Add webpack bundle for demo script

Author: wimpyprogrammer

.gitignore

@@ -1,3 +1,4 @@
 coverage/
 lib/
 node_modules/
+demo/demo.js

demo/index.html

@@ -102,6 +102,7 @@
 		</footer>
 	</div>
 
+	<script type="text/javascript" src="demo.js"></script>
 </body>
 
 </html>

demo/webpack.config.js

@@ -0,0 +1,25 @@
+module.exports = {
+	entry: './src/demo.ts',
+	mode: 'production',
+	module: {
+		rules: [
+			{
+				exclude: /node_modules/,
+				test: /\.ts$/,
+				use: [
+					{
+						loader: 'ts-loader',
+						options: { compilerOptions: { noEmit: false } },
+					},
+				],
+			},
+		],
+	},
+	output: {
+		filename: 'demo.js',
+		path: __dirname,
+	},
+	resolve: {
+		extensions: ['.ts', '.js'],
+	},
+};

package.json

@@ -10,6 +10,7 @@
   },
   "scripts": {
     "build": "npm run clean && babel src -d lib --extensions '.js,.ts'",
+    "build-demo": "webpack --config demo/webpack.config.js",
     "clean": "rimraf lib/*",
     "format": "prettier --write 'src/**'",
     "lint": "tsc; tslint -p ./",
@@ -50,7 +51,10 @@
     "pretty-quick": "^1.6.0",
     "rimraf": "^2.6.2",
     "ts-jest": "^23.0.1",
+    "ts-loader": "^5.0.0",
     "tslint": "^5.11.0",
-    "typescript": "^2.9.2"
+    "typescript": "^2.9.2",
+    "webpack": "^4.17.2",
+    "webpack-command": "^0.4.1"
   }
 }

src/demo.ts

@@ -5,7 +5,7 @@
 		"baseUrl": "./",
 		"downlevelIteration": true,
 		"rootDir": "./",
-		"lib": ["es2017"],
+		"lib": ["dom", "es2017"],
 		"module": "es2015",
 		"noEmit": true,
 		"noImplicitAny": true,