ENYO-4653: Abnormal behaviour with 'serve'.

Use a local fork of extract-text-webpack plugin with a webpack 3.x compatibility patch applied until webpack-contrib/extract-text-webpack-plugin#579 is fixed upstream.

.eslintignore

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+extract-text-webpack-plugin
+node_modules

extract-text-webpack-plugin/.editorconfig

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+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+indent_size = 4
+
+# Matches the exact files either package.json or .travis.yml
+[{package.json,.travis.yml}]
+indent_style = space
+indent_size = 2

extract-text-webpack-plugin/.eslintrc

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+{
+	"env": {
+		"node": true
+	},
+	"rules": {
+		"strict": 0,
+		"curly": 0,
+		"quotes": 0,
+		"no-shadow": 0,
+		"no-underscore-dangle": 0
+	}
+}

extract-text-webpack-plugin/.gitattributes

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+* text=auto

extract-text-webpack-plugin/.github/ISSUE_TEMPLATE.md

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+1. Check the version of package you are using. If it's not the newest version, update and try again (see changelog while updating!).
+2. If the issue is still there, write a minimal project showing the problem and expected output.
+3. Link to the project and mention Node version and OS in your report.
+
+**IMPORTANT! You should use [Stack Overflow](https://stackoverflow.com/) for support related questions.**

extract-text-webpack-plugin/.github/PULL_REQUEST_TEMPLATE.md

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+1. [Read and sign the CLA](https://cla.js.foundation/webpack/webpack.js.org). This needs to be done only once. PRs that haven't signed it won't be accepted.
+2. Check out the [development guide](https://webpack.js.org/development/) for the API and development guidelines.
+3. Read through the PR diff carefully as sometimes this can reveal issues. The work will be reviewed, but this can save some effort.
+4. Remove these instructions from your PR as they are for your eyes only.

extract-text-webpack-plugin/.gitignore

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+/node_modules
+
+/example/assets
+
+/test/js
+/coverage
+
+/.idea
+
+.DS_Store

extract-text-webpack-plugin/.travis.yml

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+sudo: false
+language: node_js
+node_js:
+  - node
+  - 6
+  - 4
+script: npm run travis
+
+after_success:
+  - cat ./coverage/lcov.info | node_modules/.bin/coveralls --verbose
+  - cat ./coverage/coverage.json | node_modules/codecov.io/bin/codecov.io.js
+  - rm -rf ./coverage

extract-text-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="2.1.2"></a>
+## [2.1.2](https://github.com/webpack-contrib/extract-text-webpack-plugin/compare/v2.1.1...v2.1.2) (2017-06-08)
+
+
+
+<a name="2.1.1"></a>
+## [2.1.1](https://github.com/webpack-contrib/extract-text-webpack-plugin/compare/v2.1.0...v2.1.1) (2017-06-08)
+
+
+### Bug Fixes
+
+* add a not null check for the content property before throwing error ([#404](https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/404)) ([58dd5d3](https://github.com/webpack-contrib/extract-text-webpack-plugin/commit/58dd5d3))
+* **loader:** rm unnecessary `this.cacheable` (caching) ([#530](https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/530)) ([c3cb091](https://github.com/webpack-contrib/extract-text-webpack-plugin/commit/c3cb091))
+* don't extract from common async chunks ([#508](https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/508)) ([e595417](https://github.com/webpack-contrib/extract-text-webpack-plugin/commit/e595417))
+* validation schema (`schema-utils`) ([#527](https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/527)) ([dfeb347](https://github.com/webpack-contrib/extract-text-webpack-plugin/commit/dfeb347))
+
+
+
+<a name="2.1.0"></a>
+# [2.1.0](https://github.com/webpack/extract-text-webpack-plugin/compare/v2.0.0...v2.1.0) (2017-03-05)
+
+### Features
+
+* The plugin **filename** accepts a function now. [c9a19ad](https://github.com/webpack-contrib/extract-text-webpack-plugin/commit/c9a19ad), closes [#423](https://github.com/webpack-contrib/extract-text-webpack-plugin/pull/423)
+
+<a name="2.0.0"></a>
+# [2.0.0](https://github.com/webpack/extract-text-webpack-plugin/compare/v2.0.0-rc.3...v2.0.0) (2017-02-24)
+
+<a name="2.0.0-rc.2"></a>
+# [2.0.0-rc.2](https://github.com/webpack/extract-text-webpack-plugin/compare/v2.0.0-rc.1...v2.0.0-rc.2) (2017-01-28)
+
+
+### Bug Fixes
+
+* **schema:** allow `extract` to accept omit/remove flags ([8ce93d5](https://github.com/webpack/extract-text-webpack-plugin/commit/8ce93d5)), closes [#371](https://github.com/webpack/extract-text-webpack-plugin/issues/371)
+* **schema:** connect loader schema with the code properly ([03bb4aa](https://github.com/webpack/extract-text-webpack-plugin/commit/03bb4aa))
+* **schema:** emit proper error messages ([70cbd4b](https://github.com/webpack/extract-text-webpack-plugin/commit/70cbd4b))
+
+
+### Features
+
+* **errors:** show nicer errors if there are extra fields ([76a171d](https://github.com/webpack/extract-text-webpack-plugin/commit/76a171d))
+
+
+
+<a name="2.0.0-rc.1"></a>
+# [2.0.0-rc.1](https://github.com/webpack/extract-text-webpack-plugin/compare/v2.0.0-rc.0...v2.0.0-rc.1) (2017-01-28)
+
+
+### Bug Fixes
+
+* **options:** pass proper loader options to children ([#266](https://github.com/webpack/extract-text-webpack-plugin/issues/266)) ([6abf42d](https://github.com/webpack/extract-text-webpack-plugin/commit/6abf42d))
+
+
+
+<a name="2.0.0-rc.0"></a>
+# [2.0.0-rc.0](https://github.com/webpack/extract-text-webpack-plugin/compare/v2.0.0-beta.5...v2.0.0-rc.0) (2017-01-26)
+
+
+### Bug Fixes
+
+* **readme:** Incorrect loader configuration ([e477cc7](https://github.com/webpack/extract-text-webpack-plugin/commit/e477cc7))
+
+
+### Features
+
+* **extract:** return an array of loader objects ([#343](https://github.com/webpack/extract-text-webpack-plugin/issues/343)) ([74b86e0](https://github.com/webpack/extract-text-webpack-plugin/commit/74b86e0))
+
+
+
+# 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.

extract-text-webpack-plugin/ExtractedModule.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+var SourceMapSource = require("webpack-sources").SourceMapSource;
+var RawSource = require("webpack-sources").RawSource;
+
+function ExtractedModule(identifier, originalModule, source, sourceMap, addtitionalInformation, prevModules) {
+	this._identifier = identifier;
+	this._originalModule = originalModule;
+	this._source = source;
+	this._sourceMap = sourceMap;
+	this._prevModules = prevModules;
+	this.addtitionalInformation = addtitionalInformation;
+	this.chunks = [];
+}
+module.exports = ExtractedModule;
+
+ExtractedModule.prototype.getOrder = function() {
+	// http://stackoverflow.com/a/14676665/1458162
+	return /^@import url/.test(this._source) ? 0 : 1;
+};
+
+ExtractedModule.prototype.addChunk = function(chunk) {
+	var idx = this.chunks.indexOf(chunk);
+	if(idx < 0)
+		this.chunks.push(chunk);
+};
+
+ExtractedModule.prototype.removeChunk = function(chunk) {
+	var idx = this.chunks.indexOf(chunk);
+	if(idx >= 0) {
+		this.chunks.splice(idx, 1);
+		chunk.removeModule(this);
+		return true;
+	}
+	return false;
+};
+
+ExtractedModule.prototype.rewriteChunkInReasons = function(oldChunk, newChunks) { };
+
+ExtractedModule.prototype.identifier = function() {
+	return this._identifier;
+};
+
+ExtractedModule.prototype.source = function() {
+	if(this._sourceMap)
+		return new SourceMapSource(this._source, null, this._sourceMap);
+	else
+		return new RawSource(this._source);
+};
+
+ExtractedModule.prototype.getOriginalModule = function() {
+	return this._originalModule;
+};
+
+ExtractedModule.prototype.getPrevModules = function() {
+	return this._prevModules;
+};
+
+ExtractedModule.prototype.addPrevModules = function(prevModules) {
+	prevModules.forEach(function(m) {
+		if(this._prevModules.indexOf(m) < 0)
+			this._prevModules.push(m);
+	}, this);
+};
+
+ExtractedModule.prototype.setOriginalModule = function(originalModule) {
+	this._originalModule = originalModule;
+};

extract-text-webpack-plugin/LICENSE

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+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.

extract-text-webpack-plugin/OrderUndefinedError.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+function OrderUndefinedError(module) {
+	Error.call(this);
+	Error.captureStackTrace(this, OrderUndefinedError);
+	this.name = "OrderUndefinedError";
+	this.message = "Order in extracted chunk undefined";
+	this.module = module;
+}
+module.exports = OrderUndefinedError;
+
+OrderUndefinedError.prototype = Object.create(Error.prototype);