Any way to know if a variable is an angularjs promise?

Question

I\'m making a directive that takes a function as a scope parameter (scope: { method:\'&theFunction\' }). I need to know if the result returned by that metho

Answer 1

Angular's when() is a good option as Davin mentioned.

If that doesn't meet your needs then Angular's internal way of checking (it uses this inside when) is very close to what you're doing:

var ref = function(value) {
   if (value && isFunction(value.then)) {
      // Then this is promise
   }