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diff --git a/node_modules/uglifyjs-webpack-plugin/CHANGELOG.md b/node_modules/uglifyjs-webpack-plugin/CHANGELOG.md
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+# Change Log
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+<a name="1.3.0"></a>
+# [1.3.0](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.2.7...v1.3.0) (2018-08-14)
+
+
+### Bug Fixes
+
+* all nodejs globals avaliable inside `minify` function ([#332](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/332)) ([24fe22b](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/24fe22b))
+* **uglify/Runner:** `cpus` length in a chroot environment (`os.cpus()`) ([#341](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/341)) ([6d9c36f](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/6d9c36f))
+
+
+### Features
+
+* `cacheKeys` option ([#320](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/320)) ([249eef3](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/249eef3))
+* support `minify` function option ([#325](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/325)) ([0174605](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/0174605))
+
+
+
+<a name="1.2.7"></a>
+## [1.2.7](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.2.6...v1.2.7) (2018-06-25)
+
+
+### Bug Fixes
+
+* no warning when `warningsFilter` return false ([#317](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/317)) ([cabee6c](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/cabee6c))
+
+
+
+<a name="1.2.6"></a>
+## [1.2.6](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.2.5...v1.2.6) (2018-06-20)
+
+
+### Bug Fixes
+
+* disable inline optimization by default ([#308](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/308)) ([6ab0918](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/6ab0918))
+* don't use a worker farm unless more than one process is required ([#280](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/280)) ([3f0767b](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/3f0767b))
+* better handle invalid source map ([#284](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/284)) ([dbebb3b](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/dbebb3b))
+* perf regression with memory usage for source maps ([#305](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/305)) ([3ca5eaf](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/3ca5eaf))
+* return missing important information for uglify warnings ([#306](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/306)) ([4f50156](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/4f50156))
+
+
+
+<a name="1.2.5"></a>
+## [1.2.5](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.2.4...v1.2.5) (2018-04-18)
+
+
+### Bug Fixes
+
+* don't handle invalid source map ([#268](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/268)) ([693e45e](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/693e45e))
+
+
+### Performance Improvements
+
+* **sourcemaps:** reduce memory usage ([#276](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/276)) ([0b11134](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/0b11134))
+
+
+
+<a name="1.2.4"></a>
+## [1.2.4](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.2.3...v1.2.4) (2018-03-16)
+
+
+### Bug Fixes
+
+* **index:** correct default asset name `{RegExp}` (`options.test`) ([#259](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/259)) ([f9e55fe](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/f9e55fe))
+* **index:** don't remove legal comments by default (`options.extractComments`) ([#250](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/250)) ([b31b574](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/b31b574))
+
+
+
+<a name="1.2.3"></a>
+## [1.2.3](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.2.2...v1.2.3) (2018-03-10)
+
+
+### Bug Fixes
+
+* **index:** correct `[name].js.LICENSE` file path (`options.extractComments`) ([#249](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/249)) ([430111c](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/430111c))
+* **index:** relax default asset name `{RegExp}` (`options.test`) ([#251](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/251)) ([d27e822](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/d27e822))
+* **package:** update `schema-utils` v0.4.3...0.4.5 (`dependencies`) ([#255](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/255)) ([4c0feb8](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/4c0feb8))
+* **package:** update`cacache` v10.0.1...10.0.4 (`dependencies`) ([#253](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/253)) ([8b0c0cd](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/8b0c0cd))
+
+
+### Performance Improvements
+
+* **index:** switch to `md4` for content hashing ([#243](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/243)) ([14d2c4c](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/14d2c4c))
+
+
+
+<a name="1.2.2"></a>
+## [1.2.2](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.2.1...v1.2.2) (2018-02-24)
+
+
+### Bug Fixes
+
+* **index:** typo `buildMobule` => `buildModule` ([#242](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/242)) ([259adad](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/259adad))
+* **package:** add `webpack >= v4.0.0` (`peerDependencies`) ([#239](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/239)) ([4c7f80a](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/4c7f80a))
+
+
+
+<a name="1.2.1"></a>
+## [1.2.1](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.2.0...v1.2.1) (2018-02-23)
+
+
+### Bug Fixes
+
+* **index:** `tapable` deprecation warnings (`webpack >= v4.0.0`) ([#238](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/238)) ([23b1b38](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/23b1b38))
+
+
+
+<a name="1.2.0"></a>
+# [1.2.0](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.1.8...v1.2.0) (2018-02-16)
+
+
+### Features
+
+* **uglify:** add missing `toplevel`, `nameCache`, `keep_classnames`, `keep_fnames` and `safari10` options (`uglifyOptions`) ([#229](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/229)) ([990de2a](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/990de2a))
+
+
+
+<a name="1.1.8"></a>
+## [1.1.8](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.1.7...v1.1.8) (2018-01-29)
+
+
+### Bug Fixes
+
+* **package:** use `prepare` instead of `prepublish` for release ([43ffa48](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/43ffa48))
+
+
+### Reverts
+
+* **README:** `mangle.props` instead of `mangle.properties` ([44b77e3](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/44b77e3))
+
+
+
+<a name="1.1.7"></a>
+## [1.1.7](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.1.6...v1.1.7) (2018-01-29)
+
+
+### Bug Fixes
+
+* **index:** reduce memory consumption (`cacheKey.hash`) ([#215](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/215)) ([2343274](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/2343274))
+
+
+<a name="1.1.6"></a>
+## [1.1.6](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.1.5...v1.1.6) (2018-01-05)
+
+
+### Bug Fixes
+
+* **index:** don't pass `compilation` as an argument to `UglifyJsPlugin.buildError` ([#201](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/201)) ([339ca10](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/339ca10))
+
+
+### Reverts
+
+* **package:** use exact `uglify-es` version (`dependencies`) ([#199](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/199)) ([#202](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/202)) ([426bafd](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/426bafd))
+
+
+
+<a name="1.1.5"></a>
+## [1.1.5](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.1.4...v1.1.5) (2017-12-27)
+
+
+### Bug Fixes
+
+* **package:** use exact `uglify-es` version (`dependencies`) ([#199](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/199)) ([2e2ed36](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/2e2ed36))
+
+
+
+<a name="1.1.4"></a>
+## [1.1.4](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.1.3...v1.1.4) (2017-12-14)
+
+
+### Chores
+
+* update `uglify-es` v3.2.0...v3.2.1 ([#190](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/190)) ([b356f74](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/b356f74))
+
+
+
+<a name="1.1.3"></a>
+## [1.1.3](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.1.2...v1.1.3) (2017-12-14)
+
+
+### Refactoring
+
+* use `serialize-javascript` package instead own implementatin ([#183](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/183)) ([8d7ebcd](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/8d7ebcd))
+
+
+
+<a name="1.1.2"></a>
+## [1.1.2](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.1.1...v1.1.2) (2017-11-30)
+
+
+### Chores
+
+* update `uglify-es` v3.1.3...3.2.0 ([#176](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/176)) ([3be7f62](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/3be7f62))
+
+
+
+<a name="1.1.1"></a>
+## [1.1.1](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.1.0...v1.1.1) (2017-11-23)
+
+
+### Bug Fixes
+
+* comments behavior (`options.uglifyOptions.comments/options.extractComments`) ([#174](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/174)) ([321c9f6](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/321c9f6))
+* **index:** ensure to nullify `inputSourceMap` if `sourcemap` is unavailable (`devtool`) ([#169](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/169)) ([062ec72](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/062ec72))
+* **index:** set `maxConcurrentCallsPerWorker` to 1 (`options.parallel`) ([#173](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/173)) ([07c57c1](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/07c57c1))
+
+
+
+<a name="1.1.0"></a>
+# [1.1.0](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.0.1...v1.1.0) (2017-11-19)
+
+
+### Bug Fixes
+
+* **index:** `exclude` is ignored (`options.exclude`)  ([#164](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/164)) ([ad17690](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/ad17690))
+* pass of `{Boolean|Function}` parameters being ignored (`options.extractComments`) ([#168](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/168)) ([2c06f46](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/2c06f46))
+
+
+### Features
+
+* `include` option ([#167](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/167)) ([bbe0ef5](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/bbe0ef5))
+
+
+
+<a name="1.0.1"></a>
+## [1.0.1](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.0.0...v1.0.1) (2017-10-24)
+
+
+### Bug Fixes
+
+* **minify:** `nameCache` assignment (`uglifyOptions.nameCache`) ([#147](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/147)) ([af11e8e](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/af11e8e))
+
+
+
+<a name="1.0.0"></a>
+# [1.0.0](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.0.0-rc.0...v1.0.0) (2017-10-23)
+
+
+### Features
+
+* update to `uglify-es` ([#63](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/63)) ([1d62560](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/1d62560))
+
+* add support for `parallelization` && `caching` (`options.parallel`) ([#77](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/77)) ([ee16639](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/ee16639))
+* **index:** add `options` validation (`schema-utils`) ([#80](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/80)) ([f19b2de](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/f19b2de))
+
+
+### Bug Fixes
+
+* **deps:** cacache@10 with ISC licence ([#145](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/145)) ([9331034](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/9331034))
+* typo "filterd" -> "filtered" ([#37](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/37)) ([238c373](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/238c373))
+* **package:** mv uglify2 to `dependencies` && update `peerDependencies` ([#45](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/45)) ([93b0cd2](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/93b0cd2))
+* **uglify:** use Compress API not ast.transform ([990f2e2](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/990f2e2))
+
+
+### Code Refactoring
+
+* apply `webpack-defaults` ([#35](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/35)) ([f6c5aa9](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/f6c5aa9))
+
+
+### BREAKING CHANGES
+
+* Enforces `peerDependencies` of `"webpack": ">= 3.0.0-rc.0 || ^3.0.0"`.
+* Enforces `engines` of `"node": ">=4.3.0 < 5.0.0 || >= 5.10`
+
+
+
+<a name="1.0.0-rc.0"></a>
+# [1.0.0-rc.0](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.0.0-beta.2...v1.0.0-rc.0) (2017-10-23)
+
+
+
+<a name="1.0.0-beta.3"></a>
+# [1.0.0-beta.3](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.0.0-beta.2...v1.0.0-beta.3) (2017-09-29)
+
+
+
+<a name="1.0.0-beta.2"></a>
+# [1.0.0-beta.2](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.0.0-beta.1...v1.0.0-beta.2) (2017-07-21)
+
+
+### Features
+
+* add support for `parallelization` && `caching` (`options.parallel`) ([#77](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/77)) ([ee16639](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/ee16639))
+* **index:** add `options` validation (`schema-utils`) ([#80](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/80)) ([f19b2de](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/f19b2de))
+
+
+
+<a name="1.0.0-beta.1"></a>
+# [1.0.0-beta.1](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v1.0.0-beta.0...v1.0.0-beta.1) (2017-07-06)
+
+
+### Features
+
+* update to `uglify-es` ([#63](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/63)) ([1d62560](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/1d62560))
+
+
+
+<a name="1.0.0-beta.0"></a>
+# [1.0.0-beta.0](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v0.1.4...v1.0.0-beta.0) (2017-06-29)
+
+
+### Bug Fixes
+
+* typo "filterd" -> "filtered" ([#37](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/37)) ([238c373](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/238c373))
+* **package:** mv uglify2 to `dependencies` && update `peerDependencies` ([#45](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/45)) ([93b0cd2](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/93b0cd2))
+* **uglify:** use Compress API not ast.transform ([990f2e2](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/990f2e2))
+
+
+### Code Refactoring
+
+* apply `webpack-defaults` ([#35](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/35)) ([f6c5aa9](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/f6c5aa9))
+
+
+### BREAKING CHANGES
+
+* Enforces `peerDependencies` of `"webpack": ">= 3.0.0-rc.0 || ^3.0.0"`.
+* Enforces `engines` of `"node": ">=4.3.0 < 5.0.0 || >= 5.10`
+
+
+
+<a name="0.4.6"></a>
+## [0.4.6](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/compare/v0.1.4...v0.4.6) (2017-06-29)
+
+
+### Bug Fixes
+
+* typo "filterd" -> "filtered" ([#37](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/37)) ([238c373](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/238c373))
+* **package:** mv uglify2 to `dependencies` && update `peerDependencies` ([#45](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/45)) ([93b0cd2](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/93b0cd2))
+* **uglify:** use Compress API not ast.transform ([990f2e2](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/commit/990f2e2))
diff --git a/node_modules/uglifyjs-webpack-plugin/LICENSE b/node_modules/uglifyjs-webpack-plugin/LICENSE
new file mode 100644
index 00000000..8c11fc72
--- /dev/null
+++ b/node_modules/uglifyjs-webpack-plugin/LICENSE
@@ -0,0 +1,20 @@
+Copyright JS Foundation and other contributors
+
+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.
diff --git a/node_modules/uglifyjs-webpack-plugin/README.md b/node_modules/uglifyjs-webpack-plugin/README.md
new file mode 100644
index 00000000..a8147638
--- /dev/null
+++ b/node_modules/uglifyjs-webpack-plugin/README.md
@@ -0,0 +1,434 @@
+[![npm][npm]][npm-url]
+[![node][node]][node-url]
+[![deps][deps]][deps-url]
+[![test][test]][test-url]
+[![coverage][cover]][cover-url]
+[![chat][chat]][chat-url]
+
+
+<div align="center">
+  <a href="https://github.com/webpack/webpack">
+    <img width="200" height="200"
+      src="https://cdn.rawgit.com/webpack/media/e7485eb2/logo/icon.svg">
+  </a>
+  <h1>UglifyJS Webpack Plugin</h1>
+	<p>This plugin uses <a href="https://github.com/mishoo/UglifyJS2/tree/harmony">UglifyJS v3 </a><a href="https://npmjs.com/package/uglify-es">(`uglify-es`)</a> to minify your JavaScript</p>
+</div>
+
+> ℹ️  `webpack < v4.0.0` currently contains [`v0.4.6`](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/tree/version-0.4) of this plugin under `webpack.optimize.UglifyJsPlugin` as an alias. For usage of the latest version (`v1.0.0`), please follow the instructions below. Aliasing `v1.0.0` as `webpack.optimize.UglifyJsPlugin` is scheduled for `webpack v4.0.0`
+
+<h2 align="center">Install</h2>
+
+```bash
+npm i -D uglifyjs-webpack-plugin
+```
+
+<h2 align="center">Usage</h2>
+
+**webpack.config.js**
+```js
+const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
+
+module.exports = {
+  //...
+  optimization: {
+    minimizer: [
+      new UglifyJsPlugin()
+    ]
+  }
+}
+```
+
+<h2 align="center">Options</h2>
+
+|Name|Type|Default|Description|
+|:--:|:--:|:-----:|:----------|
+|**`test`**|`{RegExp\|Array<RegExp>}`| <code>/\\.js$/i</code>|Test to match files against|
+|**`include`**|`{RegExp\|Array<RegExp>}`|`undefined`|Files to `include`|
+|**`exclude`**|`{RegExp\|Array<RegExp>}`|`undefined`|Files to `exclude`|
+|**`cache`**|`{Boolean\|String}`|`false`|Enable file caching|
+|**`cacheKeys`**|`{Function(defaultCacheKeys, file) -> {Object}}`|`defaultCacheKeys => defaultCacheKeys`|Allows you to override default cache keys|
+|**`parallel`**|`{Boolean\|Number}`|`false`|Use multi-process parallel running to improve the build speed|
+|**`sourceMap`**|`{Boolean}`|`false`|Use source maps to map error message locations to modules (This slows down the compilation) ⚠️ **`cheap-source-map` options don't work with this plugin**|
+|**`minify`**|`{Function}`|`undefined`|Allows you to override default minify function|
+|**`uglifyOptions`**|`{Object}`|[`{...defaults}`](https://github.com/webpack-contrib/uglifyjs-webpack-plugin/tree/master#uglifyoptions)|`uglify` [Options](https://github.com/mishoo/UglifyJS2/tree/harmony#minify-options)|
+|**`extractComments`**|`{Boolean\|RegExp\|Function<(node, comment) -> {Boolean\|Object}>}`|`false`|Whether comments shall be extracted to a separate file, (see [details](https://github.com/webpack/webpack/commit/71933e979e51c533b432658d5e37917f9e71595a) (`webpack >= 2.3.0`)|
+|**`warningsFilter`**|`{Function(source) -> {Boolean}}`|`() => true`|Allow to filter uglify warnings|
+
+### `test`
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    test: /\.js($|\?)/i
+  })
+]
+```
+
+### `include`
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    include: /\/includes/
+  })
+]
+```
+
+### `exclude`
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    exclude: /\/excludes/
+  })
+]
+```
+
+### `cache`
+
+If you use your own `minify` function please read the `minify` section for cache invalidation correctly.
+
+#### `{Boolean}`
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    cache: true
+  })
+]
+```
+
+Enable file caching.
+Default path to cache directory: `node_modules/.cache/uglifyjs-webpack-plugin`.
+
+#### `{String}`
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    cache: 'path/to/cache'
+  })
+]
+```
+
+Path to cache directory.
+
+### `cacheKeys`
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    cache: true,
+    cacheKeys: (defaultCacheKeys, file) => {
+      defaultCacheKeys.myCacheKey = 'myCacheKeyValue';
+      
+      return defaultCacheKeys;
+    },
+  })
+]
+```
+
+Allows you to override default cache keys.
+
+Default keys:
+```js
+{
+  'uglify-es': versions.uglify, // uglify version
+  'uglifyjs-webpack-plugin': versions.plugin, // plugin version
+  'uglifyjs-webpack-plugin-options': this.options, // plugin options
+  path: compiler.outputPath ? `${compiler.outputPath}/${file}` : file, // asset path
+  hash: crypto.createHash('md4').update(input).digest('hex'), // source file hash
+}
+```
+
+### `parallel`
+
+#### `{Boolean}`
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    parallel: true
+  })
+]
+```
+
+Enable parallelization.
+Default number of concurrent runs: `os.cpus().length - 1`.
+
+#### `{Number}`
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    parallel: 4
+  })
+]
+```
+
+Number of concurrent runs.
+
+> ℹ️  Parallelization can speedup your build significantly and is therefore **highly recommended**
+
+### `sourceMap`
+
+If you use your own `minify` function please read the `minify` section for handling source maps correctly.
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    sourceMap: true
+  })
+]
+```
+
+> ⚠️ **`cheap-source-map` options don't work with this plugin**
+
+### `minify`
+
+> ⚠️ **Always use `require` inside `minify` function when `parallel` option enabled**
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+     minify(file, sourceMap) {
+       const extractedComments = [];
+
+       // Custom logic for extract comments
+      
+       const { error, map, code, warnings } = require('uglify-module') // Or require('./path/to/uglify-module')
+         .minify(
+           file,
+           { /* Your options for minification */ },
+         );
+
+       return { error, map, code, warnings, extractedComments };
+      }
+  })
+]
+```
+
+By default plugin uses `uglify-es` package.
+
+Examples:
+
+#### `uglify-js`
+
+```bash
+npm i -D uglify-js
+```
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    // Uncomment lines below for cache invalidation correctly
+    // cache: true,
+    // cacheKeys(defaultCacheKeys) {
+    //   return Object.assign(
+    //     {},
+    //     defaultCacheKeys,
+    //     { 'uglify-js': require('uglify-js/package.json').version },
+    //   );
+    // },
+    minify(file, sourceMap) {
+      // https://github.com/mishoo/UglifyJS2#minify-options
+      const uglifyJsOptions = { /* your `uglify-js` package options */ };
+
+      if (sourceMap) {
+        uglifyJsOptions.sourceMap = {
+          content: sourceMap,
+        };
+      }
+
+      return require('uglify-js').minify(file, uglifyJsOptions);
+    }
+  })
+]
+```
+
+#### `terser`
+
+```bash
+npm i -D terser
+```
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    // Uncomment lines below for cache invalidation correctly
+    // cache: true,
+    // cacheKeys(defaultCacheKeys) {
+    //   return Object.assign(
+    //     {},
+    //     defaultCacheKeys,
+    //     { terser: require('terser/package.json').version },
+    //   );
+    // },
+    minify(file, sourceMap) {
+      // https://github.com/fabiosantoscode/terser#minify-options
+      const terserOptions = { /* your `terser` package options */ };
+
+      if (sourceMap) {
+        terserOption.sourceMap = {
+          content: sourceMap,
+        };
+      }
+
+      return require('terser').minify(file, terserOptions);
+    }
+  })
+]
+```
+
+### [`uglifyOptions`](https://github.com/mishoo/UglifyJS2/tree/harmony#minify-options)
+
+|Name|Type|Default|Description|
+|:--:|:--:|:-----:|:----------|
+|**`ecma`**|`{Number}`|`undefined`|Supported ECMAScript Version (`5`, `6`, `7` or `8`). Affects `parse`, `compress` && `output` options|
+|**`warnings`**|`{Boolean}`|`false`|Display Warnings|
+|**[`parse`](https://github.com/mishoo/UglifyJS2/tree/harmony#parse-options)**|`{Object}`|`{}`|Additional Parse Options|
+|**[`compress`](https://github.com/mishoo/UglifyJS2/tree/harmony#compress-options)**|`{Boolean\|Object}`|`true`|Additional Compress Options|
+|**[`mangle`](https://github.com/mishoo/UglifyJS2/tree/harmony#mangle-options)**|`{Boolean\|Object}`|`{inline: false}`|Enable Name Mangling (See [Mangle Properties](https://github.com/mishoo/UglifyJS2/tree/harmony#mangle-properties-options) for advanced setups, use with ⚠️)|
+|**[`output`](https://github.com/mishoo/UglifyJS2/tree/harmony#output-options)**|`{Object}`|`{comments: extractComments ? false : /^\**!\|@preserve\|@license\|@cc_on/,}`|Additional Output Options (The defaults are optimized for best compression)|
+|**`toplevel`**|`{Boolean}`|`false`|Enable top level variable and function name mangling and to drop unused variables and functions|
+|**`nameCache`**|`{Object}`|`null`|Enable cache of mangled variable and property names across multiple invocations|
+|**`ie8`**|`{Boolean}`|`false`|Enable IE8 Support|
+|**`keep_classnames`**|`{Boolean}`|`undefined`|Enable prevent discarding or mangling of class names|
+|**`keep_fnames`**|`{Boolean}`|`false`| Enable prevent discarding or mangling of function names. Useful for code relying on `Function.prototype.name`. If the top level minify option `keep_classnames` is `undefined` it will be overriden with the value of the top level minify option `keep_fnames`|
+|**`safari10`**|`{Boolean}`|`false`|Enable work around Safari 10/11 bugs in loop scoping and `await`|
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    uglifyOptions: {
+      ecma: 8,
+      warnings: false,
+      parse: {...options},
+      compress: {...options},
+      mangle: {
+        ...options,
+        properties: {
+          // mangle property options
+        }
+      },
+      output: {
+        comments: false,
+        beautify: false,
+        ...options
+      },
+      toplevel: false,
+      nameCache: null,
+      ie8: false,
+      keep_classnames: undefined,
+      keep_fnames: false,
+      safari10: false,
+    }
+  })
+]
+```
+
+### `extractComments`
+
+#### `{Boolean}`
+
+All comments that normally would be preserved by the `comments` option will be moved to a separate file. If the original file is named `foo.js`, then the comments will be stored to `foo.js.LICENSE`.
+
+#### `{RegExp|String}` or  `{Function<(node, comment) -> {Boolean}>}`
+
+All comments that match the given expression (resp. are evaluated to `true` by the function) will be extracted to the separate file. The `comments` option specifies whether the comment will be preserved, i.e. it is possible to preserve some comments (e.g. annotations) while extracting others or even preserving comments that have been extracted.
+
+#### `{Object}`
+
+|Name|Type|Default|Description|
+|:--:|:--:|:-----:|:----------|
+|**`condition`**|`{Regex\|Function}`|``|Regular Expression or function (see previous point)|
+|**`filename`**|`{String\|Function}`|`${file}.LICENSE`|The file where the extracted comments will be stored. Can be either a `{String}` or a `{Function<(string) -> {String}>}`, which will be given the original filename. Default is to append the suffix `.LICENSE` to the original filename|
+|**`banner`**|`{Boolean\|String\|Function}`|`/*! For license information please see ${filename}.js.LICENSE */`|The banner text that points to the extracted file and will be added on top of the original file. Can be `false` (no banner), a `{String}`, or a `{Function<(string) -> {String}` that will be called with the filename where extracted comments have been stored. Will be wrapped into comment|
+
+### `warningsFilter`
+
+**webpack.config.js**
+```js
+[
+  new UglifyJsPlugin({
+    warningsFilter: (src) => true
+  })
+]
+```
+
+<h2 align="center">Maintainers</h2>
+
+<table>
+  <tbody>
+    <tr>
+      <td align="center">
+        <a href="https://github.com/hulkish">
+          <img width="150" height="150" src="https://github.com/hulkish.png?size=150">
+          </br>
+          Steven Hargrove
+        </a>
+      </td>
+      <td align="center">
+        <a href="https://github.com/bebraw">
+          <img width="150" height="150" src="https://github.com/bebraw.png?v=3&s=150">
+          </br>
+          Juho Vepsäläinen
+        </a>
+      </td>
+      <td align="center">
+        <a href="https://github.com/d3viant0ne">
+          <img width="150" height="150" src="https://github.com/d3viant0ne.png?v=3&s=150">
+          </br>
+          Joshua Wiens
+        </a>
+      </td>
+      <td align="center">
+        <a href="https://github.com/michael-ciniawsky">
+          <img width="150" height="150" src="https://github.com/michael-ciniawsky.png?v=3&s=150">
+          </br>
+          Michael Ciniawsky
+        </a>
+      </td>
+      <td align="center">
+        <a href="https://github.com/evilebottnawi">
+          <img width="150" height="150" src="https://github.com/evilebottnawi.png?v=3&s=150">
+          </br>
+          Alexander Krasnoyarov
+        </a>
+      </td>
+    </tr>
+  <tbody>
+</table>
+
+
+[npm]: https://img.shields.io/npm/v/uglifyjs-webpack-plugin.svg
+[npm-url]: https://npmjs.com/package/uglifyjs-webpack-plugin
+
+[node]: https://img.shields.io/node/v/uglifyjs-webpack-plugin.svg
+[node-url]: https://nodejs.org
+
+[deps]: https://david-dm.org/webpack-contrib/uglifyjs-webpack-plugin.svg
+[deps-url]: https://david-dm.org/webpack-contrib/uglifyjs-webpack-plugin
+
+[test]: 	https://img.shields.io/circleci/project/github/webpack-contrib/uglifyjs-webpack-plugin.svg
+[test-url]: https://circleci.com/gh/webpack-contrib/uglifyjs-webpack-plugin
+
+[cover]: https://codecov.io/gh/webpack-contrib/uglifyjs-webpack-plugin/branch/master/graph/badge.svg
+[cover-url]: https://codecov.io/gh/webpack-contrib/uglifyjs-webpack-plugin
+
+[chat]: https://img.shields.io/badge/gitter-webpack%2Fwebpack-brightgreen.svg
+[chat-url]: https://gitter.im/webpack/webpack
diff --git a/node_modules/uglifyjs-webpack-plugin/dist/cjs.js b/node_modules/uglifyjs-webpack-plugin/dist/cjs.js
new file mode 100644
index 00000000..61cc3574
--- /dev/null
+++ b/node_modules/uglifyjs-webpack-plugin/dist/cjs.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./index').default;
\ No newline at end of file
diff --git a/node_modules/uglifyjs-webpack-plugin/dist/index.js b/node_modules/uglifyjs-webpack-plugin/dist/index.js
new file mode 100644
index 00000000..7b87cfa6
--- /dev/null
+++ b/node_modules/uglifyjs-webpack-plugin/dist/index.js
@@ -0,0 +1,384 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /* eslint-disable
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       no-param-reassign
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     */
+
+
+var _crypto = require('crypto');
+
+var _crypto2 = _interopRequireDefault(_crypto);
+
+var _path = require('path');
+
+var _path2 = _interopRequireDefault(_path);
+
+var _sourceMap = require('source-map');
+
+var _webpackSources = require('webpack-sources');
+
+var _RequestShortener = require('webpack/lib/RequestShortener');
+
+var _RequestShortener2 = _interopRequireDefault(_RequestShortener);
+
+var _ModuleFilenameHelpers = require('webpack/lib/ModuleFilenameHelpers');
+
+var _ModuleFilenameHelpers2 = _interopRequireDefault(_ModuleFilenameHelpers);
+
+var _schemaUtils = require('schema-utils');
+
+var _schemaUtils2 = _interopRequireDefault(_schemaUtils);
+
+var _options = require('./options.json');
+
+var _options2 = _interopRequireDefault(_options);
+
+var _Runner = require('./uglify/Runner');
+
+var _Runner2 = _interopRequireDefault(_Runner);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var warningRegex = /\[.+:([0-9]+),([0-9]+)\]/;
+
+var UglifyJsPlugin = function () {
+  function UglifyJsPlugin() {
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+    _classCallCheck(this, UglifyJsPlugin);
+
+    (0, _schemaUtils2.default)(_options2.default, options, 'UglifyJs Plugin');
+
+    var minify = options.minify,
+        _options$uglifyOption = options.uglifyOptions,
+        uglifyOptions = _options$uglifyOption === undefined ? {} : _options$uglifyOption,
+        _options$test = options.test,
+        test = _options$test === undefined ? /\.js(\?.*)?$/i : _options$test,
+        _options$warningsFilt = options.warningsFilter,
+        warningsFilter = _options$warningsFilt === undefined ? function () {
+      return true;
+    } : _options$warningsFilt,
+        _options$extractComme = options.extractComments,
+        extractComments = _options$extractComme === undefined ? false : _options$extractComme,
+        _options$sourceMap = options.sourceMap,
+        sourceMap = _options$sourceMap === undefined ? false : _options$sourceMap,
+        _options$cache = options.cache,
+        cache = _options$cache === undefined ? false : _options$cache,
+        _options$cacheKeys = options.cacheKeys,
+        cacheKeys = _options$cacheKeys === undefined ? function (defaultCacheKeys) {
+      return defaultCacheKeys;
+    } : _options$cacheKeys,
+        _options$parallel = options.parallel,
+        parallel = _options$parallel === undefined ? false : _options$parallel,
+        include = options.include,
+        exclude = options.exclude;
+
+
+    this.options = {
+      test,
+      warningsFilter,
+      extractComments,
+      sourceMap,
+      cache,
+      cacheKeys,
+      parallel,
+      include,
+      exclude,
+      minify,
+      uglifyOptions: Object.assign({
+        compress: {
+          inline: 1
+        },
+        output: {
+          comments: extractComments ? false : /^\**!|@preserve|@license|@cc_on/
+        }
+      }, uglifyOptions)
+    };
+  }
+
+  _createClass(UglifyJsPlugin, [{
+    key: 'apply',
+    value: function apply(compiler) {
+      var _this = this;
+
+      var buildModuleFn = function buildModuleFn(moduleArg) {
+        // to get detailed location info about errors
+        moduleArg.useSourceMap = true;
+      };
+
+      var optimizeFn = function optimizeFn(compilation, chunks, callback) {
+        var runner = new _Runner2.default({
+          cache: _this.options.cache,
+          parallel: _this.options.parallel
+        });
+
+        var uglifiedAssets = new WeakSet();
+        var tasks = [];
+
+        chunks.reduce(function (acc, chunk) {
+          return acc.concat(chunk.files || []);
+        }, []).concat(compilation.additionalChunkAssets || []).filter(_ModuleFilenameHelpers2.default.matchObject.bind(null, _this.options)).forEach(function (file) {
+          var inputSourceMap = void 0;
+
+          var asset = compilation.assets[file];
+
+          if (uglifiedAssets.has(asset)) {
+            return;
+          }
+
+          try {
+            var input = void 0;
+
+            if (_this.options.sourceMap && asset.sourceAndMap) {
+              var _asset$sourceAndMap = asset.sourceAndMap(),
+                  source = _asset$sourceAndMap.source,
+                  map = _asset$sourceAndMap.map;
+
+              input = source;
+
+              if (UglifyJsPlugin.isSourceMap(map)) {
+                inputSourceMap = map;
+              } else {
+                inputSourceMap = map;
+
+                compilation.warnings.push(new Error(`${file} contains invalid source map`));
+              }
+            } else {
+              input = asset.source();
+              inputSourceMap = null;
+            }
+
+            // Handling comment extraction
+            var commentsFile = false;
+
+            if (_this.options.extractComments) {
+              commentsFile = _this.options.extractComments.filename || `${file}.LICENSE`;
+
+              if (typeof commentsFile === 'function') {
+                commentsFile = commentsFile(file);
+              }
+            }
+
+            var task = {
+              file,
+              input,
+              inputSourceMap,
+              commentsFile,
+              extractComments: _this.options.extractComments,
+              uglifyOptions: _this.options.uglifyOptions,
+              minify: _this.options.minify
+            };
+
+            if (_this.options.cache) {
+              var defaultCacheKeys = {
+                // eslint-disable-next-line global-require
+                'uglify-es': require('uglify-es/package.json').version,
+                // eslint-disable-next-line global-require
+                'uglifyjs-webpack-plugin': require('../package.json').version,
+                'uglifyjs-webpack-plugin-options': _this.options,
+                path: compiler.outputPath ? `${compiler.outputPath}/${file}` : file,
+                hash: _crypto2.default.createHash('md4').update(input).digest('hex')
+              };
+
+              task.cacheKeys = _this.options.cacheKeys(defaultCacheKeys, file);
+            }
+
+            tasks.push(task);
+          } catch (error) {
+            compilation.errors.push(UglifyJsPlugin.buildError(error, file, UglifyJsPlugin.buildSourceMap(inputSourceMap), new _RequestShortener2.default(compiler.context)));
+          }
+        });
+
+        runner.runTasks(tasks, function (tasksError, results) {
+          if (tasksError) {
+            compilation.errors.push(tasksError);
+
+            return;
+          }
+
+          results.forEach(function (data, index) {
+            var _tasks$index = tasks[index],
+                file = _tasks$index.file,
+                input = _tasks$index.input,
+                inputSourceMap = _tasks$index.inputSourceMap,
+                commentsFile = _tasks$index.commentsFile;
+            var error = data.error,
+                map = data.map,
+                code = data.code,
+                warnings = data.warnings,
+                extractedComments = data.extractedComments;
+
+
+            var sourceMap = null;
+
+            if (error || warnings && warnings.length > 0) {
+              sourceMap = UglifyJsPlugin.buildSourceMap(inputSourceMap);
+            }
+
+            // Handling results
+            // Error case: add errors, and go to next file
+            if (error) {
+              compilation.errors.push(UglifyJsPlugin.buildError(error, file, sourceMap, new _RequestShortener2.default(compiler.context)));
+
+              return;
+            }
+
+            var outputSource = void 0;
+
+            if (map) {
+              outputSource = new _webpackSources.SourceMapSource(code, file, JSON.parse(map), input, inputSourceMap);
+            } else {
+              outputSource = new _webpackSources.RawSource(code);
+            }
+
+            // Write extracted comments to commentsFile
+            if (commentsFile && extractedComments.length > 0) {
+              // Add a banner to the original file
+              if (_this.options.extractComments.banner !== false) {
+                var banner = _this.options.extractComments.banner || `For license information please see ${_path2.default.posix.basename(commentsFile)}`;
+
+                if (typeof banner === 'function') {
+                  banner = banner(commentsFile);
+                }
+
+                if (banner) {
+                  outputSource = new _webpackSources.ConcatSource(`/*! ${banner} */\n`, outputSource);
+                }
+              }
+
+              var commentsSource = new _webpackSources.RawSource(`${extractedComments.join('\n\n')}\n`);
+
+              if (commentsFile in compilation.assets) {
+                // commentsFile already exists, append new comments...
+                if (compilation.assets[commentsFile] instanceof _webpackSources.ConcatSource) {
+                  compilation.assets[commentsFile].add('\n');
+                  compilation.assets[commentsFile].add(commentsSource);
+                } else {
+                  compilation.assets[commentsFile] = new _webpackSources.ConcatSource(compilation.assets[commentsFile], '\n', commentsSource);
+                }
+              } else {
+                compilation.assets[commentsFile] = commentsSource;
+              }
+            }
+
+            // Updating assets
+            uglifiedAssets.add(compilation.assets[file] = outputSource);
+
+            // Handling warnings
+            if (warnings && warnings.length > 0) {
+              warnings.forEach(function (warning) {
+                var builtWarning = UglifyJsPlugin.buildWarning(warning, file, sourceMap, _this.options.warningsFilter, new _RequestShortener2.default(compiler.context));
+
+                if (builtWarning) {
+                  compilation.warnings.push(builtWarning);
+                }
+              });
+            }
+          });
+
+          runner.exit();
+
+          callback();
+        });
+      };
+
+      /* istanbul ignore if */
+      if (compiler.hooks) {
+        var plugin = { name: 'UglifyJSPlugin' };
+
+        compiler.hooks.compilation.tap(plugin, function (compilation) {
+          if (_this.options.sourceMap) {
+            compilation.hooks.buildModule.tap(plugin, buildModuleFn);
+          }
+
+          compilation.hooks.optimizeChunkAssets.tapAsync(plugin, optimizeFn.bind(_this, compilation));
+        });
+      } else {
+        compiler.plugin('compilation', function (compilation) {
+          if (_this.options.sourceMap) {
+            compilation.plugin('build-module', buildModuleFn);
+          }
+
+          compilation.plugin('optimize-chunk-assets', optimizeFn.bind(_this, compilation));
+        });
+      }
+    }
+  }], [{
+    key: 'isSourceMap',
+    value: function isSourceMap(input) {
+      // All required options for `new SourceMapConsumer(...options)`
+      // https://github.com/mozilla/source-map#new-sourcemapconsumerrawsourcemap
+      return Boolean(input && input.version && input.sources && Array.isArray(input.sources) && typeof input.mappings === 'string');
+    }
+  }, {
+    key: 'buildSourceMap',
+    value: function buildSourceMap(inputSourceMap) {
+      if (!inputSourceMap || !UglifyJsPlugin.isSourceMap(inputSourceMap)) {
+        return null;
+      }
+
+      return new _sourceMap.SourceMapConsumer(inputSourceMap);
+    }
+  }, {
+    key: 'buildError',
+    value: function buildError(err, file, sourceMap, requestShortener) {
+      // Handling error which should have line, col, filename and message
+      if (err.line) {
+        var original = sourceMap && sourceMap.originalPositionFor({
+          line: err.line,
+          column: err.col
+        });
+
+        if (original && original.source && requestShortener) {
+          return new Error(`${file} from UglifyJs\n${err.message} [${requestShortener.shorten(original.source)}:${original.line},${original.column}][${file}:${err.line},${err.col}]`);
+        }
+
+        return new Error(`${file} from UglifyJs\n${err.message} [${file}:${err.line},${err.col}]`);
+      } else if (err.stack) {
+        return new Error(`${file} from UglifyJs\n${err.stack}`);
+      }
+
+      return new Error(`${file} from UglifyJs\n${err.message}`);
+    }
+  }, {
+    key: 'buildWarning',
+    value: function buildWarning(warning, file, sourceMap, warningsFilter, requestShortener) {
+      if (!file || !sourceMap) {
+        return `UglifyJs Plugin: ${warning}`;
+      }
+
+      var warningMessage = warning;
+
+      var match = warningRegex.exec(warning);
+
+      if (match) {
+        var line = +match[1];
+        var column = +match[2];
+        var original = sourceMap.originalPositionFor({
+          line,
+          column
+        });
+
+        if (warningsFilter && !warningsFilter(original.source)) {
+          return null;
+        }
+
+        if (original && original.source && original.source !== file && requestShortener) {
+          warningMessage = `${warningMessage.replace(warningRegex, '')}[${requestShortener.shorten(original.source)}:${original.line},${original.column}]`;
+        }
+      }
+
+      return `UglifyJs Plugin: ${warningMessage} in ${file}`;
+    }
+  }]);
+
+  return UglifyJsPlugin;
+}();
+
+exports.default = UglifyJsPlugin;
\ No newline at end of file
diff --git a/node_modules/uglifyjs-webpack-plugin/dist/options.json b/node_modules/uglifyjs-webpack-plugin/dist/options.json
new file mode 100644
index 00000000..f9ee3860
--- /dev/null
+++ b/node_modules/uglifyjs-webpack-plugin/dist/options.json
@@ -0,0 +1,74 @@
+{
+  "type": "object",
+  "properties": {
+    "test": {},
+    "include": {},
+    "exclude": {},
+    "cache": {
+      "oneOf": [
+        { "type": "boolean" },
+        { "type": "string" }
+      ]
+    },
+    "cacheKeys": {
+      "instanceof": "Function"
+    },
+    "parallel": {
+      "oneOf": [
+        { "type": "boolean" },
+        { "type": "integer" }
+      ]
+    },
+    "sourceMap": {
+      "type": "boolean"
+    },
+    "minify": {
+      "instanceof": "Function"
+    },
+    "uglifyOptions": {
+      "additionalProperties": true,
+      "type": "object",
+      "properties": {
+        "ecma": {
+          "type": "integer",
+          "minimum": 5,
+          "maximum": 8
+        },
+        "warnings": {
+          "type": ["boolean", "string"],
+          "enum": [true, false, "verbose"]
+        },
+        "ie8": {
+          "type": "boolean"
+        },
+        "parse": {
+          "type": "object"
+        },
+        "compress": {
+          "type": ["boolean", "object"]
+        },
+        "mangle": {
+          "type": ["boolean", "object"],
+          "properties": {
+            "properties": {
+              "type": ["boolean", "object"]
+            }
+          }
+        },
+        "output": {
+          "type": ["object", "null"]
+        },
+        "toplevel": {
+          "type": "boolean"
+        },
+        "nameCache": {
+          "type": ["object", "null"]
+        }
+      }
+    },
+    "extractComments": {},
+    "warningsFilter": {}
+  },
+  "additionalProperties": false
+}
+
diff --git a/node_modules/uglifyjs-webpack-plugin/dist/uglify/Runner.js b/node_modules/uglifyjs-webpack-plugin/dist/uglify/Runner.js
new file mode 100644
index 00000000..8bf50307
--- /dev/null
+++ b/node_modules/uglifyjs-webpack-plugin/dist/uglify/Runner.js
@@ -0,0 +1,136 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _os = require('os');
+
+var _os2 = _interopRequireDefault(_os);
+
+var _cacache = require('cacache');
+
+var _cacache2 = _interopRequireDefault(_cacache);
+
+var _findCacheDir = require('find-cache-dir');
+
+var _findCacheDir2 = _interopRequireDefault(_findCacheDir);
+
+var _workerFarm = require('worker-farm');
+
+var _workerFarm2 = _interopRequireDefault(_workerFarm);
+
+var _serializeJavascript = require('serialize-javascript');
+
+var _serializeJavascript2 = _interopRequireDefault(_serializeJavascript);
+
+var _minify = require('./minify');
+
+var _minify2 = _interopRequireDefault(_minify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var workerFile = require.resolve('./worker');
+
+try {
+  // run test
+  workerFile = require.resolve('../../dist/uglify/worker');
+} catch (e) {} // eslint-disable-line no-empty
+
+var Runner = function () {
+  function Runner() {
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+    _classCallCheck(this, Runner);
+
+    var cache = options.cache,
+        parallel = options.parallel;
+
+    this.cacheDir = cache === true ? (0, _findCacheDir2.default)({ name: 'uglifyjs-webpack-plugin' }) : cache;
+    // In some cases cpus() returns undefined
+    // https://github.com/nodejs/node/issues/19022
+    var cpus = _os2.default.cpus() || { length: 1 };
+    this.maxConcurrentWorkers = parallel === true ? cpus.length - 1 : Math.min(Number(parallel) || 0, cpus.length - 1);
+  }
+
+  _createClass(Runner, [{
+    key: 'runTasks',
+    value: function runTasks(tasks, callback) {
+      var _this = this;
+
+      /* istanbul ignore if */
+      if (!tasks.length) {
+        callback(null, []);
+        return;
+      }
+
+      if (this.maxConcurrentWorkers > 1) {
+        var workerOptions = process.platform === 'win32' ? { maxConcurrentWorkers: this.maxConcurrentWorkers, maxConcurrentCallsPerWorker: 1 } : { maxConcurrentWorkers: this.maxConcurrentWorkers };
+        this.workers = (0, _workerFarm2.default)(workerOptions, workerFile);
+        this.boundWorkers = function (options, cb) {
+          return _this.workers((0, _serializeJavascript2.default)(options), cb);
+        };
+      } else {
+        this.boundWorkers = function (options, cb) {
+          try {
+            cb(null, (0, _minify2.default)(options));
+          } catch (error) {
+            cb(error);
+          }
+        };
+      }
+
+      var toRun = tasks.length;
+      var results = [];
+      var step = function step(index, data) {
+        toRun -= 1;
+        results[index] = data;
+
+        if (!toRun) {
+          callback(null, results);
+        }
+      };
+
+      tasks.forEach(function (task, index) {
+        var enqueue = function enqueue() {
+          _this.boundWorkers(task, function (error, data) {
+            var result = error ? { error } : data;
+            var done = function done() {
+              return step(index, result);
+            };
+
+            if (_this.cacheDir && !result.error) {
+              _cacache2.default.put(_this.cacheDir, (0, _serializeJavascript2.default)(task.cacheKeys), JSON.stringify(data)).then(done, done);
+            } else {
+              done();
+            }
+          });
+        };
+
+        if (_this.cacheDir) {
+          _cacache2.default.get(_this.cacheDir, (0, _serializeJavascript2.default)(task.cacheKeys)).then(function (_ref) {
+            var data = _ref.data;
+            return step(index, JSON.parse(data));
+          }, enqueue);
+        } else {
+          enqueue();
+        }
+      });
+    }
+  }, {
+    key: 'exit',
+    value: function exit() {
+      if (this.workers) {
+        _workerFarm2.default.end(this.workers);
+      }
+    }
+  }]);
+
+  return Runner;
+}();
+
+exports.default = Runner;
\ No newline at end of file
diff --git a/node_modules/uglifyjs-webpack-plugin/dist/uglify/minify.js b/node_modules/uglifyjs-webpack-plugin/dist/uglify/minify.js
new file mode 100644
index 00000000..0ff648c4
--- /dev/null
+++ b/node_modules/uglifyjs-webpack-plugin/dist/uglify/minify.js
@@ -0,0 +1,179 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _uglifyEs = require('uglify-es');
+
+var _uglifyEs2 = _interopRequireDefault(_uglifyEs);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var buildUglifyOptions = function buildUglifyOptions() {
+  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+      ecma = _ref.ecma,
+      warnings = _ref.warnings,
+      _ref$parse = _ref.parse,
+      parse = _ref$parse === undefined ? {} : _ref$parse,
+      _ref$compress = _ref.compress,
+      compress = _ref$compress === undefined ? {} : _ref$compress,
+      mangle = _ref.mangle,
+      output = _ref.output,
+      toplevel = _ref.toplevel,
+      nameCache = _ref.nameCache,
+      ie8 = _ref.ie8,
+      keep_classnames = _ref.keep_classnames,
+      keep_fnames = _ref.keep_fnames,
+      safari10 = _ref.safari10;
+
+  return {
+    ecma,
+    warnings,
+    parse: Object.assign({}, parse),
+    compress: typeof compress === 'boolean' ? compress : Object.assign({}, compress),
+    // eslint-disable-next-line no-nested-ternary
+    mangle: mangle == null ? true : typeof mangle === 'boolean' ? mangle : Object.assign({}, mangle),
+    output: Object.assign({
+      shebang: true,
+      comments: false,
+      beautify: false,
+      semicolons: true
+    }, output),
+    // Ignoring sourceMap from options
+    sourceMap: null,
+    toplevel,
+    nameCache,
+    ie8,
+    keep_classnames,
+    keep_fnames,
+    safari10
+  };
+}; /* eslint-disable
+     arrow-body-style
+   */
+
+
+var buildComments = function buildComments(options, uglifyOptions, extractedComments) {
+  var condition = {};
+  var commentsOpts = uglifyOptions.output.comments;
+
+  // /^\**!|@preserve|@license|@cc_on/
+  if (typeof options.extractComments === 'boolean') {
+    condition.preserve = commentsOpts;
+    condition.extract = /^\**!|@preserve|@license|@cc_on/;
+  } else if (typeof options.extractComments === 'string' || options.extractComments instanceof RegExp) {
+    // extractComments specifies the extract condition and commentsOpts specifies the preserve condition
+    condition.preserve = commentsOpts;
+    condition.extract = options.extractComments;
+  } else if (typeof options.extractComments === 'function') {
+    condition.preserve = false;
+    condition.extract = options.extractComments;
+  } else if (Object.prototype.hasOwnProperty.call(options.extractComments, 'condition')) {
+    // Extract condition is given in extractComments.condition
+    condition.preserve = commentsOpts;
+    condition.extract = options.extractComments.condition;
+  } else {
+    // No extract condition is given. Extract comments that match commentsOpts instead of preserving them
+    condition.preserve = false;
+    condition.extract = commentsOpts;
+  }
+
+  // Ensure that both conditions are functions
+  ['preserve', 'extract'].forEach(function (key) {
+    var regexStr = void 0;
+    var regex = void 0;
+
+    switch (typeof condition[key]) {
+      case 'boolean':
+        condition[key] = condition[key] ? function () {
+          return true;
+        } : function () {
+          return false;
+        };
+
+        break;
+      case 'function':
+        break;
+      case 'string':
+        if (condition[key] === 'all') {
+          condition[key] = function () {
+            return true;
+          };
+
+          break;
+        }
+
+        if (condition[key] === 'some') {
+          condition[key] = function (astNode, comment) {
+            return comment.type === 'comment2' && /@preserve|@license|@cc_on/i.test(comment.value);
+          };
+
+          break;
+        }
+
+        regexStr = condition[key];
+
+        condition[key] = function (astNode, comment) {
+          return new RegExp(regexStr).test(comment.value);
+        };
+
+        break;
+      default:
+        regex = condition[key];
+
+        condition[key] = function (astNode, comment) {
+          return regex.test(comment.value);
+        };
+    }
+  });
+
+  // Redefine the comments function to extract and preserve
+  // comments according to the two conditions
+  return function (astNode, comment) {
+    if (condition.extract(astNode, comment)) {
+      extractedComments.push(comment.type === 'comment2' ? `/*${comment.value}*/` : `//${comment.value}`);
+    }
+
+    return condition.preserve(astNode, comment);
+  };
+};
+
+var minify = function minify(options) {
+  var file = options.file,
+      input = options.input,
+      inputSourceMap = options.inputSourceMap,
+      extractComments = options.extractComments,
+      minifyFn = options.minify;
+
+
+  if (minifyFn) {
+    return minifyFn({ [file]: input }, inputSourceMap);
+  }
+
+  // Copy uglify options
+  var uglifyOptions = buildUglifyOptions(options.uglifyOptions);
+
+  // Add source map data
+  if (inputSourceMap) {
+    uglifyOptions.sourceMap = {
+      content: inputSourceMap
+    };
+  }
+
+  var extractedComments = [];
+
+  if (extractComments) {
+    uglifyOptions.output.comments = buildComments(options, uglifyOptions, extractedComments);
+  }
+
+  var _uglify$minify = _uglifyEs2.default.minify({ [file]: input }, uglifyOptions),
+      error = _uglify$minify.error,
+      map = _uglify$minify.map,
+      code = _uglify$minify.code,
+      warnings = _uglify$minify.warnings;
+
+  return { error, map, code, warnings, extractedComments };
+};
+
+exports.default = minify;
\ No newline at end of file
diff --git a/node_modules/uglifyjs-webpack-plugin/dist/uglify/worker.js b/node_modules/uglifyjs-webpack-plugin/dist/uglify/worker.js
new file mode 100644
index 00000000..94493565
--- /dev/null
+++ b/node_modules/uglifyjs-webpack-plugin/dist/uglify/worker.js
@@ -0,0 +1,20 @@
+'use strict';
+
+var _minify = require('./minify');
+
+var _minify2 = _interopRequireDefault(_minify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+module.exports = function (options, callback) {
+  try {
+    // 'use strict' => this === undefined (Clean Scope)
+    // Safer for possible security issues, albeit not critical at all here
+    // eslint-disable-next-line no-new-func, no-param-reassign
+    options = new Function('exports', 'require', 'module', '__filename', '__dirname', `'use strict'\nreturn ${options}`)(exports, require, module, __filename, __dirname);
+
+    callback(null, (0, _minify2.default)(options));
+  } catch (errors) {
+    callback(errors);
+  }
+};
\ No newline at end of file
diff --git a/node_modules/uglifyjs-webpack-plugin/node_modules/.bin/uglifyjs b/node_modules/uglifyjs-webpack-plugin/node_modules/.bin/uglifyjs
new file mode 120000
index 00000000..4dc3ac83
--- /dev/null
+++ b/node_modules/uglifyjs-webpack-plugin/node_modules/.bin/uglifyjs
@@ -0,0 +1 @@
+../../../uglify-es/bin/uglifyjs
\ No newline at end of file
diff --git a/node_modules/uglifyjs-webpack-plugin/node_modules/.bin/webpack b/node_modules/uglifyjs-webpack-plugin/node_modules/.bin/webpack
new file mode 120000
index 00000000..8a1900f6
--- /dev/null
+++ b/node_modules/uglifyjs-webpack-plugin/node_modules/.bin/webpack
@@ -0,0 +1 @@
+../../../webpack/bin/webpack.js
\ No newline at end of file
diff --git a/node_modules/uglifyjs-webpack-plugin/package.json b/node_modules/uglifyjs-webpack-plugin/package.json
new file mode 100644
index 00000000..bc4d9afe
--- /dev/null
+++ b/node_modules/uglifyjs-webpack-plugin/package.json
@@ -0,0 +1,88 @@
+{
+  "name": "uglifyjs-webpack-plugin",
+  "version": "1.3.0",
+  "description": "UglifyJS plugin for webpack",
+  "author": "webpack Contrib Team",
+  "license": "MIT",
+  "engines": {
+    "node": ">= 4.8 < 5.0.0 || >= 5.10"
+  },
+  "main": "dist/cjs.js",
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "start": "npm run build -- -w",
+    "build": "cross-env NODE_ENV=production babel src -d dist --ignore 'src/**/*.test.js' --copy-files",
+    "test": "jest",
+    "test:watch": "jest --watch",
+    "test:coverage": "jest --collectCoverageFrom='src/**/*.js' --coverage",
+    "prebuild": "npm run clean",
+    "clean": "del-cli dist",
+    "lint": "eslint --cache src test",
+    "lint-staged": "lint-staged",
+    "prepare": "npm run build",
+    "release": "standard-version",
+    "security": "nsp check",
+    "ci:lint": "npm run lint && npm run security",
+    "ci:test": "npm run test -- --runInBand",
+    "ci:coverage": "npm run test:coverage -- --runInBand",
+    "appveyor:test": "npm run test",
+    "webpack-defaults": "webpack-defaults"
+  },
+  "dependencies": {
+    "cacache": "^10.0.4",
+    "find-cache-dir": "^1.0.0",
+    "serialize-javascript": "^1.4.0",
+    "schema-utils": "^0.4.5",
+    "source-map": "^0.6.1",
+    "uglify-es": "^3.3.4",
+    "webpack-sources": "^1.1.0",
+    "worker-farm": "^1.5.2"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.26.0",
+    "babel-jest": "^22.4.3",
+    "babel-plugin-transform-object-rest-spread": "^6.26.0",
+    "babel-polyfill": "^6.26.0",
+    "babel-preset-env": "^1.6.1",
+    "cross-env": "^5.1.3",
+    "del-cli": "^1.1.0",
+    "eslint": "^4.14.0",
+    "eslint-config-webpack": "^1.2.5",
+    "eslint-plugin-import": "^2.8.0",
+    "jest": "^22.4.3",
+    "lint-staged": "^6.0.0",
+    "memory-fs": "^0.4.1",
+    "nsp": "^3.1.0",
+    "pre-commit": "^1.2.2",
+    "standard-version": "^4.3.0",
+    "terser": "^3.7.6",
+    "uglify-js": "^3.4.3",
+    "webpack": "^3.10.0",
+    "webpack-defaults": "^1.6.0"
+  },
+  "peerDependencies": {
+    "webpack": "^2.0.0 || ^3.0.0 || ^4.0.0"
+  },
+  "keywords": [
+    "uglify",
+    "uglify-js",
+    "uglify-es",
+    "webpack",
+    "webpack-plugin"
+  ],
+  "bugs": "https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues",
+  "homepage": "https://github.com/webpack-contrib/uglifyjs-webpack-plugin",
+  "repository": "https://github.com/webpack-contrib/uglifyjs-webpack-plugin.git",
+  "pre-commit": "lint-staged",
+  "lint-staged": {
+    "*.js": [
+      "eslint --fix",
+      "git add"
+    ]
+  },
+  "jest": {
+    "testEnvironment": "node"
+  }
+}