const path = require('path');
const glob = require('glob');

const HtmlWebpackPlugin = require('html-webpack-plugin');

const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const PurgecssPlugin = require('purgecss-webpack-plugin');
const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');
const CopyPlugin = require('copy-webpack-plugin');

module.exports = {
  entry: './src/app.ts',
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.css$/i,
        use: [MiniCssExtractPlugin.loader, "css-loader"],
      },
      {
        test: /\.(png|jpg|jpeg|gif)$/i,
        type: "asset/resource",
      },
    ],
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.js'],
    plugins: [new TsconfigPathsPlugin({})]
  },
  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, './www/'),
    clean: true,
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './src/index.html',
      hash: true
    }),
    new MiniCssExtractPlugin({
      filename: "[name].css",
    }),
    new PurgecssPlugin({
      paths: glob.sync('./src/**/*',  { nodir: true }),
      safelist: ['html', 'body']
    }),
    new CopyPlugin({
      patterns: [
        'src/manifest.webmanifest'
      ],
    }),
  ]
};