Install

$ yarn add wait-as-promised

Usage

Basic usage

const wait = require('wait-as-promised');

let value = false;

const predicate = () => value === true;

setTimeout(() => {
  value = true;
}, 2000);

wait(predicate).then(() => console.log('value equals true'));

Timeout

const wait = require('wait-as-promised');

let value = false;

const predicate = () => value === true;

setTimeout(() => {
  value = true;
}, 2000);

// will throw an exception with message 'function timed out after 1000 milliseconds'
wait(predicate, {timeout: 1000}).then(() => console.log('value equals true'));

Disable Timeout

const wait = require('wait-as-promised');

let value = false;

const predicate = () => value === true;

setTimeout(() => {
  value = true;
}, 2000);

wait(predicate, {timeout: -1}).then(() => console.log('value equals true'));