fluorine-lib/es/util/isPromise.js

Reactive state and side effect management for React using a single stream of actions

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

export default function isPromise(obj) {
  return (typeof obj === 'undefined' ? 'undefined' : _typeof(obj)) === 'object' && typeof obj.then === 'function';
}