webpack.config.js

"use strict";

const HtmlWebpackPlugin = require("html-webpack-plugin");
const HtmlWebpackInlineSourcePlugin = require("html-webpack-inline-source-plugin");
const CleanWebpackPlugin = require("clean-webpack-plugin");
const TerserWebpackPlugin = require("terser-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const OptimizeCSSAssetsPlugin = require("optimize-css-assets-webpack-plugin");
const CopyWebpackPlugin = require("copy-webpack-plugin");
const { execFile } = require("child_process");
const advzip = require("advzip-bin");
const path = require("path");
const fs = require("fs");

const distDir = path.resolve(__dirname, "dist");
const isDev = process.env.npm_lifecycle_event !== "build";

class AdvzipPlugin {
  constructor(options) {
    this.opt = options;
  }

  apply(compiler) {
    compiler.hooks.done.tap("advzip", () => {
      if (this.opt.disabled) {
        return;
      }
      const args = ["-a4", this.opt.out].concat(this.opt.files);
      execFile(advzip, args, { cwd: this.opt.cwd }, () => {
        const out = path.resolve(this.opt.cwd, this.opt.out);
        const stats = fs.statSync(out);
        console.log(`Advzip: ${stats.size}`);
      });
    });
  }
}

module.exports = {
  entry: "./src/main.ts",

  resolve: {
    extensions: [".js", ".ts", ".tsx"]
  },

  devtool: "source-map",

  output: {
    path: distDir,
    filename: "main_bundle.js"
  },

  module: {
    rules: [
      {
        test: /\.tsx?$/,
        loader: "ts-loader"
      },
      {
        test: /\.scss$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              hmr: isDev,
              sourceMap: isDev
            }
          },
          {
            loader: "css-loader",
            options: {
              sourceMap: isDev
            }
          },
          {
            loader: "sass-loader",
            options: {
              sourceMap: isDev
            }
          }
        ]
      },
      {
        test: /\.glsl$/,
        use: "glsl-minify-loader"
      }
    ]
  },

  devServer: {
    contentBase: distDir,
    stats: "minimal",
    overlay: true
  },

  optimization: {
    minimizer: [new TerserWebpackPlugin(), new OptimizeCSSAssetsPlugin()]
  },

  plugins: [
    new CleanWebpackPlugin({
      dry: isDev
    }),
    new MiniCssExtractPlugin(),
    new HtmlWebpackPlugin({
      template: "src/index.html",
      inlineSource: ".(js|css)$",
      minify: {
        collapseWhitespace: !isDev
      }
    }),
    new HtmlWebpackInlineSourcePlugin(),
    new AdvzipPlugin({
      cwd: distDir,
      out: "game.zip",
      files: ["index.html"],
      disabled: isDev
    }),
    new CopyWebpackPlugin([{ from: "assets", to: "" }])
  ]
};