Resolver múltiples promesas con un solo then

promises-all.js

import xhr from 'promised-xhr';

Promise.all([xhr.get('/api/resource'), xhr.get('/api/resource2')])
.then(([data1, data2]) => {
  console.log(data1);
  console.log(data2);
})
.catch(error => {
  console.log(error);
});