How can I measure code coverage in a Jest and TypeScript project?
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How can I measure code coverage in a Jest and TypeScript project?
You can measure code coverage in a Jest and TypeScript project by using the --coverage flag when running your tests. Make sure you have the necessary configurations in your jest.config.js file.
What configurations do I need in jest.config.js?
In your jest.config.js, you should include the collectCoverage option set to true, and specify the coverageDirectory where the coverage reports will be saved.
Can I exclude certain files from coverage?
Yes, you can exclude files by using the coveragePathIgnorePatterns option in your Jest configuration. Just add the paths you want to ignore.
How do I view the coverage report after running the tests?
After running your tests with coverage, you can view the report in the specified coverageDirectory. Open the index.html file in a browser to see a detailed report.
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