tsconfig.build.json

{
  "extends": "../../tsconfig.json",
  "compilerOptions": {
    "rootDir": "src",
    "declarationDir": "dist/typings",
    "declaration": true,
    "sourceMap": false,
    "noEmit": false,
    "paths": {}
  },
  "include": ["src/**/*"],
  "exclude": ["**/*.spec.tsx", "**/*.spec.ts"]
}