-	      cloneDeep = _.cloneDeep,
-	      curry = _.curry,
-	      each = _.forEach,
-	      isFunction = _.isFunction,
-	      keys = _.keys,
-	      rearg = _.rearg,
-	      spread = _.spread;
+	  var ary = helpers.ary,
+	      assign = helpers.assign,
+	      clone = helpers.clone,
+	      curry = helpers.curry,
+	      each = helpers.forEach,
+	      isArray = helpers.isArray,
+	      isFunction = helpers.isFunction,
+	      keys = helpers.keys,
+	      rearg = helpers.rearg,
+	      spread = helpers.spread,
+	      toPath = helpers.toPath;
 
-	  var baseArity = function(func, n) {
-	    return n == 2
-	      ? function(a, b) { return func.apply(undefined, arguments); }
-	      : function(a) { return func.apply(undefined, arguments); };
-	  };
-
-	  var baseAry = function(func, n) {
-	    return n == 2
-	      ? function(a, b) { return func(a, b); }
-	      : function(a) { return func(a); };
-	  };
-
-	  var cloneArray = function(array) {
-	    var length = array ? array.length : 0,
-	        result = Array(length);
-
-	    while (length--) {
-	      result[length] = array[length];
-	    }
-	    return result;
-	  };
-
-	  var createCloner = function(func) {
-	    return function(object) {
-	      return func({}, object);
-	    };
-	  };
-
-	  var immutWrap = function(func, cloner) {
-	    return overArg(func, cloner, true);
-	  };
-
-	  var iterateeAry = function(func, n) {
-	    return overArg(func, function(func) {
-	      return baseAry(func, n);
-	    });
-	  };
-
-	  var iterateeRearg = function(func, indexes) {
-	    return overArg(func, function(func) {
-	      var n = indexes.length;
-	      return baseArity(rearg(baseAry(func, n), indexes), n);
-	    });
-	  };
-
-	  var overArg = function(func, iteratee, retArg) {
-	    return function() {
-	      var length = arguments.length,
-	          args = Array(length);
-
-	      while (length--) {
-	        args[length] = arguments[length];
-	      }
-	      args[0] = iteratee(args[0]);
-	      var result = func.apply(undefined, args);
-	      return retArg ? args[0] : result;
-	    };
-	  };
+	  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];
+	            arity = arguments[1],
+	            result = iteratee(func, arity),
+	            length = result.length;
 
-	        arity = arity > 2 ? (arity - 2) : 1;
-	        func = iteratee(func);
-	        var length = func.length;
-	        return (length && length <= arity) ? func : baseAry(func, arity);
+	        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) {
@@ -220,48 +295,184 @@ return /******/ (function(modules) { // webpackBootstrap
 	    },
 	    'runInContext': function(runInContext) {
 	      return function(context) {
-	        return baseConvert(util, runInContext(context));
+	        return baseConvert(util, runInContext(context), options);
 	      };
 	    }
 	  };
 
-	  var wrap = function(name, 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,
+	        result = clone(Object(object)),
+	        nested = result;
+
+	    while (nested != null && ++index < length) {
+	      var key = path[index],
+	          value = nested[key];
+
+	      if (value != null) {
+	        nested[key] = clone(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 oldOptions = options;
+	    return function(options) {
+	      var newUtil = isLib ? pristine : helpers,
+	          newFunc = isLib ? pristine[name] : func,
+	          newOptions = assign(assign({}, oldOptions), options);
+
+	      return baseConvert(newUtil, name, 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 passed
+	   * thru `transform`.
+	   *
+	   * @private
+	   * @param {Function} func The function to wrap.
+	   * @param {...Function} transform The functions to transform the first argument.
+	   * @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) {
 	    name = mapping.aliasToReal[name] || name;
-	    var wrapper = wrappers[name];
+
+	    var result,
+	        wrapped = func,
+	        wrapper = wrappers[name];
+
 	    if (wrapper) {
-	      return wrapper(func);
+	      wrapped = wrapper(func);
 	    }
-	    if (mutateMap.array[name]) {
-	      func = immutWrap(func, cloneArray);
+	    else if (config.immutable) {
+	      if (mutateMap.array[name]) {
+	        wrapped = immutWrap(func, cloneArray);
+	      }
+	      else if (mutateMap.object[name]) {
+	        wrapped = immutWrap(func, createCloner(func));
+	      }
+	      else if (mutateMap.set[name]) {
+	        wrapped = immutWrap(func, cloneByPath);
+	      }
 	    }
-	    else if (mutateMap.object[name]) {
-	      func = immutWrap(func, createCloner(func));
-	    }
-	    else if (mutateMap.set[name]) {
-	      func = immutWrap(func, cloneDeep);
-	    }
-	    var result;
-	    each(mapping.caps, function(cap) {
-	      each(mapping.aryMethod[cap], function(otherName) {
+	    each(aryMethodKeys, function(aryKey) {
+	      each(mapping.aryMethod[aryKey], function(otherName) {
 	        if (name == otherName) {
 	          var aryN = !isLib && mapping.iterateeAry[name],
 	              reargIndexes = mapping.iterateeRearg[name],
 	              spreadStart = mapping.methodSpread[name];
 
-	          result = spreadStart === undefined
-	            ? ary(func, cap)
-	            : spread(func, spreadStart);
-
-	          if (cap > 1 && !mapping.skipRearg[name]) {
-	            result = rearg(result, mapping.methodRearg[name] || mapping.aryRearg[cap]);
+	          result = wrapped;
+	          if (config.fixed && (forceFixed || !mapping.skipFixed[name])) {
+	            result = spreadStart === undefined
+	              ? ary(result, aryKey)
+	              : spread(result, spreadStart);
 	          }
-	          if (reargIndexes) {
-	            result = iterateeRearg(result, reargIndexes);
-	          } else if (aryN) {
-	            result = iterateeAry(result, aryN);
+	          if (config.rearg && aryKey > 1 && (forceRearg || !mapping.skipRearg[name])) {
+	            result = rearg(result, mapping.methodRearg[name] || mapping.aryRearg[aryKey]);
 	          }
-	          if (cap > 1) {
-	            result = curry(result, cap);
+	          if (config.cap) {
+	            if (reargIndexes) {
+	              result = iterateeRearg(result, reargIndexes);
+	            } else if (aryN) {
+	              result = iterateeAry(result, aryN);
+	            }
+	          }
+	          if (forceCurry || (config.curry && aryKey > 1)) {
+	            forceCurry  && console.log(forceCurry, name);
+	            result = curry(result, aryKey);
 	          }
 	          return false;
 	        }
@@ -269,36 +480,63 @@ return /******/ (function(modules) { // webpackBootstrap
 	      return !result;
 	    });
 
-	    result || (result = func);
+	    result || (result = wrapped);
+	    if (result == func) {
+	      result = forceCurry ? curry(result, 1) : function() {
+	        return func.apply(this, arguments);
+	      };
+	    }
+	    result.convert = createConverter(name, func);
 	    if (mapping.placeholder[name]) {
-	      result.placeholder = placeholder;
+	      setPlaceholder = true;
+	      result.placeholder = func.placeholder = placeholder;
 	    }
 	    return result;
-	  };
+	  }
 
-	  if (!isLib) {
+	  /*--------------------------------------------------------------------------*/
+
+	  if (!isObj) {
 	    return wrap(name, func);
 	  }
-	  // Add placeholder alias.
-	  _.__ = placeholder;
+	  var _ = func;
 
-	  // Iterate over methods for the current ary cap.
+	  // Convert methods by ary cap.
 	  var pairs = [];
-	  each(mapping.caps, function(cap) {
-	    each(mapping.aryMethod[cap], function(key) {
-	      var func = _[mapping.rename[key] || key];
+	  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];
 	  });
 
-	  // Wrap the lodash method and its aliases.
+	  _.convert = convertLib;
+	  if (setPlaceholder) {
+	    _.placeholder = placeholder;
+	  }
+	  // Assign aliases.
 	  each(keys(_), function(key) {
 	    each(mapping.realToAlias[key] || [], function(alias) {
 	      _[alias] = _[key];
@@ -317,22 +555,36 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	/** Used to map aliases to their real names. */
 	exports.aliasToReal = {
-	  'all': 'some',
+
+	  // Lodash aliases.
+	  'each': 'forEach',
+	  'eachRight': 'forEachRight',
+	  'entries': 'toPairs',
+	  'entriesIn': 'toPairsIn',
+	  'extend': 'assignIn',
+	  'extendWith': 'assignInWith',
+	  'first': 'head',
+
+	  // Ramda aliases.
+	  '__': 'placeholder',
+	  'all': 'every',
 	  'allPass': 'overEvery',
+	  'always': 'constant',
+	  'any': 'some',
+	  'anyPass': 'overSome',
 	  'apply': 'spread',
 	  'assoc': 'set',
 	  'assocPath': 'set',
+	  'complement': 'negate',
 	  'compose': 'flowRight',
 	  'contains': 'includes',
 	  'dissoc': 'unset',
 	  'dissocPath': 'unset',
-	  'each': 'forEach',
-	  'eachRight': 'forEachRight',
 	  'equals': 'isEqual',
-	  'extend': 'assignIn',
-	  'extendWith': 'assignInWith',
-	  'first': 'head',
+	  'identical': 'eq',
 	  'init': 'initial',
+	  'invertObj': 'invert',
+	  'juxt': 'over',
 	  'mapObj': 'mapValues',
 	  'omitAll': 'omit',
 	  'nAry': 'ary',
@@ -344,7 +596,6 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'prop': 'get',
 	  'propOf': 'propertyOf',
 	  'propOr': 'getOr',
-	  'somePass': 'overSome',
 	  'unapply': 'rest',
 	  'unnest': 'flatten',
 	  'useWith': 'overArgs',
@@ -354,61 +605,58 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	/** Used to map ary to method names. */
 	exports.aryMethod = {
-	  1: [
-	      'attempt', 'ceil', 'create', 'curry', 'curryRight', 'floor', 'fromPairs',
-	      'invert', 'iteratee', 'memoize', 'method', 'methodOf', 'mixin', 'over',
-	      'overEvery', 'overSome', 'rest', 'reverse', 'round', 'runInContext',
-	      'spread', 'template', 'trim', 'trimEnd', 'trimStart', 'uniqueId', 'words'
-	    ],
-	  2: [
-	      'add', 'after', 'ary', 'assign', 'assignIn', 'at', 'before', 'bind', 'bindKey',
-	      'chunk', 'cloneDeepWith', 'cloneWith', 'concat', 'countBy', 'curryN',
-	      'curryRightN', 'debounce', 'defaults', 'defaultsDeep', 'delay', 'difference',
-	      'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith', 'eq', 'every',
-	      'filter', 'find', 'find', 'findIndex', 'findKey', 'findLast', 'findLastIndex',
-	      'findLastKey', 'flatMap', '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', 'merge', 'minBy', 'omit',
-	      'omitBy', 'orderBy', 'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt',
-	      'partial', 'partialRight', 'partition', 'pick', 'pickBy', 'pull', 'pullAll',
-	      'pullAt', 'random', 'range', 'rangeRight', 'rearg', 'reject', 'remove',
-	      'repeat', 'result', 'sampleSize', 'some', 'sortBy', 'sortedIndex',
-	      'sortedIndexOf', 'sortedLastIndex', 'sortedLastIndexOf', 'sortedUniqBy',
-	      'split', 'startsWith', 'subtract', 'sumBy', 'take', 'takeRight', 'takeRightWhile',
-	      'takeWhile', 'tap', 'throttle', 'thru', 'times', 'truncate', 'union', 'uniqBy',
-	      'uniqWith', 'unset', 'unzipWith', 'without', 'wrap', 'xor', 'zip', 'zipObject',
-	      'zipObjectDeep'
-	    ],
-	  3: [
-	      'assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith',
-	      'getOr', 'inRange', 'intersectionBy', 'intersectionWith', 'isEqualWith',
-	      'isMatchWith', 'mergeWith', 'pullAllBy', 'reduce', 'reduceRight', 'replace',
-	      'set', 'slice', 'sortedIndexBy', 'sortedLastIndexBy', 'transform', 'unionBy',
-	      'unionWith', 'xorBy', 'xorWith', 'zipWith'
-	    ],
-	  4: [
-	      'fill', 'setWith'
-	    ]
+	  '1': [
+	    'attempt', 'castArray', 'ceil', 'create', 'curry', 'curryRight', 'floor',
+	    'flow', 'flowRight', 'fromPairs', 'invert', 'iteratee', 'memoize', 'method',
+	    'methodOf', 'mixin', 'over', 'overEvery', 'overSome', 'rest', 'reverse',
+	    'round', 'runInContext', 'spread', 'template', 'trim', 'trimEnd', 'trimStart',
+	    'uniqueId', 'words'
+	  ],
+	  '2': [
+	    'add', 'after', 'ary', 'assign', 'assignIn', 'at', 'before', 'bind', 'bindAll',
+	    'bindKey', 'chunk', 'cloneDeepWith', 'cloneWith', 'concat', 'countBy', 'curryN',
+	    'curryRightN', 'debounce', 'defaults', 'defaultsDeep', 'delay', 'difference',
+	    'divide', 'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith',
+	    'eq', 'every', 'filter', 'find', 'find', 'findIndex', 'findKey', 'findLast',
+	    'findLastIndex', 'findLastKey', 'flatMap', 'flatMapDeep', 'flattenDepth',
+	    'forEach', 'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight',
+	    'get', 'groupBy', 'gt', 'gte', 'has', 'hasIn', 'includes', 'indexOf',
+	    'intersection', 'invertBy', 'invoke', 'invokeMap', 'isEqual', 'isMatch',
+	    'join', 'keyBy', 'lastIndexOf', 'lt', 'lte', 'map', 'mapKeys', 'mapValues',
+	    'matchesProperty', 'maxBy', 'meanBy', 'merge', 'minBy', 'multiply', 'omit', 'omitBy',
+	    'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt', 'partial', 'partialRight',
+	    'partition', 'pick', 'pickBy', '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',
+	    'getOr', 'inRange', 'intersectionBy', 'intersectionWith', 'invokeArgs',
+	    'invokeArgsMap', 'isEqualWith', 'isMatchWith', 'flatMapDepth', 'mergeWith',
+	    'orderBy', 'padChars', 'padCharsEnd', 'padCharsStart', 'pullAllBy',
+	    'pullAllWith', 'reduce', 'reduceRight', 'replace', 'set', 'slice',
+	    'sortedIndexBy', 'sortedLastIndexBy', 'transform', 'unionBy', 'unionWith',
+	    'update', 'xorBy', 'xorWith', 'zipWith'
+	  ],
+	  '4': [
+	    'fill', 'setWith', 'updateWith'
+	  ]
 	};
 
 	/** Used to map ary to rearg configs. */
 	exports.aryRearg = {
-	  2: [1, 0],
-	  3: [2, 1, 0],
-	  4: [3, 2, 0, 1]
+	  '2': [1, 0],
+	  '3': [2, 0, 1],
+	  '4': [3, 2, 0, 1]
 	};
 
-	/** Used to iterate `mapping.aryMethod` keys. */
-	exports.caps = [1, 2, 3, 4];
-
 	/** Used to map method names to their iteratee ary. */
 	exports.iterateeAry = {
-	  'assignWith': 2,
-	  'assignInWith': 2,
-	  'cloneDeepWith': 1,
-	  'cloneWith': 1,
 	  'dropRightWhile': 1,
 	  'dropWhile': 1,
 	  'every': 1,
@@ -420,14 +668,14 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'findLastIndex': 1,
 	  'findLastKey': 1,
 	  'flatMap': 1,
+	  'flatMapDeep': 1,
+	  'flatMapDepth': 1,
 	  'forEach': 1,
 	  'forEachRight': 1,
 	  'forIn': 1,
 	  'forInRight': 1,
 	  'forOwn': 1,
 	  'forOwnRight': 1,
-	  'isEqualWith': 2,
-	  'isMatchWith': 2,
 	  'map': 1,
 	  'mapKeys': 1,
 	  'mapValues': 1,
@@ -445,8 +693,6 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	/** Used to map method names to iteratee rearg configs. */
 	exports.iterateeRearg = {
-	  'findKey': [1],
-	  'findLastKey': [1],
 	  'mapKeys': [1]
 	};
 
@@ -454,20 +700,29 @@ return /******/ (function(modules) { // webpackBootstrap
 	exports.methodRearg = {
 	  'assignInWith': [1, 2, 0],
 	  'assignWith': [1, 2, 0],
-	  'clamp': [2, 0, 1],
+	  'getOr': [2, 1, 0],
+	  'isEqualWith': [1, 2, 0],
+	  'isMatchWith': [2, 1, 0],
 	  'mergeWith': [1, 2, 0],
-	  'reduce': [2, 0, 1],
-	  'reduceRight': [2, 0, 1],
-	  'set': [2, 0, 1],
+	  'padChars': [2, 1, 0],
+	  'padCharsEnd': [2, 1, 0],
+	  'padCharsStart': [2, 1, 0],
+	  'pullAllBy': [2, 1, 0],
+	  'pullAllWith': [2, 1, 0],
 	  'setWith': [3, 1, 2, 0],
-	  'slice': [2, 0, 1],
-	  'transform': [2, 0, 1]
+	  'sortedIndexBy': [2, 1, 0],
+	  'sortedLastIndexBy': [2, 1, 0],
+	  'updateWith': [3, 1, 2, 0],
+	  'zipWith': [1, 2, 0]
 	};
 
 	/** Used to map method names to spread configs. */
 	exports.methodSpread = {
+	  'invokeArgs': 2,
+	  'invokeArgsMap': 2,
 	  'partial': 1,
-	  'partialRight': 1
+	  'partialRight': 1,
+	  'without': 1
 	};
 
 	/** Used to identify methods which mutate arrays or objects. */
@@ -477,6 +732,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	    'pull': true,
 	    'pullAll': true,
 	    'pullAllBy': true,
+	    'pullAllWith': true,
 	    'pullAt': true,
 	    'remove': true,
 	    'reverse': true
@@ -494,7 +750,9 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'set': {
 	    'set': true,
 	    'setWith': true,
-	    'unset': true
+	    'unset': true,
+	    'update': true,
+	    'updateWith': true
 	  }
 	};
 
@@ -526,30 +784,76 @@ return /******/ (function(modules) { // webpackBootstrap
 	}());
 
 	/** Used to map method names to other names. */
-	exports.rename = {
+	exports.remap = {
 	  'curryN': 'curry',
 	  'curryRightN': 'curryRight',
-	  'getOr': 'get'
+	  'getOr': 'get',
+	  'invokeArgs': 'invoke',
+	  'invokeArgsMap': 'invokeMap',
+	  'padChars': 'pad',
+	  'padCharsEnd': 'padEnd',
+	  'padCharsStart': 'padStart',
+	  'restFrom': 'rest',
+	  'spreadFrom': 'spread',
+	  'trimChars': 'trim',
+	  'trimCharsEnd': 'trimEnd',
+	  'trimCharsStart': 'trimStart'
 	};
 
-	/** Used to track methods that skip `_.rearg`. */
+	/** Used to track methods that skip fixing their arity. */
+	exports.skipFixed = {
+	  'castArray': true,
+	  'flow': true,
+	  'flowRight': true,
+	  'iteratee': true,
+	  'mixin': 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,
 	  'random': true,
 	  'range': true,
 	  'rangeRight': true,
+	  'subtract': true,
+	  'without': true,
 	  'zip': true,
 	  'zipObject': true
 	};
 
 
+/***/ },
+/* 3 */
+/***/ function(module, exports) {
+
+	/**
+	 * The default argument placeholder value for methods.
+	 *
+	 * @type {Object}
+	 */
+	module.exports = {};
+
+
 /***/ }
 /******/ ])
 });

dist/lodash.fp.min.js

@@ -1,12 +1,16 @@
-!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.fp=t():e.fp=t()}(this,function(){return function(e){function t(n){if(r[n])return r[n].exports;var i=r[n]={exports:{},id:n,loaded:!1};return e[n].call(i.exports,i,i.exports,t),i.loaded=!0,i.exports}var r={};return t.m=e,t.c=r,t.p="",t(0)}([function(e,t,r){function n(e){return i(e,e)}var i=r(1);e.exports=n},function(e,t,r){function n(e,t,r){
-if("function"!=typeof r&&(r=t,t=void 0),null==r)throw new TypeError;var s=void 0===t&&"string"==typeof r.VERSION,u=s?r:{ary:e.ary,cloneDeep:e.cloneDeep,curry:e.curry,forEach:e.forEach,isFunction:e.isFunction,iteratee:e.iteratee,keys:e.keys,rearg:e.rearg,rest:e.rest},c=u.ary,p=u.cloneDeep,l=u.curry,f=u.forEach,h=u.isFunction,d=u.keys,g=u.rearg,y=u.spread,m=function(e,t){return 2==t?function(t,r){return e.apply(void 0,arguments)}:function(t){return e.apply(void 0,arguments)}},v=function(e,t){return 2==t?function(t,r){
-return e(t,r)}:function(t){return e(t)}},R=function(e){for(var t=e?e.length:0,r=Array(t);t--;)r[t]=e[t];return r},W=function(e){return function(t){return e({},t)}},x=function(e,t){return b(e,t,!0)},I=function(e,t){return b(e,function(e){return v(e,t)})},O=function(e,t){return b(e,function(e){var r=t.length;return m(g(v(e,r),t),r)})},b=function(e,t,r){return function(){for(var n=arguments.length,i=Array(n);n--;)i[n]=arguments[n];i[0]=t(i[0]);var a=e.apply(void 0,i);return r?i[0]:a}},B={iteratee:function(e){
-return function(){var t=arguments[0],r=arguments[1];r=r>2?r-2:1,t=e(t);var n=t.length;return n&&r>=n?t:v(t,r)}},mixin:function(e){return function(t){var r=this;if(!h(r))return e(r,Object(t));var n=[],i=[];return f(d(t),function(e){var a=t[e];h(a)&&(i.push(e),n.push(r.prototype[e]))}),e(r,Object(t)),f(i,function(e,t){var i=n[t];h(i)?r.prototype[e]=i:delete r.prototype[e]}),r}},runInContext:function(t){return function(r){return n(e,t(r))}}},E=function(e,t){e=i.aliasToReal[e]||e;var r=B[e];if(r)return r(t);
-a.array[e]?t=x(t,R):a.object[e]?t=x(t,W(t)):a.set[e]&&(t=x(t,p));var n;return f(i.caps,function(r){return f(i.aryMethod[r],function(a){if(e==a){var o=!s&&i.iterateeAry[e],u=i.iterateeRearg[e],p=i.methodSpread[e];return n=void 0===p?c(t,r):y(t,p),r>1&&!i.skipRearg[e]&&(n=g(n,i.methodRearg[e]||i.aryRearg[r])),u?n=O(n,u):o&&(n=I(n,o)),r>1&&(n=l(n,r)),!1}}),!n}),n||(n=t),i.placeholder[e]&&(n.placeholder=o),n};if(!s)return E(t,r);u.__=o;var k=[];return f(i.caps,function(e){f(i.aryMethod[e],function(e){
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+Ut["[object Error]"]=Ut["[object Function]"]=Ut["[object WeakMap]"]=false;var Mt={"\xc0":"A","\xc1":"A","\xc2":"A","\xc3":"A","\xc4":"A","\xc5":"A","\xe0":"a","\xe1":"a","\xe2":"a","\xe3":"a","\xe4":"a","\xe5":"a","\xc7":"C","\xe7":"c","\xd0":"D","\xf0":"d","\xc8":"E","\xc9":"E","\xca":"E","\xcb":"E","\xe8":"e","\xe9":"e","\xea":"e","\xeb":"e","\xcc":"I","\xcd":"I","\xce":"I","\xcf":"I","\xec":"i","\xed":"i","\xee":"i","\xef":"i","\xd1":"N","\xf1":"n","\xd2":"O","\xd3":"O","\xd4":"O","\xd5":"O","\xd6":"O",
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+},Nt=parseFloat,Pt=parseInt,Zt=Dt[typeof exports]&&exports&&!exports.nodeType?exports:T,qt=Dt[typeof module]&&module&&!module.nodeType?module:T,Tt=qt&&qt.exports===Zt?Zt:T,Vt=S(Dt[typeof self]&&self),Kt=S(Dt[typeof window]&&window),Gt=S(Dt[typeof this]&&this),Jt=S(Zt&&qt&&typeof global=="object"&&global)||Kt!==(Gt&&Gt.window)&&Kt||Vt||Gt||Function("return this")(),Yt=q();(Kt||Vt||{})._=Yt,typeof define=="function"&&typeof define.amd=="object"&&define.amd? define(function(){return Yt}):Zt&&qt?(Tt&&((qt.exports=Yt)._=Yt),
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dist/mapping.fp.js

@@ -56,22 +56,36 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	/** Used to map aliases to their real names. */
 	exports.aliasToReal = {
-	  'all': 'some',
+
+	  // Lodash aliases.
+	  'each': 'forEach',
+	  'eachRight': 'forEachRight',
+	  'entries': 'toPairs',
+	  'entriesIn': 'toPairsIn',
+	  'extend': 'assignIn',
+	  'extendWith': 'assignInWith',
+	  'first': 'head',
+
+	  // Ramda aliases.
+	  '__': 'placeholder',
+	  'all': 'every',
 	  'allPass': 'overEvery',
+	  'always': 'constant',
+	  'any': 'some',
+	  'anyPass': 'overSome',
 	  'apply': 'spread',
 	  'assoc': 'set',
 	  'assocPath': 'set',
+	  'complement': 'negate',
 	  'compose': 'flowRight',
 	  'contains': 'includes',
 	  'dissoc': 'unset',
 	  'dissocPath': 'unset',
-	  'each': 'forEach',
-	  'eachRight': 'forEachRight',
 	  'equals': 'isEqual',
-	  'extend': 'assignIn',
-	  'extendWith': 'assignInWith',
-	  'first': 'head',
+	  'identical': 'eq',
 	  'init': 'initial',
+	  'invertObj': 'invert',
+	  'juxt': 'over',
 	  'mapObj': 'mapValues',
 	  'omitAll': 'omit',
 	  'nAry': 'ary',
@@ -83,7 +97,6 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'prop': 'get',
 	  'propOf': 'propertyOf',
 	  'propOr': 'getOr',
-	  'somePass': 'overSome',
 	  'unapply': 'rest',
 	  'unnest': 'flatten',
 	  'useWith': 'overArgs',
@@ -93,61 +106,58 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	/** Used to map ary to method names. */
 	exports.aryMethod = {
-	  1: [
-	      'attempt', 'ceil', 'create', 'curry', 'curryRight', 'floor', 'fromPairs',
-	      'invert', 'iteratee', 'memoize', 'method', 'methodOf', 'mixin', 'over',
-	      'overEvery', 'overSome', 'rest', 'reverse', 'round', 'runInContext',
-	      'spread', 'template', 'trim', 'trimEnd', 'trimStart', 'uniqueId', 'words'
-	    ],
-	  2: [
-	      'add', 'after', 'ary', 'assign', 'assignIn', 'at', 'before', 'bind', 'bindKey',
-	      'chunk', 'cloneDeepWith', 'cloneWith', 'concat', 'countBy', 'curryN',
-	      'curryRightN', 'debounce', 'defaults', 'defaultsDeep', 'delay', 'difference',
-	      'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith', 'eq', 'every',
-	      'filter', 'find', 'find', 'findIndex', 'findKey', 'findLast', 'findLastIndex',
-	      'findLastKey', 'flatMap', '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', 'merge', 'minBy', 'omit',
-	      'omitBy', 'orderBy', 'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt',
-	      'partial', 'partialRight', 'partition', 'pick', 'pickBy', 'pull', 'pullAll',
-	      'pullAt', 'random', 'range', 'rangeRight', 'rearg', 'reject', 'remove',
-	      'repeat', 'result', 'sampleSize', 'some', 'sortBy', 'sortedIndex',
-	      'sortedIndexOf', 'sortedLastIndex', 'sortedLastIndexOf', 'sortedUniqBy',
-	      'split', 'startsWith', 'subtract', 'sumBy', 'take', 'takeRight', 'takeRightWhile',
-	      'takeWhile', 'tap', 'throttle', 'thru', 'times', 'truncate', 'union', 'uniqBy',
-	      'uniqWith', 'unset', 'unzipWith', 'without', 'wrap', 'xor', 'zip', 'zipObject',
-	      'zipObjectDeep'
-	    ],
-	  3: [
-	      'assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith',
-	      'getOr', 'inRange', 'intersectionBy', 'intersectionWith', 'isEqualWith',
-	      'isMatchWith', 'mergeWith', 'pullAllBy', 'reduce', 'reduceRight', 'replace',
-	      'set', 'slice', 'sortedIndexBy', 'sortedLastIndexBy', 'transform', 'unionBy',
-	      'unionWith', 'xorBy', 'xorWith', 'zipWith'
-	    ],
-	  4: [
-	      'fill', 'setWith'
-	    ]
+	  '1': [
+	    'attempt', 'castArray', 'ceil', 'create', 'curry', 'curryRight', 'floor',
+	    'flow', 'flowRight', 'fromPairs', 'invert', 'iteratee', 'memoize', 'method',
+	    'methodOf', 'mixin', 'over', 'overEvery', 'overSome', 'rest', 'reverse',
+	    'round', 'runInContext', 'spread', 'template', 'trim', 'trimEnd', 'trimStart',
+	    'uniqueId', 'words'
+	  ],
+	  '2': [
+	    'add', 'after', 'ary', 'assign', 'assignIn', 'at', 'before', 'bind', 'bindAll',
+	    'bindKey', 'chunk', 'cloneDeepWith', 'cloneWith', 'concat', 'countBy', 'curryN',
+	    'curryRightN', 'debounce', 'defaults', 'defaultsDeep', 'delay', 'difference',
+	    'divide', 'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith',
+	    'eq', 'every', 'filter', 'find', 'find', 'findIndex', 'findKey', 'findLast',
+	    'findLastIndex', 'findLastKey', 'flatMap', 'flatMapDeep', 'flattenDepth',
+	    'forEach', 'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight',
+	    'get', 'groupBy', 'gt', 'gte', 'has', 'hasIn', 'includes', 'indexOf',
+	    'intersection', 'invertBy', 'invoke', 'invokeMap', 'isEqual', 'isMatch',
+	    'join', 'keyBy', 'lastIndexOf', 'lt', 'lte', 'map', 'mapKeys', 'mapValues',
+	    'matchesProperty', 'maxBy', 'meanBy', 'merge', 'minBy', 'multiply', 'omit', 'omitBy',
+	    'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt', 'partial', 'partialRight',
+	    'partition', 'pick', 'pickBy', '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',
+	    'getOr', 'inRange', 'intersectionBy', 'intersectionWith', 'invokeArgs',
+	    'invokeArgsMap', 'isEqualWith', 'isMatchWith', 'flatMapDepth', 'mergeWith',
+	    'orderBy', 'padChars', 'padCharsEnd', 'padCharsStart', 'pullAllBy',
+	    'pullAllWith', 'reduce', 'reduceRight', 'replace', 'set', 'slice',
+	    'sortedIndexBy', 'sortedLastIndexBy', 'transform', 'unionBy', 'unionWith',
+	    'update', 'xorBy', 'xorWith', 'zipWith'
+	  ],
+	  '4': [
+	    'fill', 'setWith', 'updateWith'
+	  ]
 	};
 
 	/** Used to map ary to rearg configs. */
 	exports.aryRearg = {
-	  2: [1, 0],
-	  3: [2, 1, 0],
-	  4: [3, 2, 0, 1]
+	  '2': [1, 0],
+	  '3': [2, 0, 1],
+	  '4': [3, 2, 0, 1]
 	};
 
-	/** Used to iterate `mapping.aryMethod` keys. */
-	exports.caps = [1, 2, 3, 4];
-
 	/** Used to map method names to their iteratee ary. */
 	exports.iterateeAry = {
-	  'assignWith': 2,
-	  'assignInWith': 2,
-	  'cloneDeepWith': 1,
-	  'cloneWith': 1,
 	  'dropRightWhile': 1,
 	  'dropWhile': 1,
 	  'every': 1,
@@ -159,14 +169,14 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'findLastIndex': 1,
 	  'findLastKey': 1,
 	  'flatMap': 1,
+	  'flatMapDeep': 1,
+	  'flatMapDepth': 1,
 	  'forEach': 1,
 	  'forEachRight': 1,
 	  'forIn': 1,
 	  'forInRight': 1,
 	  'forOwn': 1,
 	  'forOwnRight': 1,
-	  'isEqualWith': 2,
-	  'isMatchWith': 2,
 	  'map': 1,
 	  'mapKeys': 1,
 	  'mapValues': 1,
@@ -184,8 +194,6 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	/** Used to map method names to iteratee rearg configs. */
 	exports.iterateeRearg = {
-	  'findKey': [1],
-	  'findLastKey': [1],
 	  'mapKeys': [1]
 	};
 
@@ -193,20 +201,29 @@ return /******/ (function(modules) { // webpackBootstrap
 	exports.methodRearg = {
 	  'assignInWith': [1, 2, 0],
 	  'assignWith': [1, 2, 0],
-	  'clamp': [2, 0, 1],
+	  'getOr': [2, 1, 0],
+	  'isEqualWith': [1, 2, 0],
+	  'isMatchWith': [2, 1, 0],
 	  'mergeWith': [1, 2, 0],
-	  'reduce': [2, 0, 1],
-	  'reduceRight': [2, 0, 1],
-	  'set': [2, 0, 1],
+	  'padChars': [2, 1, 0],
+	  'padCharsEnd': [2, 1, 0],
+	  'padCharsStart': [2, 1, 0],
+	  'pullAllBy': [2, 1, 0],
+	  'pullAllWith': [2, 1, 0],
 	  'setWith': [3, 1, 2, 0],
-	  'slice': [2, 0, 1],
-	  'transform': [2, 0, 1]
+	  'sortedIndexBy': [2, 1, 0],
+	  'sortedLastIndexBy': [2, 1, 0],
+	  'updateWith': [3, 1, 2, 0],
+	  'zipWith': [1, 2, 0]
 	};
 
 	/** Used to map method names to spread configs. */
 	exports.methodSpread = {
+	  'invokeArgs': 2,
+	  'invokeArgsMap': 2,
 	  'partial': 1,
-	  'partialRight': 1
+	  'partialRight': 1,
+	  'without': 1
 	};
 
 	/** Used to identify methods which mutate arrays or objects. */
@@ -216,6 +233,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	    'pull': true,
 	    'pullAll': true,
 	    'pullAllBy': true,
+	    'pullAllWith': true,
 	    'pullAt': true,
 	    'remove': true,
 	    'reverse': true
@@ -233,7 +251,9 @@ return /******/ (function(modules) { // webpackBootstrap
 	  'set': {
 	    'set': true,
 	    'setWith': true,
-	    'unset': true
+	    'unset': true,
+	    'update': true,
+	    'updateWith': true
 	  }
 	};
 
@@ -265,25 +285,59 @@ return /******/ (function(modules) { // webpackBootstrap
 	}());
 
 	/** Used to map method names to other names. */
-	exports.rename = {
+	exports.remap = {
 	  'curryN': 'curry',
 	  'curryRightN': 'curryRight',
-	  'getOr': 'get'
+	  'getOr': 'get',
+	  'invokeArgs': 'invoke',
+	  'invokeArgsMap': 'invokeMap',
+	  'padChars': 'pad',
+	  'padCharsEnd': 'padEnd',
+	  'padCharsStart': 'padStart',
+	  'restFrom': 'rest',
+	  'spreadFrom': 'spread',
+	  'trimChars': 'trim',
+	  'trimCharsEnd': 'trimEnd',
+	  'trimCharsStart': 'trimStart'
 	};
 
-	/** Used to track methods that skip `_.rearg`. */
+	/** Used to track methods that skip fixing their arity. */
+	exports.skipFixed = {
+	  'castArray': true,
+	  'flow': true,
+	  'flowRight': true,
+	  'iteratee': true,
+	  'mixin': 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,
 	  'random': true,
 	  'range': true,
 	  'rangeRight': true,
+	  'subtract': true,
+	  'without': true,
 	  'zip': true,
 	  'zipObject': true
 	};

fp/_baseConvert.js

@@ -1,116 +1,186 @@
 var mapping = require('./_mapping'),
     mutateMap = mapping.mutate,
-    placeholder = {};
+    fallbackHolder = require('./placeholder');
+
+/**
+ * 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);
+  };
+}
+
+/**
+ * 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 immutWrap(func, cloner) {
+  return function() {
+    var length = arguments.length;
+    if (!length) {
+      return result;
+    }
+    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 wrap.
- * @param {Function} func The function to wrap.
+ * @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) {
-  if (typeof func != 'function') {
+function baseConvert(util, name, func, options) {
+  var setPlaceholder,
+      isLib = typeof name == 'function',
+      isObj = name === Object(name);
+
+  if (isObj) {
+    options = func;
     func = name;
     name = undefined;
   }
   if (func == null) {
     throw new TypeError;
   }
-  var isLib = name === undefined && typeof func.VERSION == 'string';
+  options || (options = {});
 
-  var _ = isLib ? func : {
+  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 forceCurry = ('curry' in options) && options.curry,
+      forceFixed = ('fixed' in options) && options.fixed,
+      forceRearg = ('rearg' in options) && options.rearg,
+      placeholder = isLib ? func : fallbackHolder,
+      pristine = isLib ? func.runInContext() : undefined;
+
+  var helpers = isLib ? func : {
     'ary': util.ary,
-    'cloneDeep': util.cloneDeep,
+    'assign': util.assign,
+    'clone': util.clone,
     'curry': util.curry,
     'forEach': util.forEach,
+    'isArray': util.isArray,
     'isFunction': util.isFunction,
     'iteratee': util.iteratee,
     'keys': util.keys,
     'rearg': util.rearg,
-    'rest': util.rest
+    'spread': util.spread,
+    'toPath': util.toPath
   };
 
-  var ary = _.ary,
-      cloneDeep = _.cloneDeep,
-      curry = _.curry,
-      each = _.forEach,
-      isFunction = _.isFunction,
-      keys = _.keys,
-      rearg = _.rearg,
-      spread = _.spread;
+  var ary = helpers.ary,
+      assign = helpers.assign,
+      clone = helpers.clone,
+      curry = helpers.curry,
+      each = helpers.forEach,
+      isArray = helpers.isArray,
+      isFunction = helpers.isFunction,
+      keys = helpers.keys,
+      rearg = helpers.rearg,
+      spread = helpers.spread,
+      toPath = helpers.toPath;
 
-  var baseArity = function(func, n) {
-    return n == 2
-      ? function(a, b) { return func.apply(undefined, arguments); }
-      : function(a) { return func.apply(undefined, arguments); };
-  };
-
-  var baseAry = function(func, n) {
-    return n == 2
-      ? function(a, b) { return func(a, b); }
-      : function(a) { return func(a); };
-  };
-
-  var cloneArray = function(array) {
-    var length = array ? array.length : 0,
-        result = Array(length);
-
-    while (length--) {
-      result[length] = array[length];
-    }
-    return result;
-  };
-
-  var createCloner = function(func) {
-    return function(object) {
-      return func({}, object);
-    };
-  };
-
-  var immutWrap = function(func, cloner) {
-    return overArg(func, cloner, true);
-  };
-
-  var iterateeAry = function(func, n) {
-    return overArg(func, function(func) {
-      return baseAry(func, n);
-    });
-  };
-
-  var iterateeRearg = function(func, indexes) {
-    return overArg(func, function(func) {
-      var n = indexes.length;
-      return baseArity(rearg(baseAry(func, n), indexes), n);
-    });
-  };
-
-  var overArg = function(func, iteratee, retArg) {
-    return function() {
-      var length = arguments.length,
-          args = Array(length);
-
-      while (length--) {
-        args[length] = arguments[length];
-      }
-      args[0] = iteratee(args[0]);
-      var result = func.apply(undefined, args);
-      return retArg ? args[0] : result;
-    };
-  };
+  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];
+            arity = arguments[1],
+            result = iteratee(func, arity),
+            length = result.length;
 
-        arity = arity > 2 ? (arity - 2) : 1;
-        func = iteratee(func);
-        var length = func.length;
-        return (length && length <= arity) ? func : baseAry(func, arity);
+        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) {
@@ -145,48 +215,184 @@ function baseConvert(util, name, func) {
     },
     'runInContext': function(runInContext) {
       return function(context) {
-        return baseConvert(util, runInContext(context));
+        return baseConvert(util, runInContext(context), options);
       };
     }
   };
 
-  var wrap = function(name, 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,
+        result = clone(Object(object)),
+        nested = result;
+
+    while (nested != null && ++index < length) {
+      var key = path[index],
+          value = nested[key];
+
+      if (value != null) {
+        nested[key] = clone(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 oldOptions = options;
+    return function(options) {
+      var newUtil = isLib ? pristine : helpers,
+          newFunc = isLib ? pristine[name] : func,
+          newOptions = assign(assign({}, oldOptions), options);
+
+      return baseConvert(newUtil, name, 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 passed
+   * thru `transform`.
+   *
+   * @private
+   * @param {Function} func The function to wrap.
+   * @param {...Function} transform The functions to transform the first argument.
+   * @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) {
     name = mapping.aliasToReal[name] || name;
-    var wrapper = wrappers[name];
+
+    var result,
+        wrapped = func,
+        wrapper = wrappers[name];
+
     if (wrapper) {
-      return wrapper(func);
+      wrapped = wrapper(func);
     }
-    if (mutateMap.array[name]) {
-      func = immutWrap(func, cloneArray);
+    else if (config.immutable) {
+      if (mutateMap.array[name]) {
+        wrapped = immutWrap(func, cloneArray);
+      }
+      else if (mutateMap.object[name]) {
+        wrapped = immutWrap(func, createCloner(func));
+      }
+      else if (mutateMap.set[name]) {
+        wrapped = immutWrap(func, cloneByPath);
+      }
     }
-    else if (mutateMap.object[name]) {
-      func = immutWrap(func, createCloner(func));
-    }
-    else if (mutateMap.set[name]) {
-      func = immutWrap(func, cloneDeep);
-    }
-    var result;
-    each(mapping.caps, function(cap) {
-      each(mapping.aryMethod[cap], function(otherName) {
+    each(aryMethodKeys, function(aryKey) {
+      each(mapping.aryMethod[aryKey], function(otherName) {
         if (name == otherName) {
           var aryN = !isLib && mapping.iterateeAry[name],
               reargIndexes = mapping.iterateeRearg[name],
               spreadStart = mapping.methodSpread[name];
 
-          result = spreadStart === undefined
-            ? ary(func, cap)
-            : spread(func, spreadStart);
-
-          if (cap > 1 && !mapping.skipRearg[name]) {
-            result = rearg(result, mapping.methodRearg[name] || mapping.aryRearg[cap]);
+          result = wrapped;
+          if (config.fixed && (forceFixed || !mapping.skipFixed[name])) {
+            result = spreadStart === undefined
+              ? ary(result, aryKey)
+              : spread(result, spreadStart);
           }
-          if (reargIndexes) {
-            result = iterateeRearg(result, reargIndexes);
-          } else if (aryN) {
-            result = iterateeAry(result, aryN);
+          if (config.rearg && aryKey > 1 && (forceRearg || !mapping.skipRearg[name])) {
+            result = rearg(result, mapping.methodRearg[name] || mapping.aryRearg[aryKey]);
           }
-          if (cap > 1) {
-            result = curry(result, cap);
+          if (config.cap) {
+            if (reargIndexes) {
+              result = iterateeRearg(result, reargIndexes);
+            } else if (aryN) {
+              result = iterateeAry(result, aryN);
+            }
+          }
+          if (forceCurry || (config.curry && aryKey > 1)) {
+            forceCurry  && console.log(forceCurry, name);
+            result = curry(result, aryKey);
           }
           return false;
         }
@@ -194,36 +400,63 @@ function baseConvert(util, name, func) {
       return !result;
     });
 
-    result || (result = func);
+    result || (result = wrapped);
+    if (result == func) {
+      result = forceCurry ? curry(result, 1) : function() {
+        return func.apply(this, arguments);
+      };
+    }
+    result.convert = createConverter(name, func);
     if (mapping.placeholder[name]) {
-      result.placeholder = placeholder;
+      setPlaceholder = true;
+      result.placeholder = func.placeholder = placeholder;
     }
     return result;
-  };
+  }
 
-  if (!isLib) {
+  /*--------------------------------------------------------------------------*/
+
+  if (!isObj) {
     return wrap(name, func);
   }
-  // Add placeholder alias.
-  _.__ = placeholder;
+  var _ = func;
 
-  // Iterate over methods for the current ary cap.
+  // Convert methods by ary cap.
   var pairs = [];
-  each(mapping.caps, function(cap) {
-    each(mapping.aryMethod[cap], function(key) {
-      var func = _[mapping.rename[key] || key];
+  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];
   });
 
-  // Wrap the lodash method and its aliases.
+  _.convert = convertLib;
+  if (setPlaceholder) {
+    _.placeholder = placeholder;
+  }
+  // Assign aliases.
   each(keys(_), function(key) {
     each(mapping.realToAlias[key] || [], function(alias) {
       _[alias] = _[key];

fp/_convertBrowser.js

@@ -1,13 +1,18 @@
 var baseConvert = require('./_baseConvert');
 
 /**
- * Converts `lodash` to an immutable auto-curried iteratee-first data-last version.
+ * Converts `lodash` to an immutable auto-curried iteratee-first data-last
+ * version with conversion `options` applied.
  *
- * @param {Function} lodash The lodash function.
+ * @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) {
-  return baseConvert(lodash, lodash);
+function browserConvert(lodash, options) {
+  return baseConvert(lodash, lodash, options);
 }
 
+if (typeof _ == 'function') {
+  _ = browserConvert(_.runInContext());
+}
 module.exports = browserConvert;

fp/_mapping.js

@@ -1,21 +1,35 @@
 /** Used to map aliases to their real names. */
 exports.aliasToReal = {
-  'all': 'some',
+
+  // Lodash aliases.
+  'each': 'forEach',
+  'eachRight': 'forEachRight',
+  'entries': 'toPairs',
+  'entriesIn': 'toPairsIn',
+  'extend': 'assignIn',
+  'extendWith': 'assignInWith',
+  'first': 'head',
+
+  // Ramda aliases.
+  '__': 'placeholder',
+  'all': 'every',
   'allPass': 'overEvery',
+  'always': 'constant',
+  'any': 'some',
+  'anyPass': 'overSome',
   'apply': 'spread',
   'assoc': 'set',
   'assocPath': 'set',
+  'complement': 'negate',
   'compose': 'flowRight',
   'contains': 'includes',
   'dissoc': 'unset',
   'dissocPath': 'unset',
-  'each': 'forEach',
-  'eachRight': 'forEachRight',
   'equals': 'isEqual',
-  'extend': 'assignIn',
-  'extendWith': 'assignInWith',
-  'first': 'head',
+  'identical': 'eq',
   'init': 'initial',
+  'invertObj': 'invert',
+  'juxt': 'over',
   'mapObj': 'mapValues',
   'omitAll': 'omit',
   'nAry': 'ary',
@@ -27,7 +41,6 @@ exports.aliasToReal = {
   'prop': 'get',
   'propOf': 'propertyOf',
   'propOr': 'getOr',
-  'somePass': 'overSome',
   'unapply': 'rest',
   'unnest': 'flatten',
   'useWith': 'overArgs',
@@ -37,61 +50,58 @@ exports.aliasToReal = {
 
 /** Used to map ary to method names. */
 exports.aryMethod = {
-  1: [
-      'attempt', 'ceil', 'create', 'curry', 'curryRight', 'floor', 'fromPairs',
-      'invert', 'iteratee', 'memoize', 'method', 'methodOf', 'mixin', 'over',
-      'overEvery', 'overSome', 'rest', 'reverse', 'round', 'runInContext',
-      'spread', 'template', 'trim', 'trimEnd', 'trimStart', 'uniqueId', 'words'
-    ],
-  2: [
-      'add', 'after', 'ary', 'assign', 'assignIn', 'at', 'before', 'bind', 'bindKey',
-      'chunk', 'cloneDeepWith', 'cloneWith', 'concat', 'countBy', 'curryN',
-      'curryRightN', 'debounce', 'defaults', 'defaultsDeep', 'delay', 'difference',
-      'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith', 'eq', 'every',
-      'filter', 'find', 'find', 'findIndex', 'findKey', 'findLast', 'findLastIndex',
-      'findLastKey', 'flatMap', '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', 'merge', 'minBy', 'omit',
-      'omitBy', 'orderBy', 'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt',
-      'partial', 'partialRight', 'partition', 'pick', 'pickBy', 'pull', 'pullAll',
-      'pullAt', 'random', 'range', 'rangeRight', 'rearg', 'reject', 'remove',
-      'repeat', 'result', 'sampleSize', 'some', 'sortBy', 'sortedIndex',
-      'sortedIndexOf', 'sortedLastIndex', 'sortedLastIndexOf', 'sortedUniqBy',
-      'split', 'startsWith', 'subtract', 'sumBy', 'take', 'takeRight', 'takeRightWhile',
-      'takeWhile', 'tap', 'throttle', 'thru', 'times', 'truncate', 'union', 'uniqBy',
-      'uniqWith', 'unset', 'unzipWith', 'without', 'wrap', 'xor', 'zip', 'zipObject',
-      'zipObjectDeep'
-    ],
-  3: [
-      'assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith',
-      'getOr', 'inRange', 'intersectionBy', 'intersectionWith', 'isEqualWith',
-      'isMatchWith', 'mergeWith', 'pullAllBy', 'reduce', 'reduceRight', 'replace',
-      'set', 'slice', 'sortedIndexBy', 'sortedLastIndexBy', 'transform', 'unionBy',
-      'unionWith', 'xorBy', 'xorWith', 'zipWith'
-    ],
-  4: [
-      'fill', 'setWith'
-    ]
+  '1': [
+    'attempt', 'castArray', 'ceil', 'create', 'curry', 'curryRight', 'floor',
+    'flow', 'flowRight', 'fromPairs', 'invert', 'iteratee', 'memoize', 'method',
+    'methodOf', 'mixin', 'over', 'overEvery', 'overSome', 'rest', 'reverse',
+    'round', 'runInContext', 'spread', 'template', 'trim', 'trimEnd', 'trimStart',
+    'uniqueId', 'words'
+  ],
+  '2': [
+    'add', 'after', 'ary', 'assign', 'assignIn', 'at', 'before', 'bind', 'bindAll',
+    'bindKey', 'chunk', 'cloneDeepWith', 'cloneWith', 'concat', 'countBy', 'curryN',
+    'curryRightN', 'debounce', 'defaults', 'defaultsDeep', 'delay', 'difference',
+    'divide', 'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith',
+    'eq', 'every', 'filter', 'find', 'find', 'findIndex', 'findKey', 'findLast',
+    'findLastIndex', 'findLastKey', 'flatMap', 'flatMapDeep', 'flattenDepth',
+    'forEach', 'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight',
+    'get', 'groupBy', 'gt', 'gte', 'has', 'hasIn', 'includes', 'indexOf',
+    'intersection', 'invertBy', 'invoke', 'invokeMap', 'isEqual', 'isMatch',
+    'join', 'keyBy', 'lastIndexOf', 'lt', 'lte', 'map', 'mapKeys', 'mapValues',
+    'matchesProperty', 'maxBy', 'meanBy', 'merge', 'minBy', 'multiply', 'omit', 'omitBy',
+    'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt', 'partial', 'partialRight',
+    'partition', 'pick', 'pickBy', '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',
+    'getOr', 'inRange', 'intersectionBy', 'intersectionWith', 'invokeArgs',
+    'invokeArgsMap', 'isEqualWith', 'isMatchWith', 'flatMapDepth', 'mergeWith',
+    'orderBy', 'padChars', 'padCharsEnd', 'padCharsStart', 'pullAllBy',
+    'pullAllWith', 'reduce', 'reduceRight', 'replace', 'set', 'slice',
+    'sortedIndexBy', 'sortedLastIndexBy', 'transform', 'unionBy', 'unionWith',
+    'update', 'xorBy', 'xorWith', 'zipWith'
+  ],
+  '4': [
+    'fill', 'setWith', 'updateWith'
+  ]
 };
 
 /** Used to map ary to rearg configs. */
 exports.aryRearg = {
-  2: [1, 0],
-  3: [2, 1, 0],
-  4: [3, 2, 0, 1]
+  '2': [1, 0],
+  '3': [2, 0, 1],
+  '4': [3, 2, 0, 1]
 };
 
-/** Used to iterate `mapping.aryMethod` keys. */
-exports.caps = [1, 2, 3, 4];
-
 /** Used to map method names to their iteratee ary. */
 exports.iterateeAry = {
-  'assignWith': 2,
-  'assignInWith': 2,
-  'cloneDeepWith': 1,
-  'cloneWith': 1,
   'dropRightWhile': 1,
   'dropWhile': 1,
   'every': 1,
@@ -103,14 +113,14 @@ exports.iterateeAry = {
   'findLastIndex': 1,
   'findLastKey': 1,
   'flatMap': 1,
+  'flatMapDeep': 1,
+  'flatMapDepth': 1,
   'forEach': 1,
   'forEachRight': 1,
   'forIn': 1,
   'forInRight': 1,
   'forOwn': 1,
   'forOwnRight': 1,
-  'isEqualWith': 2,
-  'isMatchWith': 2,
   'map': 1,
   'mapKeys': 1,
   'mapValues': 1,
@@ -128,8 +138,6 @@ exports.iterateeAry = {
 
 /** Used to map method names to iteratee rearg configs. */
 exports.iterateeRearg = {
-  'findKey': [1],
-  'findLastKey': [1],
   'mapKeys': [1]
 };
 
@@ -137,20 +145,29 @@ exports.iterateeRearg = {
 exports.methodRearg = {
   'assignInWith': [1, 2, 0],
   'assignWith': [1, 2, 0],
-  'clamp': [2, 0, 1],
+  'getOr': [2, 1, 0],
+  'isEqualWith': [1, 2, 0],
+  'isMatchWith': [2, 1, 0],
   'mergeWith': [1, 2, 0],
-  'reduce': [2, 0, 1],
-  'reduceRight': [2, 0, 1],
-  'set': [2, 0, 1],
+  'padChars': [2, 1, 0],
+  'padCharsEnd': [2, 1, 0],
+  'padCharsStart': [2, 1, 0],
+  'pullAllBy': [2, 1, 0],
+  'pullAllWith': [2, 1, 0],
   'setWith': [3, 1, 2, 0],
-  'slice': [2, 0, 1],
-  'transform': [2, 0, 1]
+  'sortedIndexBy': [2, 1, 0],
+  'sortedLastIndexBy': [2, 1, 0],
+  'updateWith': [3, 1, 2, 0],
+  'zipWith': [1, 2, 0]
 };
 
 /** Used to map method names to spread configs. */
 exports.methodSpread = {
+  'invokeArgs': 2,
+  'invokeArgsMap': 2,
   'partial': 1,
-  'partialRight': 1
+  'partialRight': 1,
+  'without': 1
 };
 
 /** Used to identify methods which mutate arrays or objects. */
@@ -160,6 +177,7 @@ exports.mutate = {
     'pull': true,
     'pullAll': true,
     'pullAllBy': true,
+    'pullAllWith': true,
     'pullAt': true,
     'remove': true,
     'reverse': true
@@ -177,7 +195,9 @@ exports.mutate = {
   'set': {
     'set': true,
     'setWith': true,
-    'unset': true
+    'unset': true,
+    'update': true,
+    'updateWith': true
   }
 };
 
@@ -209,25 +229,59 @@ exports.realToAlias = (function() {
 }());
 
 /** Used to map method names to other names. */
-exports.rename = {
+exports.remap = {
   'curryN': 'curry',
   'curryRightN': 'curryRight',
-  'getOr': 'get'
+  'getOr': 'get',
+  'invokeArgs': 'invoke',
+  'invokeArgsMap': 'invokeMap',
+  'padChars': 'pad',
+  'padCharsEnd': 'padEnd',
+  'padCharsStart': 'padStart',
+  'restFrom': 'rest',
+  'spreadFrom': 'spread',
+  'trimChars': 'trim',
+  'trimCharsEnd': 'trimEnd',
+  'trimCharsStart': 'trimStart'
 };
 
-/** Used to track methods that skip `_.rearg`. */
+/** Used to track methods that skip fixing their arity. */
+exports.skipFixed = {
+  'castArray': true,
+  'flow': true,
+  'flowRight': true,
+  'iteratee': true,
+  'mixin': 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,
   'random': true,
   'range': true,
   'rangeRight': true,
+  'subtract': true,
+  'without': true,
   'zip': true,
   'zipObject': 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 +1,36 @@
+'use strict';
+
+var _ = require('lodash'),
+    fs = require('fs-extra'),
+    glob = require('glob'),
+    path = require('path');
+
+var minify = require('../common/minify.js');
+
+/*----------------------------------------------------------------------------*/
+
+function copy(srcPath, destPath) {
+  return _.partial(fs.copy, srcPath, destPath);
+}
+
+function globTemplate(pattern) {
+  return _.transform(glob.sync(pattern), function(result, filePath) {
+    var key = path.basename(filePath, path.extname(filePath));
+    result[key] = _.template(fs.readFileSync(filePath, 'utf8'));
+  }, {});
+}
+
+function min(srcPath, destPath) {
+  return _.partial(minify, srcPath, destPath);
+}
+
+function write(filePath, data) {
+  return _.partial(fs.writeFile, filePath, data);
+}
+
+module.exports = {
+  'copy': copy,
+  'globTemplate': globTemplate,
+  'min': min,
+  'write': write
+};

lib/common/mapping.js

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

lib/common/minify.js

@@ -4,23 +4,23 @@ var _ = require('lodash'),
     fs = require('fs-extra'),
     uglify = require('uglify-js');
 
-var uglifyOptions = require('./uglify.options.js');
+var uglifyOptions = require('./uglify.options');
 
 /*----------------------------------------------------------------------------*/
 
-function minify(inpath, outpath, callback, options) {
-  if (_.isFunction(outpath)) {
+function minify(srcPath, destPath, callback, options) {
+  if (_.isFunction(destPath)) {
     if (_.isObject(callback)) {
       options = callback;
     }
-    callback = outpath;
-    outpath = undefined;
+    callback = destPath;
+    destPath = undefined;
   }
-  if (!outpath) {
-    outpath = inpath.replace(/(?=\.js$)/, '.min');
+  if (!destPath) {
+    destPath = srcPath.replace(/(?=\.js$)/, '.min');
   }
-  var output = uglify.minify(inpath, _.defaults(options || {}, uglifyOptions));
-  fs.writeFile(outpath, output.code, 'utf-8', callback);
+  var output = uglify.minify(srcPath, _.defaults(options || {}, uglifyOptions));
+  fs.writeFile(destPath, output.code, 'utf-8', callback);
 }
 
 module.exports = minify;

lib/common/uglify.options.js

@@ -1,3 +1,5 @@
+'use strict';
+
 module.exports = {
   'compress': {
     'pure_getters': true,

lib/common/util.js

@@ -0,0 +1,27 @@
+'use strict';
+
+var _ = require('lodash');
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * Creates a hash object. If a `properties` object is provided, its own
+ * enumerable properties are assigned to the created object.
+ *
+ * @memberOf util
+ * @param {Object} [properties] The properties to assign to the object.
+ * @returns {Object} Returns the new hash object.
+ */
+function Hash(properties) {
+  return _.transform(properties, function(result, value, key) {
+    result[key] = (_.isPlainObject(value) && !(value instanceof Hash))
+      ? new Hash(value)
+      : value;
+  }, this);
+}
+
+Hash.prototype = Object.create(null);
+
+module.exports = {
+  'Hash': Hash
+};

lib/fp/build-dist.js

@@ -5,7 +5,7 @@ var _ = require('lodash'),
     path = require('path'),
     webpack = require('webpack');
 
-var minify = require('../common/minify.js');
+var file = require('../common/file');
 
 var basePath = path.join(__dirname, '..', '..'),
     distPath = path.join(basePath, 'dist'),
@@ -48,7 +48,7 @@ function build() {
   async.series([
     _.partial(webpack, mappingConfig),
     _.partial(webpack, fpConfig),
-    _.partial(minify, path.join(distPath, filename))
+    file.min(path.join(distPath, filename))
   ], onComplete);
 }
 

lib/fp/build-doc.js

@@ -0,0 +1,65 @@
+'use strict';
+
+var _ = require('lodash'),
+    fs = require('fs-extra'),
+    path = require('path');
+
+var file = require('../common/file'),
+    mapping = require('../common/mapping');
+
+var templatePath = path.join(__dirname, 'template/doc'),
+    template = file.globTemplate(path.join(templatePath, '*.jst'));
+
+var argNames = ['a', 'b', 'c', 'd'];
+
+var templateData = {
+  'mapping': mapping,
+  'toArgOrder': toArgOrder,
+  'toFuncList': toFuncList
+};
+
+function toArgOrder(array) {
+  var reordered = [];
+  _.each(array, function(newIndex, index) {
+    reordered[newIndex] = argNames[index];
+  });
+  return '`(' + reordered.join(', ') + ')`';
+}
+
+function toFuncList(array) {
+  var chunks = _.chunk(array.slice().sort(), 5),
+      lastChunk = _.last(chunks),
+      last = lastChunk ? lastChunk.pop() : undefined;
+
+  chunks = _.reject(chunks, _.isEmpty);
+  lastChunk = _.last(chunks);
+
+  var result = '`' + _.map(chunks, function(chunk) {
+    return chunk.join('`, `') + '`';
+  }).join(',\n`');
+
+  if (last == null) {
+    return result;
+  }
+  if (_.size(chunks) > 1 || _.size(lastChunk) > 1) {
+    result += ',';
+  }
+  result += ' &';
+  result += _.size(lastChunk) < 5 ? ' ' : '\n';
+  return result + '`' + last + '`';
+}
+
+/*----------------------------------------------------------------------------*/
+
+function onComplete(error) {
+  if (error) {
+    throw error;
+  }
+}
+
+function build(target) {
+  target = path.resolve(target);
+  fs.writeFile(target, template.wiki(templateData), onComplete);
+}
+
+build(_.last(process.argv));

lib/fp/build-modules.js

@@ -2,17 +2,14 @@
 
 var _ = require('lodash'),
     async = require('async'),
-    fs = require('fs-extra'),
     glob = require('glob'),
     path = require('path');
 
-var mapping = require('../../fp/_mapping');
+var file = require('../common/file'),
+    mapping = require('../common/mapping');
 
-var templatePath = path.join(__dirname, 'template');
-
-var template = _.transform(glob.sync(path.join(templatePath, '*.jst')), function(result, filePath) {
-  result[path.basename(filePath, '.jst')] = _.template(fs.readFileSync(filePath));
-}, {});
+var templatePath = path.join(__dirname, 'template/modules'),
+    template = file.globTemplate(path.join(templatePath, '*.jst'));
 
 var aryMethods = _.union(
   mapping.aryMethod[1],
@@ -35,6 +32,16 @@ var categories = [
   'util'
 ];
 
+var ignored = [
+  '_*.js',
+  'core.js',
+  'core.min.js',
+  'fp.js',
+  'index.js',
+  'lodash.js',
+  'lodash.min.js'
+];
+
 function isAlias(funcName) {
   return _.has(mapping.aliasToReal, funcName);
 }
@@ -50,7 +57,7 @@ function isThru(funcName) {
 function getTemplate(moduleName) {
   var data = {
     'name': _.result(mapping.aliasToReal, moduleName, moduleName),
-    'rename': mapping.rename
+    'mapping': mapping
   };
 
   if (isAlias(moduleName)) {
@@ -74,40 +81,38 @@ function onComplete(error) {
 }
 
 function build(target) {
+  target = path.resolve(target);
+
   var fpPath = path.join(target, 'fp');
 
   // Glob existing lodash module paths.
   var modulePaths = glob.sync(path.join(target, '*.js'), {
     'nodir': true,
-    'ignore': [
-      '_*.js',
-      'core.js',
-      'fp.js',
-      'index.js',
-      'lodash.js'
-    ].map(function(filename) {
+    'ignore': ignored.map(function(filename) {
       return path.join(target, filename);
     })
   });
 
   // Add FP alias and remapped module paths.
-  _.each([mapping.aliasToReal, mapping.rename], function(data) {
+  _.each([mapping.aliasToReal, mapping.remap], function(data) {
     _.forOwn(data, function(realName, alias) {
-      modulePaths.push(path.join(target, alias + '.js'));
+      var modulePath = path.join(target, alias + '.js');
+      if (!_.includes(modulePaths, modulePath)) {
+        modulePaths.push(modulePath);
+      }
     });
   });
 
-  modulePaths = _.uniq(modulePaths);
-
   var actions = modulePaths.map(function(modulePath) {
     var moduleName = path.basename(modulePath, '.js');
-    return _.partial(fs.writeFile, path.join(fpPath, moduleName + '.js'), getTemplate(moduleName));
+    return file.write(path.join(fpPath, moduleName + '.js'), getTemplate(moduleName));
   });
 
-  actions.unshift(_.partial(fs.copy, path.join(__dirname, '../../fp'), fpPath));
-  actions.push(_.partial(fs.writeFile, path.join(target, 'fp.js'), template.fp()));
-  actions.push(_.partial(fs.writeFile, path.join(fpPath, 'convert.js'), template.convert()));
-  actions.push(_.partial(fs.writeFile, path.join(fpPath, '_util.js'), template._util()));
+  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, onComplete);
 }

lib/fp/template/doc/wiki.jst

@@ -0,0 +1,220 @@
+## lodash/fp
+
+The `lodash/fp` module is an instance of `lodash` with its methods wrapped to
+produce immutable auto-curried iteratee-first data-last methods.
+
+## Installation
+
+In a browser:
+```html
+<script src='path/to/lodash.js'></script>
+<script src='path/to/lodash.fp.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 invoked with 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 of arguments as their second parameter:<br>
+<%= toFuncList(_.keys(mapping.methodSpread)) %>
+
+Methods with unchanged argument orders:<br>
+<%= toFuncList(_.keys(mapping.skipRearg)) %>
+
+Methods with custom argument orders:<br>
+<%= _.map(_.keys(mapping.methodRearg), function(methodName) {
+  var orders = mapping.methodRearg[methodName];
+  return ' * `_.' + methodName + '` has an order of ' + toArgOrder(orders);
+}).join('\n') %>
+
+#### 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(), function(alias) {
+  var 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());
+```

lib/fp/template/fp.jst

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

lib/fp/template/module.jst

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

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

@@ -1,11 +1,14 @@
 module.exports = {
   'ary': require('../ary'),
-  'cloneDeep': require('../cloneDeep'),
+  'assign': require('../_baseAssign'),
+  'clone': require('../clone'),
   'curry': require('../curry'),
   'forEach': require('../_arrayEach'),
+  'isArray': require('../isArray'),
   'isFunction': require('../isFunction'),
   'iteratee': require('../iteratee'),
   'keys': require('../_baseKeys'),
   'rearg': require('../rearg'),
-  'spread': require('../spread')
+  'spread': require('../spread'),
+  'toPath': require('../toPath')
 };

lib/fp/template/modules/convert.jst

@@ -3,14 +3,16 @@ var baseConvert = require('./_baseConvert'),
 
 /**
  * Converts `func` of `name` to an immutable auto-curried iteratee-first data-last
- * version. If `name` is an object its methods will be converted.
+ * 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) {
-  return baseConvert(util, name, func);
+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('../<%= _.result(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('../<%= _.result(mapping.remap, name, name) %>'), require('./_falseOptions'));
+
+func.placeholder = require('./placeholder');
+module.exports = func;

lib/fp/template/thru.jst

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

lib/main/build-dist.js

@@ -2,10 +2,9 @@
 
 var _ = require('lodash'),
     async = require('async'),
-    fs = require('fs-extra'),
     path = require('path');
 
-var minify = require('../common/minify.js');
+var file = require('../common/file');
 
 var basePath = path.join(__dirname, '..', '..'),
     distPath = path.join(basePath, 'dist'),
@@ -24,8 +23,8 @@ function onComplete(error) {
 
 function build() {
   async.series([
-    _.partial(fs.copy, baseLodash, distLodash),
-    _.partial(minify, distLodash)
+    file.copy(baseLodash, distLodash),
+    file.min(distLodash)
   ], onComplete);
 }
 

lib/main/build-doc.js

@@ -33,8 +33,13 @@ var config = {
 };
 
 function postprocess(string) {
-  // Fix docdown bug by wrapping symbol property identifiers in brackets.
-  return string.replace(/\.(Symbol\.(?:[a-z]+[A-Z]?)+)/g, '[$1]');
+  // Fix docdown bugs.
+  return string
+    // Repair the default value of `chars`.
+    // See https://github.com/eslint/doctrine/issues/157 for more details.
+    .replace(/\bchars=''/g, "chars=' '")
+    // Wrap symbol property identifiers in brackets.
+    .replace(/\.(Symbol\.(?:[a-z]+[A-Z]?)+)/g, '[$1]');
 }
 
 /*----------------------------------------------------------------------------*/

lib/main/build-modules.js

@@ -1,12 +1,19 @@
 'use strict';
 
 var _ = require('lodash'),
-    fs = require('fs-extra'),
+    async = require('async'),
     path = require('path');
 
+var file = require('../common/file');
+
 var basePath = path.join(__dirname, '..', '..'),
-    distPath = path.join(basePath, 'dist'),
-    corePath = path.join(distPath, 'lodash.core.js');
+    distPath = path.join(basePath, 'dist');
+
+var filePairs = [
+  [path.join(distPath, 'lodash.core.js'), 'core.js'],
+  [path.join(distPath, 'lodash.core.min.js'), 'core.min.js'],
+  [path.join(distPath, 'lodash.min.js'), 'lodash.min.js']
+];
 
 /*----------------------------------------------------------------------------*/
 
@@ -17,7 +24,11 @@ function onComplete(error) {
 }
 
 function build(target) {
-  fs.copy(corePath, path.join(target, 'core.js'), onComplete);
+  var actions = _.map(filePairs, function(pair) {
+    return file.copy(pair[0], path.join(target, pair[1]));
+  });
+
+  async.series(actions, onComplete);
 }
 
 build(_.last(process.argv));

package.json

@@ -1,49 +1,52 @@
 {
   "name": "lodash",
-  "version": "4.2.0",
-  "main": "lodash.js",
+  "version": "4.9.0",
+  "license": "MIT",
   "private": true,
+  "main": "lodash.js",
   "devDependencies": {
     "async": "^1.5.2",
     "benchmark": "^2.1.0",
-    "chalk": "^1.1.1",
+    "chalk": "^1.1.3",
     "codecov.io": "~0.1.6",
-    "coveralls": "^2.11.6",
+    "coveralls": "^2.11.9",
     "curl-amd": "~0.8.12",
-    "docdown": "~0.4.1",
-    "dojo": "^1.10.4",
+    "docdown": "~0.5.1",
+    "dojo": "^1.11.1",
     "ecstatic": "^1.4.0",
-    "fs-extra": "~0.26.5",
-    "glob": "^6.0.4",
-    "istanbul": "0.4.2",
-    "jquery": "^2.2.0",
-    "jscs": "^2.9.0",
-    "lodash": "^3.10.1",
+    "fs-extra": "~0.26.7",
+    "glob": "^7.0.3",
+    "istanbul": "0.4.3",
+    "jquery": "^2.2.3",
+    "jscs": "^2.11.0",
+    "lodash": "4.8.2",
     "platform": "^1.3.1",
-    "qunit-extras": "^1.4.5",
-    "qunitjs": "~1.21.0",
+    "qunit-extras": "^1.5.0",
+    "qunitjs": "~1.23.0",
     "request": "^2.69.0",
-    "requirejs": "^2.1.22",
-    "sauce-tunnel": "2.3.0",
-    "uglify-js": "2.6.1",
-    "webpack": "^1.12.12"
+    "requirejs": "^2.2.0",
+    "sauce-tunnel": "^2.4.0",
+    "uglify-js": "2.6.2",
+    "webpack": "^1.12.14"
   },
   "scripts": {
-    "build": "npm run build:main & npm run build:fp",
+    "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/doc/build github",
-    "doc:site": "node lib/doc/build site",
+    "doc": "node lib/main/build-doc github",
+    "doc:fp": "node lib/fp/build-doc",
+    "doc:site": "node lib/main/build-doc site",
     "pretest": "npm run build",
-    "style": "npm run style:main & npm run style:fp & npm run style:perf & npm run style:test",
+    "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:fp": "node test/test-fp",
-    "test:main": "node test/test"
+    "test:main": "node test/test",
+    "validate": "npm run style && npm run test"
   }
 }

perf/perf.js

@@ -565,11 +565,11 @@
   suites.push(
     Benchmark.Suite('`_.assign`')
       .add(buildName, {
-        'fn': 'lodashAssign({}, object)',
+        'fn': 'lodashAssign({}, { "a": 1, "b": 2, "c": 3 })',
         'teardown': 'function assign(){}'
       })
       .add(otherName, {
-        'fn': '_assign({}, object)',
+        'fn': '_assign({}, { "a": 1, "b": 2, "c": 3 })',
         'teardown': 'function assign(){}'
       })
   );
@@ -577,11 +577,11 @@
   suites.push(
     Benchmark.Suite('`_.assign` with multiple sources')
       .add(buildName, {
-        'fn': 'lodashAssign({}, object, object)',
+        'fn': 'lodashAssign({}, { "a": 1, "b": 2 }, { "c": 3, "d": 4 })',
         'teardown': 'function assign(){}'
       })
       .add(otherName, {
-        'fn': '_assign({}, object, object)',
+        'fn': '_assign({}, { "a": 1, "b": 2 }, { "c": 3, "d": 4 })',
         'teardown': 'function assign(){}'
       })
   );

test/asset/test-ui.js

@@ -154,13 +154,13 @@
   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]);
+  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 = /\bes6?\b/.test([location.pathname, location.search]);
+  ui.isStrict = /\bes\b/.test([location.pathname, location.search]);
 
   ui.urlParams = { 'build': build, 'loader': loader };
   ui.timing = { 'loadEventEnd': 0 };

test/asset/worker.js

@@ -5,7 +5,10 @@ addEventListener('message', function(e) {
     try {
       importScripts('../' + e.data);
     } catch (e) {
-      self._ = { 'VERSION': e.message };
+      var lineNumber = e.lineNumber,
+          message = (lineNumber == null ? '' : (lineNumber + ': ')) + e.message;
+
+      self._ = { 'VERSION': message };
     }
     postMessage(_.VERSION);
   }

test/index.html

@@ -22,7 +22,7 @@
         };
       }
     </script>
-    <script src="../node_modules/lodash/index.js"></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>
@@ -82,6 +82,22 @@
         funcProto._method = noop;
 
         // Set bad shims.
+        setProperty(Object, '_create', Object.create);
+        setProperty(Object, 'create', (function() {
+          function object() {}
+          return function(prototype) {
+            if (prototype === Object(prototype)) {
+              object.prototype = prototype;
+              var result = new object;
+              object.prototype = undefined;
+            }
+            return result || {};
+          };
+        }()));
+
+        setProperty(Object, '_getOwnPropertySymbols', Object.getOwnPropertySymbols);
+        setProperty(Object, 'getOwnPropertySymbols', undefined);
+
         setProperty(objectProto, '_propertyIsEnumerable', propertyIsEnumerable);
         setProperty(objectProto, 'propertyIsEnumerable', function(key) {
           return !(key == 'valueOf' && this && this.valueOf === 1) && _propertyIsEnumerable.call(this, key);
@@ -103,11 +119,8 @@
 
           setProperty(Map, 'toString', createToString('Map'));
         }
-        setProperty(Object, '_create', Object.create);
-        setProperty(Object, 'create', noop);
-
-        setProperty(Object, '_getOwnPropertySymbols', Object.getOwnPropertySymbols);
-        setProperty(Object, 'getOwnPropertySymbols', undefined);
+        setProperty(window, '_Promise', window.Promise);
+        setProperty(window, 'Promise', noop);
 
         setProperty(window, '_Set', window.Set);
         setProperty(window, 'Set', noop);
@@ -131,6 +144,8 @@
         var funcProto = Function.prototype,
             objectProto = Object.prototype;
 
+        setProperty(objectProto, 'propertyIsEnumerable', objectProto._propertyIsEnumerable);
+
         if (Object._create) {
           Object.create = Object._create;
         } else {
@@ -146,6 +161,11 @@
         } else {
           setProperty(window, 'Map', undefined);
         }
+        if (_Promise) {
+          Promise = _Promise;
+        } else {
+          setProperty(window, 'Promise', undefined);
+        }
         if (_Set) {
           Set = _Set;
         } else {
@@ -159,9 +179,8 @@
         } else {
           setProperty(window, 'WeakMap', undefined);
         }
-        setProperty(objectProto, 'propertyIsEnumerable', objectProto._propertyIsEnumerable);
-
         setProperty(window, '_Map', undefined);
+        setProperty(window, '_Promise', undefined);
         setProperty(window, '_Set', undefined);
         setProperty(window, '_Symbol', undefined);
         setProperty(window, '_WeakMap', undefined);
@@ -173,9 +192,9 @@
         setProperty(window, 'module', document.getElementById('module'));
 
         delete funcProto._method;
-        delete objectProto._propertyIsEnumerable;
         delete Object._create;
         delete Object._getOwnPropertySymbols;
+        delete objectProto._propertyIsEnumerable;
       }
 
       // Load lodash to expose it to the bad extensions/shims.
@@ -286,9 +305,9 @@
 
             if (ui.isModularize) {
               require(getConfig(), [
-                'lodash/internal/baseEach',
-                'lodash/internal/isIndex',
-                'lodash/internal/isIterateeCall'
+                'lodash/_baseEach',
+                'lodash/_isIndex',
+                'lodash/_isIterateeCall'
               ], function(baseEach, isIndex, isIterateeCall) {
                 lodash._baseEach = baseEach;
                 lodash._isIndex = isIndex;

test/remove.js

@@ -1,15 +1,15 @@
 #!/usr/bin/env node
 'use strict';
 
-var fs = require('fs'),
+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,
-    slice = Array.prototype.slice;
+    reLine = /.*/gm;
 
 var pattern = (function() {
   var result = args[0],
@@ -22,6 +22,6 @@ var pattern = (function() {
 /*----------------------------------------------------------------------------*/
 
 fs.writeFileSync(filePath, fs.readFileSync(filePath, 'utf8').replace(pattern, function(match) {
-  var snippet = slice.call(arguments, -3, -1)[0];
+  var snippet = _.slice(arguments, -3, -2)[0];
   return match.replace(snippet, snippet.replace(reLine, ''));
 }));

test/saucelabs.js

@@ -97,17 +97,18 @@ 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', '5.1'],
-  ['Windows 10', 'chrome', '47'],
-  ['Windows 10', 'chrome', '46'],
-  ['Windows 10', 'firefox', '43'],
-  ['Windows 10', 'firefox', '42'],
-  ['Windows 10', 'microsoftedge', '20.10240'],
+  ['Windows 10', 'chrome', '49'],
+  ['Windows 10', 'chrome', '48'],
+  ['Windows 10', 'firefox', '45'],
+  ['Windows 10', 'firefox', '44'],
+  ['Windows 10', 'microsoftedge', '13'],
   ['Windows 10', 'internet explorer', '11'],
   ['Windows 8', 'internet explorer', '10'],
   ['Windows 7', 'internet explorer', '9'],

test/underscore.html

@@ -29,6 +29,9 @@
       QUnit.config.hidepassed = true;
       QUnit.config.excused = {
         'Arrays': {
+          'chunk': [
+            'defaults to empty array (chunk size 0)'
+          ],
           'difference': [
             'can perform an OO-style difference'
           ],
@@ -291,6 +294,9 @@
           'isMatch': [
             'doesnt falsey match constructor on undefined/null'
           ],
+          'isSet': [
+            'Died on test #9'
+          ],
           'findKey': [
             'called with context'
           ],
@@ -381,8 +387,6 @@
 
       // Only excuse in Sauce Labs.
       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.Utility.now;
       }

vendor/backbone/backbone.js

@@ -1,4 +1,4 @@
-//     Backbone.js 1.2.3
+//     Backbone.js 1.3.3
 
 //     (c) 2010-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 //     Backbone may be freely distributed under the MIT license.
@@ -44,7 +44,7 @@
   var slice = Array.prototype.slice;
 
   // Current version of the library. Keep in sync with `package.json`.
-  Backbone.VERSION = '1.2.3';
+  Backbone.VERSION = '1.3.3';
 
   // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns
   // the `$` variable.
@@ -242,7 +242,6 @@
 
       listening.obj.off(name, callback, this);
     }
-    if (_.isEmpty(listeningTo)) this._listeningTo = void 0;
 
     return this;
   };
@@ -299,7 +298,7 @@
         delete events[name];
       }
     }
-    if (_.size(events)) return events;
+    return events;
   };
 
   // Bind an event to only be triggered a single time. After the first time
@@ -309,7 +308,8 @@
   Events.once = function(name, callback, context) {
     // Map the event into a `{event: once}` object.
     var events = eventsApi(onceMap, {}, name, callback, _.bind(this.off, this));
-    return this.on(events, void 0, context);
+    if (typeof name === 'string' && context == null) callback = void 0;
+    return this.on(events, callback, context);
   };
 
   // Inversion-of-control versions of `once`.
@@ -398,7 +398,8 @@
     this.attributes = {};
     if (options.collection) this.collection = options.collection;
     if (options.parse) attrs = this.parse(attrs, options) || {};
-    attrs = _.defaults({}, attrs, _.result(this, 'defaults'));
+    var defaults = _.result(this, 'defaults');
+    attrs = _.defaults(_.extend({}, defaults, attrs), defaults);
     this.set(attrs, options);
     this.changed = {};
     this.initialize.apply(this, arguments);
@@ -714,7 +715,7 @@
 
     // Check if the model is currently in a valid state.
     isValid: function(options) {
-      return this._validate({}, _.defaults({validate: true}, options));
+      return this._validate({}, _.extend({}, options, {validate: true}));
     },
 
     // Run validation against the next complete set of model attributes,
@@ -824,7 +825,7 @@
     set: function(models, options) {
       if (models == null) return;
 
-      options = _.defaults({}, options, setOptions);
+      options = _.extend({}, setOptions, options);
       if (options.parse && !this._isModel(models)) {
         models = this.parse(models, options) || [];
       }
@@ -834,6 +835,7 @@
 
       var at = options.at;
       if (at != null) at = +at;
+      if (at > this.length) at = this.length;
       if (at < 0) at += this.length + 1;
 
       var set = [];
@@ -978,11 +980,13 @@
       return slice.apply(this.models, arguments);
     },
 
-    // Get a model from the set by id.
+    // Get a model from the set by id, cid, model object with id or cid
+    // properties, or an attributes object that is transformed through modelId.
     get: function(obj) {
       if (obj == null) return void 0;
-      var id = this.modelId(this._isModel(obj) ? obj.attributes : obj);
-      return this._byId[obj] || this._byId[id] || this._byId[obj.cid];
+      return this._byId[obj] ||
+        this._byId[this.modelId(obj.attributes || obj)] ||
+        obj.cid && this._byId[obj.cid];
     },
 
     // Returns `true` if the model is in the collection.
@@ -1913,5 +1917,4 @@
   };
 
   return Backbone;
-
 });

vendor/backbone/test/collection.js

@@ -101,11 +101,6 @@
     assert.equal(collection2.get(model.clone()), collection2.first());
   });
 
-  QUnit.test('get with "undefined" id', function(assert) {
-    var collection = new Backbone.Collection([{id: 1}, {id: 'undefined'}]);
-    assert.equal(collection.get(1).id, 1);
-  });
-
   QUnit.test('has', function(assert) {
     assert.expect(15);
     assert.ok(col.has(a));
@@ -1583,7 +1578,7 @@
   });
 
   QUnit.test('_addReference binds all collection events & adds to the lookup hashes', function(assert) {
-    assert.expect(9);
+    assert.expect(8);
 
     var calls = {add: 0, remove: 0};
 
@@ -1603,7 +1598,6 @@
         assert.equal(this._byId[model.id], void 0);
         assert.equal(this._byId[model.cid], void 0);
         assert.equal(model.collection, void 0);
-        assert.equal(model._events, void 0);
       }
 
     });
@@ -1739,13 +1733,14 @@
     assert.equal(c2.modelId(m.attributes), void 0);
   });
 
-  QUnit.test('#3039: adding at index fires with correct at', function(assert) {
-    assert.expect(3);
-    var collection = new Backbone.Collection([{at: 0}, {at: 4}]);
+  QUnit.test('#3039 #3951: adding at index fires with correct at', function(assert) {
+    assert.expect(4);
+    var collection = new Backbone.Collection([{val: 0}, {val: 4}]);
     collection.on('add', function(model, coll, options) {
-      assert.equal(model.get('at'), options.index);
+      assert.equal(model.get('val'), options.index);
     });
-    collection.add([{at: 1}, {at: 2}, {at: 3}], {at: 1});
+    collection.add([{val: 1}, {val: 2}, {val: 3}], {at: 1});
+    collection.add({val: 5}, {at: 10});
   });
 
   QUnit.test('#3039: index is not sent when at is not specified', function(assert) {
@@ -1903,7 +1898,7 @@
       assert.deepEqual(changed.merged, []);
       assert.ok(changed.removed.length === 2);
 
-      assert.ok(changed.removed.indexOf(model) > -1 && changed.removed.indexOf(model2) > -1);
+      assert.ok(_.indexOf(changed.removed, model) > -1 && _.indexOf(changed.removed, model2) > -1);
     });
     collection.remove([model, model2]);
   });

vendor/backbone/test/events.js

@@ -417,6 +417,18 @@
     assert.equal(obj.counterB, 1, 'counterB should have only been incremented once.');
   });
 
+  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);
+
+    obj.once('event', obj.assertTrue);
+    obj.trigger('event');
+  });
+
   QUnit.test('bind a callback with a supplied context', function(assert) {
     assert.expect(1);
     var TestClass = function() {
@@ -587,6 +599,19 @@
     assert.equal(obj.counter, 3);
   });
 
+  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 = {};

vendor/backbone/test/model.js

@@ -34,6 +34,12 @@
     assert.equal(model.collection, collection);
   });
 
+  QUnit.test('Object.prototype properties are overridden by attributes', function(assert) {
+    assert.expect(1);
+    var model = new Backbone.Model({hasOwnProperty: true});
+    assert.equal(model.get('hasOwnProperty'), true);
+  });
+
   QUnit.test('initialize with attributes and options', function(assert) {
     assert.expect(1);
     var Model = Backbone.Model.extend({
@@ -57,19 +63,6 @@
     assert.equal(model.get('value'), 2);
   });
 
-  QUnit.test('initialize with defaults', function(assert) {
-    assert.expect(2);
-    var Model = Backbone.Model.extend({
-      defaults: {
-        firstName: 'Unknown',
-        lastName: 'Unknown'
-      }
-    });
-    var model = new Model({'firstName': 'John'});
-    assert.equal(model.get('firstName'), 'John');
-    assert.equal(model.get('lastName'), 'Unknown');
-  });
-
   QUnit.test('parse can return null', function(assert) {
     assert.expect(1);
     var Model = Backbone.Model.extend({
@@ -428,7 +421,7 @@
   });
 
   QUnit.test('defaults', function(assert) {
-    assert.expect(4);
+    assert.expect(9);
     var Defaulted = Backbone.Model.extend({
       defaults: {
         one: 1,
@@ -438,6 +431,9 @@
     var model = new Defaulted({two: undefined});
     assert.equal(model.get('one'), 1);
     assert.equal(model.get('two'), 2);
+    model = new Defaulted({two: 3});
+    assert.equal(model.get('one'), 1);
+    assert.equal(model.get('two'), 3);
     Defaulted = Backbone.Model.extend({
       defaults: function() {
         return {
@@ -449,6 +445,15 @@
     model = new Defaulted({two: undefined});
     assert.equal(model.get('one'), 3);
     assert.equal(model.get('two'), 4);
+    Defaulted = Backbone.Model.extend({
+      defaults: {hasOwnProperty: true}
+    });
+    model = new Defaulted();
+    assert.equal(model.get('hasOwnProperty'), true);
+    model = new Defaulted({hasOwnProperty: undefined});
+    assert.equal(model.get('hasOwnProperty'), true);
+    model = new Defaulted({hasOwnProperty: false});
+    assert.equal(model.get('hasOwnProperty'), false);
   });
 
   QUnit.test('change, hasChanged, changedAttributes, previous, previousAttributes', function(assert) {
@@ -989,8 +994,8 @@
 
   QUnit.test('`previous` for falsey keys', function(assert) {
     assert.expect(2);
-    var model = new Backbone.Model({0: true, '': true});
-    model.set({0: false, '': false}, {silent: true});
+    var model = new Backbone.Model({'0': true, '': true});
+    model.set({'0': false, '': false}, {silent: true});
     assert.equal(model.previous(0), true);
     assert.equal(model.previous(''), true);
   });

vendor/backbone/test/view.js

@@ -14,6 +14,11 @@
         className: 'test-view',
         other: 'non-special-option'
       });
+    },
+
+    afterEach: function() {
+      $('#testElement').remove();
+      $('#test-view').remove();
     }
 
   });

vendor/underscore/test/functions.js

@@ -475,9 +475,9 @@
   });
 
   QUnit.test('debounce asap', function(assert) {
-    assert.expect(4);
+    assert.expect(6);
     var done = assert.async();
-    var a, b;
+    var a, b, c;
     var counter = 0;
     var incr = function(){ return ++counter; };
     var debouncedIncr = _.debounce(incr, 64, true);
@@ -489,7 +489,13 @@
     _.delay(debouncedIncr, 16);
     _.delay(debouncedIncr, 32);
     _.delay(debouncedIncr, 48);
-    _.delay(function(){ assert.equal(counter, 1, 'incr was debounced'); done(); }, 128);
+    _.delay(function(){
+      assert.equal(counter, 1, 'incr was debounced');
+      c = debouncedIncr();
+      assert.equal(c, 2);
+      assert.equal(counter, 2, 'incr was called again');
+      done();
+    }, 128);
   });
 
   QUnit.test('debounce asap cancel', function(assert) {

vendor/underscore/test/objects.js

@@ -565,6 +565,14 @@
     assert.equal(_.isEqual({a: 0}, {a: -0}), false);
     assert.equal(_.isEqual([NaN], [NaN]), true);
     assert.equal(_.isEqual({a: NaN}, {a: NaN}), true);
+
+    if (typeof Symbol !== 'undefined') {
+      var symbol = Symbol('x');
+      assert.strictEqual(_.isEqual(symbol, symbol), true, 'A symbol is equal to itself');
+      assert.strictEqual(_.isEqual(symbol, Object(symbol)), true, 'Even when wrapped in Object()');
+      assert.strictEqual(_.isEqual(symbol, null), false, 'Different types are not equal');
+    }
+
   });
 
   QUnit.test('isEmpty', function(assert) {
@@ -673,6 +681,100 @@
     assert.ok(_.isBoolean(false), 'and so is false');
   });
 
+  QUnit.test('isMap', function(assert) {
+    assert.ok(!_.isMap('string'), 'a string is not a map');
+    assert.ok(!_.isMap(2), 'a number is not a map');
+    assert.ok(!_.isMap({}), 'an object is not a map');
+    assert.ok(!_.isMap(false), 'a boolean is not a map');
+    assert.ok(!_.isMap(void 0), 'undefined is not a map');
+    assert.ok(!_.isMap([1, 2, 3]), 'an array is not a map');
+    if (typeof Set === 'function') {
+      assert.ok(!_.isMap(new Set()), 'a set is not a map');
+    }
+    if (typeof WeakSet === 'function') {
+      assert.ok(!_.isMap(new WeakSet()), 'a weakset is not a map');
+    }
+    if (typeof WeakMap === 'function') {
+      assert.ok(!_.isMap(new WeakMap()), 'a weakmap is not a map');
+    }
+    if (typeof Map === 'function') {
+      var keyString = 'a string';
+      var obj = new Map();
+      obj.set(keyString, 'value');
+      assert.ok(_.isMap(obj), 'but a map is');
+    }
+  });
+
+  QUnit.test('isWeakMap', function(assert) {
+    assert.ok(!_.isWeakMap('string'), 'a string is not a weakmap');
+    assert.ok(!_.isWeakMap(2), 'a number is not a weakmap');
+    assert.ok(!_.isWeakMap({}), 'an object is not a weakmap');
+    assert.ok(!_.isWeakMap(false), 'a boolean is not a weakmap');
+    assert.ok(!_.isWeakMap(void 0), 'undefined is not a weakmap');
+    assert.ok(!_.isWeakMap([1, 2, 3]), 'an array is not a weakmap');
+    if (typeof Set === 'function') {
+      assert.ok(!_.isWeakMap(new Set()), 'a set is not a weakmap');
+    }
+    if (typeof WeakSet === 'function') {
+      assert.ok(!_.isWeakMap(new WeakSet()), 'a weakset is not a weakmap');
+    }
+    if (typeof Map === 'function') {
+      assert.ok(!_.isWeakMap(new Map()), 'a map is not a weakmap');
+    }
+    if (typeof WeakMap === 'function') {
+      var keyObj = {}, obj = new WeakMap();
+      obj.set(keyObj, 'value');
+      assert.ok(_.isWeakMap(obj), 'but a weakmap is');
+    }
+  });
+
+  QUnit.test('isSet', function(assert) {
+    assert.ok(!_.isSet('string'), 'a string is not a set');
+    assert.ok(!_.isSet(2), 'a number is not a set');
+    assert.ok(!_.isSet({}), 'an object is not a set');
+    assert.ok(!_.isSet(false), 'a boolean is not a set');
+    assert.ok(!_.isSet(void 0), 'undefined is not a set');
+    assert.ok(!_.isSet([1, 2, 3]), 'an array is not a set');
+    if (typeof Map === 'function') {
+      assert.ok(!_.isSet(new Map()), 'a map is not a set');
+    }
+    if (typeof WeakMap === 'function') {
+      assert.ok(!_.isSet(new WeakMap()), 'a weakmap is not a set');
+    }
+    if (typeof WeakSet === 'function') {
+      assert.ok(!_.isSet(new WeakSet()), 'a weakset is not a set');
+    }
+    if (typeof Set === 'function') {
+      var obj = new Set();
+      obj.add(1).add('string').add(false).add({});
+      assert.ok(_.isSet(obj), 'but a set is');
+    }
+  });
+
+  QUnit.test('isWeakSet', function(assert) {
+
+    assert.ok(!_.isWeakSet('string'), 'a string is not a weakset');
+    assert.ok(!_.isWeakSet(2), 'a number is not a weakset');
+    assert.ok(!_.isWeakSet({}), 'an object is not a weakset');
+    assert.ok(!_.isWeakSet(false), 'a boolean is not a weakset');
+    assert.ok(!_.isWeakSet(void 0), 'undefined is not a weakset');
+    assert.ok(!_.isWeakSet([1, 2, 3]), 'an array is not a weakset');
+    if (typeof Map === 'function') {
+      assert.ok(!_.isWeakSet(new Map()), 'a map is not a weakset');
+    }
+    if (typeof WeakMap === 'function') {
+      assert.ok(!_.isWeakSet(new WeakMap()), 'a weakmap is not a weakset');
+    }
+    if (typeof Set === 'function') {
+      assert.ok(!_.isWeakSet(new Set()), 'a set is not a weakset');
+    }
+    if (typeof WeakSet === 'function') {
+      var obj = new WeakSet();
+      obj.add({x: 1}, {y: 'string'}).add({y: 'string'}).add({z: [1, 2, 3]});
+      assert.ok(_.isWeakSet(obj), 'but a weakset is');
+    }
+  });
+
   QUnit.test('isFunction', function(assert) {
     assert.ok(!_.isFunction(void 0), 'undefined vars are not functions');
     assert.ok(!_.isFunction([1, 2, 3]), 'arrays are not functions');

vendor/underscore/underscore.js

@@ -20,6 +20,7 @@
 
   // Save bytes in the minified (but not gzipped) version:
   var ArrayProto = Array.prototype, ObjProto = Object.prototype;
+  var SymbolProto = typeof Symbol !== 'undefined' ? Symbol.prototype : null;
 
   // Create quick reference variables for speed access to core prototypes.
   var push = ArrayProto.push,
@@ -218,12 +219,8 @@
 
   // Return the first value which passes a truth test. Aliased as `detect`.
   _.find = _.detect = function(obj, predicate, context) {
-    var key;
-    if (isArrayLike(obj)) {
-      key = _.findIndex(obj, predicate, context);
-    } else {
-      key = _.findKey(obj, predicate, context);
-    }
+    var keyFinder = isArrayLike(obj) ? _.findIndex : _.findKey;
+    var key = keyFinder(obj, predicate, context);
     if (key !== void 0 && key !== -1) return obj[key];
   };
 
@@ -442,7 +439,7 @@
       // Keep surrogate pair characters together
       return obj.match(reStrSymbol);
     }
-    if (isArrayLike(obj)) return _.map(obj, _.identity);
+    if (isArrayLike(obj)) return _.map(obj);
     return _.values(obj);
   };
 
@@ -494,7 +491,7 @@
 
   // Trim out all falsy values from an array.
   _.compact = function(array) {
-    return _.filter(array, _.identity);
+    return _.filter(array);
   };
 
   // Internal implementation of a recursive `flatten` function.
@@ -859,12 +856,12 @@
     };
 
     var debounced = restArgs(function(args) {
-      var callNow = immediate && !timeout;
       if (timeout) clearTimeout(timeout);
-      if (callNow) {
+      if (immediate) {
+        var callNow = !timeout;
         timeout = setTimeout(later, wait);
-        result = func.apply(this, args);
-      } else if (!immediate) {
+        if (callNow) result = func.apply(this, args);
+      } else {
         timeout = _.delay(later, wait, this, args);
       }
 
@@ -1195,6 +1192,8 @@
         // millisecond representations. Note that invalid dates with millisecond representations
         // of `NaN` are not equivalent.
         return +a === +b;
+      case '[object Symbol]':
+        return SymbolProto.valueOf.call(a) === SymbolProto.valueOf.call(b);
     }
 
     var areArrays = className === '[object Array]';
@@ -1285,8 +1284,8 @@
     return type === 'function' || type === 'object' && !!obj;
   };
 
-  // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError.
-  _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error', 'Symbol'], function(name) {
+  // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError, isMap, isWeakMap, isSet, isWeakSet.
+  _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error', 'Symbol', 'Map', 'WeakMap', 'Set', 'WeakSet'], function(name) {
     _['is' + name] = function(obj) {
       return toString.call(obj) === '[object ' + name + ']';
     };