不能在NextJS中使用Webpack.config.js

我在 NextJS 中使用 react-pdf 庫生成 PDF、查看 PDF 并在靜態客戶端 NextJS 應用程式中下載該 PDF（不涉及服務器）。但我無法為 nextJS 設定 webpack，因為我對 webpack 了解不多

這就是 react-pdf 所需的 Webpack 設定

const webpack = require('webpack')

module.exports = {
  /* ... */

  resolve: {
    fallback: {
      process: require.resolve('process/browser'),
      zlib: require.resolve('browserify-zlib'),
      stream: require.resolve('stream-browserify'),
      util: require.resolve('util'),
      buffer: require.resolve('buffer'),
      asset: require.resolve('assert'),
    },
  },
  plugins: [
    new webpack.ProvidePlugin({
      Buffer: ['buffer', 'Buffer'],
      process: 'process/browser',
    }),
  ],

  /* ... */
}

這就是 next.config.js 中的格式

module.exports = {
  webpack: (config, { buildId, dev, isServer, defaultLoaders, webpack }) => {
    // Important: return the modified config
    return config
  },
}

請幫助將設定放在 next.config.js 中，我無法弄清楚轉換

uj5u.com熱心網友回復：

嘗試使用以下設定next.config.js：

module.exports = {
  webpack: (config, { buildId, dev, isServer, defaultLoaders, webpack }) => {
    // Important: return the modified config
     config.resolve.fallback = {
        process: require.resolve('process/browser'),
        zlib: require.resolve('browserify-zlib'),
        stream: require.resolve('stream-browserify'),
        util: require.resolve('util'),
        buffer: require.resolve('buffer'),
        asset: require.resolve('assert'),
      }
     config.plugins.push(  new webpack.ProvidePlugin({
      Buffer: ['buffer', 'Buffer'],
      process: 'process/browser',
    }));
    return config
  },
}

uj5u.com熱心網友回復：

嘗試將 setupProxy.js 檔案放在 src 目錄中。它的內容

const { createProxyMiddleware } = require('http-proxy-middleware');

module.exports = function(app, req, res) {

const options = {
    target: 'http://serverurl.com',
    changeOrigin: true,
    pathRewrite: function(path, req){
        // console.log('path BEFORE trans: %o', path);
        const p = path.replace('/api', '');
        // console.log('current_path: %o', p);
        // if(path.indexOf('manage') !== -1){
        //     p = '/web-module-backend' p;
        // }
        // console.log('PATH: %o', p);
        return p;
    },
    onProxyRes: (proxyRes, req, res) => {
        // log original request and proxied request info
        const exchange = `[${req.method}] [${proxyRes.statusCode}] ${req.path} -> ${proxyRes.req.protocol}//${proxyRes.req.host}${proxyRes.req.path}`;
        // console.log(req.headers);
        // console.log(proxyRes.headers);
        console.log(exchange); // [GET] [200] / -> http://www.example.com
        console.log('Req URL: '   req.originalUrl);
        console.log('Response status code: '   proxyRes.statusCode);
        res.headers = proxyRes.headers;
    },
    onProxyReq: (proxyReq, req, res) => {
        Object.defineProperty(proxyReq, 'headers', {
            get(){
                return {
                    host: 'http://urlserver.com',
                    authorization: 'Authstring', // req.headers.authorization,
                }
            },
            set(){

            }
        })
        console.log(proxyReq.headers);
    },
    onError: (err, req, res, target) => {
        console.log(err);
    }
}

const uiProxy = createProxyMiddleware(options)

app.use(
    '/api',
    uiProxy
);

};

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