Function configureGoogleSignIn

third_party/subscriptions-project/swg-gaa.js:2549–2569

* Loads the Google Sign-In API. * * This function is used in two places. * 1. The publisher's Google Sign-In iframe. * 2. (Optional) Demos that allow users to sign out. * * @return {!Promise}

()

 * @return {!Promise}
 */
function configureGoogleSignIn() {
  // Wait for Google Sign-In API.
  return (
    new Promise((resolve) => {
      const apiCheckInterval = setInterval(() => {
        if (!!self.gapi) {
          clearInterval(apiCheckInterval);
          resolve();
        }
      }, 50);
    })
      // Load Auth2 module.
      .then(() => new Promise((resolve) => self.gapi.load('auth2', resolve)))
      // Specify "redirect" mode. It plays nicer with webviews.
      .then(
        () =>
          // Only initialize Google Sign-In once.
          self.gapi.auth2.getAuthInstance() || self.gapi.auth2.init()
      )
  );
}

/**
 * Calls Swgjs.