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@NaotoNext(Machida Naoto)

VScodeでTSを使うと出るCannot use JSX unless the '--jsx' flag is provided. ts(17004)を解決する。

Posted at

#はじめに
create-react-appを実行し、いざ開発を始めようとしたらこんなエラーが
Cannot use JSX unless the '--jsx' flag is provided. ts(17004)
なんぞこれ。

#解決方法

どうやらVScodeでのTypeScriptのバージョンが違うらしい。
ということでTypeScriptのバージョンを変えてみる。

Ctrl+Shift+pで開き、TypeScript selectでバージョンを選択
スクリーンショット 2021-04-04 18.32.26.png

ここでバージョンを4.2.3に変更

スクリーンショット 2021-04-04 18.33.26.png

これでエラーが出なくなりました！
スクリーンショット 2021-04-04 18.34.17.png

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