debian-mirror-gitlab/app/assets/javascripts/commons/polyfills/request_idle_callback.js
2020-04-08 18:37:08 +05:30

24 lines
592 B
JavaScript

/**
* Polyfill
* @what requestIdleCallback
* @why To align browser features
* @browsers Safari (all versions), Internet Explorer 11
* @see https://caniuse.com/#feat=requestidlecallback
*/
window.requestIdleCallback =
window.requestIdleCallback ||
function requestShim(cb) {
const start = Date.now();
return setTimeout(() => {
cb({
didTimeout: false,
timeRemaining: () => Math.max(0, 50 - (Date.now() - start)),
});
}, 1);
};
window.cancelIdleCallback =
window.cancelIdleCallback ||
function cancelShim(id) {
clearTimeout(id);
};