zmp-ui/esm/utils/date.js

Zalo Mini App framework

/**
 * Create a new Intl.DateTimeFormat object with the specified locale and options.
 *
 * @param {string} locale - An optional string specifying the locale to use.
 * @return {Intl.DateTimeFormat} A new Intl.DateTimeFormat object with options for formatting the weekday.
 */
export var weekDayFormatter = function weekDayFormatter(locale) {
  return new Intl.DateTimeFormat(locale, {
    weekday: "long"
  });
};

/**
 * Get the number of days in the month
 */
export var getMonthlyDay = function getMonthlyDay(year, month) {
  var day = 31;
  if (month === 1 || month === 3 || month === 5 || month === 7 || month === 8 || month === 10 || month === 12) {
    day = 31;
  } else if (month === 4 || month === 6 || month === 11 || month === 9) {
    day = 30;
  } else if (month === 2) {
    if (year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0)) {
      day = 29;
    } else {
      day = 28;
    }
  }
  return day;
};
export var getWeeksInMonth = function getWeeksInMonth(year, monthNumber, startDayOfWeek) {
  if (startDayOfWeek === void 0) {
    startDayOfWeek = 0;
  }
  var firstDayOfWeek = startDayOfWeek || 0;
  var firstOfMonth = new Date(year, monthNumber - 1, 1);
  var lastOfMonth = new Date(year, monthNumber, 0);
  var numberOfDaysInMonth = lastOfMonth.getDate();
  var firstWeekDay = (firstOfMonth.getDay() - firstDayOfWeek + 7) % 7;
  var used = firstWeekDay + numberOfDaysInMonth;
  return Math.ceil(used / 7);
};
export var getWeeksInMonthonMonday = function getWeeksInMonthonMonday(year, monthNumber) {
  var firstOfMonth = new Date(year, monthNumber - 1, 1);
  var lastOfMonth = new Date(year, monthNumber, 0);
  var used = firstOfMonth.getDay() + 6 + lastOfMonth.getDate();
  return Math.ceil(used / 7);
};
export var dayFormatter = function dayFormatter(locale) {
  return new Intl.DateTimeFormat(locale, {
    day: "2-digit"
  });
};
export var monthFormatter = function monthFormatter(locale) {
  return new Intl.DateTimeFormat(locale, {
    month: "long"
  });
};
export var shortMonthFormatter = function shortMonthFormatter(locale) {
  return new Intl.DateTimeFormat(locale, {
    month: "short"
  });
};
export var yearFormatter = function yearFormatter(locale) {
  return new Intl.DateTimeFormat(locale, {
    year: "numeric"
  });
};
export var getDayOfWeekArray = function getDayOfWeekArray(startOfWeek) {
  var dayOfWeekArray = [];
  for (var i = 0; i < 7; i++) {
    dayOfWeekArray.push((startOfWeek + i) % 7);
  }
  return dayOfWeekArray;
};