\my-app> npm install --save-dev jest @testing-library/react @testing-library/jest-dom
added 270 packages, removed 21 packages, changed 6 packages, and audited 602 packages in 46s
138 packages are looking for funding
run `npm fund` for details
found 0 vulnerabilities
https://nextjs-ja-translation-docs.vercel.app/docs/testing#jest-を設定する-rust-コンパイラを利用