Ticket #21492: 21492.4.diff

src/wp-includes/class-wp-customize-manager.php

@@ -366 +366 @@
 
                 // Export the settings to JS via the _wpCustomizeSettings variable.
                 add_action( 'customize_controls_print_footer_scripts', array( $this, 'customize_pane_settings' ), 1000 );
+
+                // Validate static front page settings
+                add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_static_front_page_script' ) );
+
         }
 
         /**
@@ -4219 +4223 @@
 
                 return $color;
         }
+        public function enqueue_static_front_page_script() {
+                // error message if static front and page for posts have same id
+                $error_message = array(
+                        'error' => esc_html__( 'Front page & Posts page must be different.' ),
+                );
+                // script suffix
+                $suffix = SCRIPT_DEBUG ? '' : '.min';
 
+                wp_register_script( 'customizer-static-front-page', "/wp-admin/js/customizer-static-front-page$suffix.js", array( 'jquery', 'customize-controls' ) );
+
+                wp_localize_script( 'customizer-static-front-page', 'frontPageError', $error_message );
+                wp_enqueue_script( 'customizer-static-front-page' );
+        }
+
         /**
          * Callback for validating a background setting value.
          *