CRA is well known for bootstrapping a React App. It hides the complexity of bundling and configuration over react-scripts. However, in some scenarios, it's very hard to customize CRA for a specific purpose. Make Jest Preview works seamlessly with CRA is an example.
Currently, there is no way to customize CRA's jest.config.js file easily. So, Jest Preview bundles a few CLIs to make integrating Jest Preview to CRA effortless. We hope with this built-in helper CLI, CRA users can adopt Jest Preview easier.
First class support for Create React App
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Author of Jest Preview