Add hot reload

webpack.config.js

@@ -0,0 +1,90 @@
+const path = require('path');
+const HtmlWebpackPlugin = require('html-webpack-plugin');
+const TerserPlugin = require('terser-webpack-plugin');
+const InlineSourceWebpackPlugin = require('inline-source-webpack-plugin');
+const MiniCssExtractPlugin = require('mini-css-extract-plugin');
+
+module.exports = (env, argv) => ({
+  devtool: argv.mode === 'development' ? 'inline-source-map' : false,
+  entry: {
+    index: './src/index.ts',
+  },
+  watchOptions: {
+    ignored: '**/node_modules',
+  },
+  optimization: {
+    minimizer: [
+      new TerserPlugin({
+        terserOptions: {
+          module: true,
+        },
+      }),
+    ],
+  },
+  plugins: [
+    new HtmlWebpackPlugin({
+      template: './src/index.html',
+    }),
+    new MiniCssExtractPlugin(),
+    argv.mode === 'production'
+      ? new InlineSourceWebpackPlugin({
+          compress: true,
+        })
+      : null,
+    new (require('webpack').DefinePlugin)({
+      __CURRENT_DATE__: Date.now(),
+    }),
+  ].filter(Boolean),
+  module: {
+    rules: [
+      {
+        test: /\.svg$/i,
+        use: 'svg-inline-loader',
+      },
+      {
+        test: /\.wgsl/,
+        type: 'asset/source',
+        generator: {
+          filename: '[name][ext]',
+        },
+      },
+      {
+        test: /\/no-change\//i,
+        type: 'asset/resource',
+        generator: {
+          filename: '[name][ext]',
+        },
+      },
+      {
+        test: /\.scss$/i,
+        use: [
+          MiniCssExtractPlugin.loader,
+          'css-loader',
+          'resolve-url-loader',
+          {
+            loader: 'sass-loader',
+            options: {
+              sourceMap: true, // required by resolve-url-loader
+            },
+          },
+        ],
+      },
+      {
+        test: /\.ts$/,
+        use: 'ts-loader',
+      },
+    ],
+  },
+  resolve: {
+    extensions: [
+      '.ts',
+      '.js', // required for development
+    ],
+  },
+  output: {
+    clean: true,
+    filename: '[name].js',
+    path: path.resolve(__dirname, 'dist'),
+    publicPath: '',
+  },
+});