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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.


Built from https://develop.svn.wordpress.org/trunk@57492


git-svn-id: http://core.svn.wordpress.org/trunk@56993 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
gziolo 2024-01-31 08:31:29 +00:00
parent 2140b001bd
commit 2de003154d
5 changed files with 990 additions and 1 deletions
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16
wp-includes/class-wp-script-modules.php
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@ -211,10 +211,26 @@ class WP_Script_Modules {
* Prints the import map using a script tag with a type="importmap" attribute.
*
* @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 ),
array(

970
wp-includes/js/dist/vendor/wp-polyfill-importmap.js vendored Normal file
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1
wp-includes/js/dist/vendor/wp-polyfill-importmap.min.js vendored Normal file
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2
wp-includes/script-loader.php
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@ -96,6 +96,7 @@ function wp_default_packages_vendor( $scripts ) {
'lodash',
'wp-polyfill-fetch',
'wp-polyfill-formdata',
'wp-polyfill-importmap',
'wp-polyfill-node-contains',
'wp-polyfill-url',
'wp-polyfill-dom-rect',
@ -120,6 +121,7 @@ function wp_default_packages_vendor( $scripts ) {
'wp-polyfill-object-fit' => '2.3.5',
'wp-polyfill-inert' => '3.1.2',
'wp-polyfill' => '3.15.0',
'wp-polyfill-importmap' => '1.8.2',
);
foreach ( $vendor_scripts as $handle => $dependencies ) {

2
wp-includes/version.php
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@ -16,7 +16,7 @@
*
* @global string $wp_version
*/
$wp_version = '6.5-alpha-57491';
$wp_version = '6.5-alpha-57492';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.