webpack.config.js

// Generated using webpack-cli https://github.com/webpack/webpack-cli

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const Dotenv = require('dotenv-webpack');

require("dotenv").config();

const { NODE_ENV } = process.env;



const isProduction = NODE_ENV == "production";

const stylesHandler = isProduction
  ? MiniCssExtractPlugin.loader
  : "style-loader";

const config = {
  mode: NODE_ENV,
  entry: path.resolve(__dirname, "client/index.jsx"),
  stats: {
    errorDetails: true,
  },
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "bundle.js",
  },
  devtool: "eval",
  devServer: {
    open: true,
    host: "127.0.0.1",
    liveReload: true,
    resolve: {
      extensions: [".js", ".jsx", ".json"],
    },
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.join(__dirname, "client", "index.html"),
    }),

    new Dotenv({
      template: path.join(__dirname, ".env"),
    }),
    // Add your plugins here
    // Learn more about plugins from https://webpack.js.org/configuration/plugins/
  ],
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/i,
        exclude: /node_modules/,
        loader: "babel-loader",
      },
      {
        test: /\.css$/i,
        use: [stylesHandler, "css-loader"],
      },
      {
        test: /\.(eot|svg|ttf|woff|woff2|png|jpg|gif)$/i,
        type: "asset",
      },

      // Add your rules for custom modules here
      // Learn more about loaders from https://webpack.js.org/loaders/
    ],
  },
};

module.exports = (env) => {
  if (isProduction) {
    config.mode = "production";

    config.plugins.push(new MiniCssExtractPlugin());
    config.plugins.push(new Dotenv());
  } else {
    config.mode = "development";
    config.plugins.push(new Dotenv());
  }
  return config;
};