Delightful JavaScript testing
Meta's zero-config test runner: the default of the JavaScript ecosystem for a decade.
Meta's 2014 test runner made testing mainstream: zero-config, snapshots, mocking built in. Still the default in many stacks, though Vitest took the modern crowd. The library that taught an ecosystem to test.
Who it's for
JavaScript teams that want the classic, batteries-included testing framework for units and snapshots.
Official links
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