v29.2.2

Fixes

• [@jest/test-sequencer] Make sure sharding does not produce empty groups (#13476)
• [jest-circus] Test marked as todo are shown as todo when inside a focussed describe (#13504)
• [jest-mock] Ensure mock resolved and rejected values are promises from correct realm (#13503)
• [jest-snapshot] Don't highlight passing asymmetric property matchers in snapshot diff (#13480)

Chore & Maintenance

• [docs] Update link to Jest 28 upgrade guide in error message (#13483)
• [jest-runner, jest-watcher] Update emittery (#13490)

New Contributors

• @moonrailgun made their first contribution in #13483
• @halldorbjarni made their first contribution in #13491

Full Changelog: v29.2.1...v29.2.2

v29.2.1

Features

• [@jest/globals, jest-mock] Add jest.Spied* utility types (#13440)

Fixes

• [jest-environment-node] make globalThis.performance writable for Node 19 and fake timers (#13467)
• [jest-mock] Revert #13398 to restore mocking of setters (#13472)

Performance

• [*] Use sha1 instead of sha256 for hashing (#13421)

Full Changelog: v29.2.0...v29.2.1

v29.2.0

Features

• [@jest/cli, jest-config] A seed for the test run will be randomly generated, or set by a CLI option (#13400)
• [@jest/cli, jest-config] --show-seed will display the seed value in the report, and can be set via a CLI flag or through the config file (#13400)
• [jest-config] Add readInitialConfig utility function (#13356)
• [jest-core] Allow testResultsProcessor to be async (#13343)
• [@jest/environment, jest-environment-node, jest-environment-jsdom, jest-runtime] Add getSeed() to the jest object (#13400)
• [expect, @jest/expect-utils] Allow isA utility to take a type argument (#13355)
• [expect] Expose AsyncExpectationResult and SyncExpectationResult types (#13411)

Fixes

• [babel-plugin-jest-hoist] Ignore TSTypeQuery when checking for hoisted references (#13367)
• [jest-core] Fix detectOpenHandles false positives for some special objects such as TLSWRAP (#13414)
• [jest-mock] Fix mocking of getters and setters on classes (#13398)
• [jest-reporters] Revert: Transform file paths into hyperlinks (#13399)
• [@jest/types] Infer type of each table correctly when the table is a tuple or array (#13381)
• [@jest/types] Rework typings to allow the *ReturnedWith matchers to be called with no argument (#13385)

Chore & Maintenance

• [*] Update @babel/* deps, resulting in slightly different stack traces for each (#13422)

Performance

• [jest-runner] Do not instrument v8 coverage data if coverage should not be collected (#13282)

New Contributors

• @johannessjoberg made their first contribution in #13343
• @mitchhentgesspotify made their first contribution in #13282
• @Methuselah96 made their first contribution in #13409
• @jhwang98 made their first contribution in #13400
• @professorjrod made their first contribution in #13418
• @jesusarell made their first contribution in #13407

Full Changelog: v29.1.2...v29.2.0

v29.1.2

Fixes

• [expect, @jest/expect] Revert buggy inference of argument types for *CalledWith and *ReturnedWith matchers introduced in 29.1.0 (#13339)
• [jest-worker] Add missing dependency on jest-util (#13341)

New Contributors

• @brunocabral88 made their first contribution in #13329
• @alexander-akait made their first contribution in #13341

Full Changelog: v29.1.1...v29.1.2

v29.1.1

Fixes

• [jest-mock] Revert #13145 which broke mocking of transpiled ES modules

Full Changelog: v29.1.0...v29.1.1

v29.1.0

Features

• [expect, @jest/expect] support type inference for function parameters in CalledWith assertions (#13268)
• [expect, @jest/expect] Infer type of *ReturnedWith matchers argument (#13278)
• [@jest/environment, jest-runtime] Allow jest.requireActual and jest.requireMock to take a type argument (#13253)
• [@jest/environment] Allow jest.mock and jest.doMock to take a type argument (#13254)
• [@jest/fake-timers] Add jest.now() to return the current fake clock time (#13244, #13246)
• [@jest/mock] Add withImplementation method for temporarily overriding a mock (#13281)
• [expect] Export toThrow* matchers (#13328)

Fixes

• [jest-circus, jest-jasmine2] Fix error messages for Node's assert.throes (#13322)
• [jest-haste-map] Remove __proto__ usage (#13256)
• [jest-mock] Improve spyOn typings to handle optional properties (#13247)
• [jest-mock] Fix mocking of getters and setters on classes (#13145)
• [jest-snapshot] Throw useful error when an array is passed as property matchers (#13263)
• [jest-snapshot] Prioritize parser used in the project (#13323)
• [jest-transform] Attempt to work around issues with atomic writes on Windows (#11423)

New Contributors

• @fzn0x made their first contribution in #13234
• @guimard made their first contribution in #13256
• @weidehai made their first contribution in #13270
• @kettanaito made their first contribution in #12871
• @royhadad made their first contribution in #13279
• @ghiscoding made their first contribution in #13290
• @paulreece made their first contribution in #13311
• @jeppester made their first contribution in #13281
• @sashashura made their first contribution in #13324
• @lpizzinidev made their first contribution in #13322
• @JVBorges made their first contribution in #13323
• @staplespeter made their first contribution in #13145

Full Changelog: v29.0.3...v29.1.0

v29.0.3

Features

• [@jest/environment, jest-runtime] Allow passing a generic type argument to jest.createMockFromModule<T>() method (#13202)
• [expect] Expose ExpectationResult type (#13240)
• [jest-snapshot] Expose Context type (#13240)
• [@jest/globals] Add jest.Mock type helper (#13235)

Fixes

• [jest-core] Capture execError during TestScheduler.scheduleTests and dispatch to reporters (#13203)
• [jest-resolve] Make sure to resolve module paths after looking at exports (#13242)
• [jest-resolve] Improve error on module not found deep in the require stack (#8704)
• [jest-snapshot] Fix typings of snapshot matchers (#13240)

Chore & Maintenance

• [*] Fix inconsistent workspace prefixes (#13217)
• [jest-haste-map] Expose a minimal public API to TypeScript (#13023)

New Contributors

• @iamWing made their first contribution in #13191
• @shinxi made their first contribution in #12930
• @bmish made their first contribution in #13217
• @maschwenk made their first contribution in #13226

Full Changelog: v29.0.2...v29.0.3

v29.0.2

Features

• [jest-transform] Expose TransformFactory type (#13184)

Fixes

• [babel-plugin-jest-hoist] Support imported jest in mock factory (#13188)
• [jest-mock] Align the behavior and return type of generateFromMetadata method (#13207)
• [jest-runtime] Support jest.resetModules() with ESM (#13211)

New Contributors

• @momokid made their first contribution in #13194

Full Changelog: v29.0.1...v29.0.2

v29.0.1

Fixes

• [jest-snapshot] Pass snapshotFormat through when diffing snapshots (#13181)

Full Changelog: v29.0.0...v29.0.1

v29.0.0

Blog post: https://jestjs.io/blog/2022/08/25/jest-29

Features

• [expect] [BREAKING] Differentiate between MatcherContext MatcherUtils and MatcherState types (#13141)
• [jest-circus] Add support for test.failing.each (#13142)
• [jest-config] [BREAKING] Make snapshotFormat default to escapeString: false and printBasicPrototype: false (#13036)
• [jest-config] [BREAKING] Remove undocumented collectCoverageOnlyFrom option (#13156)
• [jest-environment-jsdom] [BREAKING] Upgrade to jsdom@20 (#13037, #13058)
• [@jest/globals] Add jest.Mocked, jest.MockedClass, jest.MockedFunction and jest.MockedObject utility types (#12727)
• [jest-mock] [BREAKING] Refactor Mocked* utility types. MaybeMockedDeep and MaybeMocked became Mocked and MockedShallow respectively; only deep mocked variants of MockedClass, MockedFunction and MockedObject are exported (#13123, #13124)
• [jest-mock] [BREAKING] Change the default jest.mocked helper’s behavior to deep mocked (#13125)
• [jest-snapshot] [BREAKING] Let babel find config when updating inline snapshots (#13150)
• [@jest/test-result, @jest/types] [BREAKING] Replace Bytes and Milliseconds types with number (#13155)
• [jest-worker] Adds workerIdleMemoryLimit option which is used as a check for worker memory leaks >= Node 16.11.0 and recycles child workers as required (#13056, #13105, #13106, #13107)
• [pretty-format] [BREAKING] Remove ConvertAnsi plugin in favour of jest-serializer-ansi-escapes (#13040)
• [pretty-format] Allow to opt out from sorting object keys with compareKeys: null (#12443)

Fixes

• [jest-config] Fix testing multiple projects with TypeScript config files (#13099)
• [@jest/expect-utils] Fix deep equality of ImmutableJS Record (#13055)
• [jest-haste-map] Increase the maximum possible file size that jest-haste-map can handle (#13094)
• [jest-runtime] Properly support CJS re-exports from dual packages (#13170)
• [jest-snapshot] Make prettierPath optional in SnapshotState (#13149)
• [jest-snapshot] Fix parsing error from inline snapshot files with JSX (#12760)
• [jest-worker] When a process runs out of memory worker exits correctly and doesn't spin indefinitely (#13054)

Chore & Maintenance

• [*] [BREAKING] Drop support for Node v12 and v17 (#13033)
• [docs] Fix webpack name (#13049)
• [docs] Explicit how to set n for --bail (#13128)
• [docs] Update Enzyme URL (#13166)
• [jest-leak-detector] Remove support for weak-napi (#13035)
• [jest-snapshot] [BREAKING] Require rootDir as argument to SnapshotState (#13150)

New Contributors

• @makstech made their first contribution in #13049
• @sa2taka made their first contribution in #13055
• @matheus-rodrigues00 made their first contribution in #13090
• @lanpai made their first contribution in #13094
• @zebreus made their first contribution in #13099
• @backmask made their first contribution in #13106
• @liuxingbaoyu made their first contribution in #13120
• @Trim made their first contribution in #13128
• @kkyusufk made their first contribution in #13142
• @KrishnaPG made their first contribution in #13157
• @dev-itsheng made their first contribution in #13115
• @jeffslofish made their first contribution in #13166

Full Changelog: v28.1.3...v29.0.0