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React Autocomplete

Accessible, extensible, Autocomplete for React.js.

<Autocomplete
  getItemValue={(item) => item.label}
  items={[
    { label: 'apple' },
    { label: 'banana' },
    { label: 'pear' }
  ]}
  renderItem={(item, isHighlighted) =>
    <div style={{ background: isHighlighted ? 'lightgray' : 'white' }}>
      {item.label}
    </div>
  }
  value={value}
  onChange={(e) => value = e.target.value}
  onSelect={(val) => value = val}
/>

Check out more examples and get stuck right in with the online editor.

Install

npm

npm install --save react-autocomplete

yarn

yarn add react-autocomplete

AMD/UMD

Development: https://unpkg.com/react-autocomplete@1.8.1/dist/react-autocomplete.js
Production: https://unpkg.com/react-autocomplete@1.8.1/dist/react-autocomplete.min.js

API

Props

`getItemValue: Function`

Arguments: item: Any

Used to read the display value from each entry in items.

`items: Array`

The items to display in the dropdown menu

`renderItem: Function`

Arguments: item: Any, isHighlighted: Boolean, styles: Object

Invoked for each entry in items that also passes shouldItemRender to generate the render tree for each item in the dropdown menu. styles is an optional set of styles that can be applied to improve the look/feel of the items in the dropdown menu.

`autoHighlight: Boolean` (optional)

Default value: true

Whether or not to automatically highlight the top match in the dropdown menu.

`inputProps: Object` (optional)

Default value: {}

Props passed to props.renderInput. By default these props will be applied to the <input /> element rendered by Autocomplete, unless you have specified a custom value for props.renderInput. Any properties supported by HTMLInputElement can be specified, apart from the following which are set by Autocomplete: value, autoComplete, role, aria-autocomplete. inputProps is commonly used for (but not limited to) placeholder, event handlers (onFocus, onBlur, etc.), autoFocus, etc..

`isItemSelectable: Function` (optional)

Default value: function() { return true }

Arguments: item: Any

Invoked when attempting to select an item. The return value is used to determine whether the item should be selectable or not. By default all items are selectable.

`menuStyle: Object` (optional)

Default value:

{
  borderRadius: '3px',
  boxShadow: '0 2px 12px rgba(0, 0, 0, 0.1)',
  background: 'rgba(255, 255, 255, 0.9)',
  padding: '2px 0',
  fontSize: '90%',
  position: 'fixed',
  overflow: 'auto',
  maxHeight: '50%', // TODO: don't cheat, let it flow to the bottom
}

Styles that are applied to the dropdown menu in the default renderMenu implementation. If you override renderMenu and you want to use menuStyle you must manually apply them (this.props.menuStyle).

`onChange: Function` (optional)

Default value: function() {}

Arguments: event: Event, value: String

Invoked every time the user changes the input's value.

`onMenuVisibilityChange: Function` (optional)

Default value: function() {}

Arguments: isOpen: Boolean

Invoked every time the dropdown menu's visibility changes (i.e. every time it is displayed/hidden).

`onSelect: Function` (optional)

Default value: function() {}

Arguments: value: String, item: Any

Invoked when the user selects an item from the dropdown menu.

`open: Boolean` (optional)

Used to override the internal logic which displays/hides the dropdown menu. This is useful if you want to force a certain state based on your UX/business logic. Use it together with onMenuVisibilityChange for fine-grained control over the dropdown menu dynamics.

`renderInput: Function` (optional)

Default value:

function(props) {
  return <input {...props} />
}

Arguments: props: Object

Invoked to generate the input element. The props argument is the result of merging props.inputProps with a selection of props that are required both for functionality and accessibility. At the very least you need to apply props.ref and all props.on<event> event handlers. Failing to do this will cause Autocomplete to behave unexpectedly.

`renderMenu: Function` (optional)

Default value:

function(items, value, style) {
  return <div style={{ ...style, ...this.menuStyle }} children={items}/>
}

Arguments: items: Array<Any>, value: String, styles: Object

Invoked to generate the render tree for the dropdown menu. Ensure the returned tree includes every entry in items or else the highlight order and keyboard navigation logic will break. styles will contain { top, left, minWidth } which are the coordinates of the top-left corner and the width of the dropdown menu.

`selectOnBlur: Boolean` (optional)

Default value: false

Whether or not to automatically select the highlighted item when the <input> loses focus.

`shouldItemRender: Function` (optional)

Arguments: item: Any, value: String

Invoked for each entry in items and its return value is used to determine whether or not it should be displayed in the dropdown menu. By default all items are always rendered.

`sortItems: Function` (optional)

Arguments: itemA: Any, itemB: Any, value: String

The function which is used to sort items before display.

`value: Any` (optional)

Default value: ''

The value to display in the input field

`wrapperProps: Object` (optional)

Default value: {}

Props that are applied to the element which wraps the <input /> and dropdown menu elements rendered by Autocomplete.

`wrapperStyle: Object` (optional)

Default value:

{
  display: 'inline-block'
}

This is a shorthand for wrapperProps={{ style: <your styles> }}. Note that wrapperStyle is applied before wrapperProps, so the latter will win if it contains a style entry.

Imperative API

In addition to the props there is an API available on the mounted element which is similar to that of HTMLInputElement. In other words: you can access most of the common <input> methods directly on an Autocomplete instance. An example:

class MyComponent extends Component {
  componentDidMount() {
    // Focus the input and select "world"
    this.input.focus()
    this.input.setSelectionRange(6, 11)
  }
  render() {
    return (
      <Autocomplete
        ref={el => this.input = el}
        value="hello world"
        ...
      />
    )
  }
}

Development

You can start a local development environment with npm start. This command starts a static file server on localhost:8080 which serves the examples in examples/. Hot-reload mechanisms are in place which means you don't have to refresh the page or restart the build for changes to take effect.

Tests!

Run them: npm test

Write them: lib/__tests__/Autocomplete-test.js

Check your work: npm run coverage

Scripts

Run with npm run <script>.

gh-pages

Builds the examples and assembles a commit which is pushed to origin/gh-pages, then cleans up your working directory. Note: This script will git checkout master before building.

release

build

Runs the build scripts detailed below.

build:component

Transpiles the source in lib/ and outputs it to build/, as well as creating a UMD bundle in dist/.

build:examples

Creates bundles for each of the examples, which is used for pushing to origin/gh-pages.

test

Runs the test scripts detailed below.

test:lint

Runs eslint on the source.

test:jest

Runs the unit tests with jest.

coverage

Runs the unit tests and creates a code coverage report.

start

Builds all the examples and starts a static file server on localhost:8080. Any changes made to lib/Autocomplete.js and the examples are automatically compiled and transmitted to the browser, i.e. there's no need to refresh the page or restart the build during development. This script is the perfect companion when making changes to this repo, since you can use the examples as a test-bed for development.

React Autocomplete

Install

npm

yarn

AMD/UMD

API

Props

getItemValue: Function

items: Array

renderItem: Function

autoHighlight: Boolean (optional)

inputProps: Object (optional)

isItemSelectable: Function (optional)

menuStyle: Object (optional)

onChange: Function (optional)

onMenuVisibilityChange: Function (optional)

onSelect: Function (optional)

open: Boolean (optional)

renderInput: Function (optional)

renderMenu: Function (optional)

selectOnBlur: Boolean (optional)

shouldItemRender: Function (optional)

sortItems: Function (optional)

value: Any (optional)

wrapperProps: Object (optional)

wrapperStyle: Object (optional)

Imperative API

Development

Tests!

Scripts

gh-pages

release

build

build:component

build:examples

test

test:lint

test:jest

coverage

start

`getItemValue: Function`

`items: Array`

`renderItem: Function`

`autoHighlight: Boolean` (optional)

`inputProps: Object` (optional)

`isItemSelectable: Function` (optional)

`menuStyle: Object` (optional)

`onChange: Function` (optional)

`onMenuVisibilityChange: Function` (optional)

`onSelect: Function` (optional)

`open: Boolean` (optional)

`renderInput: Function` (optional)

`renderMenu: Function` (optional)

`selectOnBlur: Boolean` (optional)

`shouldItemRender: Function` (optional)

`sortItems: Function` (optional)

`value: Any` (optional)

`wrapperProps: Object` (optional)

`wrapperStyle: Object` (optional)

License

reactjs/react-autocomplete

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