node-fftcg/frontend/webpack.config.js

const path = require('path');

module.exports = {
  mode: 'development',

  entry: {
    index: './src/index.coffee',
    game:  './src/game.coffee'
  },

  devtool: 'inline-source-map',

  output: {
    filename: '[name].bundle.js',
    path: path.resolve(__dirname, 'public_html')
  },

  module: {
    rules: [
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader']
      },

      {
        test: /\.(scss)$/,
        use: [{
          loader: 'style-loader', // inject CSS to page
        }, {
          loader: 'css-loader', // translates CSS into CommonJS modules
        }, {
          loader: 'postcss-loader', // Run post css actions
          options: {
            plugins: function () { // post css plugins, can be exported to postcss.config.js
              return [
                require('precss'),
                require('autoprefixer')
              ];
            }
          }
        }, {
          loader: 'sass-loader' // compiles Sass to CSS
        }]
      },

      {
        test: /\.coffee$/,
        use: [
          {
            loader: 'coffee-loader',
            options: {
              transpile: {
                presets: ['@babel/env']
              }
            }
          }
        ]
      }

    ]
  }
};