Ticket #45453: 45453.2.diff

src/wp-admin/edit-form-blocks.php

@@ -400 +400 @@
 
 <div class="block-editor">
         <h1 class="screen-reader-text"><?php echo esc_html( $post_type_object->labels->edit_item ); ?></h1>
-        <div id="editor" class="block-editor__container"></div>
+        <div id="editor" class="block-editor__container hide-if-no-js"></div>
         <div id="metaboxes" class="hidden">
                 <?php the_block_editor_meta_boxes(); ?>
         </div>
+
+        <div class="error hide-if-js" style="margin-top: 20px;">
+                <p>
+                        <?php
+                                $message = printf(
+                                        /** Translators: %s: https://wordpress.org/plugins/classic-editor/ */
+                                        __( 'The block editor requires JavaScript. Please enable JavaScript in your browser settings, or try the <a href="%s">Classic Editor plugin</a>.' ),
+                                        __( 'https://wordpress.org/plugins/classic-editor/' )
+                                );
+
+                                /**
+                                 * Filters the message displayed in the block editor interface when JavaScript is
+                                 * not enabled in the browser.
+                                 *
+                                 * @since 5.0.3
+                                 *
+                                 * @param string  $message The message being displayed.
+                                 * @param WP_Post $post    The post being edited.
+                                 */
+                                echo apply_filters( 'block_editor_no_javascript_message', $message, $post );
+                        ?>
+                </p>
+        </div>
+
+
 </div>