WP_Script_Modules::get_src( string $id )

	private function get_src( string $id ): string {
		if ( ! isset( $this->registered[ $id ] ) ) {
			return '';
		}

		$script_module = $this->registered[ $id ];
		$src           = $script_module['src'];

		if ( false === $script_module['version'] ) {
			$src = add_query_arg( 'ver', get_bloginfo( 'version' ), $src );
		} elseif ( null !== $script_module['version'] ) {
			$src = add_query_arg( 'ver', $script_module['version'], $src );
		}

		/**
		 * Filters the script module source.
		 *
		 * @since 6.5.0
		 *
		 * @param string $src Module source url.
		 * @param string $id  Module identifier.
		 */
		$src = apply_filters( 'script_module_loader_src', $src, $id );

		return $src;
	}