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javascriptで生成したcreate-react-appをTypeScript化する

Last updated at Posted at 2019-11-24

概要

javascriptで生成したcreate-react-appをTypeScript化する

手順

TypeScript用のパッケージをインストールする。

npm install --save typescript @types/node @types/react @types/react-dom @types/jest

React-Router, Reduxを使っている場合、

npm install --save @types/react-router @types/react-router-dom
npm install --save @types/react-redux

ファイル名を .js から .tsx へ変更する。

型宣言してないことによるエラーが出るので、一気にやらないのを推奨。

参考

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