Merge branch 'MDL-82718' of https://github.com/paulholden/moodle

lib/editor/tiny/plugins/media/amd/src/image.js

@@ -27,6 +27,7 @@ import {getImagePermissions} from './options';
 import {getFilePicker} from 'editor_tiny/options';
 import {ImageInsert} from 'tiny_media/imageinsert';
 import {ImageDetails} from 'tiny_media/imagedetails';
+import {prefetchStrings} from 'core/prefetch';
 import {getString} from 'core/str';
 import {
     bodyImageInsert,
@@ -38,6 +39,11 @@ import {
     isPercentageValue,
 } from 'tiny_media/imagehelpers';
 
+prefetchStrings('tiny_media', [
+    'imageurlrequired',
+    'sizecustom_help',
+]);
+
 export default class MediaImage {
     canShowFilePicker = false;
     editor = null;
@@ -138,9 +144,9 @@ export default class MediaImage {
         this.startImageLoading();
         const image = new Image();
         image.src = url;
-        image.addEventListener('error', () => {
+        image.addEventListener('error', async() => {
             const urlWarningLabelEle = this.root.querySelector(Selectors.IMAGE.elements.urlWarning);
-            urlWarningLabelEle.innerHTML = this.langStrings.imageurlrequired;
+            urlWarningLabelEle.innerHTML = await getString('imageurlrequired', 'tiny_media');
             showElements(Selectors.IMAGE.elements.urlWarning, this.root);
             this.stopImageLoading();
         });