const path = require("path");
const process = require("process");
const CopyPlugin = require("copy-webpack-plugin");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const WebpackBar = require("webpackbar");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const NodePolyfillPlugin = require("node-polyfill-webpack-plugin");
const lessVariable = require('./lessVariable')

const cwd = process.cwd();

module.exports = {
  output: {
    filename: './js/[name]-[contenthash].js',
    libraryTarget: 'umd',
    clean: true,
  },
  entry: path.resolve(cwd, './src/index.tsx'),
  module: {
    rules: [
      {
        test: /\.(js|jsx|ts|tsx)$/,
        exclude: /node_modules/,
        use: [
          "thread-loader",
          {
            loader: "babel-loader",
            options: {
              presets: [
                "@babel/preset-env",
                "@babel/preset-react",
                "@babel/preset-typescript",
              ],
            },
          },
        ],
      },
      {
        test: /\.(png|jpeg|jpg)(\?[a-z0-9=&.]+)?$/,
        use: {
          loader: "file-loader",
          options: {
            name: "./public/imgs/[name].[ext]",
          },
        },
      },
      {
        test: /\.(ttf|eot|woff(2)?)(\?[a-z0-9=&.]+)?$/,
        use: {
          loader: "file-loader",
          options: {
            name: "./public/fonts/[name].[ext]",
          },
        },
      },
      {
        test: /\.less$/i,
        use: [
          "css-loader",
          {
            loader: "less-loader",
            options: {
              additionalData: `${lessVariable}`,
            },
          },
        ],
      },

      {
        test: /\.css$/i,
        use: [MiniCssExtractPlugin.loader, "css-loader"],
      },
      {
        test: /\.svg$/,
        use: ["@svgr/webpack", "url-loader"],
      },
    ],
  },
  resolve: {
    extensions: [".json", ".jsx", ".js", ".ts", ".tsx"],
    alias: {
      "@": path.resolve(cwd, "./src/"),
      "@/src": path.resolve(cwd, "./src/"),
    },
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.resolve(cwd, './src/public/index.html'),
    }),
    new CopyPlugin({
      patterns: [
        {
          from: path.resolve(cwd, './static'),
          to: 'static',
        },
      ],
    }),
    new WebpackBar(),
    new NodePolyfillPlugin()
  ],
};