element-plus/packages/test-utils/tick.ts

import { nextTick } from 'vue'

const tick = async (times: number) => {
  while (times--) {
    await nextTick()
  }
}

export default tick

// in order to test transitions, we need to use
// await rAF() after firing transition events.
export const rAF = async () => {
  return new Promise(res => {
    requestAnimationFrame(() => {
      requestAnimationFrame(async () => {
        res(null)
        await nextTick()
      })
    })
  })
}