Files
30-seconds-of-code/test/runAsync/runAsync.js
Angelos Chalaris 4f7da1be9b Test migration to jest by hand
Apparently using regular expressions is way easier.
2018-06-18 15:15:56 +03:00

16 lines
358 B
JavaScript

const runAsync = fn => {
const worker = new Worker(
URL.createObjectURL(new Blob([`postMessage((${fn})());`]), {
type: 'application/javascript; charset=utf-8'
})
);
return new Promise((res, rej) => {
worker.onmessage = ({ data }) => {
res(data), worker.terminate();
};
worker.onerror = err => {
rej(err), worker.terminate();
};
};
module.exports = runAsync;