Ticket #40771: 40771.9.diff

src/wp-admin/js/widgets/media-widgets.js

@@ -142 +142 @@
                                         /**
                                          * Fetch media.
                                          *
-                                         * This is a TEMPORARY measure until the WP API supports an oEmbed proxy endpoint. See #40450.
-                                         *
-                                         * @see https://core.trac.wordpress.org/ticket/40450
                                          * @returns {void}
                                          */
                                         fetch: function() {
@@ -154 +151 @@
                                                         embedLinkView.dfd.abort();
                                                 }
 
+                                                // Abort if the URL field was emptied out.
+                                                if ( ! embedLinkView.model.get( 'url' ) ) {
+                                                        embedLinkView.setErrorNotice( '' );
+                                                        return;
+                                                }
+
                                                 fetchSuccess = function( response ) {
                                                         embedLinkView.renderoEmbed({
                                                                 data: {

src/wp-includes/js/media-views.js

@@ -4739 +4739 @@
         },
 
         url: function( event ) {
-                this.model.set( 'url', event.target.value );
+                this.model.set( 'url', $.trim( event.target.value ) );
         },
 
         /**

src/wp-includes/js/media/views/embed/url.js

@@ -60 +60 @@
         },
 
         url: function( event ) {
-                this.model.set( 'url', event.target.value );
+                this.model.set( 'url', $.trim( event.target.value ) );
         },
 
         /**