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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 6x 6x 6x 6x 6x 6x 6x 2x 2x 6x 6x 6x 6x 6x 6x 2x 2x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x | import { useCallback, type FocusEventHandler } from 'react';
import { useBoolState } from '../use-bool-state/useBoolState';
export type FocusEventHandlers<TElement extends HTMLElement> = {
onFocus: FocusEventHandler<TElement>;
onBlur: FocusEventHandler<TElement>;
};
export type UseFocusValue<TElement extends HTMLElement> = [state: boolean, eventHandlers: FocusEventHandlers<TElement>];
export const useFocus = <TElement extends HTMLElement>({
onFocus,
onBlur,
}: Partial<FocusEventHandlers<TElement>> = {}): UseFocusValue<TElement> => {
const { isFocused, setFocusedTrue, setFocusedFalse } = useBoolState(false, 'focused');
const onFocusProxy: FocusEventHandler<TElement> = useCallback(
(event) => {
setFocusedTrue();
onFocus?.(event);
},
[setFocusedTrue, onFocus],
);
const onBlurProxy: FocusEventHandler<TElement> = useCallback(
(event) => {
setFocusedFalse();
onBlur?.(event);
},
[setFocusedFalse, onBlur],
);
return [
isFocused,
{
onFocus: onFocusProxy,
onBlur: onBlurProxy,
},
];
};
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