element-nice-ui/lib/utils/date-util.js

A Component Library for Vue.js.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.validateRangeInOneMonth = exports.toDate = exports.timeWithinRange = exports.range = exports.prevYear = exports.prevMonth = exports.prevDate = exports.parseDate = exports.nextYear = exports.nextMonth = exports.nextDate = exports.modifyWithTimeString = exports.modifyTime = exports.modifyDate = exports.limitTimeRange = exports.isDateObject = exports.isDate = exports.getWeekNumber = exports.getStartDateOfMonth = exports.getRangeMinutes = exports.getRangeHours = exports.getPrevMonthLastDays = exports.getMonthDays = exports.getI18nSettings = exports.getFirstDayOfMonth = exports.getDayCountOfYear = exports.getDayCountOfMonth = exports.formatDate = exports.extractTimeFormat = exports.extractDateFormat = exports.clearTime = exports.clearMilliseconds = exports.changeYearMonthAndClampDate = void 0;
var _date = _interopRequireDefault(require("element-nice-ui/src/utils/date"));
var _locale = require("element-nice-ui/src/locale");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const weeks = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat'];
const months = ['jan', 'feb', 'mar', 'apr', 'may', 'jun', 'jul', 'aug', 'sep', 'oct', 'nov', 'dec'];
const newArray = function newArray(start, end) {
  let result = [];
  for (let i = start; i <= end; i++) {
    result.push(i);
  }
  return result;
};
const getI18nSettings = () => {
  return {
    dayNamesShort: weeks.map(week => (0, _locale.t)("el.datepicker.weeks.".concat(week))),
    dayNames: weeks.map(week => (0, _locale.t)("el.datepicker.weeks.".concat(week))),
    monthNamesShort: months.map(month => (0, _locale.t)("el.datepicker.months.".concat(month))),
    monthNames: months.map((month, index) => (0, _locale.t)("el.datepicker.month".concat(index + 1))),
    amPm: ['am', 'pm']
  };
};
exports.getI18nSettings = getI18nSettings;
const toDate = exports.toDate = function toDate(date) {
  return isDate(date) ? new Date(date) : null;
};
const isDate = exports.isDate = function isDate(date) {
  if (date === null || date === undefined) return false;
  if (isNaN(new Date(date).getTime())) return false;
  if (Array.isArray(date)) return false; // deal with `new Date([ new Date() ]) -> new Date()`
  return true;
};
const isDateObject = exports.isDateObject = function isDateObject(val) {
  return val instanceof Date;
};
const formatDate = exports.formatDate = function formatDate(date, format) {
  date = toDate(date);
  if (!date) return '';
  return _date.default.format(date, format || 'yyyy-MM-dd', getI18nSettings());
};
const parseDate = exports.parseDate = function parseDate(string, format) {
  return _date.default.parse(string, format || 'yyyy-MM-dd', getI18nSettings());
};
const getDayCountOfMonth = exports.getDayCountOfMonth = function getDayCountOfMonth(year, month) {
  if (month === 3 || month === 5 || month === 8 || month === 10) {
    return 30;
  }
  if (month === 1) {
    if (year % 4 === 0 && year % 100 !== 0 || year % 400 === 0) {
      return 29;
    } else {
      return 28;
    }
  }
  return 31;
};
const getDayCountOfYear = exports.getDayCountOfYear = function getDayCountOfYear(year) {
  const isLeapYear = year % 400 === 0 || year % 100 !== 0 && year % 4 === 0;
  return isLeapYear ? 366 : 365;
};
const getFirstDayOfMonth = exports.getFirstDayOfMonth = function getFirstDayOfMonth(date) {
  const temp = new Date(date.getTime());
  temp.setDate(1);
  return temp.getDay();
};

// see: https://stackoverflow.com/questions/3674539/incrementing-a-date-in-javascript
// {prev, next} Date should work for Daylight Saving Time
// Adding 24 * 60 * 60 * 1000 does not work in the above scenario
const prevDate = exports.prevDate = function prevDate(date) {
  let amount = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
  return new Date(date.getFullYear(), date.getMonth(), date.getDate() - amount);
};
const nextDate = exports.nextDate = function nextDate(date) {
  let amount = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
  return new Date(date.getFullYear(), date.getMonth(), date.getDate() + amount);
};
const getStartDateOfMonth = exports.getStartDateOfMonth = function getStartDateOfMonth(year, month) {
  const result = new Date(year, month, 1);
  const day = result.getDay();
  if (day === 0) {
    return prevDate(result, 7);
  } else {
    return prevDate(result, day);
  }
};
const getWeekNumber = exports.getWeekNumber = function getWeekNumber(src) {
  if (!isDate(src)) return null;
  const date = new Date(src.getTime());
  date.setHours(0, 0, 0, 0);
  // Thursday in current week decides the year.
  date.setDate(date.getDate() + 3 - (date.getDay() + 6) % 7);
  // January 4 is always in week 1.
  const week1 = new Date(date.getFullYear(), 0, 4);
  // Adjust to Thursday in week 1 and count number of weeks from date to week 1.
  // Rounding should be fine for Daylight Saving Time. Its shift should never be more than 12 hours.
  return 1 + Math.round(((date.getTime() - week1.getTime()) / 86400000 - 3 + (week1.getDay() + 6) % 7) / 7);
};
const getRangeHours = exports.getRangeHours = function getRangeHours(ranges) {
  const hours = [];
  let disabledHours = [];
  (ranges || []).forEach(range => {
    const value = range.map(date => date.getHours());
    disabledHours = disabledHours.concat(newArray(value[0], value[1]));
  });
  if (disabledHours.length) {
    for (let i = 0; i < 24; i++) {
      hours[i] = disabledHours.indexOf(i) === -1;
    }
  } else {
    for (let i = 0; i < 24; i++) {
      hours[i] = false;
    }
  }
  return hours;
};
const getPrevMonthLastDays = (date, amount) => {
  if (amount <= 0) return [];
  const temp = new Date(date.getTime());
  temp.setDate(0);
  const lastDay = temp.getDate();
  return range(amount).map((_, index) => lastDay - (amount - index - 1));
};
exports.getPrevMonthLastDays = getPrevMonthLastDays;
const getMonthDays = date => {
  const temp = new Date(date.getFullYear(), date.getMonth() + 1, 0);
  const days = temp.getDate();
  return range(days).map((_, index) => index + 1);
};
exports.getMonthDays = getMonthDays;
function setRangeData(arr, start, end, value) {
  for (let i = start; i < end; i++) {
    arr[i] = value;
  }
}
const getRangeMinutes = exports.getRangeMinutes = function getRangeMinutes(ranges, hour) {
  const minutes = new Array(60);
  if (ranges.length > 0) {
    ranges.forEach(range => {
      const start = range[0];
      const end = range[1];
      const startHour = start.getHours();
      const startMinute = start.getMinutes();
      const endHour = end.getHours();
      const endMinute = end.getMinutes();
      if (startHour === hour && endHour !== hour) {
        setRangeData(minutes, startMinute, 60, true);
      } else if (startHour === hour && endHour === hour) {
        setRangeData(minutes, startMinute, endMinute + 1, true);
      } else if (startHour !== hour && endHour === hour) {
        setRangeData(minutes, 0, endMinute + 1, true);
      } else if (startHour < hour && endHour > hour) {
        setRangeData(minutes, 0, 60, true);
      }
    });
  } else {
    setRangeData(minutes, 0, 60, true);
  }
  return minutes;
};
const range = exports.range = function range(n) {
  // see https://stackoverflow.com/questions/3746725/create-a-javascript-array-containing-1-n
  return Array.apply(null, {
    length: n
  }).map((_, n) => n);
};
const modifyDate = exports.modifyDate = function modifyDate(date, y, m, d) {
  return new Date(y, m, d, date.getHours(), date.getMinutes(), date.getSeconds(), date.getMilliseconds());
};
const modifyTime = exports.modifyTime = function modifyTime(date, h, m, s) {
  return new Date(date.getFullYear(), date.getMonth(), date.getDate(), h, m, s, date.getMilliseconds());
};
const modifyWithTimeString = (date, time) => {
  if (date == null || !time) {
    return date;
  }
  time = parseDate(time, 'HH:mm:ss');
  return modifyTime(date, time.getHours(), time.getMinutes(), time.getSeconds());
};
exports.modifyWithTimeString = modifyWithTimeString;
const clearTime = exports.clearTime = function clearTime(date) {
  return new Date(date.getFullYear(), date.getMonth(), date.getDate());
};
const clearMilliseconds = exports.clearMilliseconds = function clearMilliseconds(date) {
  return new Date(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds(), 0);
};
const limitTimeRange = exports.limitTimeRange = function limitTimeRange(date, ranges) {
  let format = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'HH:mm:ss';
  // TODO: refactory a more elegant solution
  if (ranges.length === 0) return date;
  const normalizeDate = date => _date.default.parse(_date.default.format(date, format), format);
  const ndate = normalizeDate(date);
  const nranges = ranges.map(range => range.map(normalizeDate));
  if (nranges.some(nrange => ndate >= nrange[0] && ndate <= nrange[1])) return date;
  let minDate = nranges[0][0];
  let maxDate = nranges[0][0];
  nranges.forEach(nrange => {
    minDate = new Date(Math.min(nrange[0], minDate));
    maxDate = new Date(Math.max(nrange[1], minDate));
  });
  const ret = ndate < minDate ? minDate : maxDate;
  // preserve Year/Month/Date
  return modifyDate(ret, date.getFullYear(), date.getMonth(), date.getDate());
};
const timeWithinRange = exports.timeWithinRange = function timeWithinRange(date, selectableRange, format) {
  const limitedDate = limitTimeRange(date, selectableRange, format);
  return limitedDate.getTime() === date.getTime();
};
const changeYearMonthAndClampDate = exports.changeYearMonthAndClampDate = function changeYearMonthAndClampDate(date, year, month) {
  // clamp date to the number of days in `year`, `month`
  // eg: (2010-1-31, 2010, 2) => 2010-2-28
  const monthDate = Math.min(date.getDate(), getDayCountOfMonth(year, month));
  return modifyDate(date, year, month, monthDate);
};
const prevMonth = exports.prevMonth = function prevMonth(date) {
  const year = date.getFullYear();
  const month = date.getMonth();
  return month === 0 ? changeYearMonthAndClampDate(date, year - 1, 11) : changeYearMonthAndClampDate(date, year, month - 1);
};
const nextMonth = exports.nextMonth = function nextMonth(date) {
  const year = date.getFullYear();
  const month = date.getMonth();
  return month === 11 ? changeYearMonthAndClampDate(date, year + 1, 0) : changeYearMonthAndClampDate(date, year, month + 1);
};
const prevYear = exports.prevYear = function prevYear(date) {
  let amount = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
  const year = date.getFullYear();
  const month = date.getMonth();
  return changeYearMonthAndClampDate(date, year - amount, month);
};
const nextYear = exports.nextYear = function nextYear(date) {
  let amount = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
  const year = date.getFullYear();
  const month = date.getMonth();
  return changeYearMonthAndClampDate(date, year + amount, month);
};
const extractDateFormat = exports.extractDateFormat = function extractDateFormat(format) {
  return format.replace(/\W?m{1,2}|\W?ZZ/g, '').replace(/\W?h{1,2}|\W?s{1,3}|\W?a/gi, '').trim();
};
const extractTimeFormat = exports.extractTimeFormat = function extractTimeFormat(format) {
  return format.replace(/\W?D{1,2}|\W?Do|\W?d{1,4}|\W?M{1,4}|\W?y{2,4}/g, '').trim();
};
const validateRangeInOneMonth = exports.validateRangeInOneMonth = function validateRangeInOneMonth(start, end) {
  return start.getMonth() === end.getMonth() && start.getFullYear() === end.getFullYear();
};