@mel/core@0.1.2

latest

core utilities

Published

4 months ago (0.1.2)

function promisify



promisify<T,
A,
>(fn: (args: T,
cb: (err: Error | null,
result?: A,
) => void,
) => void): ((args: T) => Promise<A>)

Converts a callback-based function to a Promise-based function.

Examples

▶

const callbackFunction = (arg, cb) => { if (arg > 10) { cb(null, 'Success'); } else { cb(new Error('Value too low')); } };

const promiseFunction = promisify(callbackFunction); promiseFunction(5) .then(result => console.log(result)) .catch(error => console.error(error));



fn: (args: T,
cb: (err: Error | null,
result?: A,
) => void,
) => void

((args: T) => Promise<A>)

A function that returns a Promise resolving with the result or rejecting with an error.

Add Package

deno add jsr:@mel/core

Import symbol

import { promisify } from "@mel/core";

---- OR ----

Import directly with a jsr specifier

import { promisify } from "jsr:@mel/core";

Add Package

npx jsr add @mel/core

Import symbol

import { promisify } from "@mel/core";

Add Package

yarn dlx jsr add @mel/core

Import symbol

import { promisify } from "@mel/core";

Add Package

pnpm dlx jsr add @mel/core

Import symbol

import { promisify } from "@mel/core";

Add Package

bunx jsr add @mel/core

Import symbol

import { promisify } from "@mel/core";