tsconfig.json

{
  "compilerOptions": {
    "allowJs": true,
    "allowSyntheticDefaultImports": true,
    "allowUnreachableCode": false,
    "allowUnusedLabels": false,
    "forceConsistentCasingInFileNames": true,
    "isolatedModules": true,
    "jsx": "react",
    // This is necessary to get Promise work with typechecking and autocomplete
    "lib": [ "es5", "es6", "dom" ],
    "noEmit": true,
    "noErrorTruncation": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitAny": true,
    "noUnusedLocals": true,
    "target": "ES5"
  }
  /**
   * NOTE: "files" is omitted here so that vscode and other editors will use
   * these options for test files that aren't accessed through app/app.tsx .
   * tsconfig.build.json is used by systemJS instead of this file to build for
   * tests, build on the fly in the browser, and for packaging, and includes a
   * reference to typings/index.d.ts so that the correct typings files can be
   * pulled in for compilation.
   */
}