Changeset 58423

Timestamp:

06/17/2024 10:06:38 AM (18 months ago)

Author:

oandregal

Message:

Global Styles: Avoid unnecessary processing of theme.json variation partials.

Props aaronrobertshaw, oandregal, mukesh27.
See #61451.

File:

• trunk/src/wp-includes/block-supports/block-style-variations.php (modified) (1 diff)

trunk/src/wp-includes/block-supports/block-style-variations.php

@@ -475 +475 @@
  */
 function wp_register_block_style_variations_from_theme() {
+    /*
+     * Skip any registration of styles if no theme.json or variation partials are present.
+     *
+     * Given the possibility of hybrid themes, this check can't rely on if the theme
+     * is a block theme or not. Instead:
+     *   - If there is a primary theme.json, continue.
+     *   - If there is a partials directory, continue.
+     *   - The only variations to be registered from the global styles user origin,
+     *     are those that have been copied in from the selected theme style variation.
+     *     For a theme style variation to be selected it would have to have a partial
+     *     theme.json file covered by the previous check.
+     */
+    $has_partials_directory = is_dir( get_stylesheet_directory() . '/styles' ) || is_dir( get_template_directory() . '/styles' );
+    if ( ! wp_theme_has_theme_json() && ! $has_partials_directory ) {
+        return;
+    }
+
     // Partials from `/styles`.
     $variations_partials = WP_Theme_JSON_Resolver::get_style_variations( 'block' );