<template>
  <h1>The 'deactivated' Lifecycle Hook</h1>
  <p>Using the 'deactivated' hook to log when the 'deactivated' hook is called.</p>
  <button @click="this.activeComp = !this.activeComp">Include component</button>
  <div>
    <KeepAlive>
      <comp-one v-if="activeComp"></comp-one>
    </KeepAlive>
  </div>
</template>

<script>
export default {
  data() {
    return {
      activeComp: false
    }
  }
}
</script>

<style scoped>
  div {
    border: dashed black 1px;
    border-radius: 10px;
    padding: 20px;
    margin-top: 10px;
    background-color: lightgreen;
  }
</style>                  

<template>
  <h2>Component</h2>
  <p>Below is a log with every time the 'deactivated' hook runs.</p>
  <ol>
    <li v-for="x in hookLog">{{ x }}</li>
  </ol>
  <p>You can also see when the 'deactivated' hook runs in the console.</p>
</template>
  
<script>
export default {
  data() {
    return {
      hookLog: []
    }
  },
  deactivated() {
    console.log("deactivated")
    this.hookLog.push("deactivated");
  }
}
</script>

<style>
  li {
    background-color: lightcoral;
    width: 5em;
  }
</style>                  

import { createApp } from 'vue'

import App from './App.vue'
import CompOne from './components/CompOne.vue'

const app = createApp(App)
app.component('comp-one', CompOne)
app.mount('#app')