Function createThenable

src/index.spec.js:3825–3838

* createThenable creates a Promise that can be controlled from outside its inner scope

()

 * createThenable creates a Promise that can be controlled from outside its inner scope
 */
function createThenable() {
  let done, cancel;

  const promise = new Promise((resolve, reject) => {
    done = resolve;
    cancel = reject;
  });

  return {
    promise,
    done,
    cancel,
  };
}