update

.editorconfig

@@ -10,3 +10,7 @@ charset = utf-8
 end_of_line = lf
 trim_trailing_whitespace = true
 insert_final_newline = true
+
+[package.json]
+indent_style = space
+tab_width = 2

.eslintrc.js

@@ -0,0 +1,12 @@
+/**
+ * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+ */
+
+/* eslint-env node */
+
+'use strict';
+
+module.exports = {
+	extends: 'ckeditor5'
+};

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,6 +1,6 @@
 ### Suggested merge commit message ([convention](https://github.com/ckeditor/ckeditor5-design/wiki/Git-commit-message-convention))
 
-Type: Message. Closes #000.
+Type: Message. Closes ckeditor/ckeditor5#000.
 
 ---
 

.gitignore

@@ -1 +1,2 @@
 node_modules/
+package-lock.json

.stylelintrc

@@ -0,0 +1,3 @@
+{
+	"extends": "stylelint-config-ckeditor5"
+}

.travis.yml

@@ -0,0 +1,29 @@
+sudo: required
+dist: xenial
+addons:
+  chrome: stable
+  firefox: latest
+language: node_js
+services:
+- xvfb
+node_js:
+- '8'
+cache:
+  yarn: true
+branches:
+  except:
+  - stable
+before_install:
+- export START_TIME=$( date +%s )
+- npm i -g yarn
+install:
+- yarn add @ckeditor/ckeditor5-dev-tests
+- ckeditor5-dev-tests-install-dependencies
+script:
+- ckeditor5-dev-tests-travis
+after_script:
+- export END_TIME=$( date +%s )
+- ckeditor5-dev-tests-notify-travis-status
+env:
+  global:
+  - secure: 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

CONTRIBUTING.md

@@ -1,4 +1,4 @@
 Contributing
 ========================================
 
-Information about contributing can be found on the following page: <https://github.com/ckeditor/ckeditor5/blob/master/CONTRIBUTING.md>.
+See the [official contributors' guide to CKEditor 5](https://ckeditor.com/docs/ckeditor5/latest/framework/guides/contributing/contributing.html) to learn more.

LICENSE.md

@@ -2,21 +2,19 @@ Software License Agreement
 ==========================
 
 **CKEditor 5 classic editor build** – https://github.com/ckeditor/ckeditor5-build-classic <br>
-Copyright (c) 2003-2017, [CKSource](http://cksource.com) Frederico Knabben. All rights reserved.
+Copyright (c) 2003-2020, [CKSource](http://cksource.com) Frederico Knabben. All rights reserved.
 
-Licensed under the terms of any of the following licenses at your choice:
-
-* [GNU General Public License Version 2 or later (the "GPL")](http://www.gnu.org/licenses/gpl.html)
-* [GNU Lesser General Public License Version 2.1 or later (the "LGPL")](http://www.gnu.org/licenses/lgpl.html)
-* [Mozilla Public License Version 1.1 or later (the "MPL")](http://www.mozilla.org/MPL/MPL-1.1.html)
-
-You are not required to, but if you want to explicitly declare the license you have chosen to be bound to when using, reproducing, modifying and distributing this software, just include a text file titled "legal.txt" in your version of this software, indicating your license choice. In any case, your choice will not restrict any recipient of your version of this software to use, reproduce, modify and distribute this software under any of the above licenses.
+Licensed under the terms of [GNU General Public License Version 2 or later](http://www.gnu.org/licenses/gpl.html).
 
 Sources of Intellectual Property Included in CKEditor
 -----------------------------------------------------
 
 Where not otherwise indicated, all CKEditor content is authored by CKSource engineers and consists of CKSource-owned intellectual property. In some specific instances, CKEditor will incorporate work done by developers outside of CKSource with their express permission.
 
+The following libraries are included in CKEditor under the [MIT license](https://opensource.org/licenses/MIT):
+
+* Lo-Dash - Copyright (c) JS Foundation and other contributors https://js.foundation/. Based on Underscore.js, copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors http://underscorejs.org/.
+
 Trademarks
 ----------
 

README.md

@@ -1,27 +1,30 @@
 CKEditor 5 classic editor build
 ========================================
 
-[![Join the chat at https://gitter.im/ckeditor/ckeditor5](https://badges.gitter.im/ckeditor/ckeditor5.svg)](https://gitter.im/ckeditor/ckeditor5?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 [![npm version](https://badge.fury.io/js/%40ckeditor%2Fckeditor5-build-classic.svg)](https://www.npmjs.com/package/@ckeditor/ckeditor5-build-classic)
+[![Build Status](https://travis-ci.org/ckeditor/ckeditor5-build-classic.svg?branch=master)](https://travis-ci.org/ckeditor/ckeditor5-build-classic)
+<br>
 [![Dependency Status](https://david-dm.org/ckeditor/ckeditor5-build-classic/status.svg)](https://david-dm.org/ckeditor/ckeditor5-build-classic)
 [![devDependency Status](https://david-dm.org/ckeditor/ckeditor5-build-classic/dev-status.svg)](https://david-dm.org/ckeditor/ckeditor5-build-classic?type=dev)
 
-The classic editor build for CKEditor 5. Read more about the [classic editor build](https://ckeditor5.github.io/docs/nightly/ckeditor5/latest/builds/guides/overview.html#Classic-editor) and see the [demo](https://ckeditor5.github.io/docs/nightly/ckeditor5/latest/examples/builds/classic-editor.html).
+The classic editor build for CKEditor 5. Read more about the [classic editor build](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/overview.html#classic-editor) and see the [demo](https://ckeditor.com/docs/ckeditor5/latest/examples/builds/classic-editor.html).
+
+![CKEditor 5 classic editor build screenshot](https://c.cksource.com/a/1/img/npm/ckeditor5-build-classic.png)
 
 ## Documentation
 
 See:
 
-* [Installation](https://ckeditor5.github.io/docs/nightly/ckeditor5/latest/builds/guides/integration/installation.html) for how to install this package and what it contains.
-* [Basic API](https://ckeditor5.github.io/docs/nightly/ckeditor5/latest/builds/guides/integration/basic-api.html) for how to create an editor and interact with it.
-* [Configuration](https://ckeditor5.github.io/docs/nightly/ckeditor5/latest/builds/guides/integration/configuration.html) for how to configure the editor.
-* [Creating custom builds](https://ckeditor5.github.io/docs/nightly/ckeditor5/latest/builds/guides/development/custom-builds.html) for how to customize the build (configure and rebuild the editor bundle).
+* [Installation](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/integration/installation.html) for how to install this package and what it contains.
+* [Basic API](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/integration/basic-api.html) for how to create an editor and interact with it.
+* [Configuration](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/integration/configuration.html) for how to configure the editor.
+* [Creating custom builds](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/development/custom-builds.html) for how to customize the build (configure and rebuild the editor bundle).
 
 ## Quick start
 
 First, install the build from npm:
 
-```
+```bash
 npm install --save @ckeditor/ckeditor5-build-classic
 ```
 
@@ -38,8 +41,8 @@ And use it in your website:
 		.then( editor => {
 			window.editor = editor;
 		} )
-		.catch( err => {
-			console.error( err.stack );
+		.catch( error => {
+			console.error( 'There was a problem initializing the editor.', error );
 		} );
 </script>
 ```
@@ -49,21 +52,21 @@ Or in your JavaScript application:
 ```js
 import ClassicEditor from '@ckeditor/ckeditor5-build-classic';
 
-// Or using CommonJS verion:
+// Or using the CommonJS version:
 // const ClassicEditor = require( '@ckeditor/ckeditor5-build-classic' );
 
 ClassicEditor
 	.create( document.querySelector( '#editor' ) )
 	.then( editor => {
 		window.editor = editor;
 	} )
-	.catch( err => {
-		console.error( err.stack );
+	.catch( error => {
+		console.error( 'There was a problem initializing the editor.', error );
 	} );
 ```
 
-**Note:** If you are planning to integrate CKEditor 5 deep into your application, it is actually more convenient and recommended to install and import the source modules directly (like it happens in `ckeditor.js`). Read more in the [Advanced setup guide](https://ckeditor5.github.io/docs/nightly/ckeditor5/latest/builds/guides/integration/advanced-setup.html).
+**Note:** If you are planning to integrate CKEditor 5 deep into your application, it is actually more convenient and recommended to install and import the source modules directly (like it happens in `ckeditor.js`). Read more in the [Advanced setup guide](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/integration/advanced-setup.html).
 
 ## License
 
-Licensed under the GPL, LGPL and MPL licenses, at your choice. For full details about the license, please check the `LICENSE.md` file.
+Licensed under the terms of [GNU General Public License Version 2 or later](http://www.gnu.org/licenses/gpl.html). For full details about the license, please check the `LICENSE.md` file or [https://ckeditor.com/legal/ckeditor-oss-license](https://ckeditor.com/legal/ckeditor-oss-license).