tsconfig-build.json

{
  "extends": "./tsconfig.json",
  "compilerOptions": {
    "types": ["node"]
  },
  "exclude": [
    "dist/**/*",
    "dist-schema/**",
    "**/node_modules/**/*",
    "packages/angular_devkit/schematics_cli/blank/*-files/**/*",
    "packages/angular_devkit/schematics_cli/schematic/files/**/*",
    "packages/angular_devkit/build_angular/src/*/tests/**/*",
    "packages/angular_devkit/build_angular/src/builders/*/tests/**/*",
    "packages/angular_devkit/build_angular/src/testing/**/*",
    "packages/angular_devkit/*/test/**/*",
    "packages/schematics/*/*/*files/**/*",
    "tests/**/*",
    "tools/**/*",
    ".ng-dev/**/*",
    "**/*test.ts"
  ]
}