Function isPromise

lib/script.js:190–194

(obj)

}

function isPromise(obj) {
  //maybe not the best of all checks but at least it's compliant to Promises/A+
  //see https://promisesaplus.com
  return obj !== null && typeof obj === 'object' && (typeof obj.then === 'function' || isPromise(obj.promise));
}

function wrapPromise(promiseable, sandbox, events, done, sandboxRoot) {
  var realPromise = promiseable;