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Ignore:
Timestamp:
01/31/2024 08:29:18 AM (4 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:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/src/wp-includes/class-wp-script-modules.php

    r57345 r57492  
    212212     *
    213213     * @since 6.5.0
     214     *
     215     * @global WP_Scripts $wp_scripts The WP_Scripts object for printing the polyfill.
    214216     */
    215217    public function print_import_map() {
    216218        $import_map = $this->get_import_map();
    217219        if ( ! empty( $import_map['imports'] ) ) {
     220            global $wp_scripts;
     221            if ( isset( $wp_scripts ) ) {
     222                wp_print_inline_script_tag(
     223                    wp_get_script_polyfill(
     224                        $wp_scripts,
     225                        array(
     226                            'HTMLScriptElement.supports && HTMLScriptElement.supports("importmap")' => 'wp-polyfill-importmap',
     227                        )
     228                    ),
     229                    array(
     230                        'id' => 'wp-load-polyfill-importmap',
     231                    )
     232                );
     233            }
    218234            wp_print_inline_script_tag(
    219235                wp_json_encode( $import_map, JSON_HEX_TAG | JSON_HEX_AMP ),
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