next-1.0.0-alpha2/js/next.site_preview.iframe.js

/**
 * @file
 * Site preview.
 */

(function ($, window, Drupal, drupalSettings) {
  Drupal.behaviors.iframePreviewLoader = {
    attach(context) {
      const $iframe = $('iframe.next-site-preview-iframe', context);

      $iframe.on('load', () => {
        $iframe.addClass('ready');
      });
    },
  };

  Drupal.behaviors.iframePreviewSyncRoute = {
    attach() {
      const { sync_route = false, skip_routes } =
        drupalSettings.next.iframe_preview;

      if (!sync_route) {
        return;
      }

      window.addEventListener(
        'message',
        (event) => {
          const { data } = event;

          if (data.type !== 'NEXT_DRUPAL_ROUTE_SYNC' || !data.path) {
            return;
          }

          if (skip_routes?.includes(data.path)) {
            return;
          }

          if (window.location.pathname !== data.path) {
            window.location.href = data.path;
          }
        },
        false,
      );
    },
  };
})(jQuery, window, Drupal, drupalSettings);