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

module.exports = {
  cache: true,
  entry: './frontend/src/main.ts',
  output: {
    path: path.resolve(__dirname, 'dist', 'frontend'),
    filename: 'main.bundle.js',
  },
  module: {
    rules: [
      {
        test: /\.ts$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'babel-loader',
            options: {
              presets: ['@babel/env'],
            },
          },
          {
            loader: 'ts-loader',
          },
        ],
      },
      {
        test: /\.hbs$/,
        use: {
          loader: 'handlebars-loader',
        },
      },
      {
        test: /\.scss$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
          },
          {
            loader: 'css-loader',
          },
          {
            loader: 'postcss-loader',
            options: {
              postcssOptions: {
                plugins: ['postcss-preset-env'],
              },
            },
          },
          {
            loader: 'sass-loader',
            options: {
              sourceMap: true,
            },
          },
        ],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      title: 'metropolis',
    }),
    new MiniCssExtractPlugin({
      filename: 'css/style.css',
    }),
  ],
};