Begin conversion to typescript.

webpack.config.js

@@ -7,6 +7,10 @@ module.exports = {
     context: path.resolve(__dirname, 'src'),
     entry: './app.js',
     devtool: 'source-map',
+    resolve: {
+        // Add '.ts' and '.tsx' as a resolvable extension.
+        extensions: ['.webpack.js', '.web.js', '.ts', '.tsx', '.js', '.html']
+    },
     module: {
         rules: [{
             enforce: 'pre',
@@ -24,6 +28,31 @@ module.exports = {
                     indent: ['error', 4]
                 },
             },
+        }, {
+            // typescript linting
+            enforce: 'pre',
+            test: /\.tsx?$/,
+            exclude: /(node_modules|bootstrap)/,
+            loader: 'tslint-loader',
+            options: {
+                configFile: false,
+                emitErrors: true,
+                baseConfig: 'angular',
+                allowJs: true,
+                configuration: {
+                    extends: ["angular-tslint-rules"],
+                    include: [
+                        'src/**/*'
+                    ],
+                    rules: {
+                        indent: ['error', 4]
+                    },
+                },
+            },
+        }, {
+            test: /\.tsx?$/,
+            exclude: /node_modules/,
+            loader: 'ts-loader'
         }, {
             // Javascript
             enforce: 'pre',