Function initRecaptcha

3p/recaptcha.js:70–117

(recaptchaApiBaseUrl = RECAPTCHA_API_URL)

 * @param {string} recaptchaApiBaseUrl
 */
export function initRecaptcha(recaptchaApiBaseUrl = RECAPTCHA_API_URL) {
  const win = window;

  /**
   *  Get the data from our name attribute
   * sitekey {string} - reCAPTCHA sitekey used to identify the site
   * sentinel {string} - string used to psuedo-confirm that we are
   *    receiving messages from the recaptcha frame
   */
  let dataObject;
  try {
    dataObject = parseJson(win.name);
  } catch (e) {
    throw new Error(TAG + ' Could not parse the window name.');
  }

  // Get our sitekey from the iframe name attribute
  devAssert(
    dataObject.sitekey,
    'The sitekey is required for the <amp-recaptcha-input> iframe'
  );
  sitekey = dataObject.sitekey;
  // Determine the recaptcha api URL based on global property
  devAssert(
    hasOwn(dataObject, 'global'),
    'The global property is required for the <amp-recaptcha-input> iframe'
  );
  if (dataObject.global) {
    recaptchaApiBaseUrl = GLOBAL_RECAPTCHA_API_URL;
  }
  const recaptchaApiUrl = recaptchaApiBaseUrl + sitekey;

  loadScript(
    win,
    recaptchaApiUrl,
    function () {
      const {grecaptcha} = win;

      grecaptcha.ready(function () {
        initializeIframeMessagingClient(win, grecaptcha, dataObject);
        iframeMessagingClient./*OK*/ sendMessage('amp-recaptcha-ready');
      });
    },
    function () {
      dev().error(TAG + ' Failed to load recaptcha api script');
    }
  );
}
window.initRecaptcha = initRecaptcha;

/**