simple-await

Execute async function with simple error handling. Returns object with data and error.

Installation

yarn add simple-await

Usage

import wait from 'simple-await';

function rejecter() {
    return Promise.reject(new Error("my new error"))
}

function solver(): Promise<{ name: string }> {
    return Promise.resolve({ name: "John" })
}

async function withFetch() {
    const { data, error } = await wait<object, string>(fetch('http://httpstat.us/503'));

    console.log(data, error) // undefined,  Failed to fetch 
}

async function solve() {
    const { data, error } = await wait<{ name: string }, string>(solver());

    console.log(data, error) // { name: "John" }, undefined
}

async function reject() {
    const { data: result, error: cause } = await wait(rejecter());

    console.log(result, cause) // undefined, my new error
}

Note

Simple-await uses Promise.allSettled() under the hood. Please check MDN for browser compatibility. Also, note that tsconfig configured to target es2020. Please let me know if you need to change it or support some older broswer versions.

License

MIT