Introduced a factory for classes implementing Editor.

src/editor/editorfactory.js

@@ -0,0 +1,94 @@
+/**
+ * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+ */
+
+import HtmlDataProcessor from '@ckeditor/ckeditor5-engine/src/dataprocessor/htmldataprocessor';
+import getDataFromElement from '@ckeditor/ckeditor5-utils/src/dom/getdatafromelement';
+import attachToForm from './utils/attachtoform';
+import secureSourceElement from './utils/securesourceelement';
+import setDataInElement from '@ckeditor/ckeditor5-utils/src/dom/setdatainelement';
+import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
+import { isElement } from 'lodash-es';
+
+export default class EditorFactory {
+	create( EditorClass, sourceElementOrData = '', config = {} ) {
+		const editor = new EditorClass( sourceElementOrData, config );
+
+		const args = [ editor, sourceElementOrData, config ];
+
+		return Promise.resolve()
+			.then( () => this.checkInitialData( ...args ) )
+			.then( () => this.initModel( ...args ) )
+			.then( () => this.initSourceElement( ...args ) )
+			.then( () => this.initPlugins( ...args ) )
+			.then( () => this.initUI( ...args ) )
+			.then( () => this.initData( ...args ) )
+			.then( () => this.fireReady( ...args ) )
+			.then( () => editor );
+	}
+
+	destroy( editor ) {
+		if ( editor.sourceElement ) {
+			setDataInElement( editor.sourceElement, editor.getData() );
+		}
+
+		editor.ui.destroy();
+
+		return Promise.resolve();
+	}
+
+	checkInitialData( editor, sourceElementOrData, config ) {
+		if ( !isElement( sourceElementOrData ) && config.initialData ) {
+			// Documented in core/editor/editorconfig.jdoc.
+			throw new CKEditorError(
+				'editor-create-initial-data: ' +
+				'The config.initialData option cannot be used together with initial data passed in Editor.create().',
+				null
+			);
+		}
+	}
+
+	initModel( editor ) {
+		editor.model.document.createRoot();
+	}
+
+	initSourceElement( editor, sourceElementOrData ) {
+		if ( isElement( sourceElementOrData ) ) {
+			editor.sourceElement = sourceElementOrData;
+
+			secureSourceElement( editor );
+
+			if ( editor.updateSourceElement ) {
+				attachToForm( editor );
+			}
+		}
+	}
+
+	initPlugins( editor ) {
+		return editor.initPlugins();
+	}
+
+	initUI( editor ) {
+		return editor.ui.init();
+	}
+
+	initData( editor, sourceElementOrData, config ) {
+		const initialData = config.initialData || getInitialData( sourceElementOrData );
+
+		// If no plugin has defined the data processor, go with the default.
+		if ( !editor.data.processor ) {
+			editor.data.processor = new HtmlDataProcessor( editor.data.viewDocument );
+		}
+
+		return editor.data.init( initialData );
+	}
+
+	fireReady( editor ) {
+		editor.fire( 'ready' );
+	}
+}
+
+function getInitialData( sourceElementOrData ) {
+	return isElement( sourceElementOrData ) ? getDataFromElement( sourceElementOrData ) : sourceElementOrData;
+}