iep-ui/es/fullcalendar/components/dateFunc.js

An enterprise-class UI design language and Vue-based implementation

import moment from 'moment';

var dateFunc = {
  getMonthViewStartDate: function getMonthViewStartDate(date, firstDay) {
    firstDay = parseInt(firstDay);
    var start = moment(date);
    var startOfMonth = moment(start.startOf('month'));

    start.subtract(startOfMonth.day(), 'days');

    if (startOfMonth.day() < firstDay) {
      start.subtract(7, 'days');
    }

    start.add(firstDay, 'days');

    return start;
  },
  getMonthViewEndDate: function getMonthViewEndDate(date) {
    return this.getMonthViewStartDate().add(6, 'weeks');
  }
};

export default dateFunc;