21 lines
860 B
TypeScript
21 lines
860 B
TypeScript
// Convenience function to load polyfills and return a promise when it's done.
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// If there are no polyfills, then this is just Promise.resolve() which means
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// it will execute in the same tick of the event loop (i.e. near-instant).
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import { loadIntlPolyfills } from './intl';
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function importExtraPolyfills() {
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return import(/* webpackChunkName: "extra_polyfills" */ './extra_polyfills');
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}
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export function loadPolyfills() {
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// Safari does not have requestIdleCallback.
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// This avoids shipping them all the polyfills.
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const needsExtraPolyfills = !window.requestIdleCallback;
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return Promise.all([
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loadIntlPolyfills(),
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// 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
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needsExtraPolyfills && importExtraPolyfills(),
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]);
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}
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