<template>
  <h1>Dynamic Components</h1>
  <p>App.vue switches between which component to show.</p>
  <button @click="toggleValue = !toggleValue">Switch component</button>
  <component :is="activeComp"></component>
</template>

<script>
  export default {
    data () {
      return {
        toggleValue: true
      }
    },
    computed: {
      activeComp() {
        if(this.toggleValue) {
          return 'comp-one'
        }
        else {
          return 'comp-two'
        }
      }
    }
  }
</script>

<style>
  #app {
    width: 350px;
    margin: 10px;
  }
  #app > div {
    border: solid black 2px;
    padding: 10px;
    margin-top: 10px;
  }
</style>                  

<template>
    <div>
        <h2>One!</h2>
        <p>This is component one.</p>
    </div>
</template>

<script></script>

<style scoped>
    div {
        background-color: lightgreen;
    }
</style>                  

<template>
    <div>
        <h2>Two!</h2>
        <p>This is component two.</p>
    </div>
</template>

<script></script>

<style scoped>
    div {
        background-color: lightpink;
    }
</style>                  

import { createApp } from 'vue'

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

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