v29.7.0

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Features

• [create-jest] Add npm init / yarn create initialiser for Jest projects (#​14465)
• [jest-validate] Allow deprecation warnings for unknown options (#​14499)

Fixes

• [jest-resolver] Replace unmatched capture groups in moduleNameMapper with empty string instead of undefined (#​14507)
• [jest-snapshot] Allow for strings as well as template literals in inline snapshots (#​14465)
• [@jest/test-sequencer] Calculate test runtime if perStats.duration is missing (#​14473)

Performance

• [@jest/create-cache-key-function] Cache access of NODE_ENV and BABEL_ENV (#​14455)

Chore & Maintenance

• [jest-cli] Move internal config initialisation logic to the create-jest package (#​14465)

New Contributors

• @​bawjensen made their first contribution in #​14465
• @​malaviya-parth made their first contribution in #​14467
• @​niklasholm made their first contribution in #​14507

Full Changelog: jestjs/jest@v29.6.4...v29.7.0

v29.6.4

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Fixes

• [jest-core] Fix typo in scheduleAndRun performance marker (#​14434)
• [jest-environment-node] Make sure atob and btoa are writeable in Node 20 (#​14446)
• [jest-worker] Additional error wrapper for parentPort.postMessage to fix unhandled DataCloneError. (#​14437)

New Contributors

• @​stanleyume made their first contribution in #​14424
• @​dj-stormtrooper made their first contribution in #​14437
• @​thw0rted made their first contribution in #​14444

Full Changelog: jestjs/jest@v29.6.3...v29.6.4

v29.6.3

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Fixes

• [expect, @​jest/expect-utils] ObjectContaining support symbol as key (#​14414)
• [expect] Remove @types/node from dependencies (#​14385)
• [jest-core] Use workers in watch mode by default to avoid crashes (#​14059 & #​14085).
• [jest-reporters] Update istanbul-lib-instrument dependency to v6. (#​14401)
• [jest-mock] Revert #​13692 as it was a breaking change (#​14429)
• [jest-mock] Revert #​13866 as it was a breaking change (#​14429)
• [jest-mock] Revert #​13867 as it was a breaking change (#​14429)
• [@jest/reporters] Marks Reporter's hooks as optional (#​14433)
• [jest-runtime] Fix dynamic ESM import module bug when loaded module through jest.isolateModulesAsync (#​14397)

Chore & Maintenance

• [jest-changed-files, jest-circus, jest-console, @​jest/core, @​jest/runtime, @​jest/transform] Use invariant and notEmpty from jest-util rather than own internal (#​14366)

New Contributors

• @​karlnorling made their first contribution in #​14401
• @​vinicinbgs made their first contribution in #​14388
• @​panteleevnikita made their first contribution in #​14433

Full Changelog: jestjs/jest@v29.6.2...v29.6.3

v29.6.2

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Fixes

• [jest-circus] Fix snapshot matchers in concurrent tests when nr of tests exceeds maxConcurrency (#​14335)
• [@jest/core] When running global setup and teardown, do not try to change the message property of the thrown error object when the message property is unwritable (#​14113)
• [jest-snapshot] Move @types/prettier from dependencies to devDependencies (#​14328)
• [jest-snapshot] Throw an explicit error if Prettier v3 is used (#​14367)
• [jest-reporters] Add "skipped" and "todo" symbols to Github Actions Reporter (#​14309)

Chore & Maintenance

• [@jest/core] Use pluralize from jest-util rather than own internal (#​14322)

New Contributors

• @​Kloen made their first contribution in #​14328
• @​eryue0220 made their first contribution in #​14322
• @​david-szabo97 made their first contribution in #​14113

Full Changelog: jestjs/jest@v29.6.1...v29.6.2

v29.6.1

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Fixes

• [jest-circus] Revert #​14110 as it was a breaking change (#​14304)

Full Changelog: jestjs/jest@v29.6.0...v29.6.1

v29.6.0

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Features

• [jest-circus, jest-snapshot] Add support for snapshot matchers in concurrent tests (#​14139)
• [jest-cli] Include type definitions to generated config files (#​14078)
• [jest-snapshot] Support arrays as property matchers (#​14025)
• [jest-core, jest-circus, jest-reporter, jest-runner] Added support for reporting about start individual test cases using jest-circus (#​14174)

Fixes

• [jest-circus] Prevent false test failures caused by promise rejections handled asynchronously (#​14110)
• [jest-config] Handle frozen config object (#​14054)
• [jest-config] Allow coverageDirectory and collectCoverageFrom in project config (#​14180)
• [jest-core] Always use workers in watch mode to avoid crashes (#​14059).
• [jest-environment-jsdom, jest-environment-node] Fix assignment of customExportConditions via testEnvironmentOptions when custom env subclass defines a default value (#​13989)
• [jest-matcher-utils] Fix copying value of inherited getters (#​14007)
• [jest-mock] Tweak typings to allow jest.replaceProperty() replace methods (#​14008)
• [jest-mock] Improve user input validation and error messages of spyOn and replaceProperty methods (#​14087)
• [jest-runtime] Bind jest.isolateModulesAsync to this (#​14083)
• [jest-runtime] Forward wrapperLength to the Script constructor as columnOffset for accurate debugging (#​14148)
• [jest-runtime] Guard _isMockFunction access with in (#​14188)
• [jest-snapshot] Fix a potential bug when not using prettier and improve performance (#​14036)
• [@jest/transform] Do not instrument .json modules (#​14048)
• [jest-worker] Restart a shut down worker before sending it a task (#​14015)

Chore & Maintenance

• [*] Update semver dependency to get vulnerability fix (#​14262)
• [docs] Updated documentation for the --runTestsByPath CLI command (#​14004)
• [docs] Updated documentation regarding the synchronous fallback when asynchronous code transforms are unavailable (#​14056)
• [docs] Update jest statistics of use and downloads in website Index.

New Contributors

• @​huntie made their first contribution in #​13989
• @​liammulh made their first contribution in #​14001
• @​BenceSzalai made their first contribution in #​14007
• @​Mike-Dax made their first contribution in #​14056
• @​bakasmarius made their first contribution in #​14025
• @​PeteTheHeat made their first contribution in #​14015
• @​tjenkinson made their first contribution in #​14083
• @​soyjuanmacias made their first contribution in #​14101
• @​bharathkalyans made their first contribution in #​14154
• @​itzjacki made their first contribution in #​14165
• @​DmitryMakhnev made their first contribution in #​14174
• @​BobdenOs made their first contribution in #​14148
• @​william-lai-927 made their first contribution in #​14179
• @​bakamitai456 made their first contribution in #​14045
• @​rbuckton made their first contribution in #​14188
• @​barbados-clemens made their first contribution in #​14180
• @​rburdet made their first contribution in #​14197
• @​cw1997 made their first contribution in #​14184
• @​renovate made their first contribution in #​14209
• @​stekycz made their first contribution in #​14110
• @​ziyad-elabid-nw made their first contribution in #​14262

Full Changelog: jestjs/jest@v29.5.0...v29.6.0

v29.5.0

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Features

• [jest-changed-files] Support Sapling (#​13941)
• [jest-circus, @​jest/cli, jest-config] Add feature to randomize order of tests via CLI flag or through the config file(#​12922)
• [jest-cli, jest-config, @​jest/core, jest-haste-map, @​jest/reporters, jest-runner, jest-runtime, @​jest/types] Add workerThreads configuration option to allow using worker threads for parallelization (#​13939)
• [jest-cli] Export yargsOptions (#​13970)
• [jest-config] Add openHandlesTimeout option to configure possible open handles warning. (#​13875)
• [@jest/create-cache-key-function] Allow passing length argument to createCacheKey() function and set its default value to 16 on Windows (#​13827)
• [jest-message-util] Add support for AggregateError (#​13946 & #​13947)
• [jest-message-util] Add support for Error causes in test and it (#​13935 & #​13966)
• [jest-reporters] Add summaryThreshold option to summary reporter to allow overriding the internal threshold that is used to print the summary of all failed tests when the number of test suites surpasses it (#​13895)
• [jest-runtime] Expose @sinonjs/fake-timers async APIs functions advanceTimersByTimeAsync(msToRun) (tickAsync(msToRun)), advanceTimersToNextTimerAsync(steps) (nextAsync), runAllTimersAsync (runAllAsync), and runOnlyPendingTimersAsync (runToLastAsync) (#​13981)
• [jest-runtime, @​jest/transform] Allow V8 coverage provider to collect coverage from files which were not loaded explicitly (#​13974)
• [jest-snapshot] Add support to cts and mts TypeScript files to inline snapshots (#​13975)
• [jest-worker] Add start method to worker farms (#​13937)
• [jest-worker] Support passing a URL as path to worker (#​13982)

Fixes

• [babel-plugin-jest-hoist] Fix unwanted hoisting of nested jest usages (#​13952)
• [jest-circus] Send test case results for todo tests (#​13915)
• [jest-circus] Update message printed on test timeout (#​13830)
• [jest-circus] Avoid creating the word "testfalse" when takesDoneCallback is false in the message printed on test timeout AND updated timeouts test (#​13954)
• [jest-environment-jsdom] Stop setting document to null on teardown (#​13972)
• [@jest/expect-utils] Update toStrictEqual() to be able to check jest.fn().mock.calls (#​13960)
• [@jest/test-result] Allow TestResultsProcessor type to return a Promise (#​13950)

Chore & Maintenance

• [jest-snapshot] Remove dependency on jest-haste-map (#​13977)

New Contributors

• @​frosas made their first contribution in facebook#13932
• @​akshitsinha made their first contribution in facebook#13915
• @​trajano made their first contribution in facebook#13827
• @​DercilioFontes made their first contribution in facebook#13954
• @​jsnajdr made their first contribution in facebook#13952
• @​SteveFlames made their first contribution in facebook#13895
• @​willc001 made their first contribution in facebook#13970
• @​benjaminhobbs made their first contribution in facebook#13901

Full Changelog: jestjs/jest@v29.4.3...v29.5.0

v29.4.3

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Features

• [expect] Update toThrow() to be able to use error causes (#​13606)
• [jest-core] allow to use workerIdleMemoryLimit with only 1 worker or runInBand option (#​13846)
• [jest-message-util] Add support for error causes (#​13868 & #​13912)
• [jest-runtime] Revert import assertions for JSON modules as it's been relegated to Stage 2 (#​13911)

Fixes

• [@jest/expect-utils] subsetEquality should consider also an object's inherited string keys (#​13824)
• [jest-mock] Clear mock state when jest.restoreAllMocks() is called (#​13867)
• [jest-mock] Prevent mockImplementationOnce and mockReturnValueOnce bleeding into withImplementation (#​13888)
• [jest-mock] Do not restore mocks when jest.resetAllMocks() is called (#​13866)

New Contributors

• @​brodo made their first contribution in facebook#13868
• @​DannyNemer made their first contribution in facebook#13878
• @​ghusse made their first contribution in facebook#13846
• @​broofa made their first contribution in facebook#13911

Full Changelog: jestjs/jest@v29.4.2...v29.4.3

v29.4.2

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Features

• [@jest/core] Instrument significant lifecycle events with performance.mark() (#​13859)

Fixes

• [expect, @​jest/expect] Provide type of actual as a generic argument to Matchers to allow better-typed extensions (#​13848)
• [jest-circus] Added explicit mention of test failing because done() is not being called in error message (#​13847)
• [jest-runtime] Handle CJS re-exports of node core modules from ESM (#​13856)
• [jest-transform] Downgrade write-file-atomic to v4 (#​13853)
• [jest-worker] Ignore IPC messages not intended for Jest (#​13543)

Chore & Maintenance

• [*] make sure to exclude .eslintcache from published module (#​13832)
• [docs] Cleanup incorrect links in CHANGELOG.md (#​13857)

New Contributors

• @​benjaminjkraft made their first contribution in facebook#13848
• @​LinusU made their first contribution in facebook#13543
• @​SuperSodaSea made their first contribution in facebook#13857
• @​kowalski made their first contribution in facebook#13856

Full Changelog: jestjs/jest@v29.4.1...v29.4.2