starboard-notebook
Version:
Starboard Notebook
23 lines • 937 B
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
/**
* Creates a promise with the resolve and reject function outside of it, useful for tasks that may complete at any time.
* Based on MIT licensed https://github.com/arikw/flat-promise, with typings added by gzuidhof.
* @param executor
*/
export function flatPromise(executor) {
let resolve;
let reject;
const promise = new Promise((res, rej) => {
// Is this any cast necessary?
resolve = res;
reject = rej;
});
if (executor) {
// This is actually valid.. as in the spec the function above the Promise gets executed immediately.
executor(resolve, reject);
}
return { promise, resolve, reject };
}
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