ngx-admin/src/tsconfig.app.json

{
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "outDir": "../out-tsc/app",
    "module": "es2015",
    "baseUrl": "./",
    "types": [],
    "paths": {
      "@angular/*": [
        "../node_modules/@angular/*"
      ],
      "@nebular/*": [
        "../node_modules/@nebular/*"
      ]
    }
  },
  "exclude": [
    "test.ts",
    "**/*.spec.ts"
  ]
}