オプションのチェーンは、react-script 3.4.3 などを使用しても CRA で機能しません。
modelClass.withId(payload.modelRef.id)?.delete();
次のエラーがスローされます。
Expected an assignment or function call and instead saw an expression no-unused-expressions
依存関係:
"@reduxjs/toolkit": "^1.4.0",
"@testing-library/jest-dom": "^4.2.4",
"@testing-library/react": "^9.5.0",
"@testing-library/user-event": "^7.2.1",
"antd": "^4.6.6",
"axios": "^0.20.0",
"js-cookie": "^2.2.1",
"moment": "^2.29.1",
"node-sass": "^4.14.1",
"react": "^16.13.1",
"react-dom": "^16.13.1",
"react-redux": "^7.2.1",
"react-router-dom": "^5.2.0",
"react-scripts": "3.4.3",
"redux-orm": "^0.16.2",
"source-map-explorer": "^2.5.0"
},
CRAのReduxテンプレートを使用しています。解決策はありますか？