Clear cache upon upgrading the active theme

WordPress · Nov 10, 2022 · c6733b0 · c6733b0
1 parent 0c888a4
commit c6733b0
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/lib/compat/wordpress-6.2/default-filters.php b/lib/compat/wordpress-6.2/default-filters.php
@@ -19,4 +19,4 @@
 
 add_action( 'switch_theme', 'wp_theme_has_theme_json_clean_cache' );
 add_action( 'start_previewing_theme', 'wp_theme_has_theme_json_clean_cache' );
-// TODO: clean cache when theme is updated
+add_action( 'upgrader_process_complete', '_wp_theme_has_theme_json_clean_cache_upon_upgrading_active_theme' );
diff --git a/lib/compat/wordpress-6.2/get-global-styles-and-settings.php b/lib/compat/wordpress-6.2/get-global-styles-and-settings.php
@@ -50,3 +50,16 @@ function wp_theme_has_theme_json_clean_cache() {
 		wp_cache_delete( 'wp_theme_has_theme_json', 'theme_json' );
 	}
 }
+
+if ( ! function_exists( '_wp_theme_has_theme_json_clean_cache_upon_upgrading_active_theme' ) ) {
+	function _wp_theme_has_theme_json_clean_cache_upon_upgrading_active_theme( $upgrader, $options ) {
+		// The cache only needs cleaning when the active theme was updated.
+		if (
+			'update' === $options[ 'action' ] &&
+			'theme' === $options[ 'type' ] &&
+			array_key_exists( get_stylesheet(), $options[ 'themes' ] )
+		) {
+			wp_theme_has_theme_json_clean_cache();
+		}
+	}
+}