block14.ts

const r1 = reactive({ isReady: false })
const r2 = reactive({ x: 1 })

setTimeout(() => {
  r1.isReady = true
}, 1000)

setInterval(() => {
  r2.x++
}, 500)

watch(() => {
  if (!r1.isReady) return
  console.log(`r2.x: ${r2.x}`)
})