Dynamic Components in Vue

Dynamic components in Vue.js allow us to switch between different components dynamically at runtime based on certain conditions or user interactions.

This is useful when we have multiple components that serve similar purposes but need to be swapped out depending on the application's state.

Ways to Create Dynamic Components

Using the `v-bind:is`:

Vue.js provides a built-in element that allows us to render different components based on a data property dynamically.

Example:

<template>
  <button @click="changeComponent">Change Component</button>
  <component :is="selectedComponent"></component>
</template>

<script>
import LikesComponent from './Likes.vue';
import CommentsComponent from './Comments.vue';

export default {
  data() {
    return {
      selectedComponent: 'LikesComponent'
    };
  },
  components: {
    LikesComponent,
    CommentsComponent
  },
  methods: {
    changeComponent() {
      this.selectedComponent = (this.selectedComponent === 'LikesComponent') ? 'CommentsComponent' : 'LikesComponent';
    }
  }
};
</script>

Note: "selectedComponent" determines which component is rendered dynamically. Changing the value of "selectedComponent" will cause Vue.js to switch between "LikesComponent" and "CommentsComponent" dynamically.

Using v-if or v-show:

Example:

<template>
  <div>
    <button @click="changeComponent" > Change Component Using v-if </button>
    <LikesComponent v-if="showLikesComponent" />
    <CommentsComponent v-if="showCommentsComponent" />
  </div>
</template>

<script>
import LikesComponent from './Likes.vue';
import CommentsComponent from './Comments.vue';

export default {
  data() {
    return {
      showLikesComponent: true,
      showCommentsComponent: false
    };
  },
  components: {
    LikesComponent,
    CommentsComponent
  },
  methods: {
    changeComponent() {
      this.showLikesComponent = this.showLikesComponent === true ? false : true;
      this.showCommentsComponent = this.showCommentsComponent === true ? false : true;
    }
  }
};
</script>

We can also use v-if or v-show directives to conditionally render components based on certain conditions.

"showCommentsComponent" and "showCommentsComponent" property values determine whether "LikesComponent" or "CommentsComponent" will rendered based on their "boolean" values.

Example:

<template>
  <component :is="selectedTab"></component>
</template>

<script>
import LikesTabComponent from './Likes.vue';
import CommentsTabComponent from './Comments.vue';

export default {
  data() {
    return {
      selectedTab: 'LikesTabComponent'
    };
  },
  components: {
    LikesTabComponent,
    CommentsTabComponent
  }
};
</script>

Tabs or Navigation with v-bind:is:

We can also use Dynamic components for implementing tabs or navigation where different views need to be displayed based on user interaction with "v-bind:is" to achieve the same effect as using the element.

Note: "selectedTab" determines which component Tab content will be rendered.

These are some common ways to implement dynamic components in Vue.js.

Depending on our specific use case and requirements, we can choose the method that best fits our needs.

Dynamic components are particularly useful for building dynamic user interfaces where components need to be swapped or changed based on user interactions or application state.

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