mastodon/app/javascript/mastodon/polyfills/index.ts

22 lines
860 B
TypeScript

// Convenience function to load polyfills and return a promise when it's done.
// If there are no polyfills, then this is just Promise.resolve() which means
// it will execute in the same tick of the event loop (i.e. near-instant).
import { loadIntlPolyfills } from './intl';
function importExtraPolyfills() {
return import(/* webpackChunkName: "extra_polyfills" */ './extra_polyfills');
}
export function loadPolyfills() {
// Safari does not have requestIdleCallback.
// This avoids shipping them all the polyfills.
const needsExtraPolyfills = !window.requestIdleCallback;
return Promise.all([
loadIntlPolyfills(),
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition -- those properties might not exist in old browsers, even if they are always here in types
needsExtraPolyfills && importExtraPolyfills(),
]);
}