How do I set up a Jest configuration?

How do I set up a Jest configuration for my React project?

To set up Jest for your React project, first install Jest using npm or yarn. You can run npm install --save-dev jest.

Do I need to create a config file for Jest?

You can create a jest.config.js file for custom configurations, but Jest works out of the box for most setups.

What are some common configurations I should include?

Common configurations include setting up test environment, coverage thresholds, and module name mappings.

How can I run my tests after setting up the config?

You can run your tests by adding a script in your package.json: "test": "jest", then use npm test.