const path = require('path');
const ProgressBarWebpackPlugin = require('progress-bar-webpack-plugin');
const ESLintPlugin = require('eslint-webpack-plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");

const resolve = (url) => path.resolve(__dirname, '..', url);

module.exports = {
  mode: 'development',
  devtool: 'source-map',
  target: 'node',
  entry: {
    server: resolve("src/server.ts"),
  },
  plugins: [
    new ESLintPlugin({
      overrideConfigFile: resolve(".eslintrc.js"),
      context: resolve("src"),
      extensions: ['ts', 'js'],
      fix: true,
    }),
    new ProgressBarWebpackPlugin(),
  ],
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: [
          {
            loader: 'babel-loader',
            options: {
              cacheDirectory: true,
            },
          },
          {
            loader: 'ts-loader',
          },
        ],
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              publicPath: '../',
            },
          },
          {
            loader: 'css-loader',
          },
        ],
      },
      {
        test: /\.less$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              publicPath: '../',
            },
          },
          {
            loader: 'css-loader',
          },
          {
            loader: 'less-loader',
          },
        ],
      },
      {
        test: /\.(png|svg|jpe?g|gif)$/i,
        use: [
          {
            loader: 'url-loader',
            options: {
              limit: 18192,
              outputPath: 'img',
              name: '[name].[ext]?[hash]',
              esModule: false,
            },
          },
        ],
      },
      {
        test: /\.(woff|woff2|eot|ttf|otf)$/i,
        use: [
          {
            loader: 'file-loader',
            options: {
              outputPath: 'font',
              esModule: false,
            },
          },
        ],
      },
      {
        test: /\.wasm$/,
        type: 'webassembly/async',
      },
    ],
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.json'],
    alias: {
      '@': resolve('src'),
    },
  },
  experiments: {
    syncWebAssembly: true,
    asyncWebAssembly: true,
    topLevelAwait: true,
  },
  externals: [/node_modules/, 'bufferutil', 'utf-8-validate'],
  output: {
    filename: 'js/[name].js',
    library: 'Node',
    libraryTarget: 'umd',
  },
};