internal/tsc_wrapped/tsconfig.json

{
  "compilerOptions": {
    "strict": true,
    "types": [
      "node",
      "source-map",
      "jasmine"
    ],
    "lib": [
      "dom",
      "es5",
      "es2015.core",
      "es2015.collection",
      "es2015.promise"
    ]
  }
}