signal-desktop/ts/util/explodePromise.ts
2021-07-28 14:37:09 -07:00

25 lines
708 B
TypeScript

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
export function explodePromise<T>(): {
promise: Promise<T>;
resolve: (value: T) => void;
reject: (error: Error) => void;
} {
let resolve: (value: T) => void;
let reject: (error: Error) => void;
const promise = new Promise<T>((innerResolve, innerReject) => {
resolve = innerResolve;
reject = innerReject;
});
return {
promise,
// Typescript thinks that resolve and reject can be undefined here.
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
resolve: resolve!,
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
reject: reject!,
};
}