webpack.config.js

const webpack = require("webpack");
const path = require("path");
const HtmlWebPackPlugin = require("html-webpack-plugin");

const htmlPlugin = new HtmlWebPackPlugin({
  template: "./public/index.html"
});

const outputDirectory = "dist";

module.exports = {
  entry: "./index.js",
  output: {
    path: path.resolve(__dirname, outputDirectory),
    filename: "bundle.js",
    publicPath: "/"
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ["@babel/preset-react"],
            plugins: [
              ["@babel/plugin-proposal-decorators", { legacy: true }],
              "@babel/plugin-proposal-class-properties",
              "graphql-tag",
              ["import", { libraryName: "antd", libraryDirectory: "es", style: "css" }]
            ]
          }
        }
      },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"],
        exclude: /\.module\.css$/
      },
      {
        test: /\.png$/,
        use: [
          {
            loader: "url-loader",
            options: {
              mimetype: "image/png"
            }
          }
        ]
      },
      {
        test: /\.less$/,
        use: [
          {
            loader: "style-loader"
          },
          {
            loader: "css-loader",
            options: {
              sourceMap: true,
              modules: true,
              localIdentName: "[name]__[local]___[hash:base64:5]"
            }
          },
          {
            loader: "less-loader"
          }
        ]
      }
    ]
  },
  resolve: {
    alias: {
      src: path.resolve(__dirname, "src/"),
    }
  },
  devServer: {
    port: 3000,
    open: true,
    historyApiFallback: true,
    proxy: {
      "/api": "http://localhost:8080"
    }
  },
  plugins: [new webpack.ContextReplacementPlugin(/moment[/\\]locale$/, /en/), htmlPlugin]
};