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Andras Schmelczer 2025-12-07 13:38:23 +00:00
commit b05e415acf

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@ -1,25 +1,25 @@
type ResolveFunction<T> = undefined extends T
? (value?: T) => unknown
: (value: T) => unknown;
? (value?: T) => unknown
: (value: T) => unknown;
/**
* A type-safe utility function to create a Promise with resolve and reject functions.
* @returns A tuple containing a Promise, a resolve function, and a reject function.
*/
export function createPromise<T = unknown>(): [
Promise<T>,
ResolveFunction<T>,
(error: unknown) => unknown
Promise<T>,
ResolveFunction<T>,
(error: unknown) => unknown
] {
let resolve: undefined | ResolveFunction<T> = undefined;
let reject: undefined | ((error: unknown) => unknown) = undefined;
let resolve: undefined | ResolveFunction<T> = undefined;
let reject: undefined | ((error: unknown) => unknown) = undefined;
const creationPromise = new Promise<T>(
(resolve_, reject_) =>
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
((resolve = resolve_ as ResolveFunction<T>), (reject = reject_))
);
const creationPromise = new Promise<T>(
(resolve_, reject_) =>
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
((resolve = resolve_ as ResolveFunction<T>), (reject = reject_))
);
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
return [creationPromise, resolve!, reject!];
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
return [creationPromise, resolve!, reject!];
}