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@zag-js/date-utils

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Date utilities for zag.js

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// src/format.ts import { endOfMonth, isSameDay, startOfMonth } from "@internationalized/date"; import { getDayFormatter, getMonthFormatter } from "./formatter.mjs"; function formatRange(startDate, endDate, formatter, toString, timeZone) { let parts = formatter.formatRangeToParts(startDate.toDate(timeZone), endDate.toDate(timeZone)); let separatorIndex = -1; for (let i = 0; i < parts.length; i++) { let part = parts[i]; if (part.source === "shared" && part.type === "literal") { separatorIndex = i; } else if (part.source === "endRange") { break; } } let start = ""; let end = ""; for (let i = 0; i < parts.length; i++) { if (i < separatorIndex) { start += parts[i].value; } else if (i > separatorIndex) { end += parts[i].value; } } return toString(start, end); } function formatSelectedDate(startDate, endDate, locale, timeZone) { if (!startDate) return ""; let start = startDate; let end = endDate ?? startDate; let formatter = getDayFormatter(locale, timeZone); if (isSameDay(start, end)) { return formatter.format(start.toDate(timeZone)); } return formatRange(start, end, formatter, (start2, end2) => `${start2} \u2013 ${end2}`, timeZone); } function formatVisibleRange(startDate, endDate, locale, timeZone) { const start = startDate; const end = endDate ?? startDate; const dayFormatter = getDayFormatter(locale, timeZone); if (!isSameDay(start, startOfMonth(start))) { return dayFormatter.formatRange(start.toDate(timeZone), end.toDate(timeZone)); } const monthFormatter = getMonthFormatter(locale, timeZone); if (isSameDay(end, endOfMonth(start))) { return monthFormatter.format(start.toDate(timeZone)); } if (isSameDay(end, endOfMonth(end))) { return monthFormatter.formatRange(start.toDate(timeZone), end.toDate(timeZone)); } return ""; } export { formatRange, formatSelectedDate, formatVisibleRange };