Electron Google Authentication - Part 3

Google Auth (Part 3).js

    function handleNavigation (url) {
      const query = parse(url, true).query
      if (query) {
        if (query.error) {
          reject(new Error(`There was an error: ${query.error}`))
        } else if (query.code) {
          // Login is complete
          authWindow.removeAllListeners('closed')
          setImmediate(() => authWindow.close())

          // This is the authorization code we need to request tokens
          resolve(query.code)
        }
      }
    }