Vue3响应式provide、inject传值

const chat = ref(null)
const updateChat = (item) => {
    console.log("重新拿到的值", item)
    chat.value = item
}
provide('chat', chat)
provide('updateChat', updateChat)

const updateChat = inject('updateChat')
updateChat("修改后的值")

const chat = inject('chat')
watch(() => chat, () => {
    console.log("inject", chat)
}, { deep: true })