Add 'asset:upload:error' event

package.json

@@ -1,7 +1,7 @@
 {
   "name": "grapesjs",
   "description": "Free and Open Source Web Builder Framework",
-  "version": "0.9.27",
+  "version": "0.9.28",
   "author": "Artur Arseniev",
   "license": "BSD-3-Clause",
   "homepage": "http://grapesjs.com",

src/asset_manager/view/FileUploader.js

@@ -56,8 +56,10 @@ module.exports = Backbone.View.extend({
    * @private
    */
   onUploadError(err) {
+    const em = this.config.em;
     console.error(err);
     this.onUploadEnd(err);
+    em && em.trigger('asset:upload:error', err);
   },
 
   /**

src/editor/index.js

@@ -39,6 +39,7 @@
  * * `component:styleUpdate:{propertyName}` - Listen for a specific style property change
  * * `asset:upload:start` - Before the upload is started
  * * `asset:upload:end` - After the upload is ended
+ * * `asset:upload:error` - On any error in upload, passes the error as an argument
  * * `asset:upload:response` - On upload response, passes the result as an argument
  * * `styleManager:change` - Triggered on style property change from new selected component, the view of the property is passed as an argument to the callback
  * * `styleManager:change:{propertyName}` - As above but for a specific style property

src/styles/scss/_gjs_assets.scss

@@ -4,7 +4,7 @@
   position: absolute;
   top: 0;
   left: 0;
-  z-index: 5;
+  z-index: 11;
   width: 100%;
   height: 100%;
   transition: opacity 0.25s;