Class GoogleAuthWeb

src/web.ts:4–155

import { GoogleAuthPlugin, InitOptions, User } from './definitions';

export class GoogleAuthWeb extends WebPlugin implements GoogleAuthPlugin {
  gapiLoaded: Promise<void>;
  options: InitOptions;

  constructor() {
    super();
  }

  loadScript() {
    if (typeof document === 'undefined') {
      return;
    }

    const scriptId = 'gapi';
    const scriptEl = document?.getElementById(scriptId);

    if (scriptEl) {
      return;
    }

    const head = document.getElementsByTagName('head')[0];
    const script = document.createElement('script');

    script.type = 'text/javascript';
    script.defer = true;
    script.async = true;
    script.id = scriptId;
    script.onload = this.platformJsLoaded.bind(this);
    script.src = 'https://apis.google.com/js/platform.js';
    head.appendChild(script);
  }

  initialize(
    _options: Partial<InitOptions> = {
      clientId: '',
      scopes: [],
      grantOfflineAccess: false,
    }
  ) {
    if (typeof window === 'undefined') {
      return;
    }

    const metaClientId = (document.getElementsByName('google-signin-client_id')[0] as any)?.content;
    const clientId = _options.clientId || metaClientId || '';

    if (!clientId) {
      console.warn('GoogleAuthPlugin - clientId is empty');
    }

    this.options = {
      clientId,
      grantOfflineAccess: _options.grantOfflineAccess ?? false,
      scopes: _options.scopes || [],
    };

    this.gapiLoaded = new Promise((resolve) => {
      // HACK: Relying on window object, can't get property in gapi.load callback