Ticket #53948: 53948-admin-bar.php.diff

src/wp-includes/admin-bar.php

@@ -696 +696 @@
  *
  * @since 3.1.0
  * @since 5.5.0 Added a "View Post" link on Comments screen for a single post.
+ * @since 5.9.0 Added a placeholder for block editor to update "View Post" link when publishing post.
  *
  * @global WP_Term  $tag
  * @global WP_Query $wp_the_query WordPress Query object.
@@ -725 +726 @@
                 }
 
                 if ( ( 'post' === $current_screen->base || 'edit-comments' === $current_screen->base )
-                        && 'add' !== $current_screen->action
                         && ( $post_type_object )
                         && current_user_can( 'read_post', $post->ID )
                         && ( $post_type_object->public )
                         && ( $post_type_object->show_in_admin_bar ) ) {
-                        if ( 'draft' === $post->post_status ) {
+
+                        if ( 'add' === $current_screen->action && use_block_editor_for_post( $post ) ) {
+                                // Add a hidden placeholder when creating a new post with the block editor.
                                 $preview_link = get_preview_post_link( $post );
                                 $wp_admin_bar->add_node(
                                         array(
-                                                'id'    => 'preview',
+                                                'id'    => 'view',
                                                 'title' => $post_type_object->labels->view_item,
                                                 'href'  => esc_url( $preview_link ),
-                                                'meta'  => array( 'target' => 'wp-preview-' . $post->ID ),
+                                                'meta'  => array( 'class' => 'hidden' ),
                                         )
                                 );
-                        } else {
-                                $wp_admin_bar->add_node(
-                                        array(
-                                                'id'    => 'view',
-                                                'title' => $post_type_object->labels->view_item,
-                                                'href'  => get_permalink( $post->ID ),
-                                        )
-                                );
+                        } elseif ( 'add' !== $current_screen->action ) {
+                                if ( 'draft' === $post->post_status ) {
+                                        $preview_link = get_preview_post_link( $post );
+                                        $wp_admin_bar->add_node(
+                                                array(
+                                                        'id'    => 'preview',
+                                                        'title' => $post_type_object->labels->view_item,
+                                                        'href'  => esc_url( $preview_link ),
+                                                        'meta'  => array( 'target' => 'wp-preview-' . $post->ID ),
+                                                )
+                                        );
+                                } else {
+                                        $wp_admin_bar->add_node(
+                                                array(
+                                                        'id'    => 'view',
+                                                        'title' => $post_type_object->labels->view_item,
+                                                        'href'  => get_permalink( $post->ID ),
+                                                )
+                                        );
+                                }
                         }
                 } elseif ( 'edit' === $current_screen->base
                         && ( $post_type_object )