20 lines
529 B
TypeScript
20 lines
529 B
TypeScript
import { useCallback, useEffect, useState } from "react";
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export function useWindowFocus() {
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const [focused, setFocused] = useState(true);
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const onFocus = useCallback(() => setFocused(true), []);
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const onBlur = useCallback(() => setFocused(false), []);
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useEffect(() => {
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window.addEventListener("focus", onFocus);
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window.addEventListener("blur", onBlur);
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return () => {
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window.removeEventListener("focus", onFocus);
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window.removeEventListener("blur", onBlur);
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};
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});
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return focused;
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}
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