angular.json

{
    "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
    "version": 1,
    "newProjectRoot": "projects",
    "projects": {
    

      "ng-core": {
        "root": "/",
        "sourceRoot": "/src",
        "projectType": "library",
        "prefix": "lib",
        "architect": {
          "build": {
            "builder": "@angular-devkit/build-ng-packagr:build",
            "options": {
              "tsConfig": "tsconfig.lib.json",
              "project": "ng-package.json"
            },
            "configurations": {
              "production": {
                "project": "ng-package.prod.json"
              }
            }
          },
          "test": {
            "builder": "@angular-devkit/build-angular:karma",
            "options": {
              "main": "src/test.ts",
              "tsConfig": "tsconfig.spec.json",
              "karmaConfig": "karma.conf.js"
            }
          },
          "lint": {
            "builder": "@angular-devkit/build-angular:tslint",
            "options": {
              "tsConfig": [
                "tsconfig.lib.json",
                "tsconfig.spec.json"
              ],
              "exclude": [
                "**/node_modules/**"
              ]
            }
          }
        }
      }
    },
    "defaultProject": "ng-core",
    "schematics": {
      "@schematics/angular:component": {
        "prefix": "app",
        "styleext": "scss"
      },
      "@schematics/angular:directive": {
        "prefix": "app"
      }
    }
  }