simpletsconfig.json

{
    "compilerOptions": {
        "target": "es5",
        "outDir": "js",
        "module": "commonjs",
        "sourceMap": true,
        "watch": true
    },
    "files": [
        "app.ts"
    ]
}

tsconfig.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "lib": ["es2015", "dom"],
    "noImplicitAny": true,
    "suppressImplicitAnyIndexErrors": true,
    "typeRoots": [
      "../../node_modules/@types/"
    ],
    "filesGlob": [
        "./src/**/*.ts",
        "./test/**/*.ts",
        "./typings/browser.d.ts",
        "./jspm_packages/**/*.d.ts"
    ]
  },
  "compileOnSave": true,
  "exclude": [
    "node_modules/*",
    "**/*-aot.ts"
  ]
}