wehub-resource-sync
28 lines
712 B
TypeScript
28 lines
712 B
TypeScript
import { useEffect, useState, type RefObject } from 'react';
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export function useElementHeight(ref: RefObject<HTMLElement | null>, initial = 0): number {
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const [height, setHeight] = useState(initial);
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useEffect(() => {
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const el = ref.current;
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if (!el) return;
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const update = () => {
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setHeight(el.getBoundingClientRect().height);
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};
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update();
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if (typeof ResizeObserver === 'undefined') {
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window.addEventListener('resize', update);
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return () => window.removeEventListener('resize', update);
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}
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const resizeObserver = new ResizeObserver(update);
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resizeObserver.observe(el);
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return () => resizeObserver.disconnect();
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}, [ref]);
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return height;
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}
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