temporal-extra/dist/adjusters.js

Locale-aware date utilities for Temporal: week numbers, date adjusters, polyfill support and more

import "./week-info/polyfill.js";
/**
 * Returns the previous business day dependent on locale.
 */
export const previousBusinessDay = (date, locale) => {
    const { weekend } = (typeof locale === "string" ? new Intl.Locale(locale) : locale).getWeekInfo();
    let diff = 1;
    while (weekend.includes(((date.dayOfWeek - diff - 1 + 7) % 7) + 1)) {
        diff++;
    }
    return date.subtract({ days: diff });
};
/**
 * Returns the next business day dependent on locale.
 */
export const nextBusinessDay = (date, locale) => {
    const { weekend } = (typeof locale === "string" ? new Intl.Locale(locale) : locale).getWeekInfo();
    let diff = 1;
    while (weekend.includes(((date.dayOfWeek + diff - 1 + 7) % 7) + 1)) {
        diff++;
    }
    return date.add({ days: diff });
};
/**
 * Returns the most recent day matching a given day of week.
 */
export const previousDayOfWeek = (date, dayOfWeek) => {
    const diff = dayOfWeek - date.dayOfWeek;
    return date.subtract({ days: diff >= 0 ? 7 - diff : -diff });
};
/**
 * Returns the most recent or same day matching a given day of week.
 */
export const previousOrSameDayOfWeek = (date, dayOfWeek) => {
    if (date.dayOfWeek === dayOfWeek) {
        return date;
    }
    const diff = dayOfWeek - date.dayOfWeek;
    return date.subtract({ days: diff >= 0 ? 7 - diff : -diff });
};
/**
 * Returns the closest next day matching a given day of week.
 */
export const nextDayOfWeek = (date, dayOfWeek) => {
    const diff = date.dayOfWeek - dayOfWeek;
    return date.add({ days: diff >= 0 ? 7 - diff : -diff });
};
/**
 * Returns the closest next or same day matching a given day of week.
 */
export const nextOrSameDayOfWeek = (date, dayOfWeek) => {
    if (date.dayOfWeek === dayOfWeek) {
        return date;
    }
    const diff = date.dayOfWeek - dayOfWeek;
    return date.add({ days: diff >= 0 ? 7 - diff : -diff });
};
/**
 * Returns the first day of the week dependent on locale.
 */
export const firstDayOfWeek = (date, locale) => {
    const { firstDay } = (typeof locale === "string" ? new Intl.Locale(locale) : locale).getWeekInfo();
    const diff = date.dayOfWeek - firstDay;
    return date.subtract({ days: diff >= 0 ? diff : 7 + diff });
};
/**
 * Returns the last day of the week dependent on locale.
 */
export const lastDayOfWeek = (date, locale) => {
    const { firstDay } = (typeof locale === "string" ? new Intl.Locale(locale) : locale).getWeekInfo();
    const lastDay = ((firstDay + 5) % 7) + 1;
    const diff = lastDay - date.dayOfWeek;
    return date.add({ days: diff >= 0 ? diff : 7 + diff });
};
/**
 * Returns the first day of the month.
 */
export const firstDayOfMonth = (date) => {
    return date.with({ day: 1 });
};
/**
 * Returns the last day of the month.
 */
export const lastDayOfMonth = (date) => {
    return date.with({ day: date.daysInMonth });
};
/**
 * Returns the first day of the year.
 */
export const firstDayOfYear = (date) => {
    return date.with({ month: 1, day: 1 });
};
/**
 * Returns the last day of the year.
 */
export const lastDayOfYear = (date) => {
    return date.with({ month: 12, day: 31 });
};
/**
 * Returns the first day of the next month.
 */
export const firstDayOfNextMonth = (date) => {
    return date.month === 12
        ? date.with({ year: date.year + 1, month: 1, day: 1 })
        : date.with({ month: date.month + 1, day: 1 });
};
/**
 * Returns the first day of the next year.
 */
export const firstDayOfNextYear = (date) => {
    return date.with({ year: date.year + 1, month: 1, day: 1 });
};
/**
 * Returns the start of the day.
 */
export const startOfDay = (dateTime) => {
    return dateTime.with({
        hour: 0,
        minute: 0,
        second: 0,
        millisecond: 0,
        microsecond: 0,
        nanosecond: 0,
    });
};
/**
 * Returns the end of the day.
 */
export const endOfDay = (dateTime) => {
    return dateTime.with({
        hour: 23,
        minute: 59,
        second: 59,
        millisecond: 999,
        microsecond: 999,
        nanosecond: 999,
    });
};