react18 functional writing method implements a method similar to vue $set (use of immer)

import { produce } from 'immer'
import { View } from '@tarojs/components'

interface OwnProps {
  // 父组件要传的props
}

const Searchroute: React.FC<OwnProps> = () => {
  const [addressList, setaddressList]: any = useState({}) // 获取模糊查询到的位置
  // 关键词输入位置信息提示
  async function toSearchPlace (addressStr, value) {
    const res: any = await searchPlace(addressStr, pageNum, pageSize)
    let arr = res.result || []
    let list = addressList.result
    setaddressList(produce((draft: any) => {
      draft.result = pageNum === 1 ? arr : list.concat(arr)
      draft.characteristic = value
    }))
  }
  return (
    <View></View>
  )
}
export default Searchroute

reference:

Best way to implement something like vue $set() in react hook? - SegmentFault 思否

The use of immer - optimize setState - optimize useState - optimize redux use, improve performance

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Origin blog.csdn.net/qq_37548296/article/details/130100718
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