Ticket #40771: 40771.4.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() {

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

@@ -4605 +4605 @@
 
         initialize: function() {
                 this.listenTo( this.model, 'change:url', this.updateoEmbed );
+
+                this.listenTo( this.model, 'change:url', function() {
+                        var trimmedUrl = $.trim( this.model.get( 'url' ) );
+                        if ( trimmedUrl !== this.model.get( 'url' ) ) {
+                                this.model.set( 'url', trimmedUrl );
+                        }
+                });
         },
 
         updateoEmbed: _.debounce( function() {

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

@@ -16 +16 @@
 
         initialize: function() {
                 this.listenTo( this.model, 'change:url', this.updateoEmbed );
+
+                this.listenTo( this.model, 'change:url', function() {
+                        var trimmedUrl = $.trim( this.model.get( 'url' ) );
+                        if ( trimmedUrl !== this.model.get( 'url' ) ) {
+                                this.model.set( 'url', trimmedUrl );
+                        }
+                });
         },
 
         updateoEmbed: _.debounce( function() {