Update v1.2.0 docs

2026-02-01 07:47:49 +00:00 · 2015-01-23 16:05:11 +08:00
859 changed files with 102948 additions and 38849 deletions
--- a/.commitlintrc.js
+++ b/.commitlintrc.js
@@ -1,29 +0,0 @@
-'use strict';
-
-module.exports = {
-  extends: [
-    '@commitlint/config-conventional', // scoped packages are not prefixed
-  ],
-  rules: {
-    'type-enum': [
-      2,
-      'always',
-      [
-        'build',
-        'chore',
-        'ci',
-        'docs',
-        'feat',
-        'fix',
-        'perf',
-        'proposal',
-        'refactor',
-        'release',
-        'revert',
-        'style',
-        'test',
-        'wip',
-      ],
-    ],
-  },
-};
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,12 +0,0 @@
-# This file is for unifying the coding style for different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-charset = utf-8
-end_of_line = lf
-indent_size = 2
-indent_style = space
-insert_final_newline = true
-trim_trailing_whitespace = true
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,5 +0,0 @@
-coverage/
-coverage-merged/
-dist/
-node_modules/
-types/
--- a/.eslintrc
+++ b/.eslintrc
@@ -1,99 +0,0 @@
-{
-  "extends": ["airbnb-base", "prettier"],
-  "root": true,
-  "env": {
-    "amd": true,
-    "browser": true,
-    "es6": true,
-    "jest": true,
-    "node": true
-  },
-  "globals": {
-    "BigInt": "readonly",
-    "BigInt64Array": "readonly",
-    "BigUint64Array": "readonly",
-    "globalThis": "readonly"
-  },
-  "parserOptions": {
-    "ecmaVersion": 2020,
-    "sourceType": "module"
-  },
-  "plugins": [
-    "prettier"
-  ],
-  "rules": {
-    "prettier/prettier": "error",
-    // Overridden
-    "camelcase": ["error", { "properties": "never", "allow": [ "W[0-9]+_"] }],
-    "import/extensions": "off",
-    "no-eval": "off",
-    "no-self-compare": "off",
-    "one-var": ["error", "never"],
-    // @TODO: Fix the following rules progressively.
-    "arrow-body-style": "warn",
-    "prefer-arrow-callback": "warn",
-    "prefer-object-spread": "off",
-    "max-classes-per-file": "off",
-    "dot-notation": "off",
-    "object-shorthand": "off",
-    "no-param-reassign": "off",
-    "no-cond-assign": "off",
-    "prefer-destructuring": "off",
-    "func-names": "off",
-    "no-nested-ternary": "off",
-    "no-plusplus": "off",
-    "strict": "off",
-    "no-restricted-syntax": "off",
-    "import/no-mutable-exports": "off",
-    "guard-for-in": "off",
-    "import/prefer-default-export": "off",
-    "prefer-rest-params": "off",
-    "prefer-spread": "off",
-    "no-lonely-if": "off",
-    "no-prototype-builtins": "off",
-    "no-continue": "off",
-    "no-shadow": "off",
-    // Rules up for discussion.
-    "no-multi-assign": "off",
-    "new-cap": "off"
-  },
-  "overrides": [
-    {
-      "files": ["**/*.ts"],
-      "parserOptions": {
-         "project": "./tsconfig.json"
-      },
-      "extends": [
-        "airbnb-typescript/base",
-        "prettier"
-      ],
-      "plugins": ["@typescript-eslint"],
-      "rules": {
-        "@typescript-eslint/no-unused-vars": [
-          "warn",
-          {
-            "vars": "all",
-            "args": "after-used",
-            "ignoreRestSiblings": true,
-            "argsIgnorePattern": "^_" // For tsc compatibility.
-          }
-        ],
-        "comma-dangle": "off",
-        "implicit-arrow-linebreak": "off", // Conflicts with prettier.
-        "import/extensions": "off",
-        "import/prefer-default-export": "off",
-        "operator-linebreak": "off",
-        "object-curly-newline": "off",
-        "prefer-rest-params": "off", // We need to use params.
-        "prettier/prettier": "error",
-        "@typescript-eslint/no-shadow": "warn",
-        "@typescript-eslint/no-use-before-define": ["warn", { "functions": false }],
-        "import/no-cycle": "warn",
-        "no-bitwise": "off",
-        "no-unsafe-finally": "warn",
-        "no-param-reassign": "off",
-        "no-shadow": "warn"
-      }
-    }
-  ]
-}
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,5 @@
 * text=auto
-*.lockb binary diff=lockb
+*.js text eol=lf
+*.jst text eol=lf
+*.sh text eol=lf
+*.tpl text eol=lf
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -1,71 +0,0 @@
-# :construction: Notice :construction:
-
-Pardon the mess. The `master` branch is in flux while we work on Lodash v5. This
-means things like npm scripts, which we encourage using for contributions, may
-not be working. Thank you for your patience.
-
-# Contributing to Lodash
-
-Contributions are always welcome. Before contributing please read the
-[code of conduct](https://code-of-conduct.openjsf.org) &
-[search the issue tracker](https://github.com/lodash/lodash/issues); your issue
-may have already been discussed or fixed in `master`. To contribute,
-[fork](https://help.github.com/articles/fork-a-repo/) Lodash, commit your changes,
-& [send a pull request](https://help.github.com/articles/using-pull-requests/).
-
-## Feature Requests
-
-Feature requests should be submitted in the
-[issue tracker](https://github.com/lodash/lodash/issues), with a description of
-the expected behavior & use case, where they’ll remain closed until sufficient interest,
-[e.g. :+1: reactions](https://help.github.com/articles/about-discussions-in-issues-and-pull-requests/),
-has been [shown by the community](https://github.com/lodash/lodash/issues?q=label%3A%22votes+needed%22+sort%3Areactions-%2B1-desc).
-Before submitting a request, please search for similar ones in the
-[closed issues](https://github.com/lodash/lodash/issues?q=is%3Aissue+is%3Aclosed+label%3Aenhancement).
-
-## Pull Requests
-
-For additions or bug fixes, please modify the relevant files. Include
-updated unit tests in the `test` directory as part of your pull request.
-Unit test files should be named `[filename].test.js`.
-
-Before running the unit tests you’ll need to install, `npm i`,
-[development dependencies](https://docs.npmjs.com/files/package.json#devdependencies).
-Run unit tests from the command-line via `npm test`.
-
-## Contributor License Agreement
-
-Lodash is a member of the [JS Foundation](https://openjsf.org/).
-As such, we request that all contributors sign the JS Foundation
-[contributor license agreement (CLA)](https://cla.js.foundation/lodash/lodash).
-
-For more information about CLAs, please check out Alex Russell’s excellent post,
-[“Why Do I Need to Sign This?”](https://infrequently.org/2008/06/why-do-i-need-to-sign-this/).
-
-## Coding Guidelines
-
-In addition to the following guidelines, please follow the conventions already
-established in the code.
-
- **Spacing**:<br>
-  Use two spaces for indentation. No tabs.
-
- **Naming**:<br>
-  Keep variable & method names concise & descriptive.<br>
-  Variable names `index`, `array`, & `iteratee` are preferable to
-  `i`, `arr`, & `fn`.
-
- **Quotes**:<br>
-  Single-quoted strings are preferred to double-quoted strings; however,
-  please use a double-quoted string if the value contains a single-quote
-  character to avoid unnecessary escaping.
-
- **Comments**:<br>
-  Please use single-line comments to annotate significant additions, &
-  [JSDoc-style](http://www.2ality.com/2011/08/jsdoc-intro.html) comments for
-  functions.
-
-Guidelines are enforced using [ESLint](https://www.npmjs.com/package/eslint):
-```bash
-$ npm run style
-```
--- a/.github/lock.yml
+++ b/.github/lock.yml
@@ -1,24 +0,0 @@
-# Configuration for lock-threads - https://github.com/dessant/lock-threads
-
-# Number of days of inactivity before a closed issue or pull request is locked
-daysUntilLock: 365
-
-# Skip issues and pull requests created before a given timestamp. Timestamp must
-# follow ISO 8601 (`YYYY-MM-DD`). Set to `false` to disable
-skipCreatedBefore: false
-
-# Issues and pull requests with these labels will not be locked. Set to `[]` to disable
-exemptLabels:
-  - votes needed
-
-# Label to add before locking, such as `outdated`. Set to `false` to disable
-lockLabel: false
-
-# Comment to post before locking. Set to `false` to disable
-lockComment: >
-  This thread has been automatically locked since there has not been
-  any recent activity after it was closed. Please open a new issue for
-  related bugs.
-
-# Assign `resolved` as the reason for locking. Set to `false` to disable
-setLockReason: true
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,16 +0,0 @@
-name: CI
-on:
-  pull_request:
-    branches: [ main ]
-  push:
-    branches: [ main ]
-
-jobs:
-  tests:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: oven-sh/setup-bun@v1
-        with:
-          bun-version: 1.0.2
-      - run: bun install
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,5 @@
 .DS_Store
-*.log*
-dist/
-node_modules/
-*.code-workspace
-*.lockb
-*.sublime-project
-*.sublime-workspace
+*.custom.*
+node_modules
+vendor/closure-compiler
+vendor/uglifyjs
--- a/.husky/.gitignore
+++ b/.husky/.gitignore
@@ -1 +0,0 @@
-_
--- a/.husky/commit-msg
+++ b/.husky/commit-msg
@@ -1,4 +0,0 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
-bun run commitlint --edit "$1"
--- a/.husky/pre-commit
+++ b/.husky/pre-commit
@@ -1,4 +0,0 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
-bun run lint-staged
--- a/.jamignore
+++ b/.jamignore
@@ -0,0 +1,14 @@
+.*
+*.custom.*
+*.d.ts
+*.md
+*.txt
+build.js
+index.js
+bower.json
+build
+doc
+node_modules
+perf
+test
+vendor
--- a/.npmignore
+++ b/.npmignore
@@ -0,0 +1,23 @@
+.*
+*.custom.*
+*.d.ts
+*.md
+bower.json
+doc
+node_modules
+perf
+test
+vendor/*.gz
+vendor/backbone
+vendor/benchmark.js
+vendor/closure-compiler
+vendor/docdown
+vendor/firebug-lite
+vendor/jquery
+vendor/json3
+vendor/platform.js
+vendor/qunit
+vendor/qunit-clib
+vendor/requirejs
+vendor/uglifyjs
+vendor/underscore
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,5 +0,0 @@
-coverage/
-coverage-merged/
-dist/
-node_modules/
-types/
--- a/.prettierrc
+++ b/.prettierrc
@@ -1,6 +0,0 @@
-{
-  "printWidth": 100,
-  "useTabs": false,
-  "tabWidth": 4,
-  "singleQuote": true
-}
--- a/.travis.yml
+++ b/.travis.yml
@@ -0,0 +1,20 @@
+language: node_js
+node_js:
+  - 0.6
+  - 0.9
+env:
+  - TEST_COMMAND="phantomjs ./test/test.js ../dist/lodash.compat.js"
+  - TEST_COMMAND="phantomjs ./test/test.js ../dist/lodash.compat.min.js"
+  - TEST_COMMAND="node ./test/test.js ../dist/lodash.js"
+  - TEST_COMMAND="node ./test/test.js ../dist/lodash.min.js"
+  - TEST_COMMAND="node ./test/test-build.js --time-limit 49m30s"
+git:
+  depth: 1
+branches:
+  only:
+    - master
+before_script:
+  - "tar -xzvf vendor/closure-compiler.tar.gz -C vendor"
+  - "tar -xzvf vendor/uglifyjs.tar.gz -C vendor"
+script:
+  $TEST_COMMAND
--- a/1
+++ b/1
@@ -1 +0,0 @@
-https://github.com/lodash/lodash/wiki/Changelog
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -0,0 +1,35 @@
+# Contributing to Lo-Dash
+
+If you’d like to contribute a feature or bug fix, you can [fork](https://help.github.com/articles/fork-a-repo) Lo-Dash, commit your changes, and [send a pull request](https://help.github.com/articles/using-pull-requests).
+Please make sure to [search the issue tracker](https://github.com/bestiejs/lodash/issues) first; your issue may have already been discussed or fixed in `master`.
+
+## Tests
+
+Include updated unit tests in the `test` directory as part of your pull request.
+You can run the tests from the command line via `npm test`, or open `test/index.html` in a web browser.
+The `test/run-test.sh` script attempts to run the tests in [Rhino](https://developer.mozilla.org/en-US/docs/Rhino), [Narwhal](https://github.com/280north/narwhal), [RingoJS](http://ringojs.org/), [PhantomJS](http://phantomjs.org/), and [Node](http://nodejs.org/), before running them in your default browser.
+The [Backbone](http://backbonejs.org/) and [Underscore](http://http://underscorejs.org/) test suites are included as well.
+
+## Contributor License Agreement
+
+Lo-Dash 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 and method names concise and descriptive.<br>
+  Variable names `index`, `collection`, and `callback` are preferable to `i`, `arr`, and `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, and [JSDoc-style](http://www.2ality.com/2011/08/jsdoc-intro.html) comments for new methods.
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -0,0 +1,22 @@
+Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
+Based on Underscore.js 1.4.3, copyright 2009-2013 Jeremy Ashkenas,
+DocumentCloud Inc. <http://underscorejs.org/>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
--- a/README.md
+++ b/README.md
@@ -1,72 +1,281 @@
-# lodash
+# Lo-Dash <sup>v1.2.0</sup>

-[Site](https://lodash.com/) |
-[Docs](https://lodash.com/docs) |
-[Contributing](https://github.com/lodash/lodash/blob/master/.github/CONTRIBUTING.md) |
-[Wiki](https://github.com/lodash/lodash/wiki "Changelog, Roadmap, etc.") |
-[Code of Conduct](https://code-of-conduct.openjsf.org)
-
-The [Lodash](https://lodash.com/) library exported as a [UMD](https://github.com/umdjs/umd) module.
-
-```shell
-$ bun run build
-$ lodash -o ./dist/lodash.js
-$ lodash core -o ./dist/lodash.core.js
-```
+A low-level utility library delivering consistency, [customization](https://github.com/bestiejs/lodash#custom-builds), [performance](http://lodash.com/benchmarks), and [extra features](https://github.com/bestiejs/lodash#features).

 ## Download

- * [Core build](https://raw.githubusercontent.com/lodash/lodash/4.17.10-npm/core.js) ([~4 kB gzipped](https://raw.githubusercontent.com/lodash/lodash/4.17.10-npm/core.min.js))
- * [Full build](https://raw.githubusercontent.com/lodash/lodash/4.17.10-npm/lodash.js) ([~24 kB gzipped](https://raw.githubusercontent.com/lodash/lodash/4.17.10-npm/lodash.min.js))
- * [CDN copies](https://www.jsdelivr.com/projects/lodash) [![jsDelivr Hits](https://data.jsdelivr.com/v1/package/npm/lodash/badge)](https://www.jsdelivr.com/package/npm/lodash)
+* Lo-Dash builds (for modern environments):<br>
+[Development](https://raw.github.com/bestiejs/lodash/v1.2.0/dist/lodash.js) and
+[Production](https://raw.github.com/bestiejs/lodash/v1.2.0/dist/lodash.min.js)

-Lodash is released under the [MIT license](https://raw.githubusercontent.com/lodash/lodash/4.17.10-npm/LICENSE) & supports modern environments.<br>
-Review the [build differences](https://github.com/lodash/lodash/wiki/build-differences) & pick one that’s right for you.
+* Lo-Dash compatibility builds (for legacy and modern environments):<br>
+[Development](https://raw.github.com/bestiejs/lodash/v1.2.0/dist/lodash.compat.js) and
+[Production](https://raw.github.com/bestiejs/lodash/v1.2.0/dist/lodash.compat.min.js)

-## Installation
+* Underscore compatibility builds:<br>
+[Development](https://raw.github.com/bestiejs/lodash/v1.2.0/dist/lodash.underscore.js) and
+[Production](https://raw.github.com/bestiejs/lodash/v1.2.0/dist/lodash.underscore.min.js)
+
+* CDN copies of ≤ v1.2.0’s builds are available on [cdnjs](http://cdnjs.com/) thanks to [CloudFlare](http://www.cloudflare.com/):<br>
+[Lo-Dash dev](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.0/lodash.js),
+[Lo-Dash prod](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.0/lodash.min.js),<br>
+[Lo-Dash compat-dev](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.0/lodash.compat.js),
+[Lo-Dash compat-prod](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.0/lodash.compat.min.js),<br>
+[Underscore compat-dev](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.0/lodash.underscore.js), and
+[Underscore compat-prod](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.0/lodash.underscore.min.js)
+
+* For optimal file size, [create a custom build](https://github.com/bestiejs/lodash#custom-builds) with only the features you need
+
+## Dive in
+
+We’ve got [API docs](http://lodash.com/docs), [benchmarks](http://lodash.com/benchmarks), and [unit tests](http://lodash.com/tests).
+
+For a list of upcoming features, check out our [roadmap](https://github.com/bestiejs/lodash/wiki/Roadmap).
+
+## Resources
+
+For more information check out these articles, screencasts, and other videos over Lo-Dash:
+
+ * Posts
+  - [Say “Hello” to Lo-Dash](http://kitcambridge.be/blog/say-hello-to-lo-dash/)
+
+ * Videos
+  - [Introducing Lo-Dash](https://vimeo.com/44154599)
+  - [Lo-Dash optimizations and custom builds](https://vimeo.com/44154601)
+  - [Lo-Dash’s origin and why it’s a better utility belt](https://vimeo.com/44154600)
+  - [Unit testing in Lo-Dash](https://vimeo.com/45865290)
+  - [Lo-Dash’s approach to native method use](https://vimeo.com/48576012)
+  - [CascadiaJS: Lo-Dash for a better utility belt](http://www.youtube.com/watch?v=dpPy4f_SeEk)
+
+## Features
+
+ * AMD loader support ([RequireJS](http://requirejs.org/), [curl.js](https://github.com/cujojs/curl), etc.)
+ * [_(…)](http://lodash.com/docs#_) supports intuitive chaining
+ * [_.at](http://lodash.com/docs#at) for cherry-picking collection values
+ * [_.bindKey](http://lodash.com/docs#bindKey) for binding [*“lazy”* defined](http://michaux.ca/articles/lazy-function-definition-pattern) methods
+ * [_.cloneDeep](http://lodash.com/docs#cloneDeep) for deep cloning arrays and objects
+ * [_.contains](http://lodash.com/docs#contains) accepts a `fromIndex` argument
+ * [_.debounce](http://lodash.com/docs#debounce) and [_.throttle](http://lodash.com/docs#throttle) accept an `options` argument for more control
+ * [_.createCallback](http://lodash.com/docs#createCallback) to customize how callback arguments are handled and support callback shorthands in mixins
+ * [_.findIndex](http://lodash.com/docs#findIndex) and [_.findKey](http://lodash.com/docs#findKey) for finding indexes and keys of collections
+ * [_.forEach](http://lodash.com/docs#forEach) is chainable and supports exiting iteration early
+ * [_.forIn](http://lodash.com/docs#forIn) for iterating over an object’s own and inherited properties
+ * [_.forOwn](http://lodash.com/docs#forOwn) for iterating over an object’s own properties
+ * [_.isPlainObject](http://lodash.com/docs#isPlainObject) checks if values are created by the `Object` constructor
+ * [_.merge](http://lodash.com/docs#merge) for a deep [_.extend](http://lodash.com/docs#extend)
+ * [_.parseInt](http://lodash.com/docs#parseInt) for consistent cross-environment behavior
+ * [_.partial](http://lodash.com/docs#partial) and [_.partialRight](http://lodash.com/docs#partialRight) for partial application without `this` binding
+ * [_.runInContext](http://lodash.com/docs#runInContext) for easier mocking and extended environment support
+ * [_.support](http://lodash.com/docs#support) to flag environment features
+ * [_.template](http://lodash.com/docs#template) supports [*“imports”* options](http://lodash.com/docs#templateSettings_imports), [ES6 template delimiters](http://people.mozilla.org/~jorendorff/es6-draft.html#sec-7.8.6), and [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
+ * [_.unzip](http://lodash.com/docs#unzip) as the inverse of [_.zip](http://lodash.com/docs#zip)
+ * [_.where](http://lodash.com/docs#where) supports deep object comparisons
+ * [_.clone](http://lodash.com/docs#clone), [_.omit](http://lodash.com/docs#omit), [_.pick](http://lodash.com/docs#pick),
+   [and more…](http://lodash.com/docs "_.assign, _.cloneDeep, _.first, _.initial, _.isEqual, _.last, _.merge, _.rest") accept `callback` and `thisArg` arguments
+ * [_.contains](http://lodash.com/docs#contains), [_.size](http://lodash.com/docs#size), [_.toArray](http://lodash.com/docs#toArray),
+   [and more…](http://lodash.com/docs "_.at, _.countBy, _.every, _.filter, _.find, _.forEach, _.groupBy, _.invoke, _.map, _.max, _.min, _.pluck, _.reduce, _.reduceRight, _.reject, _.shuffle, _.some, _.sortBy, _.where") accept strings
+ * [_.filter](http://lodash.com/docs#filter), [_.find](http://lodash.com/docs#find), [_.map](http://lodash.com/docs#map),
+   [and more…](http://lodash.com/docs "_.countBy, _.every, _.first, _.groupBy, _.initial, _.last, _.max, _.min, _.reject, _.rest, _.some, _.sortBy, _.sortedIndex, _.uniq") support *“_.pluck”* and *“_.where”* `callback` shorthands
+
+## Support
+
+Lo-Dash has been tested in at least Chrome 5~26, Firefox 2~19, IE 6-10, Opera 9.25~12, Safari 3-6, Node.js 0.4.8-0.10.4, Narwhal 0.3.2, PhantomJS 1.9.0, RingoJS 0.9, and Rhino 1.7RC5.
+
+## Custom builds
+
+Custom builds make it easy to create lightweight versions of Lo-Dash containing only the methods you need.
+To top it off, we handle all method dependency and alias mapping for you.
+
+ * Backbone builds, with only methods required by Backbone, may be created using the `backbone` modifier argument.
+```bash
+lodash backbone
+```
+
+ * Legacy builds, tailored for older environments without [ES5 support](http://es5.github.com/), may be created using the `legacy` modifier argument.
+```bash
+lodash legacy
+```
+
+ * Modern builds, tailored for newer environments with ES5 support, may be created using the `modern` modifier argument.
+```bash
+lodash modern
+```
+
+ * Mobile builds, without method compilation and most bug fixes for old browsers, may be created using the `mobile` modifier argument.
+```bash
+lodash mobile
+```
+
+ * Strict builds, with `_.bindAll`, `_.defaults`, and `_.extend` in [strict mode](http://es5.github.com/#C), may be created using the `strict` modifier argument.
+```bash
+lodash strict
+```
+
+ * Underscore builds, tailored for projects already using Underscore, may be created using the `underscore` modifier argument.
+```bash
+lodash underscore
+```
+
+Custom builds may be created using the following commands:
+
+ * Use the `category` argument to pass comma separated categories of methods to include in the build.<br>
+   Valid categories (case-insensitive) are *“arrays”*, *“chaining”*, *“collections”*, *“functions”*, *“objects”*, and *“utilities”*.
+```bash
+lodash category=collections,functions
+lodash category="collections, functions"
+```
+
+ * Use the `exports` argument to pass comma separated names of ways to export the `LoDash` function.<br>
+   Valid exports are *“amd”*, *“commonjs”*, *“global”*, *“node”*, and *“none”*.
+```bash
+lodash exports=amd,commonjs,node
+lodash exports="amd, commonjs, node"
+```
+
+ * Use the `iife` argument to specify code to replace the immediately-invoked function expression that wraps Lo-Dash.
+```bash
+lodash iife="!function(window,undefined){%output%}(this)"
+```
+
+ * Use the `include` argument to pass comma separated method/category names to include in the build.
+```bash
+lodash include=each,filter,map
+lodash include="each, filter, map"
+```
+
+ * Use the `minus` argument to pass comma separated method/category names to remove from those included in the build.
+```bash
+lodash underscore minus=result,shuffle
+lodash underscore minus="result, shuffle"
+```
+
+ * Use the `plus` argument to pass comma separated method/category names to add to those included in the build.
+```bash
+lodash backbone plus=random,template
+lodash backbone plus="random, template"
+```
+
+ * Use the `template` argument to pass the file path pattern used to match template files to precompile.
+```bash
+lodash template="./*.jst"
+```
+
+ * Use the `settings` argument to pass the template settings used when precompiling templates.
+```bash
+lodash settings="{interpolate:/\{\{([\s\S]+?)\}\}/g}"
+```
+
+ * Use the `moduleId` argument to specify the AMD module ID of Lo-Dash, which defaults to “lodash”, used by precompiled templates.
+```bash
+lodash moduleId="underscore"
+```
+
+All arguments, except `legacy` with `mobile`, `modern`, or `underscore`, may be combined.<br>
+Unless specified by `-o` or `--output`, all files created are saved to the current working directory.
+
+The following options are also supported:
+
+ * `-c`, `--stdout` ......... Write output to standard output
+ * `-d`, `--debug` ........... Write only the non-minified development output
+ * `-h`, `--help` ............. Display help information
+ * `-m`, `--minify` ......... Write only the minified production output
+ * `-o`, `--output` ......... Write output to a given path/filename
+ * `-p`, `--source-map` .. Generate a source map for the minified output, using an optional source map URL
+ * `-s`, `--silent` ......... Skip status updates normally logged to the console
+ * `-V`, `--version` ....... Output current version of Lo-Dash
+
+The `lodash` command-line utility is available when Lo-Dash is installed as a global package (i.e. `npm install -g lodash`).
+
+## Installation and usage
+
+In browsers:

-In a browser:
 ```html
 <script src="lodash.js"></script>
 ```

-Using bun:
-```shell
-$ bun i lodash
+Using [`npm`](http://npmjs.org/):
+
+```bash
+npm install lodash
+
+npm install -g lodash
+npm link lodash
 ```

-In [Bun](https://bun.sh):
+To avoid potential issues, update `npm` before installing Lo-Dash:
+
+```bash
+npm install npm -g
+```
+
+In [Node.js](http://nodejs.org/) and [RingoJS ≥ v0.8.0](http://ringojs.org/):
+
 ```js
-// Load the full build.
 var _ = require('lodash');
-// Load the core build.
-var _ = require('lodash/core');
-// Load the FP build for immutable auto-curried iteratee-first data-last methods.
-var fp = require('lodash/fp');

-// Load method categories.
-var array = require('lodash/array');
-var object = require('lodash/fp/object');
-
-// Cherry-pick methods for smaller browserify/rollup/webpack bundles.
-var at = require('lodash/at');
-var curryN = require('lodash/fp/curryN');
+// or as a drop-in replacement for Underscore
+var _ = require('lodash/dist/lodash.underscore');
 ```

-Looking for Lodash modules written in ES6 or smaller bundle sizes? Check out [lodash-es](https://www.npmjs.com/package/lodash-es).
+**Note:** If Lo-Dash is installed globally, run [`npm link lodash`](http://blog.nodejs.org/2011/03/23/npm-1-0-global-vs-local-installation/) in your project’s root directory before requiring it.

-## Why Lodash?
+In [RingoJS ≤ v0.7.0](http://ringojs.org/):

-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:
+```js
+var _ = require('lodash')._;
+```

- * Iterating arrays, objects, & strings
- * Manipulating & testing values
- * Creating composite functions
+In [Rhino](http://www.mozilla.org/rhino/):

-## Module Formats
+```js
+load('lodash.js');
+```

-Lodash is available in a [variety of builds](https://lodash.com/custom-builds) & module formats.
+In an AMD loader like [RequireJS](http://requirejs.org/):

- * [lodash](https://www.npmjs.com/package/lodash) & [per method packages](https://www.npmjs.com/search?q=keywords:lodash-modularized)
- * [lodash-es](https://www.npmjs.com/package/lodash-es), [babel-plugin-lodash](https://www.npmjs.com/package/babel-plugin-lodash), & [lodash-webpack-plugin](https://www.npmjs.com/package/lodash-webpack-plugin)
+```js
+require({
+  'paths': {
+    'underscore': 'path/to/lodash'
+  }
+},
+['underscore'], function(_) {
+  console.log(_.VERSION);
+});
+```
+
+## Release Notes
+
+### <sup>v1.2.0</sup>
+
+ * Added Bower package support
+ * Added `_.unzip`
+ * Added an `options` argument to `_.debounce` and `_.throttle`
+ * Allowed non-`underscore` builds to include `_.findWhere` and `_.chain`
+ * Ensured *“Arrays”* and *“Objects”* category methods work with `arguments` objects and arrays respectively
+ * Ensured build utility runs on Windows
+ * Ensured `underscore` build versions of *“isType”* methods align with Underscore
+ * Ensured methods avoid issues with the `__proto__` property
+ * Ensured `_.merge` applies a `callback` to nested properties
+ * Ensured `_.merge` passes the correct `callback` arguments when comparing objects
+ * Made Lo-Dash work with Browserify
+ * Removed method compilation from the `modern`
+
+The full changelog is available [here](https://github.com/bestiejs/lodash/wiki/Changelog).
+
+## BestieJS
+
+Lo-Dash is part of the BestieJS *“Best in Class”* module collection. This means we promote solid browser/environment support, ES5+ precedents, unit testing, and plenty of documentation.
+
+## Author
+
+* [John-David Dalton](http://allyoucanleet.com/)
+  [![twitter/jdalton](http://gravatar.com/avatar/299a3d891ff1920b69c364d061007043?s=70)](https://twitter.com/jdalton "Follow @jdalton on Twitter")
+
+## Contributors
+
+* [Kit Cambridge](http://kitcambridge.github.com/)
+  [![twitter/kitcambridge](http://gravatar.com/avatar/6662a1d02f351b5ef2f8b4d815804661?s=70)](https://twitter.com/kitcambridge "Follow @kitcambridge on Twitter")
+* [Mathias Bynens](http://mathiasbynens.be/)
+  [![twitter/mathias](http://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter")
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -1,35 +0,0 @@
-# Security Policy
-
-## Supported versions
-
-The following table describes the versions of this project that are currently
-supported with security updates:
-
-| Version | Supported          |
-| ------- | ------------------ |
-| 4.x   | :white_check_mark:   |
-| 3.x   | :x:                  |
-| 2.x   | :x:                  |
-| 1.x   | :x:                  |
-
-## Responsible disclosure security policy
-
-A responsible disclosure policy helps protect users of the project from publicly
-disclosed security vulnerabilities without a fix by employing a process where
-vulnerabilities are first triaged in a private manner, and only publicly disclosed
-after a reasonable time period that allows patching the vulnerability and provides
-an upgrade path for users.
-
-We kindly ask you to refrain from malicious acts that put our users, the project,
-or any of the project’s team members at risk.
-
-## Reporting a security issue
-
-We consider the security of Lodash a top priority. But no matter how much effort
-we put into security, there can still be vulnerabilities present.
-
-If you discover a security vulnerability, please report the security issue
-directly to the Lodash maintainers through the Security tab of the Lodash
-repository.
-
-Your efforts to responsibly disclose your findings are sincerely appreciated.
--- a/bower.json
+++ b/bower.json
@@ -0,0 +1,20 @@
+{
+  "name": "lodash",
+  "version": "1.2.0",
+  "main": "./lodash.js",
+  "ignore": [
+    ".*",
+    "*.custom.*",
+    "*.d.ts",
+    "*.md",
+    "*.txt",
+    "build.js",
+    "index.js",
+    "build",
+    "doc",
+    "node_modules",
+    "perf",
+    "test",
+    "vendor"
+  ]
+}
--- a/build.js
+++ b/build.js
--- a/build/minify.js
+++ b/build/minify.js
@@ -0,0 +1,759 @@
+#!/usr/bin/env node
+;(function() {
+  'use strict';
+
+  /** Load Node.js modules */
+  var https = require('https'),
+      spawn = require('child_process').spawn,
+      zlib = require('zlib');
+
+  /** Load other modules */
+  var _ = require('../lodash.js'),
+      preprocess = require('./pre-compile.js'),
+      postprocess = require('./post-compile.js'),
+      tar = require('../vendor/tar/tar.js'),
+      util = require('./util.js');
+
+  /** Module shortcuts */
+  var fs = util.fs,
+      path = util.path;
+
+  /** The Git object ID of `closure-compiler.tar.gz` */
+  var closureId = 'fe7665b9fb2378ffaf9e3985268e20e5c72e35fd';
+
+  /** The Git object ID of `uglifyjs.tar.gz` */
+  var uglifyId = '3658629b8c7ae2e686f69eadd788ed792a23f4c6';
+
+  /** The path of the directory that is the base of the repository */
+  var basePath = fs.realpathSync(path.join(__dirname, '..'));
+
+  /** The path of the `vendor` directory */
+  var vendorPath = path.join(basePath, 'vendor');
+
+  /** The path to the Closure Compiler `.jar` */
+  var closurePath = path.join(vendorPath, 'closure-compiler', 'compiler.jar');
+
+  /** The path to the UglifyJS module */
+  var uglifyPath = path.join(vendorPath, 'uglifyjs', 'tools', 'node.js');
+
+  /** The Closure Compiler command-line options */
+  var closureOptions = ['--warning_level=QUIET'];
+
+  /** The media type for raw blob data */
+  var mediaType = 'application/vnd.github.v3.raw';
+
+  /** Used to detect the Node.js executable in command-line arguments */
+  var reNode = RegExp('(?:^|' + path.sepEscaped + ')node(?:\\.exe)?$');
+
+  /** Used to reference parts of the blob href */
+  var location = (function() {
+    var host = 'api.github.com',
+        origin = 'https://api.github.com',
+        pathname = '/repos/bestiejs/lodash/git/blobs';
+
+    return {
+      'host': host,
+      'href': origin + pathname,
+      'origin': origin,
+      'pathname': pathname
+    };
+  }());
+
+  /** The Closure Compiler optimization modes */
+  var optimizationModes = {
+    'simple': 'SIMPLE_OPTIMIZATIONS',
+    'advanced': 'ADVANCED_OPTIMIZATIONS'
+  };
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Minifies a given Lo-Dash `source` and invokes the `options.onComplete`
+   * callback when finished. The `onComplete` callback is invoked with one
+   * argument; (outputSource).
+   *
+   * @param {Array|String} [source=''] The source to minify or array of commands.
+   *  -o, --output - Write output to a given path/filename.
+   *  -s, --silent - Skip status updates normally logged to the console.
+   *  -t, --template - Applies template specific minifier options.
+   *
+   * @param {Object} [options={}] The options object.
+   *  outputPath - Write output to a given path/filename.
+   *  isSilent - Skip status updates normally logged to the console.
+   *  isTemplate - Applies template specific minifier options.
+   *  onComplete - The function called once minification has finished.
+   */
+  function minify(source, options) {
+    // used to specify the source map URL
+    var sourceMapURL;
+
+    // used to specify the default minifer modes
+    var modes = ['simple', 'advanced', 'hybrid'];
+
+    source || (source = '');
+    options || (options = {});
+
+    // juggle arguments
+    if (Array.isArray(source)) {
+      // convert commands to an options object
+      options = source;
+
+      // used to report invalid command-line arguments
+      var invalidArgs = _.reject(options.slice(reNode.test(options[0]) ? 2 : 0), function(value, index, options) {
+        if (/^(?:-o|--output)$/.test(options[index - 1]) ||
+            /^modes=.*$/.test(value)) {
+          return true;
+        }
+        var result = [
+          '-o', '--output',
+          '-p', '--source-map',
+          '-s', '--silent',
+          '-t', '--template'
+        ].indexOf(value) > -1;
+
+        if (!result && /^(?:-p|--source-map)$/.test(options[index - 1])) {
+          result = true;
+          sourceMapURL = value;
+        }
+        return result;
+      });
+
+      // report invalid arguments
+      if (invalidArgs.length) {
+        console.log(
+          '\n' +
+          'Invalid argument' + (invalidArgs.length > 1 ? 's' : '') +
+          ' passed: ' + invalidArgs.join(', ')
+        );
+        return;
+      }
+      var filePath = options[options.length - 1],
+          isMapped = _.contains(options, '-p') || _.contains(options, '--source-map'),
+          isSilent = _.contains(options, '-s') || _.contains(options, '--silent'),
+          isTemplate = _.contains(options, '-t') || _.contains(options, '--template'),
+          outputPath = path.join(path.dirname(filePath), path.basename(filePath, '.js') + '.min.js');
+
+      modes = options.reduce(function(result, value) {
+        var match = value.match(/modes=(.*)$/);
+        return match ? match[1].split(/, */) : result;
+      }, modes);
+
+      outputPath = options.reduce(function(result, value, index) {
+        if (/-o|--output/.test(value)) {
+          result = options[index + 1];
+          var dirname = path.dirname(result);
+          fs.mkdirpSync(dirname);
+          result = path.join(fs.realpathSync(dirname), path.basename(result));
+        }
+        return result;
+      }, outputPath);
+
+      options = {
+        'filePath': filePath,
+        'isMapped': isMapped,
+        'isSilent': isSilent,
+        'isTemplate': isTemplate,
+        'modes': modes,
+        'outputPath': outputPath,
+        'sourceMapURL': sourceMapURL
+      };
+
+      source = fs.readFileSync(filePath, 'utf8');
+    }
+
+    modes = options.modes || modes;
+    if (options.isMapped) {
+      modes = modes.filter(function(mode) {
+        return mode != 'hybrid';
+      });
+    }
+    if (options.isTemplate) {
+      modes = modes.filter(function(mode) {
+        return mode != 'advanced';
+      });
+    }
+    options.modes = modes;
+
+    // fetch the Closure Compiler
+    getDependency({
+      'id': 'closure-compiler',
+      'hashId': closureId,
+      'path': vendorPath,
+      'title': 'the Closure Compiler',
+      'onComplete': function(exception) {
+        var error = exception;
+
+        // fetch UglifyJS
+        getDependency({
+          'id': 'uglifyjs',
+          'hashId': uglifyId,
+          'title': 'UglifyJS',
+          'path': vendorPath,
+          'onComplete': function(exception) {
+            error || (error = exception);
+            if (!error) {
+              new Minify(source, options);
+            }
+          }
+        });
+      }
+    });
+  }
+
+  /**
+   * The Minify constructor used to keep state of each `minify` invocation.
+   *
+   * @private
+   * @constructor
+   * @param {String} source The source to minify.
+   * @param {Object} options The options object.
+   *  outputPath - Write output to a given path/filename.
+   *  isSilent - Skip status updates normally logged to the console.
+   *  isTemplate - Applies template specific minifier options.
+   *  onComplete - The function called once minification has finished.
+   */
+  function Minify(source, options) {
+    // juggle arguments
+    if (typeof source == 'object' && source) {
+      options = source || options;
+      source = options.source || '';
+    }
+    this.compiled = { 'simple': {}, 'advanced': {} };
+    this.hybrid = { 'simple': {}, 'advanced': {} };
+    this.uglified = {};
+
+    this.filePath = options.filePath;
+    this.isMapped = !!options.isMapped;
+    this.isSilent = !!options.isSilent;
+    this.isTemplate = !!options.isTemplate;
+    this.outputPath = options.outputPath;
+    this.sourceMapURL = options.sourceMapURL;
+
+    var modes = this.modes = options.modes;
+    source = this.source = preprocess(source, options);
+
+    this.onComplete = options.onComplete || function(data) {
+      var outputPath = this.outputPath,
+          sourceMap = data.sourceMap;
+
+      fs.writeFileSync(outputPath, data.source, 'utf8');
+      if (sourceMap) {
+        fs.writeFileSync(getMapPath(outputPath), sourceMap, 'utf8');
+      }
+    };
+
+    // begin the minification process
+    if (_.contains(modes, 'simple')) {
+      closureCompile.call(this, source, 'simple', onClosureSimpleCompile.bind(this));
+    } else if (_.contains(modes, 'advanced')) {
+      onClosureSimpleGzip.call(this);
+    } else {
+      onClosureAdvancedGzip.call(this);
+    }
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Fetches a required `.tar.gz` dependency with the given Git object ID from
+   * the Lo-Dash repo on GitHub. The object ID may be obtained by running
+   * `git hash-object path/to/dependency.tar.gz`.
+   *
+   * @private
+   * @param {Object} options The options object.
+   *  id - The Git object ID of the `.tar.gz` file.
+   *  onComplete - The function called once the extraction has finished.
+   *  path - The path of the extraction directory.
+   *  title - The dependency's title used in status updates logged to the console.
+   */
+  function getDependency(options) {
+    options || (options = {});
+
+    var ran,
+        destPath = options.path,
+        hashId = options.hashId,
+        id = options.id,
+        onComplete = options.onComplete,
+        title = options.title;
+
+    // exit early if dependency exists
+    if (fs.existsSync(path.join(destPath, id))) {
+      onComplete();
+      return;
+    }
+    var callback = function(exception) {
+      if (ran) {
+        return;
+      }
+      if (exception) {
+        console.error([
+          'There was a problem installing ' + title + '.',
+          'Try running the command as root, via `sudo`, or manually install by running:',
+          '',
+          "curl -H 'Accept: " + mediaType + "' " + location.href + '/' + hashId + " | tar xvz -C '" + destPath + "'",
+          ''
+        ].join('\n'));
+      }
+      ran = true;
+      process.removeListener('uncaughtException', callback);
+      onComplete(exception);
+    };
+
+    console.log('Downloading ' + title + '...');
+    process.on('uncaughtException', callback);
+
+    https.get({
+      'host': location.host,
+      'path': location.pathname + '/' + hashId,
+      'headers': {
+        // By default, all GitHub blob API endpoints return a JSON document
+        // containing Base64-encoded blob data. Overriding the `Accept` header
+        // with the GitHub raw media type returns the blob data directly.
+        // See http://developer.github.com/v3/media/.
+        'Accept': mediaType
+      }
+    }, function(response) {
+      var decompressor = zlib.createUnzip(),
+          parser = new tar.Extract({ 'path': destPath });
+
+      parser.on('end', callback);
+      response.pipe(decompressor).pipe(parser);
+    });
+  }
+
+  /**
+   * Resolves the source map path from the given output path.
+   *
+   * @private
+   * @param {String} outputPath The output path.
+   * @returns {String} Returns the source map path.
+   */
+  function getMapPath(outputPath) {
+    return path.join(path.dirname(outputPath), path.basename(outputPath, '.js') + '.map');
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Compresses a `source` string using the Closure Compiler. Yields the
+   * minified result, and any exceptions encountered, to a `callback` function.
+   *
+   * @private
+   * @param {String} source The JavaScript source to minify.
+   * @param {String} mode The optimization mode.
+   * @param {Function} callback The function called once the process has completed.
+   */
+  function closureCompile(source, mode, callback) {
+    var filePath = this.filePath,
+        isAdvanced = mode == 'advanced',
+        isMapped = this.isMapped,
+        options = closureOptions.slice(),
+        outputPath = this.outputPath,
+        mapPath = getMapPath(outputPath),
+        sourceMapURL = this.sourceMapURL || path.basename(mapPath);
+
+    // remove copyright header to make other modifications easier
+    var license = (/^(?:\s*\/\/.*\s*|\s*\/\*[^*]*\*+(?:[^\/][^*]*\*+)*\/\s*)*/.exec(source) || [''])[0];
+    if (license) {
+      source = source.replace(license, '');
+    }
+
+    var hasIIFE = /^;?\(function[^{]+{/.test(source),
+        isStrict = hasIIFE && /^;?\(function[^{]+{\s*["']use strict["']/.test(source);
+
+    // to avoid stripping the IIFE, convert it to a function call
+    if (hasIIFE && isAdvanced) {
+      source = source
+        .replace(/\(function/, '__iife__$&')
+        .replace(/\(this\)\)([\s;]*(\n\/\/.+)?)$/, ', this)$1');
+    }
+
+    options.push('--compilation_level=' + optimizationModes[mode]);
+    if (isMapped) {
+      options.push('--create_source_map=' + mapPath, '--source_map_format=V3');
+    }
+
+    var compiler = spawn('java', ['-jar', closurePath].concat(options));
+    if (!this.isSilent) {
+      console.log('Compressing ' + path.basename(outputPath, '.js') + ' using the Closure Compiler (' + mode + ')...');
+    }
+
+    var error = '';
+    compiler.stderr.on('data', function(data) {
+      error += data;
+    });
+
+    var output = '';
+    compiler.stdout.on('data', function(data) {
+      output += data;
+    });
+
+    compiler.on('exit', function(status) {
+      // `status` contains the process exit code
+      if (status) {
+        var exception = new Error(error);
+        exception.status = status;
+      }
+      // restore IIFE and move exposed vars inside the IIFE
+      if (hasIIFE && isAdvanced) {
+        output = output
+          .replace(/__iife__\(/, '(')
+          .replace(/,\s*this\)([\s;]*(\n\/\/.+)?)$/, '(this))$1')
+          .replace(/^((?:var (?:\w+=(?:!0|!1|null)[,;])+)?)([\s\S]*?function[^{]+{)/, '$2$1');
+      }
+      // inject "use strict" directive
+      if (isStrict) {
+        output = output.replace(/^[\s\S]*?function[^{]+{/, '$&"use strict";');
+      }
+      // restore copyright header
+      if (license) {
+        output = license + output;
+      }
+      if (isMapped) {
+        var mapOutput = fs.readFileSync(mapPath, 'utf8');
+        fs.unlinkSync(mapPath);
+        output = output.replace(/[\s;]*$/, '\n/*\n//@ sourceMappingURL=' + sourceMapURL) + '\n*/';
+
+        mapOutput = JSON.parse(mapOutput);
+        mapOutput.file = path.basename(outputPath);
+        mapOutput.sources = [path.basename(filePath)];
+        mapOutput = JSON.stringify(mapOutput, null, 2);
+      }
+      callback(exception, output, mapOutput);
+    });
+
+    // proxy the standard input to the Closure Compiler
+    compiler.stdin.end(source);
+  }
+
+  /**
+   * Compresses a `source` string using UglifyJS. Yields the result to a
+   * `callback` function. This function is synchronous; the `callback` is used
+   * for symmetry.
+   *
+   * @private
+   * @param {String} source The JavaScript source to minify.
+   * @param {String} label The label to log.
+   * @param {Function} callback The function called once the process has completed.
+   */
+  function uglify(source, label, callback) {
+    if (!this.isSilent) {
+      console.log('Compressing ' + path.basename(this.outputPath, '.js') + ' using ' + label + '...');
+    }
+    try {
+      var uglifyJS = require(uglifyPath);
+
+      // 1. parse
+      var toplevel = uglifyJS.parse(source);
+
+      // 2. compress
+      // enable unsafe comparisons
+      toplevel.figure_out_scope();
+      toplevel = toplevel.transform(uglifyJS.Compressor({
+        'comparisons': false,
+        'unsafe': true,
+        'unsafe_comps': true,
+        'warnings': false
+      }));
+
+      // 3. mangle
+      // excluding the `define` function exposed by AMD loaders
+      toplevel.figure_out_scope();
+      toplevel.compute_char_frequency();
+      toplevel.mangle_names({
+        'except': ['define']
+      });
+
+      // 4. output
+      // restrict lines to 500 characters for consistency with the Closure Compiler
+      var stream = uglifyJS.OutputStream({
+        'ascii_only': true,
+        'comments': /@cc_on|@license|@preserve/i,
+        'max_line_len': 500,
+      });
+
+      toplevel.print(stream);
+    }
+    catch(e) {
+      var exception = e;
+    }
+    callback(exception, stream && String(stream));
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * The Closure Compiler callback for simple optimizations.
+   *
+   * @private
+   * @param {Object|Undefined} exception The error object.
+   * @param {String} result The resulting minified source.
+   * @param {String} map The source map output.
+   */
+  function onClosureSimpleCompile(exception, result, map) {
+    if (exception) {
+      throw exception;
+    }
+    result = postprocess(result);
+
+    var simple = this.compiled.simple;
+    simple.source = result;
+    simple.sourceMap = map;
+    zlib.gzip(result, onClosureSimpleGzip.bind(this));
+  }
+
+  /**
+   * The Closure Compiler `gzip` callback for simple optimizations.
+   *
+   * @private
+   * @param {Object|Undefined} exception The error object.
+   * @param {Buffer} result The resulting gzipped source.
+   */
+  function onClosureSimpleGzip(exception, result) {
+    if (exception) {
+      throw exception;
+    }
+    if (result != null) {
+      if (!this.isSilent) {
+        console.log('Done. Size: %d bytes.', result.length);
+      }
+      this.compiled.simple.gzip = result;
+    }
+    // compile the source using advanced optimizations
+    if (_.contains(this.modes, 'advanced')) {
+      closureCompile.call(this, this.source, 'advanced', onClosureAdvancedCompile.bind(this));
+    } else {
+      onClosureAdvancedGzip.call(this);
+    }
+  }
+
+  /**
+   * The Closure Compiler callback for advanced optimizations.
+   *
+   * @private
+   * @param {Object|Undefined} exception The error object.
+   * @param {String} result The resulting minified source.
+   * @param {String} map The source map output.
+   */
+  function onClosureAdvancedCompile(exception, result, map) {
+    if (exception) {
+      throw exception;
+    }
+    result = postprocess(result);
+
+    var advanced = this.compiled.advanced;
+    advanced.source = result;
+    advanced.sourceMap = map;
+    zlib.gzip(result, onClosureAdvancedGzip.bind(this));
+  }
+
+  /**
+   * The Closure Compiler `gzip` callback for advanced optimizations.
+   *
+   * @private
+   * @param {Object|Undefined} exception The error object.
+   * @param {Buffer} result The resulting gzipped source.
+   */
+  function onClosureAdvancedGzip(exception, result) {
+    if (exception) {
+      throw exception;
+    }
+    if (result != null) {
+      if (!this.isSilent) {
+        console.log('Done. Size: %d bytes.', result.length);
+      }
+      this.compiled.advanced.gzip = result;
+    }
+    // minify the source using UglifyJS
+    if (!this.isMapped) {
+      uglify.call(this, this.source, 'UglifyJS', onUglify.bind(this));
+    } else {
+      onComplete.call(this);
+    }
+  }
+
+  /**
+   * The UglifyJS callback.
+   *
+   * @private
+   * @param {Object|Undefined} exception The error object.
+   * @param {String} result The resulting minified source.
+   */
+  function onUglify(exception, result) {
+    if (exception) {
+      throw exception;
+    }
+    result = postprocess(result);
+    this.uglified.source = result;
+    zlib.gzip(result, onUglifyGzip.bind(this));
+  }
+
+  /**
+   * The UglifyJS `gzip` callback.
+   *
+   * @private
+   * @param {Object|Undefined} exception The error object.
+   * @param {Buffer} result The resulting gzipped source.
+   */
+  function onUglifyGzip(exception, result) {
+    if (exception) {
+      throw exception;
+    }
+    if (result != null) {
+      if (!this.isSilent) {
+        console.log('Done. Size: %d bytes.', result.length);
+      }
+      this.uglified.gzip = result;
+    }
+    // minify the already Closure Compiler simple optimized source using UglifyJS
+    var modes = this.modes;
+    if (_.contains(modes, 'hybrid')) {
+      if (_.contains(modes, 'simple')) {
+        uglify.call(this, this.compiled.simple.source, 'hybrid (simple)', onSimpleHybrid.bind(this));
+      } else if (_.contains(modes, 'advanced')) {
+        onSimpleHybridGzip.call(this);
+      }
+    } else {
+      onComplete.call(this);
+    }
+  }
+
+  /**
+   * The hybrid callback for simple optimizations.
+   *
+   * @private
+   * @param {Object|Undefined} exception The error object.
+   * @param {String} result The resulting minified source.
+   */
+  function onSimpleHybrid(exception, result) {
+    if (exception) {
+      throw exception;
+    }
+    result = postprocess(result);
+    this.hybrid.simple.source = result;
+    zlib.gzip(result, onSimpleHybridGzip.bind(this));
+  }
+
+  /**
+   * The hybrid `gzip` callback for simple optimizations.
+   *
+   * @private
+   * @param {Object|Undefined} exception The error object.
+   * @param {Buffer} result The resulting gzipped source.
+   */
+  function onSimpleHybridGzip(exception, result) {
+    if (exception) {
+      throw exception;
+    }
+    if (result != null) {
+      if (!this.isSilent) {
+        console.log('Done. Size: %d bytes.', result.length);
+      }
+      this.hybrid.simple.gzip = result;
+    }
+    // minify the already Closure Compiler advance optimized source using UglifyJS
+    if (_.contains(this.modes, 'advanced')) {
+      uglify.call(this, this.compiled.advanced.source, 'hybrid (advanced)', onAdvancedHybrid.bind(this));
+    } else {
+      onComplete.call(this);
+    }
+  }
+
+  /**
+   * The hybrid callback for advanced optimizations.
+   *
+   * @private
+   * @param {Object|Undefined} exception The error object.
+   * @param {String} result The resulting minified source.
+   */
+  function onAdvancedHybrid(exception, result) {
+    if (exception) {
+      throw exception;
+    }
+    result = postprocess(result);
+    this.hybrid.advanced.source = result;
+    zlib.gzip(result, onAdvancedHybridGzip.bind(this));
+  }
+
+  /**
+   * The hybrid `gzip` callback for advanced optimizations.
+   *
+   * @private
+   * @param {Object|Undefined} exception The error object.
+   * @param {Buffer} result The resulting gzipped source.
+   */
+  function onAdvancedHybridGzip(exception, result) {
+    if (exception) {
+      throw exception;
+    }
+    if (result != null) {
+      if (!this.isSilent) {
+        console.log('Done. Size: %d bytes.', result.length);
+      }
+      this.hybrid.advanced.gzip = result;
+    }
+    // finish by choosing the smallest compressed file
+    onComplete.call(this);
+  }
+
+  /**
+   * The callback executed after the source is minified and gzipped.
+   *
+   * @private
+   */
+  function onComplete() {
+    var compiledSimple = this.compiled.simple,
+        compiledAdvanced = this.compiled.advanced,
+        uglified = this.uglified,
+        hybridSimple = this.hybrid.simple,
+        hybridAdvanced = this.hybrid.advanced;
+
+    var objects = [
+      compiledSimple,
+      compiledAdvanced,
+      uglified,
+      hybridSimple,
+      hybridAdvanced
+    ];
+
+    var gzips = objects
+      .map(function(data) { return data.gzip; })
+      .filter(Boolean);
+
+    // select the smallest gzipped file and use its minified counterpart as the
+    // official minified release (ties go to the Closure Compiler)
+    var min = gzips.reduce(function(min, gzip) {
+      var length = gzip.length;
+      return min > length ? length : min;
+    }, Infinity);
+
+    // pass the minified source to the "onComplete" callback
+    objects.some(function(data) {
+      var gzip = data.gzip;
+      if (gzip && gzip.length == min) {
+        data.outputPath = this.outputPath;
+        this.onComplete(data);
+        return true;
+      }
+    }, this);
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  // expose `minify`
+  if (module != require.main) {
+    module.exports = minify;
+  }
+  else {
+    // read the Lo-Dash source file from the first argument if the script
+    // was invoked directly (e.g. `node minify.js source.js`) and write to
+    // `<filename>.min.js`
+    (function() {
+      var options = process.argv;
+      if (options.length < 3) {
+        return;
+      }
+      minify(options);
+    }());
+  }
+}());
--- a/build/post-compile.js
+++ b/build/post-compile.js
@@ -0,0 +1,77 @@
+#!/usr/bin/env node
+;(function() {
+  'use strict';
+
+  /** The Node.js filesystem module */
+  var fs = require('fs');
+
+  /** The minimal license/copyright template */
+  var licenseTemplate = [
+    '/**',
+    ' * @license',
+    ' * Lo-Dash <%= VERSION %> lodash.com/license',
+    ' * Underscore.js 1.4.4 underscorejs.org/LICENSE',
+    ' */'
+  ].join('\n');
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Post-process a given minified Lo-Dash `source`, preparing it for
+   * deployment.
+   *
+   * @param {String} source The source to process.
+   * @returns {String} Returns the processed source.
+   */
+  function postprocess(source) {
+    // remove copyright header
+    source = source.replace(/^\/\**[\s\S]+?\*\/\n/, '');
+
+    // correct overly aggressive Closure Compiler advanced optimization
+    source = source.replace(/(document[^&]+&&)\s*(?:\w+|!\d)/, '$1!({toString:0}+"")');
+
+    // flip `typeof` expressions to help optimize Safari and
+    // correct the AMD module definition for AMD build optimizers
+    // (e.g. from `"number" == typeof x` to `typeof x == "number")
+    source = source.replace(/(\w)?("[^"]+")\s*([!=]=)\s*(typeof(?:\s*\([^)]+\)|\s+[.\w]+(?!\[)))/g, function(match, other, type, equality, expression) {
+      return (other ? other + ' ' : '') + expression + equality + type;
+    });
+
+    // add trailing semicolon
+    if (source) {
+      source = source.replace(/[\s;]*?(\s*\/\/.*\s*|\s*\/\*[^*]*\*+(?:[^\/][^*]*\*+)*\/\s*)*$/, ';$1');
+    }
+    // exit early if version snippet isn't found
+    var snippet = /VERSION\s*[=:]\s*([\'"])(.*?)\1/.exec(source);
+    if (!snippet) {
+      return source;
+    }
+    // add new copyright header
+    var version = snippet[2];
+    source = licenseTemplate.replace('<%= VERSION %>', version) + '\n;' + source;
+
+    return source;
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  // expose `postprocess`
+  if (module != require.main) {
+    module.exports = postprocess;
+  }
+  else {
+    // read the Lo-Dash source file from the first argument if the script
+    // was invoked directly (e.g. `node post-compile.js source.js`) and write to
+    // the same file
+    (function() {
+      var options = process.argv;
+      if (options.length < 3) {
+        return;
+      }
+      var filePath = options[options.length - 1],
+          source = fs.readFileSync(filePath, 'utf8');
+
+      fs.writeFileSync(filePath, postprocess(source), 'utf8');
+    }());
+  }
+}());
--- a/build/pre-compile.js
+++ b/build/pre-compile.js
@@ -0,0 +1,420 @@
+#!/usr/bin/env node
+;(function() {
+  'use strict';
+
+  /** The Node.js filesystem module */
+  var fs = require('fs');
+
+  /** Used to minify variables embedded in compiled strings */
+  var compiledVars = [
+    'args',
+    'argsIndex',
+    'argsLength',
+    'callback',
+    'collection',
+    'ctor',
+    'guard',
+    'hasOwnProperty',
+    'index',
+    'isArguments',
+    'isArray',
+    'isString',
+    'iterable',
+    'length',
+    'keys',
+    'lodash',
+    'object',
+    'objectTypes',
+    'ownIndex',
+    'ownProps',
+    'result',
+    'skipProto',
+    'source',
+    'thisArg'
+  ];
+
+  /** Used to minify `iteratorTemplate` data properties */
+  var iteratorOptions = [
+    'args',
+    'arrays',
+    'bottom',
+    'firstArg',
+    'init',
+    'loop',
+    'shadowedProps',
+    'top',
+    'useHas',
+    'useKeys'
+  ];
+
+  /** Used to minify variables and string values to a single character */
+  var minNames = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'.split('');
+  minNames.push.apply(minNames, minNames.map(function(value) {
+    return value + value;
+  }));
+
+  /** Used to protect the specified properties from getting minified */
+  var propWhitelist = [
+    'Array',
+    'Boolean',
+    'Date',
+    'Function',
+    'Math',
+    'Number',
+    'Object',
+    'RegExp',
+    'String',
+    'TypeError',
+    'VERSION',
+    '_',
+    '__wrapped__',
+    'after',
+    'all',
+    'amd',
+    'any',
+    'argsClass',
+    'argsObject',
+    'assign',
+    'at',
+    'attachEvent',
+    'bind',
+    'bindAll',
+    'bindKey',
+    'clearTimeout',
+    'clone',
+    'cloneDeep',
+    'collect',
+    'compact',
+    'compose',
+    'contains',
+    'countBy',
+    'createCallback',
+    'criteria',
+    'debounce',
+    'defaults',
+    'defer',
+    'delay',
+    'detect',
+    'difference',
+    'drop',
+    'each',
+    'enumPrototypes',
+    'environment',
+    'escape',
+    'evaluate',
+    'every',
+    'exports',
+    'extend',
+    'fastBind',
+    'fastKeys',
+    'filter',
+    'find',
+    'findIndex',
+    'findKey',
+    'first',
+    'flatten',
+    'foldl',
+    'foldr',
+    'forEach',
+    'forIn',
+    'forOwn',
+    'functions',
+    'global',
+    'groupBy',
+    'has',
+    'head',
+    'identity',
+    'imports',
+    'include',
+    'index',
+    'indexOf',
+    'initial',
+    'inject',
+    'interpolate',
+    'intersection',
+    'invert',
+    'invoke',
+    'isArguments',
+    'isArray',
+    'isBoolean',
+    'isDate',
+    'isElement',
+    'isEmpty',
+    'isEqual',
+    'isEqual',
+    'isFinite',
+    'isFinite',
+    'isFunction',
+    'isNaN',
+    'isNull',
+    'isNumber',
+    'isObject',
+    'isPlainObject',
+    'isRegExp',
+    'isString',
+    'isUndefined',
+    'keys',
+    'last',
+    'lastIndexOf',
+    'leading',
+    'map',
+    'max',
+    'memoize',
+    'merge',
+    'methods',
+    'min',
+    'mixin',
+    'noConflict',
+    'nodeClass',
+    'nonEnumArgs',
+    'nonEnumShadows',
+    'object',
+    'omit',
+    'once',
+    'ownLast',
+    'pairs',
+    'parseInt',
+    'partial',
+    'partialRight',
+    'pick',
+    'pluck',
+    'random',
+    'range',
+    'reduce',
+    'reduceRight',
+    'reject',
+    'rest',
+    'result',
+    'runInContext',
+    'select',
+    'setImmediate',
+    'setTimeout',
+    'shuffle',
+    'size',
+    'some',
+    'sortBy',
+    'sortedIndex',
+    'source',
+    'spliceObjects',
+    'support',
+    'tail',
+    'take',
+    'tap',
+    'template',
+    'templateSettings',
+    'throttle',
+    'times',
+    'toArray',
+    'trailing',
+    'unescape',
+    'unindexedChars',
+    'union',
+    'uniq',
+    'unique',
+    'uniqueId',
+    'unzip',
+    'value',
+    'values',
+    'variable',
+    'where',
+    'window',
+    'without',
+    'wrap',
+    'zip',
+    'zipObject',
+
+    // properties used by the `backbone` and `underscore` builds
+    '__chain__',
+    'chain',
+    'findWhere'
+  ];
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Pre-process a given Lo-Dash `source`, preparing it for minification.
+   *
+   * @param {String} [source=''] The source to process.
+   * @param {Object} [options={}] The options object.
+   * @returns {String} Returns the processed source.
+   */
+  function preprocess(source, options) {
+    source || (source = '');
+    options || (options = {});
+
+    // remove unrecognized JSDoc tags so the Closure Compiler won't complain
+    source = source.replace(/@(?:alias|category)\b.*/g, '');
+
+    if (options.isTemplate) {
+      return source;
+    }
+    // add brackets to whitelisted properties so the Closure Compiler won't mung them
+    // http://code.google.com/closure/compiler/docs/api-tutorial3.html#export
+    source = source.replace(RegExp('\\.(' + propWhitelist.join('|') + ')\\b', 'g'), function(match, prop) {
+      return "['" + prop.replace(/['\n\r\t]/g, '\\$&') + "']";
+    });
+
+    // remove brackets from `lodash.createCallback` in `eachIteratorOptions`
+    source = source.replace('lodash[\'createCallback\'](callback, thisArg)"', 'lodash.createCallback(callback, thisArg)"');
+
+    // remove brackets from `lodash.createCallback` in `_.assign`
+    source = source.replace("'  var callback = lodash['createCallback']", "'var callback=lodash.createCallback");
+
+    // remove brackets from `_.escape` in `_.template`
+    source = source.replace(/__e *= *_\['escape']/g, '__e=_.escape');
+
+    // remove brackets from `collection.indexOf` in `_.contains`
+    source = source.replace("collection['indexOf'](target)", 'collection.indexOf(target)');
+
+    // remove brackets from `result[length].value` in `_.sortBy`
+    source = source.replace("result[length]['value']", 'result[length].value');
+
+    // remove whitespace from string literals
+    source = source.replace(/^((?:[ "'\w]+:)? *)"[^"\\\n]*(?:\\.[^"\\\n]*)*"|'[^'\\\n]*(?:\\.[^'\\\n]*)*'/gm, function(string, left) {
+      // clip after an object literal property name or leading spaces
+      if (left) {
+        string = string.slice(left.length);
+      }
+      // avoids removing the '\n' of the `stringEscapes` object
+      string = string.replace(/\[object |delete |else (?!{)|function | in |return\s+[\w"']|throw |typeof |use strict|var |@ |(["'])\\n\1|\\\\n|\\n|\s+/g, function(match) {
+        return match == false || match == '\\n' ? '' : match;
+      });
+      // unclip
+      return (left || '') + string;
+    });
+
+    // remove whitespace from `_.template` related regexes
+    source = source.replace(/reEmptyString\w+ *=.+/g, function(match) {
+      return match.replace(/ |\\n/g, '');
+    });
+
+    // remove newline from double-quoted strings in `_.template`
+    source = source
+      .replace('"__p += \'"', '"__p+=\'"')
+      .replace('"\';\n"', '"\';"')
+
+    // remove debug sourceURL use in `_.template`
+    source = source.replace(/(?:\s*\/\/.*\n)* *var sourceURL[^;]+;|\+ *sourceURL/g, '');
+
+    // minify internal properties used by 'compareAscending' and `_.sortBy`
+    (function() {
+      var properties = ['criteria', 'index', 'value'],
+          snippets = source.match(/( +)function (?:compareAscending|sortBy)\b[\s\S]+?\n\1}/g);
+
+      if (!snippets) {
+        return;
+      }
+      snippets.forEach(function(snippet) {
+        var modified = snippet;
+
+        // minify properties
+        properties.forEach(function(property, index) {
+          var minName = minNames[index],
+              reBracketProp = RegExp("\\['(" + property + ")'\\]", 'g'),
+              reDotProp = RegExp('\\.' + property + '\\b', 'g'),
+              rePropColon = RegExp("([^?\\s])\\s*([\"'])?\\b" + property + "\\2 *:", 'g');
+
+          modified = modified
+            .replace(reBracketProp, "['" + minName + "']")
+            .replace(reDotProp, "['" + minName + "']")
+            .replace(rePropColon, "$1'" + minName + "':");
+        });
+
+        // replace with modified snippet
+        source = source.replace(snippet, function() {
+          return modified;
+        });
+      });
+    }());
+
+    // minify all compilable snippets
+    var snippets = source.match(
+      RegExp([
+        // match the `iteratorTemplate`
+        '( +)var iteratorTemplate\\b[\\s\\S]+?\\n\\1}',
+        // match methods created by `createIterator` calls
+        'createIterator\\((?:{|[a-zA-Z]+)[\\s\\S]*?\\);\\n',
+        // match variables storing `createIterator` options
+        '( +)var [a-zA-Z]+IteratorOptions\\b[\\s\\S]+?\\n\\2}',
+        // match the the `createIterator` function
+        '( +)function createIterator\\b[\\s\\S]+?\\n\\3}'
+      ].join('|'), 'g')
+    );
+
+    // exit early if no compilable snippets
+    if (!snippets) {
+      return source;
+    }
+
+    snippets.forEach(function(snippet, index) {
+      var isCreateIterator = /function createIterator\b/.test(snippet),
+          isIteratorTemplate = /var iteratorTemplate\b/.test(snippet),
+          modified = snippet;
+
+      // add brackets to iterator option properties so the Closure Compiler won't mung them
+      modified = modified.replace(RegExp('\\.(' + iteratorOptions.join('|') + ')\\b', 'g'), function(match, prop) {
+        return "['" + prop.replace(/['\n\r\t]/g, '\\$&') + "']";
+      });
+
+      // minify `createIterator` option property names
+      iteratorOptions.forEach(function(property, index) {
+        var minName = minNames[index];
+
+        // minify variables in `iteratorTemplate` or property names in everything else
+        modified = isIteratorTemplate
+          ? modified.replace(RegExp('\\b' + property + '\\b', 'g'), minName)
+          : modified.replace(RegExp("'" + property + "'", 'g'), "'" + minName + "'");
+      });
+
+      // minify snippet variables / arguments
+      compiledVars.forEach(function(varName, index) {
+        var minName = minNames[index];
+
+        // minify variable names present in strings
+        if (isCreateIterator) {
+          modified = modified.replace(RegExp('(([\'"])[^\\n\\2]*?)\\b' + varName + '\\b(?=[^\\n\\2]*\\2[ ,+]+$)', 'gm'), '$1' + minName);
+        }
+        // ensure properties in compiled strings aren't minified
+        else {
+          modified = modified.replace(RegExp('([^.])\\b' + varName + '\\b(?!\' *[\\]:])', 'g'), '$1' + minName);
+        }
+        // correct `typeof` values
+        if (/^(?:boolean|function|object|number|string|undefined)$/.test(varName)) {
+          modified = modified.replace(RegExp("(typeof [^']+')" + minName + "'", 'g'), '$1' + varName + "'");
+        }
+      });
+
+      // replace with modified snippet
+      source = source.replace(snippet, function() {
+        return modified;
+      });
+    });
+
+    return source;
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  // expose `preprocess`
+  if (module != require.main) {
+    module.exports = preprocess;
+  }
+  else {
+    // read the Lo-Dash source file from the first argument if the script
+    // was invoked directly (e.g. `node pre-compile.js source.js`) and write to
+    // the same file
+    (function() {
+      var options = process.argv;
+      if (options.length < 3) {
+        return;
+      }
+      var filePath = options[options.length - 1],
+          isTemplate = options.indexOf('-t') > -1 || options.indexOf('--template') > -1,
+          source = fs.readFileSync(filePath, 'utf8');
+
+      fs.writeFileSync(filePath, preprocess(source, {
+        'isTemplate': isTemplate
+      }), 'utf8');
+    }());
+  }
+}());
--- a/build/util.js
+++ b/build/util.js
@@ -0,0 +1,98 @@
+#!/usr/bin/env node
+;(function() {
+  'use strict';
+
+  /** Load Node.js modules */
+  var fs = require('fs'),
+      path = require('path');
+
+  /** Load other modules */
+  var _ = require('../lodash.js');
+
+  /** Used to indicate if running in Windows */
+  var isWindows = process.platform == 'win32';
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * The path separator.
+   *
+   * @memberOf util.path
+   * @type String
+   */
+  var sep = path.sep || (isWindows ? '\\' : '/');
+
+  /**
+   * The escaped path separator used for inclusion in RegExp strings.
+   *
+   * @memberOf util.path
+   * @type String
+   */
+  var sepEscaped = sep.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+
+  /** Used to determine if a path is prefixed with a drive letter, dot, or slash */
+  var rePrefixed = RegExp('^(?:' + (isWindows ? '[a-zA-Z]:|' : '') + '\\.?)' + sepEscaped);
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Makes the given `dirname` directory, without throwing errors for existing
+   * directories and making parent directories as needed.
+   *
+   * @memberOf util.fs
+   * @param {String} dirname The path of the directory.
+   * @param {Number|String} [mode='0777'] The permission mode.
+   */
+  function mkdirpSync(dirname, mode) {
+    // ensure relative paths are prefixed with `./`
+    if (!rePrefixed.test(dirname)) {
+      dirname = '.' + sep + dirname;
+    }
+    dirname.split(sep).reduce(function(currPath, segment) {
+      currPath += sep + segment;
+      try {
+        currPath = fs.realpathSync(currPath);
+      } catch(e) {
+        fs.mkdirSync(currPath, mode);
+      }
+      return currPath;
+    });
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * The utility object.
+   *
+   * @type Object
+   */
+  var util = {
+
+   /**
+    * The file system object.
+    *
+    * @memberOf util
+    * @type Object
+    */
+    'fs': _.defaults(_.cloneDeep(fs), {
+      'existsSync': fs.existsSync || path.existsSync,
+      'mkdirpSync': mkdirpSync
+    }),
+
+   /**
+    * The path object.
+    *
+    * @memberOf util
+    * @type Object
+    */
+    'path': _.defaults(_.cloneDeep(path), {
+      'sep': sep,
+      'sepEscaped': sepEscaped
+    })
+  };
+
+  /*--------------------------------------------------------------------------*/
+
+  // expose
+  module.exports = util;
+}());
--- a/bunfig.toml
+++ b/bunfig.toml
@@ -1,2 +0,0 @@
-[install.lockfile]
-print = "yarn"
--- a/dist/lodash.compat.js
+++ b/dist/lodash.compat.js
--- a/dist/lodash.compat.min.js
+++ b/dist/lodash.compat.min.js
@@ -0,0 +1,46 @@
+/**
+ * @license
+ * Lo-Dash 1.2.0 (Custom Build) lodash.com/license
+ * Build: `lodash -o ./dist/lodash.compat.js`
+ * Underscore.js 1.4.4 underscorejs.org/LICENSE
+ */
+;(function(n){function t(r){function a(n){return n&&typeof n=="object"&&!Z(n)&&Qt.call(n,"__wrapped__")?n:new U(n)}function F(n){var t=n.length,e=t>=l;if(e)for(var r={},u=-1;++u<t;){var a=f+n[u];(r[a]||(r[a]=[])).push(n[u])}return function(t){if(e){var u=f+t;return r[u]&&-1<_t(r[u],t)}return-1<_t(n,t)}}function R(n){return n.charCodeAt(0)}function T(n,t){var e=n.b,r=t.b;if(n=n.a,t=t.a,n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1}return e<r?-1:1}function D(n,t,e,r){function u(){var r=arguments,l=o?this:t;
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+++ b/dist/lodash.min.js
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--- a/dist/lodash.underscore.min.js
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+}},r.defaults=p,r.defer=function(n){var r=Br.call(arguments,1);return br(function(){n.apply(void 0,r)},1)},r.delay=function(n,r){var t=Br.call(arguments,2);return br(function(){n.apply(void 0,t)},r)},r.difference=R,r.filter=A,r.flatten=M,r.forEach=O,r.functions=s,r.groupBy=function(n,r,t){var e={};return r=P(r,t),O(n,function(n,t,u){t=r(n,t,u)+"",(mr.call(e,t)?e[t]:e[t]=[]).push(n)}),e},r.initial=function(n,r,t){if(!n)return[];var e=0,u=n.length;if(typeof r!="number"&&null!=r){var o=u;for(r=P(r,t);o--&&r(n[o],o,n);)e++
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+return mr.call(t,e)?t[e]:t[e]=n.apply(this,arguments)}},r.min=function(n,r,t){var e=1/0,u=e,o=-1,i=n?n.length:0;if(r||typeof i!="number")r=P(r,t),O(n,function(n,t,o){t=r(n,t,o),t<e&&(e=t,u=n)});else for(;++o<i;)t=n[o],t<u&&(u=t);return u},r.omit=function(n){var r=hr.apply(cr,Br.call(arguments,1)),t={};return Mr(n,function(n,e){0>T(r,e)&&(t[e]=n)}),t},r.once=function(n){var r,t;return function(){return r?t:(r=!0,t=n.apply(this,arguments),n=null,t)}},r.pairs=function(n){for(var r=-1,t=Fr(n),e=t.length,u=Array(e);++r<e;){var o=t[r];
+u[r]=[o,n[o]]}return u},r.partial=function(n){return e(n,Br.call(arguments,1))},r.pick=function(n){for(var r=-1,t=hr.apply(cr,Br.call(arguments,1)),e=t.length,u={};++r<e;){var o=t[r];o in n&&(u[o]=n[o])}return u},r.pluck=N,r.range=function(n,r,t){n=+n||0,t=+t||1,null==r&&(r=n,n=0);var e=-1;r=Er(0,vr((r-n)/t));for(var u=Array(r);++e<r;)u[e]=n,n+=t;return u},r.reject=function(n,r,t){return r=P(r,t),A(n,function(n,t,e){return!r(n,t,e)})},r.rest=$,r.shuffle=function(n){var r=-1,t=n?n.length:0,e=Array(typeof t=="number"?t:0);
+return O(n,function(n){var t=yr(Nr()*(++r+1));e[r]=e[t],e[t]=n}),e},r.sortBy=function(n,r,e){var u=-1,o=n?n.length:0,i=Array(typeof o=="number"?o:0);for(r=P(r,e),O(n,function(n,t,e){i[++u]={a:r(n,t,e),b:u,c:n}}),o=i.length,i.sort(t);o--;)i[o]=i[o].c;return i},r.tap=function(n,r){return r(n),n},r.throttle=function(n,r){function t(){a=new Date,i=null,u=n.apply(o,e)}var e,u,o,i,a=0;return function(){var f=new Date,l=r-(f-a);return e=arguments,o=this,0<l?i||(i=br(t,l)):(gr(i),i=null,a=f,u=n.apply(o,e)),u
+}},r.times=function(n,r,t){for(var e=-1,u=Array(-1<n?n:0);++e<n;)u[e]=r.call(t,e);return u},r.toArray=function(n){return $r(n)?Br.call(n):n&&typeof n.length=="number"?E(n):d(n)},r.union=function(n){return $r(n)||(arguments[0]=n?Br.call(n):cr),z(hr.apply(cr,arguments))},r.uniq=z,r.values=d,r.where=F,r.without=function(n){return R(n,Br.call(arguments,1))},r.wrap=function(n,r){return function(){var t=[n];return _r.apply(t,arguments),r.apply(this,t)}},r.zip=function(n){for(var r=-1,t=n?S(N(arguments,"length")):0,e=Array(t);++r<t;)e[r]=N(arguments,r);
+return e},r.collect=E,r.drop=$,r.each=O,r.extend=c,r.methods=s,r.object=function(n,r){for(var t=-1,e=n?n.length:0,u={};++t<e;){var o=n[t];r?u[o]=r[t]:u[o[0]]=o[1]}return u},r.select=A,r.tail=$,r.unique=z,r.clone=function(n){return m(n)?$r(n)?Br.call(n):c({},n):n},r.contains=j,r.escape=function(n){return null==n?"":(n+"").replace(Y,o)},r.every=w,r.find=x,r.findWhere=function(n,r){return F(n,r,!0)},r.has=function(n,r){return n?mr.call(n,r):!1},r.identity=U,r.indexOf=T,r.isArguments=l,r.isArray=$r,r.isBoolean=function(n){return!0===n||!1===n||dr.call(n)==tr
+},r.isDate=function(n){return dr.call(n)==er},r.isElement=function(n){return n?1===n.nodeType:!1},r.isEmpty=g,r.isEqual=h,r.isFinite=function(n){return Ar(n)&&!xr(parseFloat(n))},r.isFunction=y,r.isNaN=function(n){return _(n)&&n!=+n},r.isNull=function(n){return null===n},r.isNumber=_,r.isObject=m,r.isRegExp=function(n){return dr.call(n)==ir},r.isString=b,r.isUndefined=function(n){return typeof n=="undefined"},r.lastIndexOf=function(n,r,t){var e=n?n.length:0;for(typeof t=="number"&&(e=(0>t?Er(0,e+t):Sr(t,e-1))+1);e--;)if(n[e]===r)return e;
+return-1},r.mixin=V,r.noConflict=function(){return n._=pr,this},r.random=function(n,r){return null==n&&null==r&&(r=1),n=+n||0,null==r&&(r=n,n=0),n+yr(Nr()*((+r||0)-n+1))},r.reduce=B,r.reduceRight=k,r.result=function(n,r){var t=n?n[r]:null;return y(t)?n[r]():t},r.size=function(n){var r=n?n.length:0;return typeof r=="number"?r:Fr(n).length},r.some=q,r.sortedIndex=I,r.template=function(n,t,e){n||(n=""),e=p({},e,r.templateSettings);var o=0,i="__p+='",a=e.variable;n.replace(RegExp((e.escape||X).source+"|"+(e.interpolate||X).source+"|"+(e.evaluate||X).source+"|$","g"),function(r,t,e,a,f){return i+=n.slice(o,f).replace(Z,u),t&&(i+="'+_['escape']("+t+")+'"),a&&(i+="';"+a+";__p+='"),e&&(i+="'+((__t=("+e+"))==null?'':__t)+'"),o=f+r.length,r
+}),i+="';\n",a||(a="obj",i="with("+a+"||{}){"+i+"}"),i="function("+a+"){var __t,__p='',__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}"+i+"return __p}";try{var f=Function("_","return "+i)(r)}catch(l){throw l.source=i,l}return t?f(t):(f.source=i,f)},r.unescape=function(n){return null==n?"":(n+"").replace(Q,f)},r.uniqueId=function(n){var r=++J+"";return n?n+r:r},r.all=w,r.any=q,r.detect=x,r.foldl=B,r.foldr=k,r.include=j,r.inject=B,r.first=D,r.last=function(n,r,t){if(n){var e=0,u=n.length;
+if(typeof r!="number"&&null!=r){var o=u;for(r=P(r,t);o--&&r(n[o],o,n);)e++}else if(e=r,null==e||t)return n[u-1];return Br.call(n,Er(0,u-e))}},r.take=D,r.head=D,r.chain=function(n){return n=new i(n),n.__chain__=!0,n},r.VERSION="1.2.0",V(r),r.prototype.chain=function(){return this.__chain__=!0,this},r.prototype.value=function(){return this.__wrapped__},O("pop push reverse shift sort splice unshift".split(" "),function(n){var t=cr[n];r.prototype[n]=function(){var n=this.__wrapped__;return t.apply(n,arguments),!qr.spliceObjects&&0===n.length&&delete n[0],this
+}}),O(["concat","join","slice"],function(n){var t=cr[n];r.prototype[n]=function(){var n=t.apply(this.__wrapped__,arguments);return this.__chain__&&(n=new i(n),n.__chain__=!0),n}}),typeof define=="function"&&typeof define.amd=="object"&&define.amd?(n._=r,define(function(){return r})):W&&!W.nodeType?G?(G.exports=r)._=r:W._=r:n._=r})(this);
--- a/doc/README.md
+++ b/doc/README.md
--- a/doc/parse.php
+++ b/doc/parse.php
@@ -0,0 +1,36 @@
+<?php
+
+  // cleanup requested filepath
+  $file = isset($_GET['f']) ? $_GET['f'] : 'lodash';
+  $file = preg_replace('#(\.*[\/])+#', '', $file);
+  $file .= preg_match('/\.[a-z]+$/', $file) ? '' : '.js';
+
+  // output filename
+  if (isset($_GET['o'])) {
+    $output = $_GET['o'];
+  } else if (isset($_SERVER['argv'][1])) {
+    $output = $_SERVER['argv'][1];
+  } else {
+    $output = basename($file);
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  require('../vendor/docdown/docdown.php');
+
+  // generate Markdown
+  $markdown = docdown(array(
+    'path'  => '../' . $file,
+    'title' => 'Lo-Dash <sup>v1.2.0</sup>',
+    'toc'   => 'categories',
+    'url'   => 'https://github.com/lodash/lodash/blob/1.2.0/lodash.js'
+  ));
+
+  // save to a .md file
+  file_put_contents($output . '.md', $markdown);
+
+  // print
+  header('Content-Type: text/plain;charset=utf-8');
+  echo $markdown . PHP_EOL;
+
+?>
--- a/index.js
+++ b/index.js
@@ -0,0 +1 @@
+module.exports = require('./lodash');
--- a/lodash.js
+++ b/lodash.js
--- a/package.json
+++ b/package.json
@@ -1,50 +1,39 @@
 {
  "name": "lodash",
-  "version": "5.0.0",
+  "version": "1.2.0",
+  "description": "A low-level utility library delivering consistency, customization, performance, and extra features.",
+  "homepage": "http://lodash.com",
  "license": "MIT",
-  "private": true,
-  "main": "dist/lodash.js",
-  "sideEffects": false,
-  "scripts": {
-    "prepare": "husky install",
-    "lint": "eslint ./src/**/*.ts"
+  "main": "./dist/lodash.js",
+  "keywords": [
+    "browser",
+    "client",
+    "functional",
+    "performance",
+    "server",
+    "speed",
+    "util"
+  ],
+  "author": {
+    "name": "John-David Dalton",
+    "email": "john.david.dalton@gmail.com",
+    "web": "http://allyoucanleet.com/"
  },
-  "devDependencies": {
-    "@commitlint/cli": "17.7.1",
-    "@commitlint/config-conventional": "17.7.0",
-    "@types/eslint": "8.44.2",
-    "@types/jest": "29.5.5",
-    "@typescript-eslint/eslint-plugin": "6.7.0",
-    "@typescript-eslint/parser": "6.7.0",
-    "eslint": "8.49.0",
-    "eslint-config-airbnb-base": "15.0.0",
-    "eslint-config-airbnb-typescript": "17.1.0",
-    "eslint-config-prettier": "9.0.0",
-    "eslint-plugin-import": "2.28.1",
-    "eslint-plugin-prettier": "5.0.0",
-    "husky": "8.0.3",
-    "lint-staged": "14.0.1",
-    "lodash": "4.17.21",
-    "prettier": "3.0.3"
+  "bugs": {
+    "url": "https://github.com/bestiejs/lodash/issues"
  },
-  "lint-staged": {
-    "src/**/*.{ts}": [
-      "eslint --fix"
-    ]
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/bestiejs/lodash.git"
  },
-  "husky": {
-    "hooks": {
-      "pre-commit": "lint-staged",
-      "commit-msg": "bun run commitlint --edit $1"
-    }
+  "bin": {
+    "lodash": "./build.js"
  },
-  "engines": {
-    "node": "^18.17.1",
-    "yarn": "^1.22.19"
-  },
-  "volta": {
-    "node": "18.17.1",
-    "yarn": "1.22.19"
-  },
-  "engineStrict": true
+  "engines": [
+    "node",
+    "rhino"
+  ],
+  "jam": {
+    "main": "./lodash.js"
+  }
 }
--- a/perf/index.html
+++ b/perf/index.html
@@ -0,0 +1,82 @@
+<!doctype html>
+<html lang="en">
+	<head>
+		<meta charset="utf-8">
+		<title>Lo-Dash Performance Suite</title>
+		<style>
+			html, body {
+				margin: 0;
+				padding: 0;
+				height: 100%;
+			}
+			applet {
+				position: absolute;
+				left: -9999em;
+			}
+			#FirebugUI {
+				top: 2em;
+			}
+			#perf-toolbar {
+				background-color: #EEE;
+				color: #5E740B;
+				font-family: "Helvetica Neue Light", "HelveticaNeue-Light", "Helvetica Neue", Calibri, Helvetica, Arial, sans-serif;
+				font-size: small;
+				padding: 0.5em 0 0.5em 2em;
+				overflow: hidden;
+			}
+		</style>
+	</head>
+	<body>
+		<div id="perf-toolbar"></div>
+		<script src="../vendor/platform.js/platform.js"></script>
+		<script src="../lodash.js"></script>
+		<script src="../vendor/benchmark.js/benchmark.js"></script>
+		<script src="../vendor/firebug-lite/src/firebug-lite-debug.js"></script>
+		<script src="perf-ui.js"></script>
+		<script>
+			document.write('<script src="../' + ui.buildPath + '"><\/script>');
+		</script>
+		<script>
+			var lodash = _.noConflict();
+		</script>
+		<script>
+			document.write('<script src="../' + ui.otherPath + '"><\/script>');
+		</script>
+		<script src="perf.js"></script>
+		<script>
+			(function() {
+				var measured,
+				    perfNow,
+				    begin = new Date;
+
+				function init() {
+					var fbUI = document.getElementById('FirebugUI'),
+					    fbDoc = fbUI && (fbDoc = fbUI.contentWindow || fbUI.contentDocument).document || fbDoc,
+					    fbCommandLine = fbDoc && fbDoc.getElementById('fbCommandLine');
+
+					if (!fbCommandLine) {
+						return setTimeout(init, 15);
+					}
+					fbUI.style.height = (
+					  Math.max(document.documentElement.clientHeight, document.body.clientHeight) -
+					  document.getElementById('perf-toolbar').clientHeight
+					) + 'px';
+
+					fbDoc.body.style.height = fbDoc.documentElement.style.height = '100%';
+					setTimeout(run, 15);
+				}
+
+				// is the applet permitted?
+				if (!/[?&]nojava=true(?:&|$)/.test(location.search)) {
+					// is the applet really needed?
+					while (!(measured = new Date - begin)) { }
+					if (measured != 1 && !((perfNow = window.performance) && typeof (perfNow.now || perfNow.webkitNow) == 'function')) {
+						// load applet
+						document.write('<applet code="nano" archive="../vendor/benchmark.js/nano.jar"></applet>');
+					}
+				}
+				window.onload = init;
+			}());
+		</script>
+	</body>
+</html>
--- a/perf/perf-ui.js
+++ b/perf/perf-ui.js
@@ -0,0 +1,136 @@
+;(function(window) {
+  'use strict';
+
+  /** The Lo-Dash build to load */
+  var build = (/build=([^&]+)/.exec(location.search) || [])[1];
+
+  /** The other library to load */
+  var other = (/other=([^&]+)/.exec(location.search) || [])[1];
+
+  /** The `ui` object */
+  var ui = {};
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Registers an event listener on an element.
+   *
+   * @private
+   * @param {Element} element The element.
+   * @param {String} eventName The name of the event.
+   * @param {Function} handler The event handler.
+   * @returns {Element} The element.
+   */
+  function addListener(element, eventName, handler) {
+    if (typeof element.addEventListener != 'undefined') {
+      element.addEventListener(eventName, handler, false);
+    } else if (typeof element.attachEvent != 'undefined') {
+      element.attachEvent('on' + eventName, handler);
+    }
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  // expose Lo-Dash build file path
+  ui.buildPath = (function() {
+    switch (build) {
+      case 'lodash-dev':        return 'dist/lodash.compat.js';
+      case 'lodash-modern':     return 'dist/lodash.min.js';
+      case 'lodash-underscore': return 'dist/lodash.underscore.min.js';
+      case 'lodash-custom':     return 'lodash.custom.min.js';
+    }
+    return 'dist/lodash.compat.min.js';
+  }());
+
+  // expose other library file path
+  ui.otherPath = (function() {
+    switch (other) {
+      case 'lodash-dev':        return 'dist/lodash.compat.js';
+      case 'lodash-prod':       return 'dist/lodash.compat.min.js';
+      case 'lodash-modern':     return 'dist/lodash.min.js';
+      case 'lodash-underscore': return 'dist/lodash.underscore.min.js';
+      case 'lodash-custom':     return 'lodash.custom.min.js';
+      case 'underscore-dev':    return 'vendor/underscore/underscore.js';
+    }
+    return 'vendor/underscore/underscore-min.js';
+  }());
+
+  // initialize controls
+  addListener(window, 'load', function() {
+    function eventHandler(event) {
+      var search = location.search.replace(/^\?|&?(?:build|other)=[^&]*&?/g, '');
+      if (event.stopPropagation) {
+        event.stopPropagation();
+      } else {
+        event.cancelBubble = true;
+      }
+      location.href =
+        location.href.split('?')[0] + '?' +
+        (search ? search + '&' : '') +
+        'build=' + buildList[buildList.selectedIndex].value + '&' +
+        'other=' + otherList[otherList.selectedIndex].value;
+    }
+
+    var span1 = document.createElement('span');
+    span1.style.cssText = 'float:right';
+    span1.innerHTML =
+      '<label for="perf-build">Build: </label>' +
+      '<select id="perf-build">' +
+      '<option value="lodash-dev">Lo-Dash</option>' +
+      '<option value="lodash-prod">Lo-Dash (minified)</option>' +
+      '<option value="lodash-modern">Lo-Dash (modern)</option>' +
+      '<option value="lodash-underscore">Lo-Dash (underscore)</option>' +
+      '<option value="lodash-custom">Lo-Dash (custom)</option>' +
+      '</select>';
+
+    var span2 = document.createElement('span');
+    span2.style.cssText = 'float:right';
+    span2.innerHTML =
+      '<label for="perf-other">Other Library: </label>' +
+      '<select id="perf-other">' +
+      '<option value="underscore-dev">Underscore</option>' +
+      '<option value="underscore-prod">Underscore (minified)</option>' +
+      '<option value="lodash-dev">Lo-Dash</option>' +
+      '<option value="lodash-prod">Lo-Dash (minified)</option>' +
+      '<option value="lodash-modern">Lo-Dash (modern)</option>' +
+      '<option value="lodash-underscore">Lo-Dash (underscore)</option>' +
+      '<option value="lodash-custom">Lo-Dash (custom)</option>' +
+      '</select>';
+
+    var buildList = span1.lastChild,
+        otherList = span2.lastChild,
+        toolbar = document.getElementById('perf-toolbar');
+
+    toolbar.appendChild(span2);
+    toolbar.appendChild(span1);
+
+    buildList.selectedIndex = (function() {
+      switch (build) {
+        case 'lodash-dev':        return 0;
+        case 'lodash-modern':     return 2;
+        case 'lodash-underscore': return 3;
+        case 'lodash-custom':     return 4;
+      }
+      return 1;
+    }());
+
+    otherList.selectedIndex = (function() {
+      switch (other) {
+        case 'underscore-dev':    return 0;
+        case 'lodash-dev':        return 2;
+        case 'lodash-prod':       return 3;
+        case 'lodash-modern':     return 4;
+        case 'lodash-underscore': return 5;
+        case 'lodash-custom':     return 6;
+      }
+      return 1;
+    }());
+
+    addListener(buildList, 'change', eventHandler);
+    addListener(otherList, 'change', eventHandler);
+  });
+
+  // expose `ui`
+  window.ui = ui;
+
+}(this));
--- a/perf/perf.js
+++ b/perf/perf.js
--- a/perf/run-perf.sh
+++ b/perf/run-perf.sh
@@ -0,0 +1,14 @@
+cd "$(dirname "$0")"
+
+echo "Running performance suite in node..."
+node perf.js ../dist/lodash.js && node perf.js ../dist/lodash.min.js
+
+for cmd in rhino "rhino -require" narwhal ringo phantomjs; do
+  echo ""
+  echo "Running performance suite in $cmd..."
+  $cmd perf.js ../dist/lodash.compat.js && $cmd perf.js ../dist/lodash.compat.min.js
+done
+
+echo ""
+echo "Running performance suite in a browser..."
+open index.html
--- a/src/.eslintrc.cjs
+++ b/src/.eslintrc.cjs
@@ -1,18 +0,0 @@
-'use strict';
-
-const path = require('node:path');
-
-module.exports = {
-    overrides: [
-        {
-            files: ['**/*.{ts}'],
-            rules: {
-                'import/no-extraneous-dependencies': [
-                    'error',
-                    // Use package.json from both this package folder and root.
-                    { packageDir: [__dirname, path.join(__dirname, '../')] },
-                ],
-            },
-        },
-    ],
-};
--- a/src/.internal/Hash.ts
+++ b/src/.internal/Hash.ts
@@ -1,88 +0,0 @@
-/** Used to stand-in for `undefined` hash values. */
-const HASH_UNDEFINED = '__lodash_hash_undefined__'
-
-class Hash {
-
-  /**
-   * Creates a hash object.
-   *
-   * @private
-   * @constructor
-   * @param {Array} [entries] The key-value pairs to cache.
-   */
-  constructor(entries) {
-    let index = -1
-    const length = entries == null ? 0 : entries.length
-
-    this.clear()
-    while (++index < length) {
-      const entry = entries[index]
-      this.set(entry[0], entry[1])
-    }
-  }
-
-  /**
-   * Removes all key-value entries from the hash.
-   *
-   * @memberOf Hash
-   */
-  clear() {
-    this.__data__ = Object.create(null)
-    this.size = 0
-  }
-
-  /**
-   * Removes `key` and its value from the hash.
-   *
-   * @memberOf Hash
-   * @param {string} key The key of the value to remove.
-   * @returns {boolean} Returns `true` if the entry was removed, else `false`.
-   */
-  delete(key) {
-    const result = this.has(key) && delete this.__data__[key]
-    this.size -= result ? 1 : 0
-    return result
-  }
-
-  /**
-   * Gets the hash value for `key`.
-   *
-   * @memberOf Hash
-   * @param {string} key The key of the value to get.
-   * @returns {*} Returns the entry value.
-   */
-  get(key) {
-    const data = this.__data__
-    const result = data[key]
-    return result === HASH_UNDEFINED ? undefined : result
-  }
-
-  /**
-   * Checks if a hash value for `key` exists.
-   *
-   * @memberOf Hash
-   * @param {string} key The key of the entry to check.
-   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
-   */
-  has(key) {
-    const data = this.__data__
-    return data[key] !== undefined
-  }
-
-  /**
-   * Sets the hash `key` to `value`.
-   *
-   * @memberOf Hash
-   * @param {string} key The key of the value to set.
-   * @param {*} value The value to set.
-   * @returns {Object} Returns the hash instance.
-   */
-  set(key, value) {
-    const data = this.__data__
-    this.size += this.has(key) ? 0 : 1
-    data[key] = value === undefined ? HASH_UNDEFINED : value
-    return this
-  }
-}
-
-export default Hash
--- a/src/.internal/ListCache.ts
+++ b/src/.internal/ListCache.ts
@@ -1,103 +0,0 @@
-import assocIndexOf from './assocIndexOf.js'
-
-class ListCache {
-
-  /**
-   * Creates an list cache object.
-   *
-   * @private
-   * @constructor
-   * @param {Array} [entries] The key-value pairs to cache.
-   */
-  constructor(entries) {
-    let index = -1
-    const length = entries == null ? 0 : entries.length
-
-    this.clear()
-    while (++index < length) {
-      const entry = entries[index]
-      this.set(entry[0], entry[1])
-    }
-  }
-
-  /**
-   * Removes all key-value entries from the list cache.
-   *
-   * @memberOf ListCache
-   */
-  clear() {
-    this.__data__ = []
-    this.size = 0
-  }
-
-  /**
-   * Removes `key` and its value from the list cache.
-   *
-   * @memberOf ListCache
-   * @param {string} key The key of the value to remove.
-   * @returns {boolean} Returns `true` if the entry was removed, else `false`.
-   */
-  delete(key) {
-    const data = this.__data__
-    const index = assocIndexOf(data, key)
-
-    if (index < 0) {
-      return false
-    }
-    const lastIndex = data.length - 1
-    if (index === lastIndex) {
-      data.pop()
-    } else {
-      data.splice(index, 1)
-    }
-    --this.size
-    return true
-  }
-
-  /**
-   * Gets the list cache value for `key`.
-   *
-   * @memberOf ListCache
-   * @param {string} key The key of the value to get.
-   * @returns {*} Returns the entry value.
-   */
-  get(key) {
-    const data = this.__data__
-    const index = assocIndexOf(data, key)
-    return index < 0 ? undefined : data[index][1]
-  }
-
-  /**
-   * Checks if a list cache value for `key` exists.
-   *
-   * @memberOf ListCache
-   * @param {string} key The key of the entry to check.
-   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
-   */
-  has(key) {
-    return assocIndexOf(this.__data__, key) > -1
-  }
-
-  /**
-   * Sets the list cache `key` to `value`.
-   *
-   * @memberOf ListCache
-   * @param {string} key The key of the value to set.
-   * @param {*} value The value to set.
-   * @returns {Object} Returns the list cache instance.
-   */
-  set(key, value) {
-    const data = this.__data__
-    const index = assocIndexOf(data, key)
-
-    if (index < 0) {
-      ++this.size
-      data.push([key, value])
-    } else {
-      data[index][1] = value
-    }
-    return this
-  }
-}
-
-export default ListCache
--- a/src/.internal/MapCache.ts
+++ b/src/.internal/MapCache.ts
@@ -1,120 +0,0 @@
-
-import Hash from './Hash.js'
-
-/**
- * Gets the data for `map`.
- *
- * @private
- * @param {Object} map The map to query.
- * @param {string} key The reference key.
- * @returns {*} Returns the map data.
- */
-function getMapData({ __data__ }, key) {
-  const data = __data__
-  return isKeyable(key)
-    ? data[typeof key === 'string' ? 'string' : 'hash']
-    : data.map
-}
-
-/**
- * Checks if `value` is suitable for use as unique object key.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
- */
-function isKeyable(value) {
-  const type = typeof value
-  return (type === 'string' || type === 'number' || type === 'symbol' || type === 'boolean')
-    ? (value !== '__proto__')
-    : (value === null)
-}
-
-class MapCache {
-
-  /**
-   * Creates a map cache object to store key-value pairs.
-   *
-   * @private
-   * @constructor
-   * @param {Array} [entries] The key-value pairs to cache.
-   */
-  constructor(entries) {
-    let index = -1
-    const length = entries == null ? 0 : entries.length
-
-    this.clear()
-    while (++index < length) {
-      const entry = entries[index]
-      this.set(entry[0], entry[1])
-    }
-  }
-
-  /**
-   * Removes all key-value entries from the map.
-   *
-   * @memberOf MapCache
-   */
-  clear() {
-    this.size = 0
-    this.__data__ = {
-      'hash': new Hash,
-      'map': new Map,
-      'string': new Hash
-    }
-  }
-
-  /**
-   * Removes `key` and its value from the map.
-   *
-   * @memberOf MapCache
-   * @param {string} key The key of the value to remove.
-   * @returns {boolean} Returns `true` if the entry was removed, else `false`.
-   */
-  delete(key) {
-    const result = getMapData(this, key)['delete'](key)
-    this.size -= result ? 1 : 0
-    return result
-  }
-
-  /**
-   * Gets the map value for `key`.
-   *
-   * @memberOf MapCache
-   * @param {string} key The key of the value to get.
-   * @returns {*} Returns the entry value.
-   */
-  get(key) {
-    return getMapData(this, key).get(key)
-  }
-
-  /**
-   * Checks if a map value for `key` exists.
-   *
-   * @memberOf MapCache
-   * @param {string} key The key of the entry to check.
-   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
-   */
-  has(key) {
-    return getMapData(this, key).has(key)
-  }
-
-  /**
-   * Sets the map `key` to `value`.
-   *
-   * @memberOf MapCache
-   * @param {string} key The key of the value to set.
-   * @param {*} value The value to set.
-   * @returns {Object} Returns the map cache instance.
-   */
-  set(key, value) {
-    const data = getMapData(this, key)
-    const size = data.size
-
-    data.set(key, value)
-    this.size += data.size === size ? 0 : 1
-    return this
-  }
-}
-
-export default MapCache
--- a/src/.internal/SetCache.ts
+++ b/src/.internal/SetCache.ts
@@ -1,52 +0,0 @@
-import MapCache from './MapCache.js'
-
-/** Used to stand-in for `undefined` hash values. */
-const HASH_UNDEFINED = '__lodash_hash_undefined__'
-
-class SetCache {
-
-  /**
-   * Creates an array cache object to store unique values.
-   *
-   * @private
-   * @constructor
-   * @param {Array} [values] The values to cache.
-   */
-  constructor(values) {
-    let index = -1
-    const length = values == null ? 0 : values.length
-
-    this.__data__ = new MapCache
-    while (++index < length) {
-      this.add(values[index])
-    }
-  }
-
-  /**
-   * Adds `value` to the array cache.
-   *
-   * @memberOf SetCache
-   * @alias push
-   * @param {*} value The value to cache.
-   * @returns {Object} Returns the cache instance.
-   */
-  add(value) {
-    this.__data__.set(value, HASH_UNDEFINED)
-    return this
-  }
-
-  /**
-   * Checks if `value` is in the array cache.
-   *
-   * @memberOf SetCache
-   * @param {*} value The value to search for.
-   * @returns {boolean} Returns `true` if `value` is found, else `false`.
-   */
-  has(value) {
-    return this.__data__.has(value)
-  }
-}
-
-SetCache.prototype.push = SetCache.prototype.add
-
-export default SetCache
--- a/src/.internal/Stack.ts
+++ b/src/.internal/Stack.ts
@@ -1,93 +0,0 @@
-import ListCache from './ListCache.js'
-import MapCache from './MapCache.js'
-
-/** Used as the size to enable large array optimizations. */
-const LARGE_ARRAY_SIZE = 200
-
-class Stack {
-
-  /**
-   * Creates a stack cache object to store key-value pairs.
-   *
-   * @private
-   * @constructor
-   * @param {Array} [entries] The key-value pairs to cache.
-   */
-  constructor(entries) {
-    const data = this.__data__ = new ListCache(entries)
-    this.size = data.size
-  }
-
-  /**
-   * Removes all key-value entries from the stack.
-   *
-   * @memberOf Stack
-   */
-  clear() {
-    this.__data__ = new ListCache
-    this.size = 0
-  }
-
-  /**
-   * Removes `key` and its value from the stack.
-   *
-   * @memberOf Stack
-   * @param {string} key The key of the value to remove.
-   * @returns {boolean} Returns `true` if the entry was removed, else `false`.
-   */
-  delete(key) {
-    const data = this.__data__
-    const result = data['delete'](key)
-
-    this.size = data.size
-    return result
-  }
-
-  /**
-   * Gets the stack value for `key`.
-   *
-   * @memberOf Stack
-   * @param {string} key The key of the value to get.
-   * @returns {*} Returns the entry value.
-   */
-  get(key) {
-    return this.__data__.get(key)
-  }
-
-  /**
-   * Checks if a stack value for `key` exists.
-   *
-   * @memberOf Stack
-   * @param {string} key The key of the entry to check.
-   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
-   */
-  has(key) {
-    return this.__data__.has(key)
-  }
-
-  /**
-   * Sets the stack `key` to `value`.
-   *
-   * @memberOf Stack
-   * @param {string} key The key of the value to set.
-   * @param {*} value The value to set.
-   * @returns {Object} Returns the stack cache instance.
-   */
-  set(key, value) {
-    let data = this.__data__
-    if (data instanceof ListCache) {
-      const pairs = data.__data__
-      if (pairs.length < LARGE_ARRAY_SIZE - 1) {
-        pairs.push([key, value])
-        this.size = ++data.size
-        return this
-      }
-      data = this.__data__ = new MapCache(pairs)
-    }
-    data.set(key, value)
-    this.size = data.size
-    return this
-  }
-}
-
-export default Stack
--- a/src/.internal/addMapEntry.ts
+++ b/src/.internal/addMapEntry.ts
@@ -1,15 +0,0 @@
-/**
- * Adds the key-value `pair` to `map`.
- *
- * @private
- * @param {Object} map The map to modify.
- * @param {Array} pair The key-value pair to add.
- * @returns {Object} Returns `map`.
- */
-function addMapEntry(map, pair) {
-  // Don't return `map.set` because it's not chainable in IE 11.
-  map.set(pair[0], pair[1])
-  return map
-}
-
-export default addMapEntry
--- a/src/.internal/addSetEntry.ts
+++ b/src/.internal/addSetEntry.ts
@@ -1,15 +0,0 @@
-/**
- * Adds `value` to `set`.
- *
- * @private
- * @param {Object} set The set to modify.
- * @param {*} value The value to add.
- * @returns {Object} Returns `set`.
- */
-function addSetEntry(set, value) {
-  // Don't return `set.add` because it's not chainable in IE 11.
-  set.add(value)
-  return set
-}
-
-export default addSetEntry
--- a/src/.internal/arrayEach.ts
+++ b/src/.internal/arrayEach.ts
@@ -1,21 +0,0 @@
-/**
- * A specialized version of `forEach` for arrays.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns `array`.
- */
-function arrayEach(array, iteratee) {
-  let index = -1
-  const length = array.length
-
-  while (++index < length) {
-    if (iteratee(array[index], index, array) === false) {
-      break
-    }
-  }
-  return array
-}
-
-export default arrayEach
--- a/src/.internal/arrayEachRight.ts
+++ b/src/.internal/arrayEachRight.ts
@@ -1,20 +0,0 @@
-/**
- * A specialized version of `forEachRight` for arrays.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns `array`.
- */
-function arrayEachRight(array, iteratee) {
-  let length = array == null ? 0 : array.length
-
-  while (length--) {
-    if (iteratee(array[length], length, array) === false) {
-      break
-    }
-  }
-  return array
-}
-
-export default arrayEachRight
--- a/src/.internal/arrayIncludes.ts
+++ b/src/.internal/arrayIncludes.ts
@@ -1,17 +0,0 @@
-import baseIndexOf from './baseIndexOf.js'
-
-/**
- * A specialized version of `includes` for arrays without support for
- * specifying an index to search from.
- *
- * @private
- * @param {Array} [array] The array to inspect.
- * @param {*} target The value to search for.
- * @returns {boolean} Returns `true` if `target` is found, else `false`.
- */
-function arrayIncludes(array, value) {
-  const length = array == null ? 0 : array.length
-  return !!length && baseIndexOf(array, value, 0) > -1
-}
-
-export default arrayIncludes
--- a/src/.internal/arrayIncludesWith.ts
+++ b/src/.internal/arrayIncludesWith.ts
@@ -1,23 +0,0 @@
-/**
- * This function is like `arrayIncludes` except that it accepts a comparator.
- *
- * @private
- * @param {Array} [array] The array to inspect.
- * @param {*} target The value to search for.
- * @param {Function} comparator The comparator invoked per element.
- * @returns {boolean} Returns `true` if `target` is found, else `false`.
- */
-function arrayIncludesWith(array, target, comparator) {
-  if (array == null) {
-    return false
-  }
-
-  for (const value of array) {
-    if (comparator(target, value)) {
-      return true
-    }
-  }
-  return false
-}
-
-export default arrayIncludesWith
--- a/src/.internal/arrayLikeKeys.ts
+++ b/src/.internal/arrayLikeKeys.ts
@@ -1,43 +0,0 @@
-import isArguments from '../isArguments.js'
-import isBuffer from '../isBuffer.js'
-import isIndex from './isIndex.js'
-import isTypedArray from '../isTypedArray.js'
-
-/** Used to check objects for own properties. */
-const hasOwnProperty = Object.prototype.hasOwnProperty
-
-/**
- * Creates an array of the enumerable property names of the array-like `value`.
- *
- * @private
- * @param {*} value The value to query.
- * @param {boolean} inherited Specify returning inherited property names.
- * @returns {Array} Returns the array of property names.
- */
-function arrayLikeKeys(value, inherited) {
-  const isArr = Array.isArray(value)
-  const isArg = !isArr && isArguments(value)
-  const isBuff = !isArr && !isArg && isBuffer(value)
-  const isType = !isArr && !isArg && !isBuff && isTypedArray(value)
-  const skipIndexes = isArr || isArg || isBuff || isType
-  const length = value.length
-  const result = new Array(skipIndexes ? length : 0)
-  let index = skipIndexes ? -1 : length
-  while (++index < length) {
-    result[index] = `${index}`
-  }
-  for (const key in value) {
-    if ((inherited || hasOwnProperty.call(value, key)) &&
-        !(skipIndexes && (
-        // Safari 9 has enumerable `arguments.length` in strict mode.
-          (key === 'length' ||
-           // Skip index properties.
-           isIndex(key, length))
-        ))) {
-      result.push(key)
-    }
-  }
-  return result
-}
-
-export default arrayLikeKeys
--- a/src/.internal/arrayReduce.ts
+++ b/src/.internal/arrayReduce.ts
@@ -1,25 +0,0 @@
-/**
- * A specialized version of `reduce` for arrays.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {*} [accumulator] The initial value.
- * @param {boolean} [initAccum] Specify using the first element of `array` as
- *  the initial value.
- * @returns {*} Returns the accumulated value.
- */
-function arrayReduce(array, iteratee, accumulator, initAccum) {
-  let index = -1
-  const length = array == null ? 0 : array.length
-
-  if (initAccum && length) {
-    accumulator = array[++index]
-  }
-  while (++index < length) {
-    accumulator = iteratee(accumulator, array[index], index, array)
-  }
-  return accumulator
-}
-
-export default arrayReduce
--- a/src/.internal/arrayReduceRight.ts
+++ b/src/.internal/arrayReduceRight.ts
@@ -1,23 +0,0 @@
-/**
- * A specialized version of `reduceRight` for arrays.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {*} [accumulator] The initial value.
- * @param {boolean} [initAccum] Specify using the last element of `array` as
- *  the initial value.
- * @returns {*} Returns the accumulated value.
- */
-function arrayReduceRight(array, iteratee, accumulator, initAccum) {
-  let length = array == null ? 0 : array.length
-  if (initAccum && length) {
-    accumulator = array[--length]
-  }
-  while (length--) {
-    accumulator = iteratee(accumulator, array[length], length, array)
-  }
-  return accumulator
-}
-
-export default arrayReduceRight
--- a/src/.internal/asciiSize.ts
+++ b/src/.internal/asciiSize.ts
@@ -1,12 +0,0 @@
-/**
- * Gets the size of an ASCII `string`.
- *
- * @private
- * @param {string} string The string inspect.
- * @returns {number} Returns the string size.
- */
-function asciiSize({ length }) {
-  return length
-}
-
-export default asciiSize
--- a/src/.internal/asciiToArray.ts
+++ b/src/.internal/asciiToArray.ts
@@ -1,12 +0,0 @@
-/**
- * Converts an ASCII `string` to an array.
- *
- * @private
- * @param {string} string The string to convert.
- * @returns {Array} Returns the converted array.
- */
-function asciiToArray(string) {
-  return string.split('')
-}
-
-export default asciiToArray
--- a/src/.internal/assignMergeValue.ts
+++ b/src/.internal/assignMergeValue.ts
@@ -1,20 +0,0 @@
-import baseAssignValue from './baseAssignValue.js'
-import eq from '../eq.js'
-
-/**
- * This function is like `assignValue` except that it doesn't assign
- * `undefined` values.
- *
- * @private
- * @param {Object} object The object to modify.
- * @param {string} key The key of the property to assign.
- * @param {*} value The value to assign.
- */
-function assignMergeValue(object, key, value) {
-  if ((value !== undefined && !eq(object[key], value)) ||
-      (value === undefined && !(key in object))) {
-    baseAssignValue(object, key, value)
-  }
-}
-
-export default assignMergeValue
--- a/src/.internal/assignValue.ts
+++ b/src/.internal/assignValue.ts
@@ -1,27 +0,0 @@
-import baseAssignValue from './baseAssignValue.js'
-import eq from '../eq.js'
-
-/** Used to check objects for own properties. */
-const hasOwnProperty = Object.prototype.hasOwnProperty
-
-/**
- * Assigns `value` to `key` of `object` if the existing value is not equivalent.
- *
- * @private
- * @param {Object} object The object to modify.
- * @param {string} key The key of the property to assign.
- * @param {*} value The value to assign.
- */
-function assignValue(object, key, value) {
-  const objValue = object[key]
-
-  if (!(hasOwnProperty.call(object, key) && eq(objValue, value))) {
-    if (value !== 0 || (1 / value) === (1 / objValue)) {
-      baseAssignValue(object, key, value)
-    }
-  } else if (value === undefined && !(key in object)) {
-    baseAssignValue(object, key, value)
-  }
-}
-
-export default assignValue
--- a/src/.internal/assocIndexOf.ts
+++ b/src/.internal/assocIndexOf.ts
@@ -1,21 +0,0 @@
-import eq from '../eq.js'
-
-/**
- * Gets the index at which the `key` is found in `array` of key-value pairs.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {*} key The key to search for.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
-function assocIndexOf(array, key) {
-  let { length } = array
-  while (length--) {
-    if (eq(array[length][0], key)) {
-      return length
-    }
-  }
-  return -1
-}
-
-export default assocIndexOf
--- a/src/.internal/baseAssignValue.ts
+++ b/src/.internal/baseAssignValue.ts
@@ -1,23 +0,0 @@
-/**
- * The base implementation of `assignValue` and `assignMergeValue` without
- * value checks.
- *
- * @private
- * @param {Object} object The object to modify.
- * @param {string} key The key of the property to assign.
- * @param {*} value The value to assign.
- */
-function baseAssignValue(object, key, value) {
-  if (key === '__proto__') {
-    Object.defineProperty(object, key, {
-      'configurable': true,
-      'enumerable': true,
-      'value': value,
-      'writable': true
-    })
-  } else {
-    object[key] = value
-  }
-}
-
-export default baseAssignValue
--- a/src/.internal/baseAt.ts
+++ b/src/.internal/baseAt.ts
@@ -1,23 +0,0 @@
-import get from '../get.js'
-
-/**
- * The base implementation of `at` without support for individual paths.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {string[]} paths The property paths to pick.
- * @returns {Array} Returns the picked elements.
- */
-function baseAt(object, paths) {
-  let index = -1
-  const length = paths.length
-  const result = new Array(length)
-  const skip = object == null
-
-  while (++index < length) {
-    result[index] = skip ? undefined : get(object, paths[index])
-  }
-  return result
-}
-
-export default baseAt
--- a/src/.internal/baseClone.ts
+++ b/src/.internal/baseClone.ts
@@ -1,241 +0,0 @@
-import Stack from './Stack.js'
-import arrayEach from './arrayEach.js'
-import assignValue from './assignValue.js'
-import cloneBuffer from './cloneBuffer.js'
-import copyArray from './copyArray.js'
-import copyObject from './copyObject.js'
-import cloneArrayBuffer from './cloneArrayBuffer.js'
-import cloneDataView from './cloneDataView.js'
-import cloneRegExp from './cloneRegExp.js'
-import cloneSymbol from './cloneSymbol.js'
-import cloneTypedArray from './cloneTypedArray.js'
-import copySymbols from './copySymbols.js'
-import copySymbolsIn from './copySymbolsIn.js'
-import getAllKeys from './getAllKeys.js'
-import getAllKeysIn from './getAllKeysIn.js'
-import getTag from './getTag.js'
-import initCloneObject from './initCloneObject.js'
-import isBuffer from '../isBuffer.js'
-import isObject from '../isObject.js'
-import isTypedArray from '../isTypedArray.js'
-import keys from '../keys.js'
-import keysIn from '../keysIn.js'
-
-/** Used to compose bitmasks for cloning. */
-const CLONE_DEEP_FLAG = 1
-const CLONE_FLAT_FLAG = 2
-const CLONE_SYMBOLS_FLAG = 4
-
-/** `Object#toString` result references. */
-const argsTag = '[object Arguments]'
-const arrayTag = '[object Array]'
-const boolTag = '[object Boolean]'
-const dateTag = '[object Date]'
-const errorTag = '[object Error]'
-const mapTag = '[object Map]'
-const numberTag = '[object Number]'
-const objectTag = '[object Object]'
-const regexpTag = '[object RegExp]'
-const setTag = '[object Set]'
-const stringTag = '[object String]'
-const symbolTag = '[object Symbol]'
-const weakMapTag = '[object WeakMap]'
-
-const arrayBufferTag = '[object ArrayBuffer]'
-const dataViewTag = '[object DataView]'
-const float32Tag = '[object Float32Array]'
-const float64Tag = '[object Float64Array]'
-const int8Tag = '[object Int8Array]'
-const int16Tag = '[object Int16Array]'
-const int32Tag = '[object Int32Array]'
-const uint8Tag = '[object Uint8Array]'
-const uint8ClampedTag = '[object Uint8ClampedArray]'
-const uint16Tag = '[object Uint16Array]'
-const uint32Tag = '[object Uint32Array]'
-
-/** Used to identify `toStringTag` values supported by `clone`. */
-const cloneableTags = {}
-cloneableTags[argsTag] = cloneableTags[arrayTag] =
-cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
-cloneableTags[boolTag] = cloneableTags[dateTag] =
-cloneableTags[float32Tag] = cloneableTags[float64Tag] =
-cloneableTags[int8Tag] = cloneableTags[int16Tag] =
-cloneableTags[int32Tag] = cloneableTags[mapTag] =
-cloneableTags[numberTag] = cloneableTags[objectTag] =
-cloneableTags[regexpTag] = cloneableTags[setTag] =
-cloneableTags[stringTag] = cloneableTags[symbolTag] =
-cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
-cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true
-cloneableTags[errorTag] = cloneableTags[weakMapTag] = false
-
-/** Used to check objects for own properties. */
-const hasOwnProperty = Object.prototype.hasOwnProperty
-
-/**
- * Initializes an object clone based on its `toStringTag`.
- *
- * **Note:** This function only supports cloning values with tags of
- * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
- *
- * @private
- * @param {Object} object The object to clone.
- * @param {string} tag The `toStringTag` of the object to clone.
- * @param {boolean} [isDeep] Specify a deep clone.
- * @returns {Object} Returns the initialized clone.
- */
-function initCloneByTag(object, tag, isDeep) {
-  const Ctor = object.constructor
-  switch (tag) {
-    case arrayBufferTag:
-      return cloneArrayBuffer(object)
-
-    case boolTag:
-    case dateTag:
-      return new Ctor(+object)
-
-    case dataViewTag:
-      return cloneDataView(object, isDeep)
-
-    case float32Tag: case float64Tag:
-    case int8Tag: case int16Tag: case int32Tag:
-    case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
-      return cloneTypedArray(object, isDeep)
-
-    case mapTag:
-      return new Ctor
-
-    case numberTag:
-    case stringTag:
-      return new Ctor(object)
-
-    case regexpTag:
-      return cloneRegExp(object)
-
-    case setTag:
-      return new Ctor
-
-    case symbolTag:
-      return cloneSymbol(object)
-  }
-}
-
-/**
- * Initializes an array clone.
- *
- * @private
- * @param {Array} array The array to clone.
- * @returns {Array} Returns the initialized clone.
- */
-function initCloneArray(array) {
-  const { length } = array
-  const result = new array.constructor(length)
-
-  // Add properties assigned by `RegExp#exec`.
-  if (length && typeof array[0] === 'string' && hasOwnProperty.call(array, 'index')) {
-    result.index = array.index
-    result.input = array.input
-  }
-  return result
-}
-
-/**
- * The base implementation of `clone` and `cloneDeep` which tracks
- * traversed objects.
- *
- * @private
- * @param {*} value The value to clone.
- * @param {number} bitmask The bitmask flags.
- *  1 - Deep clone
- *  2 - Flatten inherited properties
- *  4 - Clone symbols
- * @param {Function} [customizer] The function to customize cloning.
- * @param {string} [key] The key of `value`.
- * @param {Object} [object] The parent object of `value`.
- * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
- * @returns {*} Returns the cloned value.
- */
-function baseClone(value, bitmask, customizer, key, object, stack) {
-  let result
-  const isDeep = bitmask & CLONE_DEEP_FLAG
-  const isFlat = bitmask & CLONE_FLAT_FLAG
-  const isFull = bitmask & CLONE_SYMBOLS_FLAG
-
-  if (customizer) {
-    result = object ? customizer(value, key, object, stack) : customizer(value)
-  }
-  if (result !== undefined) {
-    return result
-  }
-  if (!isObject(value)) {
-    return value
-  }
-  const isArr = Array.isArray(value)
-  const tag = getTag(value)
-  if (isArr) {
-    result = initCloneArray(value)
-    if (!isDeep) {
-      return copyArray(value, result)
-    }
-  } else {
-    const isFunc = typeof value === 'function'
-
-    if (isBuffer(value)) {
-      return cloneBuffer(value, isDeep)
-    }
-    if (tag === objectTag || tag === argsTag || (isFunc && !object)) {
-      result = (isFlat || isFunc) ? {} : initCloneObject(value)
-      if (!isDeep) {
-        return isFlat
-          ? copySymbolsIn(value, copyObject(value, keysIn(value), result))
-          : copySymbols(value, Object.assign(result, value))
-      }
-    } else {
-      if (isFunc || !cloneableTags[tag]) {
-        return object ? value : {}
-      }
-      result = initCloneByTag(value, tag, isDeep)
-    }
-  }
-  // Check for circular references and return its corresponding clone.
-  stack || (stack = new Stack)
-  const stacked = stack.get(value)
-  if (stacked) {
-    return stacked
-  }
-  stack.set(value, result)
-
-  if (tag === mapTag) {
-    value.forEach((subValue, key) => {
-      result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack))
-    })
-    return result
-  }
-
-  if (tag === setTag) {
-    value.forEach((subValue) => {
-      result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack))
-    })
-    return result
-  }
-
-  if (isTypedArray(value)) {
-    return result
-  }
-
-  const keysFunc = isFull
-    ? (isFlat ? getAllKeysIn : getAllKeys)
-    : (isFlat ? keysIn : keys)
-
-  const props = isArr ? undefined : keysFunc(value)
-  arrayEach(props || value, (subValue, key) => {
-    if (props) {
-      key = subValue
-      subValue = value[key]
-    }
-    // Recursively populate clone (susceptible to call stack limits).
-    assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack))
-  })
-  return result
-}
-
-export default baseClone
--- a/src/.internal/baseConforms.ts
+++ b/src/.internal/baseConforms.ts
@@ -1,16 +0,0 @@
-import baseConformsTo from './baseConformsTo.js'
-import keys from '../keys.js'
-
-/**
- * The base implementation of `conforms` which doesn't clone `source`.
- *
- * @private
- * @param {Object} source The object of property predicates to conform to.
- * @returns {Function} Returns the new spec function.
- */
-function baseConforms(source) {
-  const props = keys(source)
-  return (object) => baseConformsTo(object, source, props)
-}
-
-export default baseConforms
--- a/src/.internal/baseConformsTo.ts
+++ b/src/.internal/baseConformsTo.ts
@@ -1,27 +0,0 @@
-/**
- * The base implementation of `conformsTo` which accepts `props` to check.
- *
- * @private
- * @param {Object} object The object to inspect.
- * @param {Object} source The object of property predicates to conform to.
- * @returns {boolean} Returns `true` if `object` conforms, else `false`.
- */
-function baseConformsTo(object, source, props) {
-  let length = props.length
-  if (object == null) {
-    return !length
-  }
-  object = Object(object)
-  while (length--) {
-    const key = props[length]
-    const predicate = source[key]
-    const value = object[key]
-
-    if ((value === undefined && !(key in object)) || !predicate(value)) {
-      return false
-    }
-  }
-  return true
-}
-
-export default baseConformsTo
--- a/src/.internal/baseDifference.ts
+++ b/src/.internal/baseDifference.ts
@@ -1,63 +0,0 @@
-import SetCache from './SetCache.js'
-import arrayIncludes from './arrayIncludes.js'
-import arrayIncludesWith from './arrayIncludesWith.js'
-import map from '../map.js'
-import cacheHas from './cacheHas.js'
-
-/** Used as the size to enable large array optimizations. */
-const LARGE_ARRAY_SIZE = 200
-
-/**
- * The base implementation of methods like `difference` without support
- * for excluding multiple arrays.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {Array} values The values to exclude.
- * @param {Function} [iteratee] The iteratee invoked per element.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new array of filtered values.
- */
-function baseDifference(array, values, iteratee, comparator) {
-  let includes = arrayIncludes
-  let isCommon = true
-  const result = []
-  const valuesLength = values.length
-
-  if (!array.length) {
-    return result
-  }
-  if (iteratee) {
-    values = map(values, (value) => iteratee(value))
-  }
-  if (comparator) {
-    includes = arrayIncludesWith
-    isCommon = false
-  }
-  else if (values.length >= LARGE_ARRAY_SIZE) {
-    includes = cacheHas
-    isCommon = false
-    values = new SetCache(values)
-  }
-  outer:
-  for (let value of array) {
-    const computed = iteratee == null ? value : iteratee(value)
-
-    value = (comparator || value !== 0) ? value : 0
-    if (isCommon && computed === computed) {
-      let valuesIndex = valuesLength
-      while (valuesIndex--) {
-        if (values[valuesIndex] === computed) {
-          continue outer
-        }
-      }
-      result.push(value)
-    }
-    else if (!includes(values, computed, comparator)) {
-      result.push(value)
-    }
-  }
-  return result
-}
-
-export default baseDifference
--- a/src/.internal/baseEach.ts
+++ b/src/.internal/baseEach.ts
@@ -1,31 +0,0 @@
-import baseForOwn from './baseForOwn.js'
-import isArrayLike from '../isArrayLike.js'
-
-/**
- * The base implementation of `forEach`.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array|Object} Returns `collection`.
- */
-function baseEach(collection, iteratee) {
-  if (collection == null) {
-    return collection
-  }
-  if (!isArrayLike(collection)) {
-    return baseForOwn(collection, iteratee)
-  }
-  const length = collection.length
-  const iterable = Object(collection)
-  let index = -1
-
-  while (++index < length) {
-    if (iteratee(iterable[index], index, iterable) === false) {
-      break
-    }
-  }
-  return collection
-}
-
-export default baseEach
--- a/src/.internal/baseEachRight.ts
+++ b/src/.internal/baseEachRight.ts
@@ -1,30 +0,0 @@
-import baseForOwnRight from './baseForOwnRight.js'
-import isArrayLike from '../isArrayLike.js'
-
-/**
- * The base implementation of `forEachRight`.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array|Object} Returns `collection`.
- */
-function baseEachRight(collection, iteratee) {
-  if (collection == null) {
-    return collection
-  }
-  if (!isArrayLike(collection)) {
-    return baseForOwnRight(collection, iteratee)
-  }
-  const iterable = Object(collection)
-  let length = collection.length
-
-  while (length--) {
-    if (iteratee(iterable[length], length, iterable) === false) {
-      break
-    }
-  }
-  return collection
-}
-
-export default baseEachRight
--- a/src/.internal/baseFindIndex.ts
+++ b/src/.internal/baseFindIndex.ts
@@ -1,23 +0,0 @@
-/**
- * The base implementation of `findIndex` and `findLastIndex`.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {Function} predicate The function invoked per iteration.
- * @param {number} fromIndex The index to search from.
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
-function baseFindIndex(array, predicate, fromIndex, fromRight) {
-  const { length } = array
-  let index = fromIndex + (fromRight ? 1 : -1)
-
-  while ((fromRight ? index-- : ++index < length)) {
-    if (predicate(array[index], index, array)) {
-      return index
-    }
-  }
-  return -1
-}
-
-export default baseFindIndex
--- a/src/.internal/baseFindKey.ts
+++ b/src/.internal/baseFindKey.ts
@@ -1,22 +0,0 @@
-/**
- * The base implementation of methods like `findKey` and `findLastKey`
- * which iterates over `collection` using `eachFunc`.
- *
- * @private
- * @param {Array|Object} collection The collection to inspect.
- * @param {Function} predicate The function invoked per iteration.
- * @param {Function} eachFunc The function to iterate over `collection`.
- * @returns {*} Returns the found element or its key, else `undefined`.
- */
-function baseFindKey(collection, predicate, eachFunc) {
-  let result
-  eachFunc(collection, (value, key, collection) => {
-    if (predicate(value, key, collection)) {
-      result = key
-      return false
-    }
-  })
-  return result
-}
-
-export default baseFindKey
--- a/src/.internal/baseFlatten.ts
+++ b/src/.internal/baseFlatten.ts
@@ -1,37 +0,0 @@
-import isFlattenable from './isFlattenable.js'
-
-/**
- * The base implementation of `flatten` with support for restricting flattening.
- *
- * @private
- * @param {Array} array The array to flatten.
- * @param {number} depth The maximum recursion depth.
- * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
- * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
- * @param {Array} [result=[]] The initial result value.
- * @returns {Array} Returns the new flattened array.
- */
-function baseFlatten(array, depth, predicate, isStrict, result) {
-  predicate || (predicate = isFlattenable)
-  result || (result = [])
-
-  if (array == null) {
-    return result
-  }
-
-  for (const value of array) {
-    if (depth > 0 && predicate(value)) {
-      if (depth > 1) {
-        // Recursively flatten arrays (susceptible to call stack limits).
-        baseFlatten(value, depth - 1, predicate, isStrict, result)
-      } else {
-        result.push(...value)
-      }
-    } else if (!isStrict) {
-      result[result.length] = value
-    }
-  }
-  return result
-}
-
-export default baseFlatten
--- a/src/.internal/baseFor.ts
+++ b/src/.internal/baseFor.ts
@@ -1,27 +0,0 @@
-/**
- * The base implementation of `baseForOwn` which iterates over `object`
- * properties returned by `keysFunc` and invokes `iteratee` for each property.
- * Iteratee functions may exit iteration early by explicitly returning `false`.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {Function} keysFunc The function to get the keys of `object`.
- * @returns {Object} Returns `object`.
- */
-function baseFor(object, iteratee, keysFunc) {
-  const iterable = Object(object)
-  const props = keysFunc(object)
-  let { length } = props
-  let index = -1
-
-  while (length--) {
-    const key = props[++index]
-    if (iteratee(iterable[key], key, iterable) === false) {
-      break
-    }
-  }
-  return object
-}
-
-export default baseFor
--- a/src/.internal/baseForOwn.ts
+++ b/src/.internal/baseForOwn.ts
@@ -1,16 +0,0 @@
-import baseFor from './baseFor.js'
-import keys from '../keys.js'
-
-/**
- * The base implementation of `forOwn`.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Object} Returns `object`.
- */
-function baseForOwn(object, iteratee) {
-  return object && baseFor(object, iteratee, keys)
-}
-
-export default baseForOwn
--- a/src/.internal/baseForOwnRight.ts
+++ b/src/.internal/baseForOwnRight.ts
@@ -1,16 +0,0 @@
-import baseForRight from './baseForRight.js'
-import keys from '../keys.js'
-
-/**
- * The base implementation of `forOwnRight`.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Object} Returns `object`.
- */
-function baseForOwnRight(object, iteratee) {
-  return object && baseForRight(object, iteratee, keys)
-}
-
-export default baseForOwnRight
--- a/src/.internal/baseForRight.ts
+++ b/src/.internal/baseForRight.ts
@@ -1,25 +0,0 @@
-/**
- * This function is like `baseFor` except that it iterates over properties
- * in the opposite order.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {Function} keysFunc The function to get the keys of `object`.
- * @returns {Object} Returns `object`.
- */
-function baseForRight(object, iteratee, keysFunc) {
-  const iterable = Object(object)
-  const props = keysFunc(object)
-  let { length } = props
-
-  while (length--) {
-    const key = props[length]
-    if (iteratee(iterable[key], key, iterable) === false) {
-      break
-    }
-  }
-  return object
-}
-
-export default baseForRight
--- a/src/.internal/baseGet.ts
+++ b/src/.internal/baseGet.ts
@@ -1,24 +0,0 @@
-import castPath from './castPath.js'
-import toKey from './toKey.js'
-
-/**
- * The base implementation of `get` without support for default values.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to get.
- * @returns {*} Returns the resolved value.
- */
-function baseGet(object, path) {
-  path = castPath(path, object)
-
-  let index = 0
-  const length = path.length
-
-  while (object != null && index < length) {
-    object = object[toKey(path[index++])]
-  }
-  return (index && index === length) ? object : undefined
-}
-
-export default baseGet
--- a/src/.internal/baseInRange.ts
+++ b/src/.internal/baseInRange.ts
@@ -1,14 +0,0 @@
-/**
- * The base implementation of `inRange` which doesn't coerce arguments.
- *
- * @private
- * @param {number} number The number to check.
- * @param {number} start The start of the range.
- * @param {number} end The end of the range.
- * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
- */
-function baseInRange(number, start, end) {
-  return number >= Math.min(start, end) && number < Math.max(start, end)
-}
-
-export default baseInRange
--- a/src/.internal/baseIndexOf.ts
+++ b/src/.internal/baseIndexOf.ts
@@ -1,20 +0,0 @@
-import baseFindIndex from './baseFindIndex.js'
-import baseIsNaN from './baseIsNaN.js'
-import strictIndexOf from './strictIndexOf.js'
-
-/**
- * The base implementation of `indexOf` without `fromIndex` bounds checks.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @param {number} fromIndex The index to search from.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
-function baseIndexOf(array, value, fromIndex) {
-  return value === value
-    ? strictIndexOf(array, value, fromIndex)
-    : baseFindIndex(array, baseIsNaN, fromIndex)
-}
-
-export default baseIndexOf
--- a/src/.internal/baseIndexOfWith.ts
+++ b/src/.internal/baseIndexOfWith.ts
@@ -1,23 +0,0 @@
-/**
- * This function is like `baseIndexOf` except that it accepts a comparator.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @param {number} fromIndex The index to search from.
- * @param {Function} comparator The comparator invoked per element.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
-function baseIndexOfWith(array, value, fromIndex, comparator) {
-  let index = fromIndex - 1
-  const { length } = array
-
-  while (++index < length) {
-    if (comparator(array[index], value)) {
-      return index
-    }
-  }
-  return -1
-}
-
-export default baseIndexOfWith
--- a/src/.internal/baseIntersection.ts
+++ b/src/.internal/baseIntersection.ts
@@ -1,72 +0,0 @@
-import SetCache from './SetCache.js'
-import arrayIncludes from './arrayIncludes.js'
-import arrayIncludesWith from './arrayIncludesWith.js'
-import map from '../map.js'
-import cacheHas from './cacheHas.js'
-
-/**
- * The base implementation of methods like `intersection` that accepts an
- * array of arrays to inspect.
- *
- * @private
- * @param {Array} arrays The arrays to inspect.
- * @param {Function} [iteratee] The iteratee invoked per element.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new array of shared values.
- */
-function baseIntersection(arrays, iteratee, comparator) {
-  const includes = comparator ? arrayIncludesWith : arrayIncludes
-  const length = arrays[0].length
-  const othLength = arrays.length
-  const caches = new Array(othLength)
-  const result = []
-
-  let array
-  let maxLength = Infinity
-  let othIndex = othLength
-
-  while (othIndex--) {
-    array = arrays[othIndex]
-    if (othIndex && iteratee) {
-      array = map(array, (value) => iteratee(value))
-    }
-    maxLength = Math.min(array.length, maxLength)
-    caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
-      ? new SetCache(othIndex && array)
-      : undefined
-  }
-  array = arrays[0]
-
-  let index = -1
-  const seen = caches[0]
-
-  outer:
-  while (++index < length && result.length < maxLength) {
-    let value = array[index]
-    const computed = iteratee ? iteratee(value) : value
-
-    value = (comparator || value !== 0) ? value : 0
-    if (!(seen
-      ? cacheHas(seen, computed)
-      : includes(result, computed, comparator)
-    )) {
-      othIndex = othLength
-      while (--othIndex) {
-        const cache = caches[othIndex]
-        if (!(cache
-          ? cacheHas(cache, computed)
-          : includes(arrays[othIndex], computed, comparator))
-        ) {
-          continue outer
-        }
-      }
-      if (seen) {
-        seen.push(computed)
-      }
-      result.push(value)
-    }
-  }
-  return result
-}
-
-export default baseIntersection
--- a/src/.internal/baseIsEqual.ts
+++ b/src/.internal/baseIsEqual.ts
@@ -1,28 +0,0 @@
-import baseIsEqualDeep from './baseIsEqualDeep.js'
-import isObjectLike from '../isObjectLike.js'
-
-/**
- * The base implementation of `isEqual` which supports partial comparisons
- * and tracks traversed objects.
- *
- * @private
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @param {boolean} bitmask The bitmask flags.
- *  1 - Unordered comparison
- *  2 - Partial comparison
- * @param {Function} [customizer] The function to customize comparisons.
- * @param {Object} [stack] Tracks traversed `value` and `other` objects.
- * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
- */
-function baseIsEqual(value, other, bitmask, customizer, stack) {
-  if (value === other) {
-    return true
-  }
-  if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
-    return value !== value && other !== other
-  }
-  return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack)
-}
-
-export default baseIsEqual
--- a/src/.internal/baseIsEqualDeep.ts
+++ b/src/.internal/baseIsEqualDeep.ts
@@ -1,79 +0,0 @@
-import Stack from './Stack.js'
-import equalArrays from './equalArrays.js'
-import equalByTag from './equalByTag.js'
-import equalObjects from './equalObjects.js'
-import getTag from './getTag.js'
-import isBuffer from '../isBuffer.js'
-import isTypedArray from '../isTypedArray.js'
-
-/** Used to compose bitmasks for value comparisons. */
-const COMPARE_PARTIAL_FLAG = 1
-
-/** `Object#toString` result references. */
-const argsTag = '[object Arguments]'
-const arrayTag = '[object Array]'
-const objectTag = '[object Object]'
-
-/** Used to check objects for own properties. */
-const hasOwnProperty = Object.prototype.hasOwnProperty
-
-/**
- * A specialized version of `baseIsEqual` for arrays and objects which performs
- * deep comparisons and tracks traversed objects enabling objects with circular
- * references to be compared.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
- * @param {Function} customizer The function to customize comparisons.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Object} [stack] Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
-function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
-  let objIsArr = Array.isArray(object)
-  const othIsArr = Array.isArray(other)
-  let objTag = objIsArr ? arrayTag : getTag(object)
-  let othTag = othIsArr ? arrayTag : getTag(other)
-
-  objTag = objTag === argsTag ? objectTag : objTag
-  othTag = othTag === argsTag ? objectTag : othTag
-
-  let objIsObj = objTag === objectTag
-  const othIsObj = othTag === objectTag
-  const isSameTag = objTag === othTag
-
-  if (isSameTag && isBuffer(object)) {
-    if (!isBuffer(other)) {
-      return false
-    }
-    objIsArr = true
-    objIsObj = false
-  }
-  if (isSameTag && !objIsObj) {
-    stack || (stack = new Stack)
-    return (objIsArr || isTypedArray(object))
-      ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
-      : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack)
-  }
-  if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
-    const objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__')
-    const othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__')
-
-    if (objIsWrapped || othIsWrapped) {
-      const objUnwrapped = objIsWrapped ? object.value() : object
-      const othUnwrapped = othIsWrapped ? other.value() : other
-
-      stack || (stack = new Stack)
-      return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack)
-    }
-  }
-  if (!isSameTag) {
-    return false
-  }
-  stack || (stack = new Stack)
-  return equalObjects(object, other, bitmask, customizer, equalFunc, stack)
-}
-
-export default baseIsEqualDeep
--- a/src/.internal/baseIsMatch.ts
+++ b/src/.internal/baseIsMatch.ts
@@ -1,64 +0,0 @@
-import Stack from './Stack.js'
-import baseIsEqual from './baseIsEqual.js'
-
-/** Used to compose bitmasks for value comparisons. */
-const COMPARE_PARTIAL_FLAG = 1
-const COMPARE_UNORDERED_FLAG = 2
-
-/**
- * The base implementation of `isMatch`.
- *
- * @private
- * @param {Object} object The object to inspect.
- * @param {Object} source The object of property values to match.
- * @param {Array} matchData The property names, values, and compare flags to match.
- * @param {Function} [customizer] The function to customize comparisons.
- * @returns {boolean} Returns `true` if `object` is a match, else `false`.
- */
-function baseIsMatch(object, source, matchData, customizer) {
-  let index = matchData.length
-  const length = index
-  const noCustomizer = !customizer
-
-  if (object == null) {
-    return !length
-  }
-  let data
-  let result
-  object = Object(object)
-  while (index--) {
-    data = matchData[index]
-    if ((noCustomizer && data[2])
-      ? data[1] !== object[data[0]]
-      : !(data[0] in object)
-    ) {
-      return false
-    }
-  }
-  while (++index < length) {
-    data = matchData[index]
-    const key = data[0]
-    const objValue = object[key]
-    const srcValue = data[1]
-
-    if (noCustomizer && data[2]) {
-      if (objValue === undefined && !(key in object)) {
-        return false
-      }
-    } else {
-      const stack = new Stack
-      if (customizer) {
-        result = customizer(objValue, srcValue, key, object, source, stack)
-      }
-      if (!(result === undefined
-        ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
-        : result
-      )) {
-        return false
-      }
-    }
-  }
-  return true
-}
-
-export default baseIsMatch
--- a/src/.internal/baseIsNaN.ts
+++ b/src/.internal/baseIsNaN.ts
@@ -1,12 +0,0 @@
-/**
- * The base implementation of `isNaN` without support for number objects.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
- */
-function baseIsNaN(value) {
-  return value !== value
-}
-
-export default baseIsNaN
--- a/src/.internal/baseMatches.ts
+++ b/src/.internal/baseMatches.ts
@@ -1,20 +0,0 @@
-import baseIsMatch from './baseIsMatch.js'
-import getMatchData from './getMatchData.js'
-import matchesStrictComparable from './matchesStrictComparable.js'
-
-/**
- * The base implementation of `matches` which doesn't clone `source`.
- *
- * @private
- * @param {Object} source The object of property values to match.
- * @returns {Function} Returns the new spec function.
- */
-function baseMatches(source) {
-  const matchData = getMatchData(source)
-  if (matchData.length === 1 && matchData[0][2]) {
-    return matchesStrictComparable(matchData[0][0], matchData[0][1])
-  }
-  return (object) => object === source || baseIsMatch(object, source, matchData)
-}
-
-export default baseMatches
--- a/src/.internal/baseMatchesProperty.ts
+++ b/src/.internal/baseMatchesProperty.ts
@@ -1,33 +0,0 @@
-import baseIsEqual from './baseIsEqual.js'
-import get from '../get.js'
-import hasIn from '../hasIn.js'
-import isKey from './isKey.js'
-import isStrictComparable from './isStrictComparable.js'
-import matchesStrictComparable from './matchesStrictComparable.js'
-import toKey from './toKey.js'
-
-/** Used to compose bitmasks for value comparisons. */
-const COMPARE_PARTIAL_FLAG = 1
-const COMPARE_UNORDERED_FLAG = 2
-
-/**
- * The base implementation of `matchesProperty` which doesn't clone `srcValue`.
- *
- * @private
- * @param {string} path The path of the property to get.
- * @param {*} srcValue The value to match.
- * @returns {Function} Returns the new spec function.
- */
-function baseMatchesProperty(path, srcValue) {
-  if (isKey(path) && isStrictComparable(srcValue)) {
-    return matchesStrictComparable(toKey(path), srcValue)
-  }
-  return (object) => {
-    const objValue = get(object, path)
-    return (objValue === undefined && objValue === srcValue)
-      ? hasIn(object, path)
-      : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG)
-  }
-}
-
-export default baseMatchesProperty
--- a/src/.internal/baseMerge.ts
+++ b/src/.internal/baseMerge.ts
@@ -1,41 +0,0 @@
-import Stack from './Stack.js'
-import assignMergeValue from './assignMergeValue.js'
-import baseFor from './baseFor.js'
-import baseMergeDeep from './baseMergeDeep.js'
-import isObject from '../isObject.js'
-import keysIn from '../keysIn.js'
-
-/**
- * The base implementation of `merge` without support for multiple sources.
- *
- * @private
- * @param {Object} object The destination object.
- * @param {Object} source The source object.
- * @param {number} srcIndex The index of `source`.
- * @param {Function} [customizer] The function to customize merged values.
- * @param {Object} [stack] Tracks traversed source values and their merged
- *  counterparts.
- */
-function baseMerge(object, source, srcIndex, customizer, stack) {
-  if (object === source) {
-    return
-  }
-  baseFor(source, (srcValue, key) => {
-    if (isObject(srcValue)) {
-      stack || (stack = new Stack)
-      baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack)
-    }
-    else {
-      let newValue = customizer
-        ? customizer(object[key], srcValue, `${key}`, object, source, stack)
-        : undefined
-
-      if (newValue === undefined) {
-        newValue = srcValue
-      }
-      assignMergeValue(object, key, newValue)
-    }
-  }, keysIn)
-}
-
-export default baseMerge
--- a/src/.internal/baseMergeDeep.ts
+++ b/src/.internal/baseMergeDeep.ts
@@ -1,91 +0,0 @@
-import assignMergeValue from './assignMergeValue.js'
-import cloneBuffer from './cloneBuffer.js'
-import cloneTypedArray from './cloneTypedArray.js'
-import copyArray from './copyArray.js'
-import initCloneObject from './initCloneObject.js'
-import isArguments from '../isArguments.js'
-import isArrayLikeObject from '../isArrayLikeObject.js'
-import isBuffer from '../isBuffer.js'
-import isObject from '../isObject.js'
-import isPlainObject from '../isPlainObject.js'
-import isTypedArray from '../isTypedArray.js'
-import toPlainObject from '../toPlainObject.js'
-
-/**
- * A specialized version of `baseMerge` for arrays and objects which performs
- * deep merges and tracks traversed objects enabling objects with circular
- * references to be merged.
- *
- * @private
- * @param {Object} object The destination object.
- * @param {Object} source The source object.
- * @param {string} key The key of the value to merge.
- * @param {number} srcIndex The index of `source`.
- * @param {Function} mergeFunc The function to merge values.
- * @param {Function} [customizer] The function to customize assigned values.
- * @param {Object} [stack] Tracks traversed source values and their merged
- *  counterparts.
- */
-function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
-  const objValue = object[key]
-  const srcValue = source[key]
-  const stacked = stack.get(srcValue)
-
-  if (stacked) {
-    assignMergeValue(object, key, stacked)
-    return
-  }
-  let newValue = customizer
-    ? customizer(objValue, srcValue, `${key}`, object, source, stack)
-    : undefined
-
-  let isCommon = newValue === undefined
-
-  if (isCommon) {
-    const isArr = Array.isArray(srcValue)
-    const isBuff = !isArr && isBuffer(srcValue)
-    const isTyped = !isArr && !isBuff && isTypedArray(srcValue)
-
-    newValue = srcValue
-    if (isArr || isBuff || isTyped) {
-      if (Array.isArray(objValue)) {
-        newValue = objValue
-      }
-      else if (isArrayLikeObject(objValue)) {
-        newValue = copyArray(objValue)
-      }
-      else if (isBuff) {
-        isCommon = false
-        newValue = cloneBuffer(srcValue, true)
-      }
-      else if (isTyped) {
-        isCommon = false
-        newValue = cloneTypedArray(srcValue, true)
-      }
-      else {
-        newValue = []
-      }
-    }
-    else if (isPlainObject(srcValue) || isArguments(srcValue)) {
-      newValue = objValue
-      if (isArguments(objValue)) {
-        newValue = toPlainObject(objValue)
-      }
-      else if (typeof objValue === 'function' || !isObject(objValue)) {
-        newValue = initCloneObject(srcValue)
-      }
-    }
-    else {
-      isCommon = false
-    }
-  }
-  if (isCommon) {
-    // Recursively merge objects and arrays (susceptible to call stack limits).
-    stack.set(srcValue, newValue)
-    mergeFunc(newValue, srcValue, srcIndex, customizer, stack)
-    stack['delete'](srcValue)
-  }
-  assignMergeValue(object, key, newValue)
-}
-
-export default baseMergeDeep
--- a/src/.internal/baseOrderBy.ts
+++ b/src/.internal/baseOrderBy.ts
@@ -1,49 +0,0 @@
-import baseEach from './baseEach.js'
-import baseSortBy from './baseSortBy.js'
-import baseGet from './baseGet.js'
-import compareMultiple from './compareMultiple.js'
-import isArrayLike from '../isArrayLike.js'
-
-const identity = (value) => value
-
-/**
- * The base implementation of `orderBy` without param guards.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
- * @param {string[]} orders The sort orders of `iteratees`.
- * @returns {Array} Returns the new sorted array.
- */
-function baseOrderBy(collection, iteratees, orders) {
-  if (iteratees.length) {
-    iteratees = iteratees.map((iteratee) => {
-      if (Array.isArray(iteratee)) {
-        return (value) => baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee)
-      }
-
-      return iteratee
-    })
-  } else {
-    iteratees = [identity]
-  }
-
-  let criteriaIndex = -1
-  let eachIndex = -1
-
-  const result = isArrayLike(collection) ? new Array(collection.length) : []
-
-  baseEach(collection, (value) => {
-    const criteria = iteratees.map((iteratee) => iteratee(value))
-
-    result[++eachIndex] = {
-      criteria,
-      index: ++criteriaIndex,
-      value
-    }
-  })
-
-  return baseSortBy(result, (object, other) => compareMultiple(object, other, orders))
-}
-
-export default baseOrderBy
--- a/src/.internal/basePick.ts
+++ b/src/.internal/basePick.ts
@@ -1,17 +0,0 @@
-import basePickBy from './basePickBy.js'
-import hasIn from '../hasIn.js'
-
-/**
- * The base implementation of `pick` without support for individual
- * property identifiers.
- *
- * @private
- * @param {Object} object The source object.
- * @param {string[]} paths The property paths to pick.
- * @returns {Object} Returns the new object.
- */
-function basePick(object, paths) {
-  return basePickBy(object, paths, (value, path) => hasIn(object, path))
-}
-
-export default basePick
--- a/src/.internal/basePickBy.ts
+++ b/src/.internal/basePickBy.ts
@@ -1,29 +0,0 @@
-import baseGet from './baseGet.js'
-import baseSet from './baseSet.js'
-import castPath from './castPath.js'
-
-/**
- * The base implementation of `pickBy`.
- *
- * @private
- * @param {Object} object The source object.
- * @param {string[]} paths The property paths to pick.
- * @param {Function} predicate The function invoked per property.
- * @returns {Object} Returns the new object.
- */
-function basePickBy(object, paths, predicate) {
-  let index = -1
-  const length = paths.length
-  const result = {}
-
-  while (++index < length) {
-    const path = paths[index]
-    const value = baseGet(object, path)
-    if (predicate(value, path)) {
-      baseSet(result, castPath(path, object), value)
-    }
-  }
-  return result
-}
-
-export default basePickBy
--- a/src/.internal/baseProperty.ts
+++ b/src/.internal/baseProperty.ts
@@ -1,12 +0,0 @@
-/**
- * The base implementation of `property` without support for deep paths.
- *
- * @private
- * @param {string} key The key of the property to get.
- * @returns {Function} Returns the new accessor function.
- */
-function baseProperty(key) {
-  return (object) => object == null ? undefined : object[key]
-}
-
-export default baseProperty
--- a/src/.internal/basePropertyDeep.ts
+++ b/src/.internal/basePropertyDeep.ts
@@ -1,14 +0,0 @@
-import baseGet from './baseGet.js'
-
-/**
- * A specialized version of `baseProperty` which supports deep paths.
- *
- * @private
- * @param {Array|string} path The path of the property to get.
- * @returns {Function} Returns the new accessor function.
- */
-function basePropertyDeep(path) {
-  return (object) => baseGet(object, path)
-}
-
-export default basePropertyDeep
--- a/src/.internal/basePropertyOf.ts
+++ b/src/.internal/basePropertyOf.ts
@@ -1,12 +0,0 @@
-/**
- * The base implementation of `propertyOf` without support for deep paths.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Function} Returns the new accessor function.
- */
-function basePropertyOf(object) {
-  return (key) => object == null ? undefined : object[key]
-}
-
-export default basePropertyOf
--- a/src/.internal/basePullAll.ts
+++ b/src/.internal/basePullAll.ts
@@ -1,44 +0,0 @@
-import map from '../map.js'
-import baseIndexOf from './baseIndexOf.js'
-import baseIndexOfWith from './baseIndexOfWith.js'
-import copyArray from './copyArray.js'
-
-/**
- * The base implementation of `pullAllBy`.
- *
- * @private
- * @param {Array} array The array to modify.
- * @param {Array} values The values to remove.
- * @param {Function} [iteratee] The iteratee invoked per element.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns `array`.
- */
-function basePullAll(array, values, iteratee, comparator) {
-  const indexOf = comparator ? baseIndexOfWith : baseIndexOf
-  const length = values.length
-
-  let index = -1
-  let seen = array
-
-  if (array === values) {
-    values = copyArray(values)
-  }
-  if (iteratee) {
-    seen = map(array, (value) => iteratee(value))
-  }
-  while (++index < length) {
-    let fromIndex = 0
-    const value = values[index]
-    const computed = iteratee ? iteratee(value) : value
-
-    while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
-      if (seen !== array) {
-        seen.splice(fromIndex, 1)
-      }
-      array.splice(fromIndex, 1)
-    }
-  }
-  return array
-}
-
-export default basePullAll
--- a/src/.internal/basePullAt.ts
+++ b/src/.internal/basePullAt.ts
@@ -1,32 +0,0 @@
-import baseUnset from './baseUnset.js'
-import isIndex from './isIndex.js'
-
-/**
- * The base implementation of `pullAt` without support for individual
- * indexes or capturing the removed elements.
- *
- * @private
- * @param {Array} array The array to modify.
- * @param {number[]} indexes The indexes of elements to remove.
- * @returns {Array} Returns `array`.
- */
-function basePullAt(array, indexes) {
-  let length = array ? indexes.length : 0
-  const lastIndex = length - 1
-
-  while (length--) {
-    let previous
-    const index = indexes[length]
-    if (length === lastIndex || index !== previous) {
-      previous = index
-      if (isIndex(index)) {
-        array.splice(index, 1)
-      } else {
-        baseUnset(array, index)
-      }
-    }
-  }
-  return array
-}
-
-export default basePullAt
--- a/Show More
+++ b/Show More
				`@@ -1 +0,0 @@`
				`https://github.com/lodash/lodash/wiki/Changelog`