@intlayer/core/dist/esm/formatters/relativeTime.mjs

Includes core Intlayer functions like translation, dictionary, and utility functions shared across multiple packages.

import { getCachedIntl } from "../utils/intl.mjs";
import { internationalization } from "@intlayer/config/built";

//#region src/formatters/relativeTime.ts
/**
* Calculate the difference between 2 dates in the given unit.
*/
const diffInUnit = (from, to, unit) => {
	const sec = (to.getTime() - from.getTime()) / 1e3;
	switch (unit) {
		case "second": return sec;
		case "minute": return sec / 60;
		case "hour": return sec / 3600;
		case "day": return sec / 86400;
		case "month": return sec / (30 * 86400);
		case "quarter": return sec / (90 * 86400);
		case "year": return sec / (365 * 86400);
		default: return sec;
	}
};
/**
* Formats the difference between two dates as a localized relative time string.
*
* @example
* relativeTime(new Date(Date.now() - 30000)); // "30 seconds ago"
*
* @example
* relativeTime("2025-01-01", new Date(), { locale: Locales.FRENCH, unit: "day" });
* // "il y a 443 jours"
*/
const relativeTime = (from, to = /* @__PURE__ */ new Date(), options) => {
	const fromDate = new Date(from);
	const toDate = new Date(to);
	const unit = options?.unit ?? "second";
	const value = diffInUnit(fromDate, toDate, unit);
	return getCachedIntl(Intl.RelativeTimeFormat, options?.locale ?? internationalization?.defaultLocale, options).format(Math.round(value), unit);
};

//#endregion
export { relativeTime };
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