component-options.uvue

<template>
  <view class="page">
    <text class="mb-10">component lifecycle 选项式 API</text>
    <keep-alive>
      <component :is="aliveComponent" />
    </keep-alive>
    <button id="toggle-alive-component-btn" class="mt-10" @click="toggleAliveComponent">toggle alive component</button>
  </view>
</template>

<script lang='uts'>
import ChildComponent from './ChildComponentOptions.uvue'
import { state } from '@/store/index.uts'

export default {
  components: { ChildComponent },
  data(){
    return {
      aliveComponent: ChildComponent as any | null,
    }
  },
  methods: {
    // 自动化测试
    getLifeCycleNum(): number {
      return state.lifeCycleNum
    },
    toggleAliveComponent(){
      this.aliveComponent = this.aliveComponent == null ? ChildComponent : null
    }
  },
}
</script>