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fix: offsetHeight null error (#259) #282

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fix: offsetHeight null error (#259) #282

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7 changes: 3 additions & 4 deletions src/hooks/useHeights.tsx
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Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
import * as React from 'react';
import { useRef, useEffect } from 'react';
import findDOMNode from 'rc-util/lib/Dom/findDOMNode';
import raf from 'rc-util/lib/raf';
import type { GetKey } from '../interface';
import CacheMap from '../utils/CacheMap';
Expand Down Expand Up @@ -30,10 +29,10 @@ export default function useHeights<T>(
const doCollect = () => {
instanceRef.current.forEach((element, key) => {
if (element && element.offsetParent) {
const htmlElement = findDOMNode<HTMLElement>(element);
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rc-util/findDOMNode will return element directly if its HTMLElement.

const { offsetHeight } = htmlElement;
const { offsetHeight } = element;

if (heightsRef.current.get(key) !== offsetHeight) {
heightsRef.current.set(key, htmlElement.offsetHeight);
heightsRef.current.set(key, offsetHeight);
}
}
});
Expand Down