Promises and generic .catch() statements

Question

I\'m writing an API for my system, that\'s sending an XHR to the server and returns a promise that should be handled by the caller - so far so good.

For each API cal

Answer 1

I think all you want to do is rethrow the exception after you've logged it so other handlers will deal with it properly:

return deferred.promise.catch(function (error) {
  console.error(error);
  throw e; // rethrow the promise
});