// refer: https://github.com/antfu/plum-demo/blob/main/src/App.vue
function frame() {
  const tasks: Function[] = []
  pendingTasks = pendingTasks.filter((i) => {
    if (Math.random() > 0.4) {
      tasks.push(i)
      return false
    }
    return true
  })
  tasks.forEach(fn => fn())
}

let framesCount = 0
function startFrame() {
  requestAnimationFrame(() => {
    framesCount += 1
    if (framesCount % 3 === 0)
      frame()
    startFrame()
  })
}

startFrame()