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tailchat/client/shared/hooks/useShallowObject.ts

18 lines
444 B
TypeScript

import { useLayoutEffect, useState } from 'react';
import { shallowEqual } from 'react-redux';
/**
* 对输入对象增加一层浅比较, 如果对象浅比较结果一致则返回原对象(防止更新)
*/
export function useShallowObject<T>(object: T): T {
const [state, setState] = useState<T>(object);
useLayoutEffect(() => {
if (!shallowEqual(state, object)) {
setState(object);
}
}, [object]);
return state;
}