Execute async function with simple error handling. Returns object with data and error.
yarn add simple-await
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
}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.
MIT