v-for-composition.uvue

<template>
  <!-- #ifdef APP -->
  <scroll-view style="flex: 1">
    <!-- #endif -->
    <view class="page">
      <text class="bold mb-10">v-for number</text>
      <view class="mb-10" v-for="item in 3" :key="item">
        <text :id="`number-${item}`">{{ item }}</text>
      </view>

      <view class="bold mb-10">v-for object</view>
      <view
        v-for="(value, key) in object"
        :key="key"
        class="mb-10 flex justify-between flex-row">
        <text :id="key">{{ key }}</text>
        <text :id="value">{{ value }}</text>
      </view>

      <view class="bold mb-10">v-for & v-if list items</view>
      <view
        id="v-for-v-if-list-items"
        v-for="item in listItems"
        :key="item.name">
        <template v-if="item.show">
          <view class="mb-10 flex justify-between flex-row">
            <text :id="item.name">{{ item.name }}</text>
            <text @click="item.count++" :id="`v-if-${item.name}-count`">{{
              item.count
            }}</text>
          </view>
          <template v-for="child in item.items">
            <view
              v-if="child.show"
              :key="child.name"
              class="mb-10 flex justify-between flex-row">
              <text :id="child.name">{{ child.name }}</text>
              <text @click="child.count++" :id="`v-if-${child.name}-count`">{{
                child.count
              }}</text>
            </view>
          </template>
        </template>
      </view>

      <view class="bold mb-10">v-for & v-show list items</view>
      <view
        id="v-for-v-if-list-items"
        v-for="item in listItems"
        :key="item.name"
        v-show="item.show">
        <view class="mb-10 flex justify-between flex-row">
          <text :id="item.name">{{ item.name }}</text>
          <text @click="item.count++" :id="`v-show-${item.name}-count`">{{
            item.count
          }}</text>
        </view>
        <view
          v-for="child in item.items"
          v-show="child.show"
          :key="child.name"
          class="mb-10 flex justify-between flex-row">
          <text :id="child.name">{{ child.name }}</text>
          <text @click="child.count++" :id="`v-show-${child.name}-count`">{{
            child.count
          }}</text>
        </view>
      </view>

      <view
        class="mb-10 flex justify-between flex-row"
        v-for="item in mapList"
        :key="item[0]">
        <text>{{ item[0] }}</text>
        <text :id="item[0]">{{ item[1] }}</text>
      </view>

      <view class="mb-10" v-for="(item, index) in setList" :key="index">
        <text :id="`set-value-${index + 1}`">{{ item }}</text>
      </view>
    </view>
    <!-- #ifdef APP -->
  </scroll-view>
  <!-- #endif -->
</template>

<script setup lang="uts">
type VForObject = {
  key1 : string
  key2 : string
  key3 : string
}

type ListItem = {
  name: string
  count : number
  show: boolean
  items?: ListItem[]
}


const object = reactive({ key1: 'value1', key2: 'value2', key3: 'value3' } as VForObject)
const listItems = ref([
  { name: '1',
    count: 0,
    show: true,
    items:[
      { name: '1-1', count: 0, show: false },
      { name: '1-2', count: 0, show: true },
    ]
  },
  { name: '2',
    count: 0,
    show: true,
    items:[
      { name: '2-1', count: 0, show: true },
      { name: '2-2', count: 0, show: false },
    ]
  },
  { name: '3',
    count: 0,
    show: false,
    items:[
      { name: '3-1', count: 0, show: true },
      { name: '3-2', count: 0, show: true },
    ]
  },
] as ListItem[])

const mapList = new Map<string, string>([
  ['map-key-1', 'map value 1'],
  ['map-key-2', 'map value 2'],
  ['map-key-3', 'map value 3'],
])

const setList = new Set<string>(['set value 1', 'set value 2', 'set value 3'])
</script>