tsconfig

tsconfig.json

{
  "compileOnSave": true,
  "compilerOptions": {
    "module": "commonjs",
    "target": "es6",
    "sourceMap": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "lib": [
      "es5",
      "es6"
    ],
    "outDir": "build",
    "removeComments": true,
    "watch": true
  },
  "exclude": [
    "node_modules"
  ],
  "include": [
    "src/**/*"
  ]
}