Keep/keep-notes/hooks/use-resize-observer.ts

34 lines
824 B
TypeScript

'use client';
import { useEffect, useRef } from 'react';
export function useResizeObserver(callback: (entry: ResizeObserverEntry) => void) {
const ref = useRef<HTMLElement>(null);
const frameId = useRef<number>(0);
useEffect(() => {
const element = ref.current;
if (!element) return;
const observer = new ResizeObserver((entries) => {
// Cancel previous frame to avoid stacking updates
if (frameId.current) cancelAnimationFrame(frameId.current);
frameId.current = requestAnimationFrame(() => {
for (const entry of entries) {
callback(entry);
}
});
});
observer.observe(element);
return () => {
observer.disconnect();
if (frameId.current) cancelAnimationFrame(frameId.current);
};
}, [callback]);
return ref;
}