github jestjs/jest v28.0.0-alpha.1

pre-release2 years ago

Features

  • [babel-jest] Export createTransformer function (#12399)
  • [expect] Expose AsymmetricMatchers, MatcherFunction and MatcherFunctionWithState interfaces (#12363, #12376)
  • [jest-config, @jest/types] Add ci to GlobalConfig (#12378)
  • [@jest/schemas] New module for JSON schemas for Jest's config (#12384)

Fixes

  • [jest-config] Correctly detect CI environment and update snapshots accordingly (#12378)
  • [jest-config] Pass moduleTypes to ts-node to enforce CJS when transpiling (#12397)

Chore & Maintenance

  • [docs, examples] Update React examples to match with the new React guidelines for code examples (#12217)
  • [docs] Add note about not mixing done() with Promises (#11077)
  • [jest-serializer] [BREAKING] Deprecate package in favour of using v8 APIs directly (#12391)

New Contributors

Full Changelog: v28.0.0-alpha.0...v28.0.0-alpha.1

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