util.promisify | /mod.ts | polkadot@0.2.12

function util.promisify

import { util } from "https://deno.land/x/polkadot@0.2.12/mod.ts";
const { promisify } = util;

promisify<R = any>(

self: unknown,

fn: (...params: any) => any,

...params: any[],

): Promise<R>

Examples

const { promisify } from '@polkadot/util';

await promisify(null, ((a, cb) => cb(null, a), true); // resolves with `true`
await promisify(null, (cb) => cb(new Error('error!'))); // rejects with `error!`

Type Parameters

optional

R = any

Parameters

self: unknown

fn: (...params: any) => any

...params: any[]

Returns

Promise<R>