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* docs(auto-complete): supplement `bordered` document * test: update snapshot * Update components/auto-complete/demo/borderless.tsx
88 lines
4.6 KiB
Markdown
88 lines
4.6 KiB
Markdown
---
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category: Components
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title: AutoComplete
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cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*g8THS4NpV6sAAAAAAAAAAAAADrJ8AQ/original
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coverDark: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*WERTQ6qvgEYAAAAAAAAAAAAADrJ8AQ/original
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group:
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title: Data Entry
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order: 4
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demo:
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cols: 2
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---
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Autocomplete function of input field.
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## When To Use
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- When you need an input box instead of a selector.
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- When you need input suggestions or helping text.
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The differences with Select are:
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- AutoComplete is an input box with text hints, and users can type freely. The keyword is aiding **input**.
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- Select is selecting among given choices. The keyword is **select**.
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## Examples
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<!-- prettier-ignore -->
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<code src="./demo/basic.tsx">Basic Usage</code>
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<code src="./demo/options.tsx">Customized</code>
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<code src="./demo/custom.tsx">Customize Input Component</code>
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<code src="./demo/non-case-sensitive.tsx">Non-case-sensitive AutoComplete</code>
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<code src="./demo/certain-category.tsx">Lookup-Patterns - Certain Category</code>
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<code src="./demo/uncertain-category.tsx">Lookup-Patterns - Uncertain Category</code>
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<code src="./demo/status.tsx">Status</code>
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<code src="./demo/borderless.tsx">Borderless</code>
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<code src="./demo/form-debug.tsx" debug>Debug in Form</code>
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<code src="./demo/render-panel.tsx" debug>_InternalPanelDoNotUseOrYouWillBeFired</code>
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## API
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| allowClear | Show clear button | boolean | false | |
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| autoFocus | If get focus when component mounted | boolean | false | |
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| backfill | If backfill selected item the input when using keyboard | boolean | false | |
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| bordered | Whether has border style | boolean | true | |
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| children (for customize input element) | Customize input element | HTMLInputElement \| HTMLTextAreaElement \| React.ReactElement<InputProps> | <Input /> | |
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| children (for dataSource) | Data source to auto complete | React.ReactElement<OptionProps> \| Array<React.ReactElement<OptionProps>> | - | |
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| defaultActiveFirstOption | Whether active first option by default | boolean | true | |
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| defaultOpen | Initial open state of dropdown | boolean | - | |
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| defaultValue | Initial selected option | string | - | |
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| disabled | Whether disabled select | boolean | false | |
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| popupClassName | The className of dropdown menu | string | - | 4.23.0 |
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| dropdownMatchSelectWidth | Determine whether the dropdown menu and the select input are the same width. Default set `min-width` same as input. Will ignore when value less than select width. `false` will disable virtual scroll | boolean \| number | true | |
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| filterOption | If true, filter options by input, if function, filter options against it. The function will receive two arguments, `inputValue` and `option`, if the function returns true, the option will be included in the filtered set; Otherwise, it will be excluded | boolean \| function(inputValue, option) | true | |
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| notFoundContent | Specify content to show when no result matches | string | `Not Found` | |
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| open | Controlled open state of dropdown | boolean | - | |
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| options | Select options. Will get better perf than jsx definition | { label, value }\[] | - | |
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| placeholder | The placeholder of input | string | - | |
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| status | Set validation status | 'error' \| 'warning' | - | 4.19.0 |
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| value | Selected option | string | - | |
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| onBlur | Called when leaving the component | function() | - | |
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| onChange | Called when selecting an option or changing an input value | function(value) | - | |
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| onDropdownVisibleChange | Call when dropdown open | function(open) | - | |
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| onFocus | Called when entering the component | function() | - | |
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| onSearch | Called when searching items | function(value) | - | |
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| onSelect | Called when a option is selected. param is option's value and option instance | function(value, option) | - | |
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| onClear | Called when clear | function | - | 4.6.0 |
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## Methods
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| Name | Description | Version |
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| ------- | ------------ | ------- |
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| blur() | Remove focus | |
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| focus() | Get focus | |
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## Design Token
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<ComponentTokenTable component="Select"></ComponentTokenTable>
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## FAQ
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### Why doesn't the text composition system work well with onSearch in controlled mode?
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Please use `onChange` to manage control state. `onSearch` is used for searching input which is not the same as `onChange`. Besides, clicking on the option will not trigger the `onSearch` event.
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Related issue: [#18230](https://github.com/ant-design/ant-design/issues/18230) [#17916](https://github.com/ant-design/ant-design/issues/17916)
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