typescript config file

tsconfig.json

@@ -0,0 +1,28 @@
+{
+  "compilerOptions": {
+    "declaration": true,
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "outDir": "build",
+    "preserveConstEnums": true,
+    "rootDir": "./src",
+    "baseUrl": ".",
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "sourceMap": true,
+    "target": "es2017",
+    "typeRoots": [
+      "node_modules/@types"
+    ],
+    "lib": [
+      "es7"
+    ]
+  },
+  "include": [
+    "src/**/*"
+  ],
+  "exclude": [
+    "node_modules",
+    "src/**/*.spec.ts"
+  ]
+}