azure-auth-client.js

import { UserAgentApplication } from 'msal';

const app = new UserAgentApplication({
  auth: {
    clientId: process.env.AZURE_CLIENT_ID,
    authority: `https://login.microsoftonline.com/${process.env.AZURE_TENANT_ID}`
  },
  cache: {
    cacheLocation: 'localStorage'
  }
}); 

app.handleRedirectCallback((err, payload) => {
  if (err) return console.log('error', err.message);
  return payload;
});

const requestObject = {
  scopes: [ 'User.Read' ]
};

export default {
  async signIn() {
    return await app.loginRedirect(requestObject);
  },
  async signOut() {
    return await app.logout();
  },
  async getUser() {
    return await app.getAccount();
  },
  async getToken() {
    try {
      return await app.acquireTokenSilent(requestObject);
    }
    catch(err) {
      return await app.acquireTokenRedirect(requestObject)
    }
  }
}