アプリケーションの保守性を向上させるための Vue 3 の動的コンポーネント読み込みテクニック

<template>
  <div>
    <button @click="showComponent1 = !showComponent1">Toggle Component 1</button>
    <button @click="showComponent2 = !showComponent2">Toggle Component 2</button>
    <div v-if="showComponent1">
      <Component1 />
    </div>
    <div v-if="showComponent2">
      <Component2 />
    </div>
  </div>
</template>

<script>
import Component1 from './Component1.vue';
import Component2 from './Component2.vue';

export default {
  components: {
    Component1,
    Component2
  },
  data() {
    return {
      showComponent1: false,
      showComponent2: false
    };
  }
};
</script>

<template>
  <div>
    <button @click="currentComponent = 'Component1'">Load Component 1</button>
    <button @click="currentComponent = 'Component2'">Load Component 2</button>
    <component :is="currentComponent" />
  </div>
</template>

<script>
import Component1 from './Component1.vue';
import Component2 from './Component2.vue';

export default {
  components: {
    Component1,
    Component2
  },
  data() {
    return {
      currentComponent: null
    };
  }
};
</script>

<template>
  <div>
    <button @click="loadComponent1">Load Component 1</button>
    <button @click="loadComponent2">Load Component 2</button>
    <component :is="currentComponent" v-if="currentComponent" />
  </div>
</template>

<script>
export default {
  data() {
    return {
      currentComponent: null
    };
  },
  methods: {
    loadComponent1() {
      import('./Component1.vue').then(component => {
        this.currentComponent = component.default;
      });
    },
    loadComponent2() {
      import('./Component2.vue').then(component => {
        this.currentComponent = component.default;
      });
    }
  }
};
</script>