我的functions.php

add_action( \'wp_enqueue_scripts\', \'dc_datepicker_options\' );

function dc_datepicker_options() {
if ( is_page_template( \'single-product.php\' ) ) {
  $ss_url = get_stylesheet_directory_uri();
  wp_enqueue_script( \'datepicker-options\', "{$ss_url}/js/datepicker-options.js" );
} else {
    // Returns false 
}
}