28 lines
818 B
TypeScript
28 lines
818 B
TypeScript
import * as React from "react";
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import useEventListener from "./useEventListener";
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/**
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* Hook to detect clicks outside of a specified element.
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*
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* @param ref The React ref to the element.
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* @param callback The handler to call when a click outside the element is detected.
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*/
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export default function useOnClickOutside(
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ref: React.RefObject<HTMLElement | null>,
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callback?: (event: MouseEvent | TouchEvent) => void
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) {
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const listener = React.useCallback(
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(event: MouseEvent | TouchEvent) => {
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// Do nothing if clicking ref's element or descendent elements
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if (!ref.current || ref.current.contains(event.target as Node)) {
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return;
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}
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callback?.(event);
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},
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[ref, callback]
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);
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useEventListener("mousedown", listener);
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useEventListener("touchstart", listener);
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}
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