webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: [
    // entry point of our app
    './src/index.js',
  ],
  output: {
    path: path.resolve(__dirname, 'dist'),
    publicPath: '/',
    filename: 'bundle.js',
  },
  devtool: 'eval-source-map',
  mode: 'development',
  devServer: {
    host: 'localhost',
    port: 8080,
    // match the output path
    contentBase: path.resolve(__dirname, 'dist'),
    // enable HMR on the devServer
    hot: true,
    // match the output 'publicPath'
    publicPath: '/',
    // fallback to root for other urls
    historyApiFallback: true,

    inline: true,

    headers: { 'Access-Control-Allow-Origin': '*' },
    /**
     * proxy is required in order to make api calls to
     * express server while using hot-reload webpack server
     * routes api fetch requests from localhost:8080/api/* (webpack dev server)
     * to localhost:3000/api/* (where our Express server is running)
     */
    proxy: {
      '/': {
        target: 'http://localhost:3000/',
        secure: false,
      },
      '/camp':{
        target: 'http://localhost:3000/',
        secure: false,
      },
    },
  },
//   //this node was added to fix fs and net errors
//   node: {
//     fs: "empty",
//     net: 'empty',
//     tls: 'empty',
//     dns: 'empty'
//  },
  module: {
  //   //added to fix the dependency warning
  //   noParse: function (content) {
  //     return /express/.test(content);
  // },
    rules: [
      {
        test: /.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
        },
      },
      {
        test: /.(css|scss)$/,
        // exclude: /node_modules/,
        // use: ['style-loader', 'css-loader', 'sass-loader'],
        use: [{
          loader: 'style-loader', // inject CSS to page
        }, {
          loader: 'css-loader', // translates CSS into CommonJS modules
        }, {
          loader: 'postcss-loader', // Run post css actions
          options: {
            plugins: function () { // post css plugins, can be exported to postcss.config.js
              return [
                require('precss'),
                require('autoprefixer')
              ];
            }
          }
        }, {
          loader: 'sass-loader' // compiles Sass to CSS
        }]
      },
      {
        test: /\.(png|jpe?g|gif)$/i,
        use: [
          {
            loader: 'file-loader',
          },
        ],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './src/index.html',
    }),
  ],
  resolve: {
    // Enable importing JS / JSX files without specifying their extension
    extensions: ['.js', '.jsx'],
  },
};