Taking a Look under the Hood to See How Jest Finds Related Testsby@isharafeev

Taking a Look under the Hood to See How Jest Finds Related Tests

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Jest is a popular JavaScript testing framework used in almost every project nowadays. Jest uses a custom [haste module system] for building metadata about the files and dependencies between them in an optimized way. Instead of running an entire set of tests every time you are about to commit a new change, Jest will run only tests that are actually impacted by corresponding change saving developers a great amount of time.
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@isharafeev

Ildar Sharafeev

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by Ildar Sharafeev @isharafeev.Sr Software Engineer. 12+ yoe. Passionate about frontend, micro-frontends, serverless, and clean code.
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