[tracker1]

    function getUserInfo(cb) {
      Promise.all([
        api.getUser(),
        api.getFriends(),
        api.getPhoto(),
      ]).then(
        ([user, friends, photo]) => 
          cb(null, {user, friends, photo}),
        cb,
      );
    }

[hitgeek]

I do this with so many libraries now. especially in the react-native ecosystem.

I just prefer node style callbacks, so I wrap libraries with promise based APIs with callback based wrappers.

hopefully i'm not the only one.