wp-includes/class-wp-script-modules.php:247Prints the import map using a script tag with a type="importmap" attribute.
public function print_import_map() { $import_map = $this->get_import_map(); if ( ! empty( $import_map['imports'] ) ) { wp_print_inline_script_tag( wp_json_encode( $import_map, JSON_HEX_TAG | JSON_HEX_AMP ), array( 'type' => 'importmap', 'id' => 'wp-importmap', ) ); } }Introduced in 6.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-script-modules.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.