const path = require('path');
const webpack = require('webpack');
const HTMLWebpackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');

module.exports = {
  target: 'web',
  mode: 'development',
  entry: {
    app: ['./src/main.js'],
    vendor: ['phaser'],
  },
  output: {
    path: path.resolve(__dirname, './build'),
    filename: '[name]-bundle.js',
  },
  module: {
    rules: [
      {
        // Babel for ES6
        test: /\.(m?js|ts)x?$/,
        exclude: /(node_modules|bower_components)/,
        use: { loader: 'babel-loader' },
      },
      {
        // CSS and styling
        test: /\.css$/,
        use: ['style-loader', 'css-loader'],
      },
      {
        // CSS and styling
        test: /\.scss$/,
        use: ['style-loader', 'css-loader', 'sass-loader'],
      },
      {
        // Images
        test: /\.(png|jpe?g|gif|jpg)$/,
        use: [
          {
            loader: 'file-loader',
            options: {
              name: '[path][name].[ext]',
            },
          },
        ],
      },
    ],
  },
  devServer: {
    host: 'localhost',
    publicPath: '/',
    contentBase: path.join(__dirname, 'src'),
    watchContentBase: true,
    compress: true,
    port: 3000,
  },
  plugins: [
    // Cleans build folder
    new CleanWebpackPlugin(),
    // Inserts bundled js into template
    new HTMLWebpackPlugin({
      title: 'Tile World',
      template: './public/index.html',
    }),
    new webpack.DefinePlugin({
      CANVAS_RENDERER: JSON.stringify(true),
      WEBGL_RENDERER: JSON.stringify(true),
    }),
  ],
  optimization: {
    splitChunks: {
      name: 'vendor',
      chunks: 'all',
    },
    minimize: true,
  },
  devtool: 'inline-source-map',
};