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| const makeCancelable = promise => {
| let hasCanceled_ = false;
|
| const wrappedPromise = new Promise((resolve, reject) => {
| promise.then(
| val => (hasCanceled_ ? reject({ isCanceled: true }) : resolve(val)),
| error =>
| hasCanceled_ ? reject({ isCanceled: true }) : reject(error)
| );
| });
|
| return {
| promise: wrappedPromise,
| cancel() {
| hasCanceled_ = true;
| }
| };
| };
|
| export { makeCancelable };
|
| const fetchCancelable = (...args) => makeCancelable(fetch(...args));
|
| export default fetchCancelable;
|
|
