Method sub

src/Datepicker/TimeSet.js:33–41

()

  }

  sub () {
    let value = this.state.value,
        max = this.props.type === 'hour' ? 23 : 59;
    value -= 1;
    if (value < 0) {
      value = max;
    }
    this.changeTime(value);
  }

  changeTime (value) {
    let d = {};