gitlab-org--gitlab-foss/app/assets/javascripts/lib/utils/simple_poll.js

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2017-05-09 00:15:34 -04:00
export default (fn, interval = 2000, timeout = 60000) => {
const startTime = Date.now();
return new Promise((resolve, reject) => {
const stop = arg => ((arg instanceof Error) ? reject(arg) : resolve(arg));
const next = () => {
if (Date.now() - startTime < timeout) {
setTimeout(fn.bind(null, next, stop), interval);
} else {
reject(new Error('SIMPLE_POLL_TIMEOUT'));
}
};
fn(next, stop);
});
};