Changeset 57492 for trunk/src/wp-includes/class-wp-script-modules.php

Timestamp:

01/31/2024 08:29:18 AM (7 months ago)

Author:

gziolo

Message:

Script Modules API: Add import map polyfill for older browsers

Syncs the changes from ​https://github.com/WordPress/gutenberg/pull/58263. Adds a polyfill to make import maps compatible with unsported browsers (​https://caniuse.com/import-maps).

Fixes #60348.
Props cbravobernal, jorbin, luisherranz, jonsurrell.

File:

• trunk/src/wp-includes/class-wp-script-modules.php (modified) (1 diff)

trunk/src/wp-includes/class-wp-script-modules.php

@@ -212 +212 @@
      *
      * @since 6.5.0
+     *
+     * @global WP_Scripts $wp_scripts The WP_Scripts object for printing the polyfill.
      */
     public function print_import_map() {
         $import_map = $this->get_import_map();
         if ( ! empty( $import_map['imports'] ) ) {
+            global $wp_scripts;
+            if ( isset( $wp_scripts ) ) {
+                wp_print_inline_script_tag(
+                    wp_get_script_polyfill(
+                        $wp_scripts,
+                        array(
+                            'HTMLScriptElement.supports && HTMLScriptElement.supports("importmap")' => 'wp-polyfill-importmap',
+                        )
+                    ),
+                    array(
+                        'id' => 'wp-load-polyfill-importmap',
+                    )
+                );
+            }
             wp_print_inline_script_tag(
                 wp_json_encode( $import_map, JSON_HEX_TAG | JSON_HEX_AMP ),