Ticket #155: 155.patch

wordpress.org/public_html/wp-content/themes/pub/wporg-support/js/forums.js

@@ -1 +1 @@
 ( function( $ ) {
+        if ( $( '#new-post' ).length ) {
+                let requireConfirmClose = false;
 
-        $( '#new-post' ).submit(function() {
-                $( '[type="submit"]', $(this) ).prop( 'disabled', 'disabled' );
-        });
+                $( '#new-post' ).submit( function() {
+                        $( '[type="submit"]', $( this ) ).prop( 'disabled', 'disabled' );
 
-} )( window.jQuery );
+                        requireConfirmClose = false;
+                } );
+
+                $( '#new-post' ).one( 'input', 'input[type=text], textarea', function() {
+                        requireConfirmClose = true;
+                } );
+
+                window.addEventListener( 'beforeunload', function( e ) {
+                        if ( requireConfirmClose ) {
+                                e.preventDefault();
+
+                                // Chrome requires returnValue to be set.
+                                e.returnValue = '';
+                        }
+                } );
+        }
+}( window.jQuery ) );