npm · #832 most downloaded on npm

jest-docblock

30.5.0208M downloads/mojestjs/jest ↗New releases in your daily digest, changelog included.

`jest-docblock` is a package that can extract and parse a specially-formatted comment called a "docblock" at the top of a file.

Last release 1 months ago
28 Aug 2026
Ships fairly regularly
a new release about every 3 months
Most releases are documented
notes for 44 of 50 stable releases
1 version withdrawn
withdrawn after publishing
10 years old
126 releases · first in 2017

Release timeline

126 releases since 2017

2017201920212023

Releases

20.0.111 May 2017
Add ansi-regex to pretty-format dependencies
Add ansi-regex to pretty-format dependencies (#3498)

Fix <rootDir> replacement in testMatch and moduleDirectories (#3538)

Fix expect.hasAssertions() to throw when passed arguments (#3526)

Fix stack traces without proper error messages (#3513)

Fix support for custom extensions through haste packages (#3537)

Fix test contexts between test functions (#3506)
Open source →
20.0.06 May 2017Breaking
Breaking Change: Forked Jasmine 2.5 into Jest's own test runner and rewrote large parts of Jasmine.
New --projects option to run one instance of Jest in multiple projects at the same time. (#3400)

New multi project runner (#3156)

New --listTests flag. (#3441)

New --showConfig flag. (#3296)

New promise support for all expect matchers through .resolves and .rejects. (#3068)

New expect.hasAssertions() function similar to expect.assertions(). (#3379)

New this.equals function exposed to custom matchers. (#3469)

New valid-expect lint rule in eslint-plugin-jest. (#3067)

New HtmlElement pretty-format plugin. (#3230)

New Immutable pretty-format plugins. (#2899)

New test environment per file setting through @jest-environment in the docblock. (#2859)

New feature that allows every configuration option to be set from the command line. (#3424)

New feature to add custom reporters to Jest through reporters in the configuration. (#3349)

New feature to add expected and actual values to AssertionError. (#3217)

New feature to map code coverage from transformers. (#2290)

New feature to run untested code coverage in parallel. (#3407)

New option to define a custom resolver. (#2998)

New printing support for text and comment nodes in html pretty-format. (#3355)

New snapshot testing FAQ (#3425)

New support for custom platforms on jest-haste-map. (#3162)

New support for mocking native async methods. (#3209)

New guide on how to use Jest with any JavaScript framework. (#3243)

New translation system for the Jest website.

New collapsing watch mode usage prompt after first run. (#3078)

Breaking Change: Forked Jasmine 2.5 into Jest's own test runner and rewrote large parts of Jasmine. (#3147)

Breaking Change: Jest does not write new snapshots by default on CI. (#3456)

Breaking Change: Moved the typescript parser from jest-editor-support into a separate jest-test-typescript-parser package. (#2973)

Breaking Change: Replaced auto-loading of babel-polyfill with only regenerator-runtime, fixes a major memory leak. (#2755)

Fixed babel-jest to look up the babel field in package.json as a fallback.

Fixed jest-editor-support's parser to not crash on incomplete ASTs. (#3259)

Fixed jest-resolve to use is-builtin-module instead of resolve.isCore. (#2997)

Fixed jest-snapshot to normalize line endings in the serialize function. (#3002)

Fixed behavior of --silent flag. (#3003)

Fixed bug with watchers on macOS causing test to crash. (#2957)

Fixed CLI notify option not taking precedence over config option. (#3340)

Fixed detection of the npm client in SummaryReporter to support Yarn. (#3263)

Fixed done.fail not passing arguments (#3241)

Fixed fake timers to restore after resetting mocks. (#2467)

Fixed handling of babylon's parser options in jest-editor-support. (#3344)

Fixed Jest to properly cache transform results. (#3334)

Fixed Jest to use human-readable colors for Jest's own snapshots. (#3119)

Fixed jest-config to use UID for default cache folder. (#3380), (#3387)

Fixed jest-runtime to expose inner error when it fails to write to the cache. (#3373)

Fixed lifecycle hooks to make afterAll hooks operate the same as afterEach. (#3275)

Fixed pretty-format to run plugins before serializing nested basic values. (#3017)

Fixed return value of mocks so they can explicitly be set to return undefined. (#3354)

Fixed runner to run tests associated with snapshots when the snapshot changes. (#3025)

Fixed snapshot serializer require, restructured pretty-format. (#3399)

Fixed support for Babel 7 in babel-jest. (#3271)

Fixed testMatch to find tests in .folders. (#3006)

Fixed testNamePattern and testPathPattern to work better together. (#3327)

Fixed to show reject reason when expecting resolve. (#3134)

Fixed toHaveProperty() to use hasOwnProperty from Object (#3410)

Fixed watch mode's screen clearing. (#2959) (#3294)

Improved and consolidated Jest's configuration file resolution. (#3472)

Improved documentation throughout the Jest website.

Improved documentation to explicitly mention that snapshots must be reviewed. (#3203)

Improved documentation to make it clear CRA users don't need to add dependencies. (#3312)

Improved eslint-plugin-jest's handling of expect. (#3306)

Improved flow-coverage, eslint rules and test coverage within the Jest repository.

Improved printing of expect.assertions error. (#3033)

Improved Windows test coverage of Jest.

Refactored configs & transform (#3376)

Refactored reporters to pass individual Tests to reporters. (#3289)

Refactored TestRunner (#3166)

Refactored watch mode prompts. (#3290)

Deleted jest-file-exists. (#3105)

Removed Config type. (#3366)

Removed all usage of jest-file-exists. (#3101)

Adopted prettier on the Jest codebase.