require("dotenv").config();

const webpack = require("webpack");
const path = require("path");
const TerserPlugin = require("terser-webpack-plugin");
// const CleanWebpackPlugin = require('clean-webpack-plugin')
// const Visualizer = require('webpack-visualizer-plugin');

module.exports = {
  mode: "production",
  entry: {
    main: "./frontend/index.js",
  },
  output: {
    path: path.resolve(__dirname, "static/js/dist"),
    filename: "bundle.js",
  },
  plugins: [
    new webpack.DefinePlugin({
      "process.env.NODE_ENV": JSON.stringify("production"),
      "process.env.EXPORT_HOST": JSON.stringify(process.env.EXPORT_HOST),
      // 'process.env.S3_HOST': JSON.stringify(process.env.S3_HOST || ""),
      // 'process.env.API_HOST': JSON.stringify(process.env.API_HOST || ""),
      __REACT_DEVTOOLS_GLOBAL_HOOK__: "({ isDisabled: true })",
    }),
    new TerserPlugin(),
    new webpack.optimize.AggressiveMergingPlugin(),
    // new Visualizer({
    //   filename: './statistics.html'
    // })
  ],
  optimization: {
    minimize: true,
    minimizer: [
      new TerserPlugin({
        terserOptions: {
          compress: {
            // drop_console: true,
          },
        },
      }),
    ],
  },
  resolve: {
    alias: {
      // "react": "preact/compat",
      // "react-dom/test-utils": "preact/test-utils",
      // "react-dom": "preact/compat",
      // 'vcat-header': path.resolve(__dirname, '../app/components/common/header.component.js'),
      // 'vcat-auth-reducer': path.resolve(__dirname, '../app/reducers/auth.reducer.js'),
    },
  },
  devtool: "cheap-module-source-map",
  module: {
    rules: [
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"],
      },
      {
        test: /\.js$/,
        // include: path.resolve(__dirname, 'client'),
        exclude: /(node_modules|bower_components|build)/,
        loader: "babel-loader",
        options: {
          presets: ["@babel/preset-react"],
          plugins: ["@babel/plugin-transform-runtime"],
        },
      },
    ],
  },
};