angular/packages/compiler-cli/integrationtest/ngtools_src/tsconfig-build.json

{
  "angularCompilerOptions": {
    "debug": true,
    "enableIvy": false
  },

  "compilerOptions": {
    "baseUrl": ".",
    "declaration": true,
    "experimentalDecorators": true,
    "lib": ["es6", "dom"],
    "moduleResolution": "node",
    "noImplicitAny": true,
    "rootDir": "",
    "target": "es5",
    "types": []
  }
}