react-day-picker
Version:
Customizable Date Picker for React
19 lines • 724 B
JavaScript
import { useState } from "react";
/**
* A helper hook for handling controlled and uncontrolled values in a
* component's props.
*
* If the value is uncontrolled, pass `undefined` as `controlledValue` and use
* the returned setter to update it.
*
* If the value is controlled, pass the controlled value as the second argument,
* which will always be returned as `value`.
*
* @template T - The type of the value.
*/
export function useControlledValue(defaultValue, controlledValue) {
const [uncontrolledValue, setValue] = useState(defaultValue);
const value = controlledValue === undefined ? uncontrolledValue : controlledValue;
return [value, setValue];
}
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