type IProps = Record<string, unknown>;
/**
 * 什么導(dǎo)致了頁(yè)面render自定義hooks
 *
 * @param componentName  觀測(cè)組件的名稱(chēng)
 * @param props         需要觀測(cè)的數(shù)據(jù)（當(dāng)前組件 state 或者傳入的 props 等可能導(dǎo)致 rerender 的數(shù)據(jù)）
 */
const useWhyDidYouUpdate = (componentName: any, props: any) => {
  // 創(chuàng)建一個(gè)ref對(duì)象
  let oldPropsRef = useRef<IProps>({});
  useEffect(() => {
    if (oldPropsRef.current) {
      // 遍歷新舊props的所有key
      let keys = Object.keys({ ...oldPropsRef.current, ...props });
      // 改變信息對(duì)象
      let changeMessageObj: IProps = {};
      keys.forEach((key) => {
        // 對(duì)比新舊props是否改變，改變及記錄到changeMessageObj
        if (!Object.is(oldPropsRef.current[key], props[key])) {
          changeMessageObj[key] = {
            from: oldPropsRef?.current[key],
            to: props[key],
          };
        }
      });
      // 是否存在改變信息，存在及打印
      if (Object.keys(changeMessageObj).length) {
        console.log(componentName, changeMessageObj);
      }
      // 更新ref
      oldPropsRef.current = props;
    }
  });
};

import React, { useState, useRef, useEffect } from 'react';
import { Button, Statistic } from 'antd';
type IProps = Record<string, unknown>;
/**
 * 什么導(dǎo)致了頁(yè)面render自定義hooks
 *
 * @param componentName  觀測(cè)組件的名稱(chēng)
 * @param props         需要觀測(cè)的數(shù)據(jù)（當(dāng)前組件 state 或者傳入的 props 等可能導(dǎo)致 rerender 的數(shù)據(jù)）
 */
const useWhyDidYouUpdate = (componentName: any, props: any) => {
  // 創(chuàng)建一個(gè)ref對(duì)象
  let oldPropsRef = useRef<IProps>({});
  useEffect(() => {
    if (oldPropsRef.current) {
      // 遍歷新舊props的所有key
      let keys = Object.keys({ ...oldPropsRef.current, ...props });
      // 改變信息對(duì)象
      let changeMessageObj: IProps = {};
      keys.forEach((key) => {
        // 對(duì)比新舊props是否改變，改變及記錄到changeMessageObj
        if (!Object.is(oldPropsRef.current[key], props[key])) {
          changeMessageObj[key] = {
            from: oldPropsRef?.current[key],
            to: props[key],
          };
        }
      });
      // 是否存在改變信息，存在及打印
      if (Object.keys(changeMessageObj).length) {
        console.log(componentName, changeMessageObj);
      }
      // 更新ref
      oldPropsRef.current = props;
    }
  });
};
// 演示demo
const Demo: React.FC<{ count: number }> = (props) => {
  useWhyDidYouUpdate('useWhyDidYouUpdateComponent', { ...props });
  return (
    <>
      <Statistic title="number：" value={props.count} />
    </>
  );
};
export default () => {
  const [count, setCount] = useState(0);
  return (
    <div>
      <Demo count={count} />
      <div>
        <Button
          type="primary"
          onClick={() => setCount((prevCount) => prevCount - 1)}
        >
          count -
        </Button>
        <Button
          type="primary"
          onClick={() => setCount((prevCount) => prevCount + 1)}
          style={{ marginLeft: 8 }}
        >
          count +
        </Button>
      </div>
    </div>
  );
};