Gutenberg: Dequeue editor assets when they aren't in use (#34268)

* Gutenberg: Dequeue editor assets when they aren't in use * Add changelog * Fix whitespace
Automattic · Nov 27, 2023 · 4c19578 · 4c19578
1 parent 8ea9937
commit 4c19578
Show file tree

Hide file tree

Showing 2 changed files with 16 additions and 0 deletions.
diff --git a/projects/plugins/jetpack/changelog/update-dequeue-editor-assets-perf b/projects/plugins/jetpack/changelog/update-dequeue-editor-assets-perf
@@ -0,0 +1,4 @@
+Significance: patch
+Type: enhancement
+
+Gutenberg: Dequeue editor assets when they aren't in use
diff --git a/projects/plugins/jetpack/class.jetpack-gutenberg.php b/projects/plugins/jetpack/class.jetpack-gutenberg.php
@@ -622,6 +622,18 @@ public static function enqueue_block_editor_assets() {
 			return;
 		}
 
+		/**
+		 * This can be called multiple times per page load in the admin, during the `enqueue_block_assets` action.
+		 * These assets are necessary for the admin for editing but are not necessary for each pattern preview.
+		 * Therefore we dequeue them, so they don't load for each pattern preview iframe.
+		 */
+		if ( ! wp_should_load_block_editor_scripts_and_styles() ) {
+			wp_dequeue_script( 'jp-tracks' );
+			wp_dequeue_script( 'jetpack-blocks-editor' );
+
+			return;
+		}
+
 		$status = new Status();
 
 		// Required for Analytics. See _inc/lib/admin-pages/class.jetpack-admin-page.php.