Method previewAllowed

src/base-element.js:160–162

* Subclasses can override this method to opt-in into being called to * render when document itself is in preview mode. * * The return value of this function is used to determine whether or not the * element will be built _and_ laid out during preview mode. Therefore, any * changes to

(element)

   * @return {boolean}
   */
  static previewAllowed(element) {
    return this.prerenderAllowed(element);
  }

  /**
   * Subclasses can override this method to indicate that an element can load