template.json

{
  "dependencies": {
    "@testing-library/jest-dom": "^5.11.4",
    "@testing-library/react": "^11.1.0",
    "@testing-library/user-event": "^12.1.10",
    "@types/jest": "^26.0.15",
    "@types/node": "^12.0.0",
    "@types/react": "^16.9.53",
    "@types/react-dom": "^16.9.8",
    "customize-cra": "^1.0.0",
    "react": "^17.0.1",
    "react-app-rewired": "^2.1.6",
    "react-dom": "^17.0.1",
    "react-scripts": "4.0.1",
    "typescript": "^4.0.3",
    "web-vitals": "^0.2.4"
  },
  "scripts": {
    "start": "yarn tsc && react-app-rewired start",
    "build": "yarn tsc && react-app-rewired build",
    "test": "react-app-rewired test",
    "eject": "react-app-rewired eject"
  }
}