Merge pull request #14 from threadi/feature/doNotSendEmptyListToSave

do not send empty list to save

admin/js.js

@@ -11,6 +11,11 @@ jQuery(document).ready(function($) {
         // get field value
         let urls = $(this).parent().find('.eml_add_external_files').val();
 
+        // do nothing if list is empty.
+        if( urls.length === 0 ) {
+          return;
+        }
+
         // send request
         jQuery.ajax({
             url: emlJsVars.ajax_url,
@@ -88,4 +93,4 @@ jQuery(document).ready(function($) {
             $this.closest('div[data-dismissible]').hide('slow');
         }
     );
-});
+});

readme.txt

@@ -51,4 +51,5 @@ No, only public files can be used.
 = 1.0.2 =
 * Added hook documentation
 * Added hint for hook documentation in settings
+* Optimized handling of upload-form if nothing has been added there
 * Removed language files from release