Refresh the editors if necessary and when switching tab to ensure visibility of its content

themes/grav/app/utils/tabs-memory.js

@@ -1,5 +1,6 @@
 import $ from 'jquery';
 import Cookies from 'cookies-js';
+import { Instance as Editors } from '../forms/fields/editor';
 
 let Data = JSON.parse(Cookies.get('grav-tabs-state') || '{}');
 
@@ -9,4 +10,12 @@ $('body').on('touchstart click', '[name^="tab-"]', (event) => {
 
     Data[target.attr('name')] = target.val();
     Cookies.set('grav-tabs-state', JSON.stringify(Data), { expires: Infinity });
+
+    Editors.editors.each((index, editor) => {
+        let codemirror = $(editor).data('codemirror');
+        if (!codemirror) { return; }
+        if (codemirror.display.lastWrapWidth === 0) {
+            codemirror.refresh();
+        }
+    });
 });