murongg / vue-reconstruct Goto Github PK

let obj = reactive({}) 
obj =  reactive({a: 1}) 

watch(obj , (newVal, oldVal) => {
  // do nothing...
})

let obj = ref({})
obj.value =  {a: 1}

watch(obj , (newVal, oldVal) => {
  // changing
})

let state = reactive({
  obj1: {}
  obj2: {}
})
state.obj1 = {a: 1}
// You won't be able to use `watch`
// Because this will monitor to entire object
// Cause unnecessary trouble when you change object
watch(state , (newVal, oldVal) => {
  // changing
})