webpack.config.dev.js

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

process.env.NODE_ENV = "development";

module.exports = {
  mode: "development",
  target: "web",
  devtool: "cheap-module-source-map",
  entry: "./src/index",
  output: {
    path: path.resolve(__dirname, "build"),
    publicPath: "/",
    filename: "bundle.js",
  },
  devServer: {
    stats: "minimal",
    overlay: true,
    historyApiFallback: true,
    disableHostCheck: true,
    headers: { "Access-Control-Allow-Origin": "*" },
    https: false,
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "src/index.html",
      favicon: "src/favicon.ico",
    }),

    new webpack.DefinePlugin({
      "process.env.API_URL": JSON.stringify("http://localhost:3001/api"),
    }),
  ],
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: ["babel-loader", "eslint-loader"],
      },
      {
        test: /(\.wav)$/,
        use: "file-loader",
      },
      {
        test: /(\.css)$/,
        use: ["style-loader", "css-loader"],
      },
      {
        test: /(\.scss)$/,
        use: ["style-loader", "css-loader", "sass-loader"],
      },
      {
        test: /\.less$/,
        include: `/node_modules/antd`,
        use: [
          {
            loader: "style-loader",
          },
          {
            loader: "css-loader", // translates CSS into CommonJS
          },
          {
            loader: "less-loader", // compiles Less to CSS
            options: {
              lessOptions: {
                // If you are using less-loader@5 please spread the lessOptions to options directly
                modifyVars: {
                  "primary-color": "#27b327",
                  "link-color": "#27b327",
                  "border-radius-base": "2px",
                  "text-color": "27b327",
                },
                javascriptEnabled: true,
              },
            },
          },
        ],
        // ...other rules
      },
    ],
  },
};