chore(TypeScript): demo for typescript

tsconfig.json

@@ -3,8 +3,8 @@
     "target": "es5",
     "module":"CommonJS",
     "lib": ["es2015", "es2016", "es2017", "dom"],
-    "allowJs": true,
     "sourceMap": true,
+    "declaration": true,
     "allowSyntheticDefaultImports": true,
     "experimentalDecorators": true,
     "emitDecoratorMetadata": true,
@@ -14,8 +14,6 @@
       "src/*": ["src/*"]
     }
   },
-  "include": [
-    "src", "test"
-  ],
+  "include": [ "src", "test" ],
   "exclude": [ "node_modules", "dist" ]
 }