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46 lines
1.2 KiB
Markdown
46 lines
1.2 KiB
Markdown
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---
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category: Components
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title: Util
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cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*rRDlT7ST8DUAAAAAAAAAAAAADrJ8AQ/original
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coverDark: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*rRDlT7ST8DUAAAAAAAAAAAAADrJ8AQ/original
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demo:
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cols: 2
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group:
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title: Other
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order: 99
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---
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Utilities are used to assist development and provide some common utility methods.
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## GetRef
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Get the `ref` property definition of the component, which is very useful for components that are not directly exposed or child components.
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```tsx
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import type { GetRef, Select } from 'antd';
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type SelectRefType = GetRef<typeof Select>; // BaseSelectRef
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```
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## GetProps
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Get the `props` property definition of the component:
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```tsx
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import type { Checkbox, GetProps } from 'antd';
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type CheckboxGroupType = GetProps<typeof Checkbox.Group>;
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```
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## GetProp
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Get the single `props` property definition of the component. It has encapsulated `NonNullable`, so you don't have to worry about being empty:
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```tsx
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import type { GetProp, Select, SelectProps } from 'antd';
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// Both of this can work
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type SelectOptionType1 = GetProp<SelectProps, 'options'>[number];
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type SelectOptionType2 = GetProp<typeof Select, 'options'>[number];
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```
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