vue3+ts withDefaults的使用

<template>
  <div>title: {{ title }}</div>
  <div>list: {{ list }}</div>
</template>

<script lang="ts" setup>
import { ref } from "vue";
withDefaults(
  defineProps<{
    title: string;
    list: number[];
  }>(),
  {
    list: () => [4, 87, 3],
  }
);
</script>

<style scoped></style>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19