Jestのインストール〜実行の流れ - Qiita

The following questions will help Jest to create a suitable configuration for your project ✔ Would you like to use Jest when running "test" script in "package.json"? … yes ✔ Would you like to use Typescript for the configuration file? … no ✔ Choose the test environment that will be used for testing › node ✔ Do you want Jest to add coverage reports? … no ✔ Which provider should be used to instrumen