API Reference / React InstantSearch Widgets / RangeInput
Apr. 24, 2019

RangeInput

Widget signature 
<RangeInput
  attribute={string}
  // Optional parameters
  defaultRefinement={object}
  min={number}
  max={number}
  precision={number}
  translations={object}
/>
See code examples
See Live example

About this widget

The RangeInput allows a user to select a numeric range using a minimum and maximum input.

Requirements

The attribute provided to the widget must be added in attributes for faceting, either on the dashboard or using attributesForFaceting with the API. The values inside the attribute must be numbers, not strings.

Examples

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import { RangeInput } from 'react-instantsearch-dom';

<RangeInput attribute="price" />

Props

attribute
type: string
Required

The name of the attribute in the record.
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<RangeInput attribute="price" />
defaultRefinement
type: object
Optional

The default state of the widget containing the min and/or the max of the range.
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<RangeInput
  // ...
  defaultRefinement={{ min: 10, max: 500 }}
/>
min
type: number
Optional

The minimum value for the input. When not provided, the minimum value is automatically computed by Algolia from the data in the index.
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<RangeInput
  // ...
  min={10}
/>
max
type: number
Optional

The maximum value for the input. When not provided, the maximum value is automatically computed by Algolia from the data in the index.
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<RangeInput
  // ...
  max={500}
/>
precision
type: number
default: 0
Optional

The number of digits after the decimal point to use.
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<RangeInput
  // ...
  precision={2}
/>
translations
type: object
Optional

A mapping of keys to translation values.

  • submit: the label of the submit button.
  • separator: the label of the separator.
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<RangeInput
  // ...
  translations={{
    submit: 'ok',
    separator: 'to',
  }}
/>

Customize the UI - connectRange

If you want to create your own UI of the RangeInput widget or use another UI library, you can use connectors.

Connectors are higher-order components. They encapsulate the logic for a specific kind of widget and they provide a way to interact with the InstantSearch context.

They have an outer component API that we call exposed props, and they provide some other props to the wrapped components which are called the provided props.

This connector is also used to build other widgets: RangeSlider RatingMenu

It’s a 3-step process:

// 1. Create a React component
const RangeInput = () => {
  // return the DOM output
};

// 2. Connect the component using the connector
const CustomRangeInput = connectRange(RangeInput);

// 3. Use your connected widget
<CustomRangeInput />

See code examples

Create a React component

const RangeInput = ({
  object currentRefinement,
  number min,
  number max,
  number precision,
  function refine,
  __function_ createURL,
}) => {
  // return the DOM output
};

Provided Props

currentRefinement
type: object

The currently applied refinement or the minimum/maximum value.
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const RangeInput = ({ currentRefinement }) => (
  <form>
    <input
      type="number"
      placeholder="Min"
      defaultValue={currentRefinement.min}
    />
    {' - '}
    <input
      type="number"
      placeholder="Max"
      defaultValue={currentRefinement.max}
    />
  </form>
);
min
type: number

The minimum available value.
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const RangeInput = ({ min }) => (
  <form>
    <input type="number" placeholder={min} />
  </form>
);
max
type: number

The maximum available value.
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const RangeInput = ({ max }) => (
  <form>
    <input type="number" placeholder={max} />
  </form>
);
precision
type: number

The number of digits after the decimal point to use.
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const RangeInput = ({ precision }) => (
  <form>
    <input type="number" step={1 / Math.pow(10, precision)} />
  </form>
);
refine
type: function

Selects a range.
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const RangeInput = ({ currentRefinement, refine }) => (
  <form>
    <input
      type="number"
      placeholder="Min"
      value={currentRefinement.min || ''}
      onChange={event =>
        refine({
          ...currentRefinement,
          min: event.currentTarget.value,
        })
      }
    />
    {' - '}
    <input
      type="number"
      placeholder="Max"
      value={currentRefinement.max || ''}
      onChange={event =>
        refine({
          ...currentRefinement,
          max: event.currentTarget.value,
        })
      }
    />
  </form>
);
createURL
type: function

Generates a URL for the corresponding search state.
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const RangeInput = ({ createURL }) => (
  <a href={createURL({ min: 10, max: 100 })}>10 - 100</a>
);

Create and instantiate your connected widget

const CustomRangeInput = connectRange(RangeInput);

<CustomRangeInput
  attribute={string}
  // Optional parameters
  defaultRefinement={object}
  min={number}
  max={number}
  precision={number}
/>

Exposed Props

attribute
type: string
Required

The name of the attribute in the record.
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<CustomRangeInput attribute="price" />
defaultRefinement
type: object
Optional

The default state of the widget containing the min and/or the max of the range.
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<CustomRangeInput
  // ...
  defaultRefinement={{ min: 10, max: 500 }}
/>
min
type: number
Optional

The minimum value for the input. When not provided, the minimum value is automatically computed by Algolia from the data in the index.
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<CustomRangeInput
  // ...
  min={10}
/>
max
type: number
Optional

The maximum value for the input. When not provided, the maximum value is automatically computed by Algolia from the data in the index.
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<CustomRangeInput
  // ...
  max={500}
/>
precision
type: number
default: 0
Optional

The number of digits after the decimal point to use.
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<CustomRangeInput
  // ...
  precision={2}
/>

Full example

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import { connectRange } from 'react-instantsearch-dom';

const RangeInput = ({ currentRefinement, min, max, precision, refine }) => (
  <form>
    <input
      type="number"
      min={min}
      max={max}
      step={1 / Math.pow(10, precision)}
      value={currentRefinement.min || ''}
      onChange={event =>
        refine({
          ...currentRefinement,
          min: event.currentTarget.value,
        })
      }
    />
    {' - '}
    <input
      type="number"
      min={min}
      max={max}
      step={1 / Math.pow(10, precision)}
      value={currentRefinement.max || ''}
      onChange={event =>
        refine({
          ...currentRefinement,
          max: event.currentTarget.value,
        })
      }
    />
  </form>
);

const CustomRangeInput = connectRange(RangeInput);

HTML output

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<div class="ais-RangeInput">
  <form class="ais-RangeInput-form">
    <label class="ais-RangeInput-label">
      <input
        class="ais-RangeInput-input ais-RangeInput-input--min"
        type="number"
        placeholder=""
        step="1"
      />
    </label>
    <span class="ais-RangeInput-separator">to</span>
    <label class="ais-RangeInput-label">
      <input
        class="ais-RangeInput-input ais-RangeInput-input--max"
        type="number"
        placeholder=""
        step="1"
      />
    </label>
    <button class="ais-RangeInput-submit" type="submit">ok</button>
  </form>
</div>

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