export default function settle(promises) {
  var resolutions = [];
  var rejections = [];
  function resolved(value) {
    resolutions.push(value);
  }
  function rejected(error) {
    rejections.push(error);
  }
  var wait = Promise.all(promises.map(function (promise) {
    return promise.then(resolved, rejected);
  }));
  return wait.then(function () {
    return {
      successful: resolutions,
      failed: rejections
    };
  });
}