tsconfig.json

{
  "extends": "../../tsconfig.json",
  "compilerOptions": {
    "baseUrl": "./",
    "outDir": "./lib",
    "rootDir": "./src",
    "lib": [
      "es6",
      "dom"
    ],
    "useUnknownInCatchVariables": false
  },
  "include": [
    "./src"
  ]
}