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On . By CodimTh
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When a component returns a single root node, non-prop attributes will automatically be added to the root node's attributes. For example, in the instance of a date-picker component:

app.component('date-picker', {
  template: `
    <div class="date-picker">
      <input type="datetime" />
    </div>
  `
})

 

In the event we need to define the status of the date-picker component via a data-status property, it will be applied to the root node (i.e., div.date-picker).

<!-- Date-picker component with a non-prop attribute -->
<date-picker data-status="activated"></date-picker>

<!-- Rendered date-picker component -->
<div class="date-picker" data-status="activated">
  <input type="datetime" />
</div>

 

Disabling Attribute Inheritance

If you do not want a component to automatically inherit attributes, you can set inheritAttrs: false in the component's options.

The common scenario for disabling an attribute inheritance is when attributes need to be applied to other elements besides the root node.

By setting the inheritAttrs option to false, you can control to apply to other elements attributes to use the component's $attrs property, which includes all attributes not included to component props and emits properties (e.g., classstylev-on listeners, etc.).

Using our date-picker component example from the previous section, in the event we need to apply all non-prop attributes to the input element rather than the root div element, this can be accomplished by using the v-bind shortcut.

app.component('date-picker', {
  inheritAttrs: false,
  template: `
    <div class="date-picker">
      <input type="datetime" v-bind="$attrs" />
    </div>
  `
})

 

With this new configuration, our data-status attribute will be applied to our input element!

<!-- Date-picker component with a non-prop attribute -->
<date-picker data-status="activated"></date-picker>

<!-- Rendered date-picker component -->
<div class="date-picker">
  <input type="datetime" data-status="activated" />
</div>

Riadh Rahmi

Senior Web Developer (Drupal & Laravel)

I am a senior web developer, I have experience in planning and developing large scale dynamic web applications especially in Drupal and Laravel.

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