myapp/node_modules/@schematics/angular/library/files/tsconfig.lib.json.template

/* To learn more about Typescript configuration file: https://www.typescriptlang.org/docs/handbook/tsconfig-json.html. */
/* To learn more about Angular compiler options: https://angular.dev/reference/configs/angular-compiler-options. */
{
  "extends": "<%= relativePathToWorkspaceRoot %>/tsconfig.json",
  "compilerOptions": {
    "outDir": "<%= relativePathToWorkspaceRoot %>/out-tsc/lib",
    "declaration": true,
    "declarationMap": true,
    "inlineSources": true,
    "types": []
  },
  "exclude": [
    "**/*.spec.ts"
  ]
}