orchestra-app/src/helpers/date.ts

import dayjs from 'dayjs'
export function addFormMinute(timerStr, time = 0) {
  const timer = dayjs('2021-12-17' + ' ' + timerStr).add(time, 'minute')
  return timer.format('HH:mm:ss')
}
export function addFormMinuteAddS(timerStr, time = 0) {
  const timer = dayjs('2021-12-17' + ' ' + timerStr)
    .add(time, 'minute')
    .add(1, 'second')
  return timer.format('HH:mm:ss')
}
export function addFormMinuteMS(timerStr, time = 0) {
  const timer = dayjs('2021-12-17' + ' ' + timerStr)
    .add(time, 'minute')
    .subtract(1, 'second')
  return timer.format('HH:mm:ss')
}
export function reduceFormMinute(timerStr, time = 0) {
  const timer = dayjs('2021-12-17' + ' ' + timerStr).subtract(time, 'minute')
  return timer.format('HH:mm:ss')
}
export function reduceFormMinuteAddS(timerStr, time = 0) {
  const timer = dayjs('2021-12-17' + ' ' + timerStr)
    .subtract(time, 'minute')
    .add(1, 'second')
  return timer.format('HH:mm:ss')
}
export function reduceFormMinuteMS(timerStr, time = 0) {
  const timer = dayjs('2021-12-17' + ' ' + timerStr)
    .subtract(time, 'minute')
    .subtract(1, 'second')
  return timer.format('HH:mm:ss')
}