Use new ResizeObserver hook
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@@ -6,17 +6,28 @@
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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import { RefObject, useLayoutEffect } from 'react';
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import { RefObject, useLayoutEffect, useState } from 'react';
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export const useResizeObserver = (
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ref: RefObject<HTMLElement> | HTMLElement | undefined,
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callback: ResizeObserverCallback,
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): (() => void) => {
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const [disconnect, setDisconnect] = useState<() => void>(() => {});
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export const useResizeObserver = (ref: RefObject<HTMLElement>, callback: ResizeObserverCallback) => {
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useLayoutEffect(() => {
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if (!ref.current) {
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const element = ref instanceof HTMLElement ? ref : ref?.current;
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if (!element) {
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return () => {};
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}
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const resizeObserver = new ResizeObserver(callback);
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resizeObserver.observe(ref.current);
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resizeObserver.observe(element);
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setDisconnect(() => () => resizeObserver.disconnect());
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return () => resizeObserver.disconnect();
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}, [ref, callback]);
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return disconnect;
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};
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