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moment-hijri.jsを使用してイスラム暦の日付を調整します

Moment-hijri.jsを使用してイスラム暦の日付を調整するにはどうすればよいですか？私は this calendar を使用しており、moment-hijri.jsを追加してイスラム暦の日付を追加しています。

ただし、ユーザーに日付を変更/変更/調整するオプションを提供したいと思います。

drawDay関数に次の行を追加すると、Webページがクラッシュします。

day = day.add(-1, 'iDate');

! function() {

  var today = moment();

  function Calendar(selector, events) {
    this.el = document.querySelector(selector);
    this.events = events;
    this.current = moment().date(1);
    this.draw();
    var current = document.querySelector('.today');
    if (current) {
      var self = this;
      window.setTimeout(function() {
        self.openDay(current);
      }, 500);
    }
  }

  Calendar.prototype.draw = function() {
    //Create Header
    this.drawHeader();

    //Draw Month
    this.drawMonth();

    this.drawLegend();
  }

  Calendar.prototype.drawHeader = function() {
    var self = this;
    if (!this.header) {
      //Create the header elements
      this.header = createElement('div', 'header');
      this.header.className = 'header';

      this.title = createElement('h1');

      var right = createElement('div', 'right');
      right.addEventListener('click', function() {
        self.nextMonth();
      });

      var left = createElement('div', 'left');
      left.addEventListener('click', function() {
        self.prevMonth();
      });

      //Append the Elements
      this.header.appendChild(this.title);
      this.header.appendChild(right);
      this.header.appendChild(left);
      this.el.appendChild(this.header);
    }

    this.title.innerHTML = this.current.format('MMMM YYYY');
  }

  Calendar.prototype.drawMonth = function() {
    var self = this;

    this.events.forEach(function(ev) {
      ev.date = self.current.clone().date(Math.random() * (29 - 1) + 1);
    });


    if (this.month) {
      this.oldMonth = this.month;
      this.oldMonth.className = 'month out ' + (self.next ? 'next' : 'prev');
      this.oldMonth.addEventListener('webkitAnimationEnd', function() {
        self.oldMonth.parentNode.removeChild(self.oldMonth);
        self.month = createElement('div', 'month');
        self.backFill();
        self.currentMonth();
        self.fowardFill();
        self.el.appendChild(self.month);
        window.setTimeout(function() {
          self.month.className = 'month in ' + (self.next ? 'next' : 'prev');
        }, 16);
      });
    } else {
      this.month = createElement('div', 'month');
      this.el.appendChild(this.month);
      this.backFill();
      this.currentMonth();
      this.fowardFill();
      this.month.className = 'month new';
    }
  }

  Calendar.prototype.backFill = function() {
    var clone = this.current.clone();
    var dayOfWeek = clone.day();

    if (!dayOfWeek) {
      return;
    }

    clone.subtract('days', dayOfWeek + 1);

    for (var i = dayOfWeek; i > 0; i--) {
      this.drawDay(clone.add('days', 1));
    }
  }

  Calendar.prototype.fowardFill = function() {
    var clone = this.current.clone().add('months', 1).subtract('days', 1);
    var dayOfWeek = clone.day();

    if (dayOfWeek === 6) {
      return;
    }

    for (var i = dayOfWeek; i < 6; i++) {
      this.drawDay(clone.add('days', 1));
    }
  }

  Calendar.prototype.currentMonth = function() {
    var clone = this.current.clone();

    while (clone.month() === this.current.month()) {
      this.drawDay(clone);
      clone.add('days', 1);
    }
  }

  Calendar.prototype.getWeek = function(day) {
    if (!this.week || day.day() === 0) {
      this.week = createElement('div', 'week');
      this.month.appendChild(this.week);
    }
  }

  Calendar.prototype.drawDay = function(day) {
    var self = this;
    this.getWeek(day);

    //Outer Day
    var outer = createElement('div', this.getDayClass(day));
    outer.addEventListener('click', function() {
      self.openDay(this);
    });

    //Day Name
    var name = createElement('div', 'day-name', day.format('ddd'));

    //Day Number
    var number = createElement('div', 'day-number', day.format('DD'));

    var hnumber = createElement('div', 'day-number', day.format('iD'));

    //Events
    var events = createElement('div', 'day-events');
    this.drawEvents(day, events);

    outer.appendChild(name);
    outer.appendChild(number);
    outer.appendChild(hnumber);
    outer.appendChild(events);
    this.week.appendChild(outer);
  }

  Calendar.prototype.drawEvents = function(day, element) {
    if (day.month() === this.current.month()) {
      var todaysEvents = this.events.reduce(function(memo, ev) {
        if (ev.date.isSame(day, 'day')) {
          memo.Push(ev);
        }
        return memo;
      }, []);

      todaysEvents.forEach(function(ev) {
        var evSpan = createElement('span', ev.color);
        element.appendChild(evSpan);
      });
    }
  }

  Calendar.prototype.getDayClass = function(day) {
    classes = ['day'];
    if (day.month() !== this.current.month()) {
      classes.Push('other');
    } else if (today.isSame(day, 'day')) {
      classes.Push('today');
    }
    return classes.join(' ');
  }

  Calendar.prototype.openDay = function(el) {
    var details, arrow;
    var dayNumber = +el.querySelectorAll('.day-number')[0].innerText || +el.querySelectorAll('.day-number')[0].textContent;
    var day = this.current.clone().date(dayNumber);

    var currentOpened = document.querySelector('.details');

    //Check to see if there is an open detais box on the current row
    if (currentOpened && currentOpened.parentNode === el.parentNode) {
      details = currentOpened;
      arrow = document.querySelector('.arrow');
    } else {
      //Close the open events on differnt week row
      //currentOpened && currentOpened.parentNode.removeChild(currentOpened);
      if (currentOpened) {
        currentOpened.addEventListener('webkitAnimationEnd', function() {
          currentOpened.parentNode.removeChild(currentOpened);
        });
        currentOpened.addEventListener('oanimationend', function() {
          currentOpened.parentNode.removeChild(currentOpened);
        });
        currentOpened.addEventListener('msAnimationEnd', function() {
          currentOpened.parentNode.removeChild(currentOpened);
        });
        currentOpened.addEventListener('animationend', function() {
          currentOpened.parentNode.removeChild(currentOpened);
        });
        currentOpened.className = 'details out';
      }

      //Create the Details Container
      details = createElement('div', 'details in');

      //Create the arrow
      var arrow = createElement('div', 'arrow');

      //Create the event wrapper

      details.appendChild(arrow);
      el.parentNode.appendChild(details);
    }

    var todaysEvents = this.events.reduce(function(memo, ev) {
      if (ev.date.isSame(day, 'day')) {
        memo.Push(ev);
      }
      return memo;
    }, []);

    this.renderEvents(todaysEvents, details);

    arrow.style.left = el.offsetLeft - el.parentNode.offsetLeft + 27 + 'px';
  }

  Calendar.prototype.renderEvents = function(events, ele) {
    //Remove any events in the current details element
    var currentWrapper = ele.querySelector('.events');
    var wrapper = createElement('div', 'events in' + (currentWrapper ? ' new' : ''));

    events.forEach(function(ev) {
      var div = createElement('div', 'event');
      var square = createElement('div', 'event-category ' + ev.color);
      var span = createElement('span', '', ev.eventName);

      div.appendChild(square);
      div.appendChild(span);
      wrapper.appendChild(div);
    });

    if (!events.length) {
      var div = createElement('div', 'event empty');
      var span = createElement('span', '', 'No Events');

      div.appendChild(span);
      wrapper.appendChild(div);
    }

    if (currentWrapper) {
      currentWrapper.className = 'events out';
      currentWrapper.addEventListener('webkitAnimationEnd', function() {
        currentWrapper.parentNode.removeChild(currentWrapper);
        ele.appendChild(wrapper);
      });
      currentWrapper.addEventListener('oanimationend', function() {
        currentWrapper.parentNode.removeChild(currentWrapper);
        ele.appendChild(wrapper);
      });
      currentWrapper.addEventListener('msAnimationEnd', function() {
        currentWrapper.parentNode.removeChild(currentWrapper);
        ele.appendChild(wrapper);
      });
      currentWrapper.addEventListener('animationend', function() {
        currentWrapper.parentNode.removeChild(currentWrapper);
        ele.appendChild(wrapper);
      });
    } else {
      ele.appendChild(wrapper);
    }
  }

  Calendar.prototype.drawLegend = function() {
    var legend = createElement('div', 'legend');
    var calendars = this.events.map(function(e) {
      return e.calendar + '|' + e.color;
    }).reduce(function(memo, e) {
      if (memo.indexOf(e) === -1) {
        memo.Push(e);
      }
      return memo;
    }, []).forEach(function(e) {
      var parts = e.split('|');
      var entry = createElement('span', 'entry ' + parts[1], parts[0]);
      legend.appendChild(entry);
    });
    this.el.appendChild(legend);
  }

  Calendar.prototype.nextMonth = function() {
    this.current.add('months', 1);
    this.next = true;
    this.draw();
  }

  Calendar.prototype.prevMonth = function() {
    this.current.subtract('months', 1);
    this.next = false;
    this.draw();
  }

  window.Calendar = Calendar;

  function createElement(tagName, className, innerText) {
    var ele = document.createElement(tagName);
    if (className) {
      ele.className = className;
    }
    if (innerText) {
      ele.innderText = ele.textContent = innerText;
    }
    return ele;
  }
}();

! function() {
  var data = [{
      eventName: 'Lunch Meeting w/ Mark',
      calendar: 'Work',
      color: 'orange'
    },
    {
      eventName: 'Interview - Jr. Web Developer',
      calendar: 'Work',
      color: 'orange'
    },
    {
      eventName: 'Demo New App to the Board',
      calendar: 'Work',
      color: 'orange'
    },
    {
      eventName: 'Dinner w/ Marketing',
      calendar: 'Work',
      color: 'orange'
    },

    {
      eventName: 'Game vs Portalnd',
      calendar: 'Sports',
      color: 'blue'
    },
    {
      eventName: 'Game vs Houston',
      calendar: 'Sports',
      color: 'blue'
    },
    {
      eventName: 'Game vs Denver',
      calendar: 'Sports',
      color: 'blue'
    },
    {
      eventName: 'Game vs San Degio',
      calendar: 'Sports',
      color: 'blue'
    },

    {
      eventName: 'School Play',
      calendar: 'Kids',
      color: 'yellow'
    },
    {
      eventName: 'Parent/Teacher Conference',
      calendar: 'Kids',
      color: 'yellow'
    },
    {
      eventName: 'Pick up from Soccer Practice',
      calendar: 'Kids',
      color: 'yellow'
    },
    {
      eventName: 'Ice Cream Night',
      calendar: 'Kids',
      color: 'yellow'
    },

    {
      eventName: 'Free Tamale Night',
      calendar: 'Other',
      color: 'green'
    },
    {
      eventName: 'Bowling Team',
      calendar: 'Other',
      color: 'green'
    },
    {
      eventName: 'Teach Kids to Code',
      calendar: 'Other',
      color: 'green'
    },
    {
      eventName: 'Startup Weekend',
      calendar: 'Other',
      color: 'green'
    }
  ];



  function addDate(ev) {

  }

  var calendar = new Calendar('#calendar', data);

}();
*,
*:before,
*:after {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

body {
  font-family: 'HelveticaNeue-UltraLight', 'Helvetica Neue UltraLight', 'Helvetica Neue', Arial, Helvetica, sans-serif;
  font-weight: 100;
  color: rgba(255, 255, 255, 1);
  margin: 0;
  padding: 0;
  background: #4A4A4A;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

#calendar {
  -webkit-transform: translate3d(0, 0, 0);
  -moz-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
  width: 420px;
  margin: 0 auto;
  height: 570px;
}

.header {
  height: 50px;
  width: 420px;
  background: rgba(66, 66, 66, 1);
  text-align: center;
  position: relative;
  z-index: 100;
}

.header h1 {
  margin: 0;
  padding: 0;
  font-size: 20px;
  line-height: 50px;
  font-weight: 100;
  letter-spacing: 1px;
}

.left,
.right {
  position: absolute;
  width: 0px;
  height: 0px;
  border-style: solid;
  top: 50%;
  margin-top: -7.5px;
  cursor: pointer;
}

.left {
  border-width: 7.5px 10px 7.5px 0;
  border-color: transparent rgba(160, 159, 160, 1) transparent transparent;
  left: 20px;
}

.right {
  border-width: 7.5px 0 7.5px 10px;
  border-color: transparent transparent transparent rgba(160, 159, 160, 1);
  right: 20px;
}

.month {
  /*overflow: hidden;*/
  opacity: 0;
}

.month.new {
  -webkit-animation: fadeIn 1s ease-out;
  opacity: 1;
}

.month.in.next {
  -webkit-animation: moveFromTopFadeMonth .4s ease-out;
  -moz-animation: moveFromTopFadeMonth .4s ease-out;
  animation: moveFromTopFadeMonth .4s ease-out;
  opacity: 1;
}

.month.out.next {
  -webkit-animation: moveToTopFadeMonth .4s ease-in;
  -moz-animation: moveToTopFadeMonth .4s ease-in;
  animation: moveToTopFadeMonth .4s ease-in;
  opacity: 1;
}

.month.in.prev {
  -webkit-animation: moveFromBottomFadeMonth .4s ease-out;
  -moz-animation: moveFromBottomFadeMonth .4s ease-out;
  animation: moveFromBottomFadeMonth .4s ease-out;
  opacity: 1;
}

.month.out.prev {
  -webkit-animation: moveToBottomFadeMonth .4s ease-in;
  -moz-animation: moveToBottomFadeMonth .4s ease-in;
  animation: moveToBottomFadeMonth .4s ease-in;
  opacity: 1;
}

.week {
  background: #4A4A4A;
}

.day {
  display: inline-block;
  width: 60px;
  padding: 10px;
  text-align: center;
  vertical-align: top;
  cursor: pointer;
  background: #4A4A4A;
  position: relative;
  z-index: 100;
}

.day.other {
  color: rgba(255, 255, 255, .3);
}

.day.today {
  color: rgba(156, 202, 235, 1);
}

.day-name {
  font-size: 9px;
  text-transform: uppercase;
  margin-bottom: 5px;
  color: rgba(255, 255, 255, .5);
  letter-spacing: .7px;
}

.day-number {
  font-size: 24px;
  letter-spacing: 1.5px;
}

.day .day-events {
  list-style: none;
  margin-top: 3px;
  text-align: center;
  height: 12px;
  line-height: 6px;
  overflow: hidden;
}

.day .day-events span {
  vertical-align: top;
  display: inline-block;
  padding: 0;
  margin: 0;
  width: 5px;
  height: 5px;
  line-height: 5px;
  margin: 0 1px;
}

.blue {
  background: rgba(156, 202, 235, 1);
}

.orange {
  background: rgba(247, 167, 0, 1);
}

.green {
  background: rgba(153, 198, 109, 1);
}

.yellow {
  background: rgba(249, 233, 0, 1);
}

.details {
  position: relative;
  width: 420px;
  height: 75px;
  background: rgba(164, 164, 164, 1);
  margin-top: 5px;
  border-radius: 4px;
}

.details.in {
  -webkit-animation: moveFromTopFade .5s ease both;
  -moz-animation: moveFromTopFade .5s ease both;
  animation: moveFromTopFade .5s ease both;
}

.details.out {
  -webkit-animation: moveToTopFade .5s ease both;
  -moz-animation: moveToTopFade .5s ease both;
  animation: moveToTopFade .5s ease both;
}

.arrow {
  position: absolute;
  top: -5px;
  left: 50%;
  margin-left: -2px;
  width: 0px;
  height: 0px;
  border-style: solid;
  border-width: 0 5px 5px 5px;
  border-color: transparent transparent rgba(164, 164, 164, 1) transparent;
  transition: all 0.7s ease;
}

.events {
  height: 75px;
  padding: 7px 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.events.in {
  -webkit-animation: fadeIn .3s ease both;
  -moz-animation: fadeIn .3s ease both;
  animation: fadeIn .3s ease both;
}

.events.in {
  -webkit-animation-delay: .3s;
  -moz-animation-delay: .3s;
  animation-delay: .3s;
}

.details.out .events {
  -webkit-animation: fadeOutShrink .4s ease both;
  -moz-animation: fadeOutShink .4s ease both;
  animation: fadeOutShink .4s ease both;
}

.events.out {
  -webkit-animation: fadeOut .3s ease both;
  -moz-animation: fadeOut .3s ease both;
  animation: fadeOut .3s ease both;
}

.event {
  font-size: 16px;
  line-height: 22px;
  letter-spacing: .5px;
  padding: 2px 16px;
  vertical-align: top;
}

.event.empty {
  color: #eee;
}

.event-category {
  height: 10px;
  width: 10px;
  display: inline-block;
  margin: 6px 0 0;
  vertical-align: top;
}

.event span {
  display: inline-block;
  padding: 0 0 0 7px;
}

.legend {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 30px;
  background: rgba(60, 60, 60, 1);
  line-height: 30px;
}

.entry {
  position: relative;
  padding: 0 0 0 25px;
  font-size: 13px;
  display: inline-block;
  line-height: 30px;
  background: transparent;
}

.entry:after {
  position: absolute;
  content: '';
  height: 5px;
  width: 5px;
  top: 12px;
  left: 14px;
}

.entry.blue:after {
  background: rgba(156, 202, 235, 1);
}

.entry.orange:after {
  background: rgba(247, 167, 0, 1);
}

.entry.green:after {
  background: rgba(153, 198, 109, 1);
}

.entry.yellow:after {
  background: rgba(249, 233, 0, 1);
}


/* Animations are cool!  */

@-webkit-keyframes moveFromTopFade {
  from {
    opacity: .3;
    height: 0px;
    margin-top: 0px;
    -webkit-transform: translateY(-100%);
  }
}

@-moz-keyframes moveFromTopFade {
  from {
    height: 0px;
    margin-top: 0px;
    -moz-transform: translateY(-100%);
  }
}

@keyframes moveFromTopFade {
  from {
    height: 0px;
    margin-top: 0px;
    transform: translateY(-100%);
  }
}

@-webkit-keyframes moveToTopFade {
  to {
    opacity: .3;
    height: 0px;
    margin-top: 0px;
    opacity: 0.3;
    -webkit-transform: translateY(-100%);
  }
}

@-moz-keyframes moveToTopFade {
  to {
    height: 0px;
    -moz-transform: translateY(-100%);
  }
}

@keyframes moveToTopFade {
  to {
    height: 0px;
    transform: translateY(-100%);
  }
}

@-webkit-keyframes moveToTopFadeMonth {
  to {
    opacity: 0;
    -webkit-transform: translateY(-30%) scale(.95);
  }
}

@-moz-keyframes moveToTopFadeMonth {
  to {
    opacity: 0;
    -moz-transform: translateY(-30%);
  }
}

@keyframes moveToTopFadeMonth {
  to {
    opacity: 0;
    -moz-transform: translateY(-30%);
  }
}

@-webkit-keyframes moveFromTopFadeMonth {
  from {
    opacity: 0;
    -webkit-transform: translateY(30%) scale(.95);
  }
}

@-moz-keyframes moveFromTopFadeMonth {
  from {
    opacity: 0;
    -moz-transform: translateY(30%);
  }
}

@keyframes moveFromTopFadeMonth {
  from {
    opacity: 0;
    -moz-transform: translateY(30%);
  }
}

@-webkit-keyframes moveToBottomFadeMonth {
  to {
    opacity: 0;
    -webkit-transform: translateY(30%) scale(.95);
  }
}

@-moz-keyframes moveToBottomFadeMonth {
  to {
    opacity: 0;
    -webkit-transform: translateY(30%);
  }
}

@keyframes moveToBottomFadeMonth {
  to {
    opacity: 0;
    -webkit-transform: translateY(30%);
  }
}

@-webkit-keyframes moveFromBottomFadeMonth {
  from {
    opacity: 0;
    -webkit-transform: translateY(-30%) scale(.95);
  }
}

@-moz-keyframes moveFromBottomFadeMonth {
  from {
    opacity: 0;
    -webkit-transform: translateY(-30%);
  }
}

@keyframes moveFromBottomFadeMonth {
  from {
    opacity: 0;
    -webkit-transform: translateY(-30%);
  }
}

@-webkit-keyframes fadeIn {
  from {
    opacity: 0;
  }
}

@-moz-keyframes fadeIn {
  from {
    opacity: 0;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
}

@-webkit-keyframes fadeOut {
  to {
    opacity: 0;
  }
}

@-moz-keyframes fadeOut {
  to {
    opacity: 0;
  }
}

@keyframes fadeOut {
  to {
    opacity: 0;
  }
}

@-webkit-keyframes fadeOutShink {
  to {
    opacity: 0;
    padding: 0px;
    height: 0px;
  }
}

@-moz-keyframes fadeOutShink {
  to {
    opacity: 0;
    padding: 0px;
    height: 0px;
  }
}

@keyframes fadeOutShink {
  to {
    opacity: 0;
    padding: 0px;
    height: 0px;
  }
}
<div id="calendar"></div>
<script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.25.3/moment.min.js"></script>
<script src="//cdn.jsdelivr.net/npm/[email protected]/moment-hijri.min.js"></script>
javascriptcalendarmomentjsmoment-hijri
5
input

日を加算/減算するには、「iDate」の代わりに「iDays」を使用する必要があると思います。これがおそらく、コードがクラッシュする理由です。

この問題を解決する1つの方法は、drawDay関数でモーメントオブジェクトのクローンを作成し、日数を加算/減算してからhijriでフォーマットすることです。以下の例を参照してください（調整変数を変更して変更を確認できます）。

! function() {

  var today = moment();


  // Chnage value here
  let adjust = -1;

  function Calendar(selector, events) {
    this.el = document.querySelector(selector);
    this.events = events;
    this.current = moment().date(1);
    this.draw();
    var current = document.querySelector('.today');
    if (current) {
      var self = this;
      window.setTimeout(function() {
        self.openDay(current);
      }, 500);
    }
  }

  Calendar.prototype.draw = function() {
    //Create Header
    this.drawHeader();

    //Draw Month
    this.drawMonth();

    this.drawLegend();
  }

  Calendar.prototype.drawHeader = function() {
    var self = this;
    if (!this.header) {
      //Create the header elements
      this.header = createElement('div', 'header');
      this.header.className = 'header';

      this.title = createElement('h1');

      var right = createElement('div', 'right');
      right.addEventListener('click', function() {
        self.nextMonth();
      });

      var left = createElement('div', 'left');
      left.addEventListener('click', function() {
        self.prevMonth();
      });

      //Append the Elements
      this.header.appendChild(this.title);
      this.header.appendChild(right);
      this.header.appendChild(left);
      this.el.appendChild(this.header);
    }

    this.title.innerHTML = this.current.format('MMMM YYYY');
  }

  Calendar.prototype.drawMonth = function() {
    var self = this;

    this.events.forEach(function(ev) {
      ev.date = self.current.clone().date(Math.random() * (29 - 1) + 1);
    });


    if (this.month) {
      this.oldMonth = this.month;
      this.oldMonth.className = 'month out ' + (self.next ? 'next' : 'prev');
      this.oldMonth.addEventListener('webkitAnimationEnd', function() {
        self.oldMonth.parentNode.removeChild(self.oldMonth);
        self.month = createElement('div', 'month');
        self.backFill();
        self.currentMonth();
        self.fowardFill();
        self.el.appendChild(self.month);
        window.setTimeout(function() {
          self.month.className = 'month in ' + (self.next ? 'next' : 'prev');
        }, 16);
      });
    } else {
      this.month = createElement('div', 'month');
      this.el.appendChild(this.month);
      this.backFill();
      this.currentMonth();
      this.fowardFill();
      this.month.className = 'month new';
    }
  }

  Calendar.prototype.backFill = function() {
    var clone = this.current.clone();
    var dayOfWeek = clone.day();

    if (!dayOfWeek) {
      return;
    }

    clone.subtract('days', dayOfWeek + 1);

    for (var i = dayOfWeek; i > 0; i--) {
      this.drawDay(clone.add('days', 1));
    }
  }

  Calendar.prototype.fowardFill = function() {
    var clone = this.current.clone().add('months', 1).subtract('days', 1);
    var dayOfWeek = clone.day();

    if (dayOfWeek === 6) {
      return;
    }

    for (var i = dayOfWeek; i < 6; i++) {
      this.drawDay(clone.add('days', 1));
    }
  }

  Calendar.prototype.currentMonth = function() {
    var clone = this.current.clone();

    while (clone.month() === this.current.month()) {
      this.drawDay(clone);
      clone.add('days', 1);
    }
  }

  Calendar.prototype.getWeek = function(day) {
    if (!this.week || day.day() === 0) {
      this.week = createElement('div', 'week');
      this.month.appendChild(this.week);
    }
  }

  Calendar.prototype.drawDay = function(day) {
    var self = this;
    this.getWeek(day);

    //Outer Day
    var outer = createElement('div', this.getDayClass(day));
    outer.addEventListener('click', function() {
      self.openDay(this);
    });

    //Day Name
    var name = createElement('div', 'day-name', day.format('ddd'));

    //Day Number
    var number = createElement('div', 'day-number', day.format('DD'));

    // For hijri date clone momnet object, add or subtract days then format in hijri
    var hnumber = createElement('div', 'day-number', day.clone().add(adjust, 'days').format('iD'));

    //Events
    var events = createElement('div', 'day-events');
    this.drawEvents(day, events);

    outer.appendChild(name);
    outer.appendChild(number);
    outer.appendChild(hnumber);
    outer.appendChild(events);
    this.week.appendChild(outer);
  }

  Calendar.prototype.drawEvents = function(day, element) {
    if (day.month() === this.current.month()) {
      var todaysEvents = this.events.reduce(function(memo, ev) {
        if (ev.date.isSame(day, 'day')) {
          memo.Push(ev);
        }
        return memo;
      }, []);

      todaysEvents.forEach(function(ev) {
        var evSpan = createElement('span', ev.color);
        element.appendChild(evSpan);
      });
    }
  }

  Calendar.prototype.getDayClass = function(day) {
    classes = ['day'];
    if (day.month() !== this.current.month()) {
      classes.Push('other');
    } else if (today.isSame(day, 'day')) {
      classes.Push('today');
    }
    return classes.join(' ');
  }

  Calendar.prototype.openDay = function(el) {
    var details, arrow;
    var dayNumber = +el.querySelectorAll('.day-number')[0].innerText || +el.querySelectorAll('.day-number')[0].textContent;
    var day = this.current.clone().date(dayNumber);

    var currentOpened = document.querySelector('.details');

    //Check to see if there is an open detais box on the current row
    if (currentOpened && currentOpened.parentNode === el.parentNode) {
      details = currentOpened;
      arrow = document.querySelector('.arrow');
    } else {
      //Close the open events on differnt week row
      //currentOpened && currentOpened.parentNode.removeChild(currentOpened);
      if (currentOpened) {
        currentOpened.addEventListener('webkitAnimationEnd', function() {
          currentOpened.parentNode.removeChild(currentOpened);
        });
        currentOpened.addEventListener('oanimationend', function() {
          currentOpened.parentNode.removeChild(currentOpened);
        });
        currentOpened.addEventListener('msAnimationEnd', function() {
          currentOpened.parentNode.removeChild(currentOpened);
        });
        currentOpened.addEventListener('animationend', function() {
          currentOpened.parentNode.removeChild(currentOpened);
        });
        currentOpened.className = 'details out';
      }

      //Create the Details Container
      details = createElement('div', 'details in');

      //Create the arrow
      var arrow = createElement('div', 'arrow');

      //Create the event wrapper

      details.appendChild(arrow);
      el.parentNode.appendChild(details);
    }

    var todaysEvents = this.events.reduce(function(memo, ev) {
      if (ev.date.isSame(day, 'day')) {
        memo.Push(ev);
      }
      return memo;
    }, []);

    this.renderEvents(todaysEvents, details);

    arrow.style.left = el.offsetLeft - el.parentNode.offsetLeft + 27 + 'px';
  }

  Calendar.prototype.renderEvents = function(events, ele) {
    //Remove any events in the current details element
    var currentWrapper = ele.querySelector('.events');
    var wrapper = createElement('div', 'events in' + (currentWrapper ? ' new' : ''));

    events.forEach(function(ev) {
      var div = createElement('div', 'event');
      var square = createElement('div', 'event-category ' + ev.color);
      var span = createElement('span', '', ev.eventName);

      div.appendChild(square);
      div.appendChild(span);
      wrapper.appendChild(div);
    });

    if (!events.length) {
      var div = createElement('div', 'event empty');
      var span = createElement('span', '', 'No Events');

      div.appendChild(span);
      wrapper.appendChild(div);
    }

    if (currentWrapper) {
      currentWrapper.className = 'events out';
      currentWrapper.addEventListener('webkitAnimationEnd', function() {
        currentWrapper.parentNode.removeChild(currentWrapper);
        ele.appendChild(wrapper);
      });
      currentWrapper.addEventListener('oanimationend', function() {
        currentWrapper.parentNode.removeChild(currentWrapper);
        ele.appendChild(wrapper);
      });
      currentWrapper.addEventListener('msAnimationEnd', function() {
        currentWrapper.parentNode.removeChild(currentWrapper);
        ele.appendChild(wrapper);
      });
      currentWrapper.addEventListener('animationend', function() {
        currentWrapper.parentNode.removeChild(currentWrapper);
        ele.appendChild(wrapper);
      });
    } else {
      ele.appendChild(wrapper);
    }
  }

  Calendar.prototype.drawLegend = function() {
    var legend = createElement('div', 'legend');
    var calendars = this.events.map(function(e) {
      return e.calendar + '|' + e.color;
    }).reduce(function(memo, e) {
      if (memo.indexOf(e) === -1) {
        memo.Push(e);
      }
      return memo;
    }, []).forEach(function(e) {
      var parts = e.split('|');
      var entry = createElement('span', 'entry ' + parts[1], parts[0]);
      legend.appendChild(entry);
    });
    this.el.appendChild(legend);
  }

  Calendar.prototype.nextMonth = function() {
    this.current.add('months', 1);
    this.next = true;
    this.draw();
  }

  Calendar.prototype.prevMonth = function() {
    this.current.subtract('months', 1);
    this.next = false;
    this.draw();
  }

  window.Calendar = Calendar;

  function createElement(tagName, className, innerText) {
    var ele = document.createElement(tagName);
    if (className) {
      ele.className = className;
    }
    if (innerText) {
      ele.innderText = ele.textContent = innerText;
    }
    return ele;
  }
}();

! function() {
  var data = [{
      eventName: 'Lunch Meeting w/ Mark',
      calendar: 'Work',
      color: 'orange'
    },
    {
      eventName: 'Interview - Jr. Web Developer',
      calendar: 'Work',
      color: 'orange'
    },
    {
      eventName: 'Demo New App to the Board',
      calendar: 'Work',
      color: 'orange'
    },
    {
      eventName: 'Dinner w/ Marketing',
      calendar: 'Work',
      color: 'orange'
    },

    {
      eventName: 'Game vs Portalnd',
      calendar: 'Sports',
      color: 'blue'
    },
    {
      eventName: 'Game vs Houston',
      calendar: 'Sports',
      color: 'blue'
    },
    {
      eventName: 'Game vs Denver',
      calendar: 'Sports',
      color: 'blue'
    },
    {
      eventName: 'Game vs San Degio',
      calendar: 'Sports',
      color: 'blue'
    },

    {
      eventName: 'School Play',
      calendar: 'Kids',
      color: 'yellow'
    },
    {
      eventName: 'Parent/Teacher Conference',
      calendar: 'Kids',
      color: 'yellow'
    },
    {
      eventName: 'Pick up from Soccer Practice',
      calendar: 'Kids',
      color: 'yellow'
    },
    {
      eventName: 'Ice Cream Night',
      calendar: 'Kids',
      color: 'yellow'
    },

    {
      eventName: 'Free Tamale Night',
      calendar: 'Other',
      color: 'green'
    },
    {
      eventName: 'Bowling Team',
      calendar: 'Other',
      color: 'green'
    },
    {
      eventName: 'Teach Kids to Code',
      calendar: 'Other',
      color: 'green'
    },
    {
      eventName: 'Startup Weekend',
      calendar: 'Other',
      color: 'green'
    }
  ];



  function addDate(ev) {

  }

  var calendar = new Calendar('#calendar', data);

}();
*,
*:before,
*:after {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

body {
  font-family: 'HelveticaNeue-UltraLight', 'Helvetica Neue UltraLight', 'Helvetica Neue', Arial, Helvetica, sans-serif;
  font-weight: 100;
  color: rgba(255, 255, 255, 1);
  margin: 0;
  padding: 0;
  background: #4A4A4A;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

#calendar {
  -webkit-transform: translate3d(0, 0, 0);
  -moz-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
  width: 420px;
  margin: 0 auto;
  height: 570px;
}

.header {
  height: 50px;
  width: 420px;
  background: rgba(66, 66, 66, 1);
  text-align: center;
  position: relative;
  z-index: 100;
}

.header h1 {
  margin: 0;
  padding: 0;
  font-size: 20px;
  line-height: 50px;
  font-weight: 100;
  letter-spacing: 1px;
}

.left,
.right {
  position: absolute;
  width: 0px;
  height: 0px;
  border-style: solid;
  top: 50%;
  margin-top: -7.5px;
  cursor: pointer;
}

.left {
  border-width: 7.5px 10px 7.5px 0;
  border-color: transparent rgba(160, 159, 160, 1) transparent transparent;
  left: 20px;
}

.right {
  border-width: 7.5px 0 7.5px 10px;
  border-color: transparent transparent transparent rgba(160, 159, 160, 1);
  right: 20px;
}

.month {
  /*overflow: hidden;*/
  opacity: 0;
}

.month.new {
  -webkit-animation: fadeIn 1s ease-out;
  opacity: 1;
}

.month.in.next {
  -webkit-animation: moveFromTopFadeMonth .4s ease-out;
  -moz-animation: moveFromTopFadeMonth .4s ease-out;
  animation: moveFromTopFadeMonth .4s ease-out;
  opacity: 1;
}

.month.out.next {
  -webkit-animation: moveToTopFadeMonth .4s ease-in;
  -moz-animation: moveToTopFadeMonth .4s ease-in;
  animation: moveToTopFadeMonth .4s ease-in;
  opacity: 1;
}

.month.in.prev {
  -webkit-animation: moveFromBottomFadeMonth .4s ease-out;
  -moz-animation: moveFromBottomFadeMonth .4s ease-out;
  animation: moveFromBottomFadeMonth .4s ease-out;
  opacity: 1;
}

.month.out.prev {
  -webkit-animation: moveToBottomFadeMonth .4s ease-in;
  -moz-animation: moveToBottomFadeMonth .4s ease-in;
  animation: moveToBottomFadeMonth .4s ease-in;
  opacity: 1;
}

.week {
  background: #4A4A4A;
}

.day {
  display: inline-block;
  width: 60px;
  padding: 10px;
  text-align: center;
  vertical-align: top;
  cursor: pointer;
  background: #4A4A4A;
  position: relative;
  z-index: 100;
}

.day.other {
  color: rgba(255, 255, 255, .3);
}

.day.today {
  color: rgba(156, 202, 235, 1);
}

.day-name {
  font-size: 9px;
  text-transform: uppercase;
  margin-bottom: 5px;
  color: rgba(255, 255, 255, .5);
  letter-spacing: .7px;
}

.day-number {
  font-size: 24px;
  letter-spacing: 1.5px;
}

.day .day-events {
  list-style: none;
  margin-top: 3px;
  text-align: center;
  height: 12px;
  line-height: 6px;
  overflow: hidden;
}

.day .day-events span {
  vertical-align: top;
  display: inline-block;
  padding: 0;
  margin: 0;
  width: 5px;
  height: 5px;
  line-height: 5px;
  margin: 0 1px;
}

.blue {
  background: rgba(156, 202, 235, 1);
}

.orange {
  background: rgba(247, 167, 0, 1);
}

.green {
  background: rgba(153, 198, 109, 1);
}

.yellow {
  background: rgba(249, 233, 0, 1);
}

.details {
  position: relative;
  width: 420px;
  height: 75px;
  background: rgba(164, 164, 164, 1);
  margin-top: 5px;
  border-radius: 4px;
}

.details.in {
  -webkit-animation: moveFromTopFade .5s ease both;
  -moz-animation: moveFromTopFade .5s ease both;
  animation: moveFromTopFade .5s ease both;
}

.details.out {
  -webkit-animation: moveToTopFade .5s ease both;
  -moz-animation: moveToTopFade .5s ease both;
  animation: moveToTopFade .5s ease both;
}

.arrow {
  position: absolute;
  top: -5px;
  left: 50%;
  margin-left: -2px;
  width: 0px;
  height: 0px;
  border-style: solid;
  border-width: 0 5px 5px 5px;
  border-color: transparent transparent rgba(164, 164, 164, 1) transparent;
  transition: all 0.7s ease;
}

.events {
  height: 75px;
  padding: 7px 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.events.in {
  -webkit-animation: fadeIn .3s ease both;
  -moz-animation: fadeIn .3s ease both;
  animation: fadeIn .3s ease both;
}

.events.in {
  -webkit-animation-delay: .3s;
  -moz-animation-delay: .3s;
  animation-delay: .3s;
}

.details.out .events {
  -webkit-animation: fadeOutShrink .4s ease both;
  -moz-animation: fadeOutShink .4s ease both;
  animation: fadeOutShink .4s ease both;
}

.events.out {
  -webkit-animation: fadeOut .3s ease both;
  -moz-animation: fadeOut .3s ease both;
  animation: fadeOut .3s ease both;
}

.event {
  font-size: 16px;
  line-height: 22px;
  letter-spacing: .5px;
  padding: 2px 16px;
  vertical-align: top;
}

.event.empty {
  color: #eee;
}

.event-category {
  height: 10px;
  width: 10px;
  display: inline-block;
  margin: 6px 0 0;
  vertical-align: top;
}

.event span {
  display: inline-block;
  padding: 0 0 0 7px;
}

.legend {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 30px;
  background: rgba(60, 60, 60, 1);
  line-height: 30px;
}

.entry {
  position: relative;
  padding: 0 0 0 25px;
  font-size: 13px;
  display: inline-block;
  line-height: 30px;
  background: transparent;
}

.entry:after {
  position: absolute;
  content: '';
  height: 5px;
  width: 5px;
  top: 12px;
  left: 14px;
}

.entry.blue:after {
  background: rgba(156, 202, 235, 1);
}

.entry.orange:after {
  background: rgba(247, 167, 0, 1);
}

.entry.green:after {
  background: rgba(153, 198, 109, 1);
}

.entry.yellow:after {
  background: rgba(249, 233, 0, 1);
}


/* Animations are cool!  */

@-webkit-keyframes moveFromTopFade {
  from {
    opacity: .3;
    height: 0px;
    margin-top: 0px;
    -webkit-transform: translateY(-100%);
  }
}

@-moz-keyframes moveFromTopFade {
  from {
    height: 0px;
    margin-top: 0px;
    -moz-transform: translateY(-100%);
  }
}

@keyframes moveFromTopFade {
  from {
    height: 0px;
    margin-top: 0px;
    transform: translateY(-100%);
  }
}

@-webkit-keyframes moveToTopFade {
  to {
    opacity: .3;
    height: 0px;
    margin-top: 0px;
    opacity: 0.3;
    -webkit-transform: translateY(-100%);
  }
}

@-moz-keyframes moveToTopFade {
  to {
    height: 0px;
    -moz-transform: translateY(-100%);
  }
}

@keyframes moveToTopFade {
  to {
    height: 0px;
    transform: translateY(-100%);
  }
}

@-webkit-keyframes moveToTopFadeMonth {
  to {
    opacity: 0;
    -webkit-transform: translateY(-30%) scale(.95);
  }
}

@-moz-keyframes moveToTopFadeMonth {
  to {
    opacity: 0;
    -moz-transform: translateY(-30%);
  }
}

@keyframes moveToTopFadeMonth {
  to {
    opacity: 0;
    -moz-transform: translateY(-30%);
  }
}

@-webkit-keyframes moveFromTopFadeMonth {
  from {
    opacity: 0;
    -webkit-transform: translateY(30%) scale(.95);
  }
}

@-moz-keyframes moveFromTopFadeMonth {
  from {
    opacity: 0;
    -moz-transform: translateY(30%);
  }
}

@keyframes moveFromTopFadeMonth {
  from {
    opacity: 0;
    -moz-transform: translateY(30%);
  }
}

@-webkit-keyframes moveToBottomFadeMonth {
  to {
    opacity: 0;
    -webkit-transform: translateY(30%) scale(.95);
  }
}

@-moz-keyframes moveToBottomFadeMonth {
  to {
    opacity: 0;
    -webkit-transform: translateY(30%);
  }
}

@keyframes moveToBottomFadeMonth {
  to {
    opacity: 0;
    -webkit-transform: translateY(30%);
  }
}

@-webkit-keyframes moveFromBottomFadeMonth {
  from {
    opacity: 0;
    -webkit-transform: translateY(-30%) scale(.95);
  }
}

@-moz-keyframes moveFromBottomFadeMonth {
  from {
    opacity: 0;
    -webkit-transform: translateY(-30%);
  }
}

@keyframes moveFromBottomFadeMonth {
  from {
    opacity: 0;
    -webkit-transform: translateY(-30%);
  }
}

@-webkit-keyframes fadeIn {
  from {
    opacity: 0;
  }
}

@-moz-keyframes fadeIn {
  from {
    opacity: 0;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
}

@-webkit-keyframes fadeOut {
  to {
    opacity: 0;
  }
}

@-moz-keyframes fadeOut {
  to {
    opacity: 0;
  }
}

@keyframes fadeOut {
  to {
    opacity: 0;
  }
}

@-webkit-keyframes fadeOutShink {
  to {
    opacity: 0;
    padding: 0px;
    height: 0px;
  }
}

@-moz-keyframes fadeOutShink {
  to {
    opacity: 0;
    padding: 0px;
    height: 0px;
  }
}

@keyframes fadeOutShink {
  to {
    opacity: 0;
    padding: 0px;
    height: 0px;
  }
}
<div id="calendar"></div>
<script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.25.3/moment.min.js"></script>
<script src="//cdn.jsdelivr.net/npm/[email protected]/moment-hijri.min.js"></script>
1
Kalimah