To help you make up your mind, here is a list of APIs that need jsdom: Any browser globals like window and document ReactDOM.render() TestUtils.renderIntoDocument() (a shortcut for the above) mount() in Enzyme In contrast, jsdom is not needed for the following APIs: TestUtils.create...
Any other variables except NODE_ENV will be ignored to avoid accidentally exposing a private key on the machine that could have the same name. Changing any environment variables will require you to restart the development server if it is running. These environment variables will be defined for ...