18 lines
420 B
TypeScript
18 lines
420 B
TypeScript
type resolveCallback<T> = (value: T) => void;
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type rejectCallback = (reason?: unknown) => void;
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export const newPromise = <T>(): [
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Promise<T>,
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resolveCallback<T>,
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rejectCallback
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] => {
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let resolve: resolveCallback<T>;
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let reject: rejectCallback;
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const promise = new Promise(
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(res: resolveCallback<T>, rej: rejectCallback) => {
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resolve = res;
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reject = rej;
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}
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);
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return [promise, resolve!, reject!];
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};
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