get-all.js

function getAll(request) {
  return request.then(function (response) {
    if (!response._paging || !response._paging.next) {
      return response;
    }

    // progress is next / total pages * 10
    let _next = response._paging.next._options.endpoint.split("=")[1];
    let _total = response._paging.totalPages;
    let _progress = (_next / _total) * 10;
    progressBar.start(_total, _next - 1);
    progressBar.update(_next);

    // Request the next page and return both responses as one collection
    return Promise.all([response, getAll(response._paging.next)]).then(
      function (responses) {
        return _.flatten(responses);
      }
    );
  });
}