auth.js

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.

// <authInit>
// Create the main MSAL instance
// configuration parameters are located in config.js
const msalClient = new Msal.UserAgentApplication(msalConfig);

if (msalClient.getAccount() && !msalClient.isCallback(window.location.hash)) {
  // avoid duplicate code execution on page load in case of iframe and Popup window.
  updatePage(msalClient.getAccount(), Views.home);
}
// </authInit>

// <signIn>
async function signIn() {
  // Login
  try {
    await msalClient.loginPopup(loginRequest);
    console.log('id_token acquired at: ' + new Date().toString());
    if (msalClient.getAccount()) {
      updatePage(msalClient.getAccount(), Views.home);
    }
  } catch (error) {
    console.log(error);
    updatePage(null, Views.error, {
      message: 'Error logging in',
      debug: error
    });
  }
}
// </signIn>

// <signOut>
function signOut() {
  msalClient.logout();
}
// </signOut>