N°5298 -When opening CKEditor4 data with CKEditor5, if no change has been made return initial data instead of transformed data

js/ckeditor/src/plugins/detect-change/detect-change.plugin.ts

@@ -0,0 +1,34 @@
+import { Plugin, type Editor } from 'ckeditor5/src/core.js';
+import iTopDataProcessor from "./itop-data-processor";
+
+/**
+ * DetectChanges Plugin.
+ *
+ */
+export default class DetectChanges extends Plugin {
+
+    constructor( editor: Editor ) {
+        super( editor );
+        const sInitialValue:string = editor.config.get('detectChanges.initialValue') as string;
+        // TODO 3.2.0: How to use CombodoJSConsole here ?
+        console.debug('DetectChanges initial value', sInitialValue);
+        // If the initial value is not set or empty, we don't need to do anything
+        if( !sInitialValue || sInitialValue === '') {
+            return;
+        }
+        // Initialize our own data processor
+        editor.data.processor= new iTopDataProcessor( editor.data.viewDocument,  sInitialValue,  editor.getData() ) as  iTopDataProcessor;
+        // Listen for the dataReady event only once
+        editor.model.document.once('change:data', () => {
+            // Ignore linter as processor can be any kind of DataProcessor but we're sure that we have an iTopDataProcessor
+            // @ts-ignore
+            editor.data.processor.setTransformedInitialValue( editor.getData());
+        });
+    }
+    init() {
+        
+    }
+    static get pluginName() {
+        return 'DetectChanges';
+    }
+}