Creating dynamic child components in Vue.js version 2

Question

Creating dynamic child components in Vue.js version 2

I am currently developing a facet search system using VueJS. The concept is fairly straightforward:

Within a FilterGroup component lies the overarching filter logic. This component allows for several child components, such as AttributeXYZFilter, to provide conditions that the FilterGroup will use to filter through a set of items.

An example implementation of this system would resemble the following:

<template>
  <FilterGroup :items="items">
    <ABCFilter/>
    <XYZFilter/>
    <AnotherFilter/>
  </FilterGroup>
</template>

The issue at hand pertains to the rendering of the filter components by the FilterGroup in a specific layout. Furthermore, the FilterGroup should provide additional data to these filter components through props.

In order to prevent unnecessary dependencies, FilterGroup shouldn't be aware of which filters are being rendered. Each filter must adhere to a common specification/interface (implemented via mixins) and have its own unique UI template.

How can this architecture be effectively implemented?

Initially, I experimented with slots, but struggled to customize the rendering of child components. When no slot is utilized, this.$children remains empty, making it difficult to determine which filters to render.

One potential solution could involve passing the filters like so:

<template>
  <FilterGroup :items="items" :filters="['ABCFilter', 'XYZFilter']/>
</template>

In this scenario, FilterGroup could dynamically import and display the filter components while also transmitting additional data. However, I believe that this approach may result in a less intuitive and user-friendly API.

Is there an alternative method that would better suit this situation?

javascript vue.js vuejs2 vue-component

Answer 1

Answer №1

It seems like the best approach for your situation would be to utilize Dynamic Components. This feature allows you to dynamically render a component based on the provided data, such as in your case with filters.

You can specify which component to render using the :is="ComponentName" attribute and then pass down the necessary data using props:

<template>
    <div class="app-body row">
        <template v-for="(child, index) in children">
            <component :is="child.viewName" :key="child.name" :data="child.data"></component>
        </template>
    </div>
</template>

Answer 2

It seems like the best approach for your situation would be to utilize Dynamic Components. This feature allows you to dynamically render a component based on the provided data, such as in your case with filters.

You can specify which component to render using the :is="ComponentName" attribute and then pass down the necessary data using props:

<template>
    <div class="app-body row">
        <template v-for="(child, index) in children">
            <component :is="child.viewName" :key="child.name" :data="child.data"></component>
        </template>
    </div>
</template>

Answer 3

Answer №2

Are you looking for a solution using scoped slots? This approach allows you to customize the rendering of child components. CodePen

Vue.component('custom-group', {
  template: `
  <div class="custom-group">
    <slot :items="items">
    </slot>
  </div>
  `,
  data: function() {
    return {
      items: [5, 6, 7, 8, 9]
    }
  }
})

Vue.component('custom-a', {
  template: `
  <div class="custom-a">
    Custom A: {{ items }}
  </div>
  `,
  props: ['items']
})

Vue.component('custom-b', {
  template: `
  <div class="custom-b">
    Custom B: {{ items }}
  </div>
  `,
  props: ['items']
})

new Vue({
  el: '#app'
})

Answer 4

Are you looking for a solution using scoped slots? This approach allows you to customize the rendering of child components. CodePen

Vue.component('custom-group', {
  template: `
  <div class="custom-group">
    <slot :items="items">
    </slot>
  </div>
  `,
  data: function() {
    return {
      items: [5, 6, 7, 8, 9]
    }
  }
})

Vue.component('custom-a', {
  template: `
  <div class="custom-a">
    Custom A: {{ items }}
  </div>
  `,
  props: ['items']
})

Vue.component('custom-b', {
  template: `
  <div class="custom-b">
    Custom B: {{ items }}
  </div>
  `,
  props: ['items']
})

new Vue({
  el: '#app'
})

Creating dynamic child components in Vue.js version 2

Answer №1

Answer №2

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