Fullscreen for CKEditor 5 classic editor build (Inline editor not (yet) supported; monitor original repo)

npm i -D @ckeditor/ckeditor5-core
npm i -D @ckeditor/ckeditor5-ui

Include in your ckeditor.js

import FullScreen from './FullScreen';

Include in the plugin List

ClassicEditor.builtinPlugins = [
	....
	FullScreen,
];

And include it in your toolbar

ClassicEditor.defaultConfig = {
	toolbar: {
		items: [
			.....,
			'fullScreen'
		]
	},