this-month/lib/index.js

Utility library to get details about an specific month.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _utils = require('./utils');

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var ThisMonth = function () {
  function ThisMonth(args) {
    _classCallCheck(this, ThisMonth);

    var year = args.year,
        month = args.month,
        daysOff = args.daysOff,
        holidays = args.holidays;

    this.year = year;
    this.month = month;
    this.daysOff = (0, _utils.getDaysOff)(daysOff);
    this.holidays = (0, _utils.getHolidays)(holidays);
  }

  _createClass(ThisMonth, [{
    key: 'weeklyDaysOff',
    value: function weeklyDaysOff() {
      return this.daysOff.join(',');
    }
  }, {
    key: 'numberOfWeeks',
    value: function numberOfWeeks() {
      var firstOfMonth = new Date(this.year, this.month - 1, 1);
      var lastOfMonth = new Date(this.year, this.month, 0);
      var used = firstOfMonth.getDay() + lastOfMonth.getDate();
      var weeks = Math.ceil(used / 7); // 7 days
      return weeks;
    }
  }, {
    key: 'numberOfNaturalDays',
    value: function numberOfNaturalDays() {
      return new Date(this.year, this.month, 0).getDate();
    }
  }, {
    key: 'numberOfDaysOff',
    value: function numberOfDaysOff() {
      var count = 0;

      for (var i = 0; i < this.daysOff.length; i += 1) {
        count += (0, _utils.numberOfSpecificDay)({
          month: this.month,
          year: this.year,
          day: this.daysOff[i]
        });
      }

      return count;
    }
  }, {
    key: 'numberOfHolidays',
    value: function numberOfHolidays() {
      var excludeWhenDayOff = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

      var count = 0;

      for (var i = 0; i < this.holidays.length; i += 1) {
        var holiday = this.holidays[i];
        var hDate = holiday.split('-');
        var hYear = parseInt(hDate[0], 10);
        var hMonth = parseInt(hDate[1], 10);

        if (hYear === this.year && hMonth === this.month) {
          var dayNumber = new Date(holiday).getUTCDay();
          var isDayOff = false;

          if (excludeWhenDayOff) {
            for (var p = 0; p < this.daysOff.length; p += 1) {
              if (dayNumber === this.daysOff[p]) {
                isDayOff = true;
              }
            }
          }

          if (!isDayOff) {
            count += 1;
          }
        }
      }

      return count;
    }
  }, {
    key: 'numberOfBusinessDays',
    value: function numberOfBusinessDays() {
      var naturalDays = this.numberOfNaturalDays();
      var totalDaysOff = this.numberOfDaysOff();
      var totalHolidaysExcludingDaysOff = this.numberOfHolidays(true);

      return naturalDays - totalDaysOff - totalHolidaysExcludingDaysOff;
    }
  }, {
    key: 'numberOfSundays',
    value: function numberOfSundays() {
      return (0, _utils.numberOfSpecificDay)({
        month: this.month,
        year: this.year,
        day: 0
      });
    }
  }, {
    key: 'numberOfMondays',
    value: function numberOfMondays() {
      return (0, _utils.numberOfSpecificDay)({
        month: this.month,
        year: this.year,
        day: 1
      });
    }
  }, {
    key: 'numberOfTuesdays',
    value: function numberOfTuesdays() {
      return (0, _utils.numberOfSpecificDay)({
        month: this.month,
        year: this.year,
        day: 2
      });
    }
  }, {
    key: 'numberOfWednesdays',
    value: function numberOfWednesdays() {
      return (0, _utils.numberOfSpecificDay)({
        month: this.month,
        year: this.year,
        day: 3
      });
    }
  }, {
    key: 'numberOfThursdays',
    value: function numberOfThursdays() {
      return (0, _utils.numberOfSpecificDay)({
        month: this.month,
        year: this.year,
        day: 4
      });
    }
  }, {
    key: 'numberOfFridays',
    value: function numberOfFridays() {
      return (0, _utils.numberOfSpecificDay)({
        month: this.month,
        year: this.year,
        day: 5
      });
    }
  }, {
    key: 'numberOfSaturdays',
    value: function numberOfSaturdays() {
      return (0, _utils.numberOfSpecificDay)({
        month: this.month,
        year: this.year,
        day: 6
      });
    }
  }]);

  return ThisMonth;
}();

exports.default = ThisMonth;