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@SimenB SimenB released this 25 Aug 12:35
· 1316 commits to main since this release
v29.0.0
75006e4

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

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

Contributors

Trim, jeffslofish, and 10 other contributors
Assets 2
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