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UI libraries / Vue InstantSearch / Widgets

ais-hits

Signature 
<ais-hits
  // Optional parameters
  :escapeHTML="boolean"
  :class-names="object"
  :transform-items="function"
/>
Import
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import { AisHits } from 'vue-instantsearch';
// Use 'vue-instantsearch/vue3/es' for Vue 3

export default {
  components: {
    AisHits
  },
  // ...
};

1. Follow additional steps in Optimize build size to ensure your code is correctly bundled.
2. This imports all the widgets, even the ones you don’t use. Read the Getting started guide for more information.

See code examples
See live example

About this widget

Use the ais-hits widget to display a list of results.

To configure the number of hits to show, use the ais-hits-per-page widget or the ais-configure widget.

For guidance on how to search across more than one index, read the multi-index search guide.

If there are no hits, you should display a message to users and clear filters so they can start over.

Examples

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<ais-hits />

Props

escapeHTML
type: boolean
default: true
Optional

Whether to escape HTML entities from hits string values.
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<ais-hits :escapeHTML="false" />
class-names
type: object
default: {}
Optional

The CSS classes you can override:

  • ais-Hits: the widget’s root element.
  • ais-Hits-list: the list of results.
  • ais-Hits-item: the list of items.
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<ais-hits
  :class-names="{
    'ais-Hits': 'MyCustomHits',
    'ais-Hits-list': 'MyCustomHitsList',
    // ...
  }"
/>
transform-items
type: function
default: items => items
Optional

Receives the items and is called before displaying them. It returns a new array with the same “shape” as the original. This is helpful when transforming or reordering items. Don’t use transformItems to remove items since this will affect your pagination.

The entire results data is also available, including all regular response parameters and helper parameters (for example, disjunctiveFacetsRefinements).

If you’re transforming an attribute with the ais-highlight widget, you must transform item._highlightResult[attribute].value.

When using an array, take steps to avoid creating infinite loops. When you use an array as a prop, it causes the widget to re-register on every render, and this can sometimes cause these infinite loops.
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<template>
  <!-- ... -->
  <ais-hits :transform-items="transformItems" />
</template>

<script>
  export default {
    methods: {
      transformItems(items) {
        return items.map(item => ({
          ...item,
          name: item.name.toUpperCase(),
        }));
      },

      /* or, combined with results */
      transformItems(items, { results }) {
        return items.map((item, index) => ({
          ...item,
          position: { index, page: results.page },
        }));
      },
    },
  };
</script>

Customize the UI

default

The slot to override the complete DOM output of the widget.

When you implement this slot, none of the other slots will change the output, as the default slot surrounds them.

Scope

  • items: object[]: the records that matched the search.
  • sendEvent: (eventType, hit, eventName) => void: the function to send click or conversion events. The view event is automatically sent when this connector renders hits. Learn more about these events in the insights middleware documentation.
    • eventType: 'click' | 'conversion'
    • hit: Hit | Hit[]
    • eventName: string
  • insights: (method: string, payload: object) => void: (Deprecated) Sends Insights events.
    • method: string: the Insights method to be called. Only search-related methods are supported: 'clickedObjectIDsAfterSearch', 'convertedObjectIDsAfterSearch'.
    • payload: object: the payload to be sent.
      • eventName: string: the name of the event.
      • objectIDs: string[]: a list of objectIDs.
      • index?: string: the name of the index related to the click.
      • queryID?: string: the Algolia queryID found in the search response when clickAnalytics: true.
      • userToken?: string: a user identifier.
      • positions?: number[]: the position of the click in the list of Algolia search results. When not provided, index, queryID, and positions are inferred by the InstantSearch context and the passed objectIDs:
      • index by default is the name of index that returned the passed objectIDs.
      • queryID by default is the ID of the query that returned the passed objectIDs.
      • positions by default is the absolute positions of the passed objectIDs. It’s worth noting that each element of items has the following read-only properties:
    • __queryID: the query ID (only if clickAnalytics is set to true).
    • __position: the absolute position of the item.

    For more details on the constraints of each payload property, refer to the Insights client documentation.
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<ais-hits>
  <template v-slot="{ items, sendEvent }">
    <ul>
      <li v-for="item in items" :key="item.objectID">
        <h1>{{ item.name }}</h1>
        <button
          type="button"
          @click="sendEvent('click', item, 'Item Added')"
        >
          Add to cart
        </button>
      </li>
    </ul>
  </template>
</ais-hits>
item

The slot to override the DOM output of the item.

Scope

  • item: object: a single hit with all its attributes.
  • index: number: the relative position of the hit in the list.
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<ais-hits>
  <template v-slot:item="{ item, index }">
    {{ index }} - {{ item.name }}
  </template>
</ais-hits>

HTML output

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<div class="ais-Hits">
  <ol class="ais-Hits-list">
    <li class="ais-Hits-item">
      ...
    </li>
    <li class="ais-Hits-item">
      ...
    </li>
    <li class="ais-Hits-item">
      ...
    </li>
  </ol>
</div>

Click and conversion events

If the insights option is true, the ais-hits widget automatically sends a click event with the following “shape” to the Insights API whenever the end user clicks on a hit.

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{
  eventType: 'click',
  insightsMethod: 'clickedObjectIDsAfterSearch',
  payload: {
    eventName: 'Hit Clicked',
    // …
  },
  widgetType: 'ais.hits',
}

To customize this event, use the sendEvent function in your item slot and send a custom click event on the root element.

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<ais-hits>
  <template v-slot:item="{ item, sendEvent }">
    <div @click="sendEvent('click', item, 'Product Clicked')">
      <h2>
        <ais-highlight attribute="name" :hit="item" />
      </h2>
      <p>{{ item.description }}</p>
    </div>
  </template>
</ais-hits>
Guide Send click and conversion events with Vue InstantSearch
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Vue InstantSearch v4