React Query 資料庫外掛程式：實作資料壓縮和解壓縮的方法

import { ReactQueryConfigProvider, QueryClient, QueryClientProvider, useQuery } from 'react-query';
import LZString from 'lz-string';

const compressData = (data) => {
  const compressedData = LZString.compress(JSON.stringify(data));
  return compressedData;
};

const decompressData = (compressedData) => {
  const decompressedData = LZString.decompress(compressedData);
  return JSON.parse(decompressedData);
};

const queryClient = new QueryClient({
  queries: {
    cacheTime: 300,
    queryFn: async (key) => {
      // 模拟数据获取，返回原始数据
      const res = await fetch(`https://api.example.com/data/${key}`);
      const data = await res.json();
      return data;
    },
    queryKeySerializer: JSON.stringify,
    queryKeyDeserializer: JSON.parse,
    cache: new (class extends Map {
      set(key, value) {
        const compressedValue = compressData(value);
        super.set(key, compressedValue);
      }
      get(key) {
        const compressedValue = super.get(key);
        const value = decompressData(compressedValue);
        return value;
      }
    })(),
  },
});

function App() {
  // 使用自定义的 queryClient
  return (
    <QueryClientProvider client={queryClient}>
      <ReactQueryConfigProvider>
        <MyComponent />
      </ReactQueryConfigProvider>
    </QueryClientProvider>
  );
}

function MyComponent() {
  const { data, isLoading, isError } = useQuery('example', () =>
    fetch('https://api.example.com/data/example').then((res) => res.json())
  );

  if (isLoading) {
    return <div>Loading...</div>;
  }

  if (isError) {
    return <div>Error</div>;
  }

  return <div>Data: {JSON.stringify(data)}</div>;
}

export default App;