Method getFirstDayOfWeek

src/components/DayPicker.jsx:641–648

()

  }

  getFirstDayOfWeek() {
    const { firstDayOfWeek } = this.props;
    if (firstDayOfWeek == null) {
      return moment.localeData().firstDayOfWeek();
    }

    return firstDayOfWeek;
  }

  getWeekHeaders() {
    const { weekDayFormat } = this.props;