As you may have noticed, we mentioned that using usePreloadedQuery will render data from a query that was (or is) being… If you wish to access error information in your application to display user friendly messages, the recommended approach is to model and expose the error information as part of your GraphQL schema. 要するに、ユーザーにわかりやすいエラー情報を表示したければ、Schema の Model 情報としてエラー設計しなさいよ、ということだ。 そのまま Relay のド