How can I optimize my Jest tests for better performance?
An example of an AI chatbot conversation about optimizing Jest tests for better performance.
How can I optimize my Jest tests for better performance?
You can optimize Jest tests by reducing the number of tests run in parallel, using test filters, and mocking dependencies.
What are some specific strategies for reducing test execution time?
Consider using the --runInBand option to run tests sequentially, and also look into using jest --detectOpenHandles to identify slow tests.
Are there any tools or plugins that can help with this?
Yes, tools like jest-runner-eslint can help catch issues early, and jest-watch-typeahead can speed up your workflow.
How do I identify which tests are slowing down my suite?
You can use the --logHeapUsage flag to monitor memory usage and identify tests that consume excessive resources.
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