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useItemVisibility.ts
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useItemVisibility.ts
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import { HTMLAttributes, useCallback } from "react";
import { useRefCache } from "@react-md/utils";
import useVisibility, { FocusType, VisibilityOptions } from "./useVisibility";
export interface ItemVisibilityOptions extends VisibilityOptions {
horizontal?: boolean;
onClick?: React.MouseEventHandler<HTMLLIElement>;
onKeyDown?: React.KeyboardEventHandler<HTMLLIElement>;
}
interface ReturnValue
extends Pick<HTMLAttributes<HTMLLIElement>, "onClick" | "onKeyDown"> {
visible: boolean;
defaultFocus: FocusType;
hide: () => void;
}
export default function useItemVisibility({
horizontal = false,
onClick: propOnClick,
onKeyDown: propOnKeyDown,
defaultVisible,
defaultFocus: propDefaultFocus,
onVisibilityChange,
}: ItemVisibilityOptions = {}): ReturnValue {
const cache = useRefCache({
horizontal,
onClick: propOnClick,
onKeyDown: propOnKeyDown,
});
const { visible, defaultFocus, hide, showWithFocus, toggle } = useVisibility({
defaultVisible,
defaultFocus: propDefaultFocus,
onVisibilityChange,
});
const onClick = useCallback(
(event: React.MouseEvent<HTMLLIElement>) => {
const { onClick } = cache.current;
if (onClick) {
onClick(event);
}
toggle();
},
// disabled since useRefCache
// eslint-disable-next-line react-hooks/exhaustive-deps
[toggle]
);
const onKeyDown = useCallback(
(event: React.KeyboardEvent<HTMLLIElement>) => {
const { onKeyDown, horizontal } = cache.current;
if (onKeyDown) {
onKeyDown(event);
}
const firstKey = horizontal ? "ArrowDown" : "ArrowRight";
const lastKey = horizontal ? "ArrowUp" : "ArrowLeft";
if (event.key !== firstKey && event.key !== lastKey) {
return;
}
// don't want to trigger default behavior of screen scrolling
event.preventDefault();
// don't want parent menus to be effected by this as well.
event.stopPropagation();
showWithFocus(event.key === firstKey ? "first" : "last");
},
// disabled since useRefCache
// eslint-disable-next-line react-hooks/exhaustive-deps
[showWithFocus]
);
return {
visible,
defaultFocus,
hide,
onClick,
onKeyDown,
};
}