@formatjs/intl-relativetimeformat/polyfill.js

Formats JavaScript dates to relative time strings.

import RelativeTimeFormat from "./index.js";
import { shouldPolyfill } from "./should-polyfill.js";
if (shouldPolyfill()) {
	Object.defineProperty(Intl, "RelativeTimeFormat", {
		value: RelativeTimeFormat,
		writable: true,
		enumerable: false,
		configurable: true
	});
	// Drain any locale data that was buffered before polyfill loaded
	const buf = globalThis.__FORMATJS_RELATIVETIMEFORMAT_DATA__;
	if (buf) {
		for (const d of buf) RelativeTimeFormat.__addLocaleData(d);
		delete globalThis.__FORMATJS_RELATIVETIMEFORMAT_DATA__;
	}
}