@jnoodle/rc-picker/es/utils/timeUtil.js

React date & time picker

export function setTime(generateConfig, date, hour, minute, second) {
  var nextTime = generateConfig.setHour(date, hour);
  nextTime = generateConfig.setMinute(nextTime, minute);
  nextTime = generateConfig.setSecond(nextTime, second);
  return nextTime;
}
export function getLowerBoundTime(hour, minute, second, hourStep, minuteStep, secondStep) {
  var lowerBoundHour = Math.floor(hour / hourStep) * hourStep;

  if (lowerBoundHour < hour) {
    return [lowerBoundHour, 60 - minuteStep, 60 - secondStep];
  }

  var lowerBoundMinute = Math.floor(minute / minuteStep) * minuteStep;

  if (lowerBoundMinute < minute) {
    return [lowerBoundHour, lowerBoundMinute, 60 - secondStep];
  }

  var lowerBoundSecond = Math.floor(second / secondStep) * secondStep;
  return [lowerBoundHour, lowerBoundMinute, lowerBoundSecond];
}