API Reference / Vue InstantSearch Widgets / ais-voice-search

ais-voice-search

Widget signature 
<ais-voice-search
  // Optional parameters
  :search-as-you-speak="boolean"
  :button-title="string"
  :disabled-button-title="string"
  :class-names="object"
/>
See code examples
See Live example

About this widget

The ais-voice-search widget lets the user perform a voice-based query.

It uses the Web Speech API, which only Chrome (from version 25) has implemented so far. This means the voiceSearch widget only works on desktop Chrome and Android Chrome. It doesn’t work on iOS Chrome, which uses the iOS WebKit.

Examples

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<ais-voice-search />

Props

search-as-you-speak
type: boolean
default: false
Optional

Whether or not to trigger the search as you speak. If false, search is triggered only after speech is finished. If true, search is triggered whenever the engine delivers an interim transcript.
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<ais-voice-search search-as-you-speak />
button-title
type: string
default: 'Search by voice'
Optional

The title attribute on the button
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<ais-voice-search button-title="Voice Search" />
disabled-button-title
type: string
default: 'Search by voice (not supported on this browser)'
Optional

The title attribute on the button when it’s disabled on unsupported browsers
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<ais-voice-search disabled-button-title="Voice Search Disabled" />
class-names
type: object
default: {}
Optional

The CSS classes to override.

  • ais-VoiceSearch: the root element of the widget.
  • ais-VoiceSearch-button: the button element.
  • ais-VoiceSearch-status: the status element.
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<ais-voice-search
  :class-names="{
    'ais-VoiceSearch': 'MyVoiceSearch',
    'ais-VoiceSearch-button': 'MyVoiceSearchButton',
    'ais-VoiceSearch-status': 'MyVoiceSearchStatus'
  }"
/>

Customize the UI

default

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

Scope

  • isBrowserSupported: boolean: true if user’s browser supports voice search.
  • isListening: boolean: true if listening to user’s speech.
  • toggleListening: () => void: Starts listening to user’s speech, or stops it if already listening.
  • voiceListeningState: object: An object containing the following states regarding speech recognition:
    • status: string: current status (initial|askingPermission|waiting|recognizing|finished|error).
    • transcript: string: currently recognized transcript.
    • isSpeechFinal: boolean: true if speech recognition is finished.
    • errorCode: string|undefined: an error code (if any). Refer to the spec for more information.
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<ais-voice-search>
  <template slot-scope="{
      isBrowserSupported,
      isListening,
      toggleListening,
      voiceListeningState,
  }">
    <button @click="toggleListening">click</button>
    <p>isListening: {{ isListening ? 'true' : 'false' }}</p>
    <p>isBrowserSupported: {{ isBrowserSupported ? 'true' : 'false' }}</p>
    <pre>voiceListeningState: {{
      JSON.stringify(voiceListeningState, null, 2)
    }}</pre>
  </template>
</ais-voice-search>
buttonText

The slot to override the DOM output inside the button.

Scope

  • isListening: boolean: true if listening to user’s speech.
  • isBrowserSupported: boolean: true if user’s browser supports voice search.
  • status: string: current status (initial|askingPermission|waiting|recognizing|finished|error).
  • errorCode: string|undefined: an error code (if any). Refer to the spec for more information.
  • transcript: string: currently recognized transcript.
  • isSpeechFinal: boolean: true if speech recognition is finished.
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<ais-voice-search>
  <template slot="buttonText" slot-scope="{ isListening }">
    {{ isListening ? 'Stop' : 'Start' }}
  </template>
</ais-voice-search>
status

The slot to override the DOM output of the status.

Scope

  • isListening: boolean: true if listening to user’s speech.
  • isBrowserSupported: boolean: true if user’s browser supports voice search.
  • status: string: current status (initial|askingPermission|waiting|recognizing|finished|error).
  • errorCode: string|undefined: an error code (if any). Refer to the spec for more information.
  • transcript: string: currently recognized transcript.
  • isSpeechFinal: boolean: true if speech recognition is finished.
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<ais-voice-search>
  <template slot="status" slot-scope="{ status, transcript }">
    <p v-if="status == 'initial'">
      Press the button to start speaking.
    </p>
    <p v-else>
      Searching for {{transcript}}
    </p>
  </template>
</ais-voice-search>

HTML output

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<div class="ais-VoiceSearch">
  <button class="ais-VoiceSearch-button" type="button" title="Search by voice">
    ...
  </button>
  <div class="ais-VoiceSearch-status">
    ...
  </div>
</div>

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