Method callFunction

extensions/amp-script/0.1/amp-script.js:233–245

* Calls the specified function on this amp-script's worker-dom instance. * Accepts variable number of args to pass along to the underlying worker. * * @param {string} unusedFnId - function identifier * @param {...*} unusedFnArgs * @return {!Promise<*>}

(unusedFnId, unusedFnArgs)

   * @return {!Promise<*>}
   */
  callFunction(unusedFnId, unusedFnArgs) {
    return this.initialize_.promise.then(() => {
      if (!this.workerDom_) {
        return Promise.reject(
          new Error(
            'Attempted to call a function on an amp-script which failed initialization.'
          )
        );
      }

      return this.workerDom_.callFunction.apply(this.workerDom_, arguments);
    });
  }

  /** @override */
  layoutCallback() {