20 lines
495 B
TypeScript
20 lines
495 B
TypeScript
/*
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* https://github.com/morethanwords/tweb
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* Copyright (C) 2019-2021 Eduard Kuzmenko
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* https://github.com/morethanwords/tweb/blob/master/LICENSE
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*/
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import {Awaited} from '../types';
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export default function callbackify<T extends Awaited<any>, R>(
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smth: T,
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callback: (result: Awaited<T>) => R
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): T extends Promise<any> ? Promise<Awaited<R>> : R {
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if(smth instanceof Promise) {
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// @ts-ignore
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return smth.then(callback);
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} else {
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return callback(smth as any) as any;
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}
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}
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