tsconfig.json

{
    "compileOnSave": true,
    "compilerOptions": {
      "alwaysStrict": true,
      "diagnostics": true,
      "emitBOM": true,
      "esModuleInterop": true,
      "forceConsistentCasingInFileNames": true,
      "jsx": "preserve",
      "lib": [ "dom", "dom.iterable", "scripthost", "es5", "es6", "es7", "esnext" ],
      "module": "CommonJS",
      "moduleResolution": "Node",
      "newLine": "lf",
      "noErrorTruncation": true,
      "noImplicitAny": true,
      "noImplicitThis": true,
      "noUnusedLocals": true,
      "noUnusedParameters": true,
      "outDir": "build",
      "preserveWatchOutput": true,
      "removeComments": true,
      "resolveJsonModule": true,
      "rootDir": "src",
      "sourceMap": true,
      "strictBindCallApply": true,
      "strictNullChecks": true,
      "strictFunctionTypes": true,
      "strictPropertyInitialization": true,
      "target": "esnext"
    },
    "exclude": [
      "node_modules"
    ],
    "include": [
      "./src/**/*"
    ],
    "typeRoots" : [
      "./typings"
    ]
  }