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npm · #518 most downloaded on npm
**Note:** More details on user side API can be found in [Jest documentation](https://jestjs.io/docs/mock-function-api).
Last release 2 days ago
18 Sep 2026
Release timing varies
gaps range from 8 days to 6 months
Nearly every release is documented
notes for 60 of the last 60 stable releases
1 version withdrawn
withdrawn after publishing
11 years old
255 releases · first in 2016
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Added testRegex to match for tests outside of specific folders. Deprecated both testDirectoryName and testFileExtensions.
jest package on npm.testRegex to match for tests outside of specific folders. Deprecated both testDirectoryName and testFileExtensions.it can now return a Promise for async testing. pit was deprecated.jest-resolve as a standalone package based on the Facebook module resolution algorithm.jest-changed-files as a standalone package to detect changed files in a git or hg repo.--setupTestFrameworkFile to cli.module.filename and removed the invalid module.__filename field.lastCalledWith and toBeCalledWith custom matchers. They now print the most recent calls.One column per quarter.
Bug fixes when running a single test file and for scoped package names.
Added custom equality matchers for Map/Set and iterables.
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
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