YOU SAID:

1) Will we build the new Reactjs project for this features or we had already source code that had some existing functions?

INTO JAPANESE

1）この機能のために新しいReactjsプロジェクトをビルドしますか、それとも既存の機能を備えたソースコードがすでにありましたか？

BACK INTO ENGLISH

1) Do you want to build a new Reactjs project for this feature, or did you already have source code with existing features?

INTO JAPANESE

1）この機能用の新しいReactjsプロジェクトを構築しますか、それとも既存の機能を備えたソースコードを既に持っていましたか？

BACK INTO ENGLISH

1) Do you want to build a new Reactjs project for this feature, or did you already have source code with existing features?