v24.9.0

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Features

• [expect] Highlight substring differences when matcher fails, part 1 (#​8448)
• [expect] Highlight substring differences when matcher fails, part 2 (#​8528)
• [expect] Improve report when mock-spy matcher fails, part 1 (#​8640)
• [expect] Improve report when mock-spy matcher fails, part 2 (#​8649)
• [expect] Improve report when mock-spy matcher fails, part 3 (#​8697)
• [expect] Improve report when mock-spy matcher fails, part 4 (#​8710)
• [expect] Throw matcher error when received cannot be jasmine spy (#​8747)
• [expect] Improve report when negative CalledWith assertion fails (#​8755)
• [expect] Improve report when positive CalledWith assertion fails (#​8771)
• [expect] Display equal values for ReturnedWith similar to CalledWith (#​8791)
• [expect, jest-snapshot] Change color from green for some args in matcher hints (#​8812)
• [jest-snapshot] Highlight substring differences when matcher fails, part 3 (#​8569)
• [jest-core] Improve report when snapshots are obsolete (#​8665)
• [jest-cli] Improve chai support (with detailed output, to match jest exceptions) (#​8454)
• [*] Manage the global timeout with --testTimeout command line argument. (#​8456)
• [pretty-format] Render custom displayName of memoized components (#​8546)
• [jest-validate] Allow maxWorkers as part of the jest.config.js (#​8565)
• [jest-runtime] Allow passing configuration objects to transformers (#​7288)
• [@jest/core, @​jest/test-sequencer] Support async sort in custom testSequencer (#​8642)
• [jest-runtime, @​jest/fake-timers] Add jest.advanceTimersToNextTimer (#​8713)
• [@jest-transform] Extract transforming require logic within jest-core into @jest-transform (#​8756)
• [jest-matcher-utils] Add color options to matcherHint (#​8795)
• [jest-circus/jest-jasmine2] Give clearer output for Node assert errors (#​8792)
• [jest-runner] Export all types in the type signature of jest-runner (#​8825)

Fixes

• [jest-cli] Detect side-effect only imports when running --onlyChanged or --changedSince (#​8670)
• [jest-cli] Allow --maxWorkers to work with % input again (#​8565)
• [babel-plugin-jest-hoist] Expand list of whitelisted globals in global mocks (#​8429)
• [jest-core] Make watch plugin initialization errors look nice (#​8422)
• [jest-snapshot] Prevent inline snapshots from drifting when inline snapshots are updated (#​8492)
• [jest-haste-map] Don't throw on missing mapper in Node crawler (#​8558)
• [jest-core] Fix incorrect passWithNoTests warning (#​8595)
• [jest-snapshots] Fix test retries that contain snapshots (#​8629)
• [jest-mock] Fix incorrect assignments when restoring mocks in instances where they originally didn't exist (#​8631)
• [expect] Fix stack overflow when matching objects with circular references (#​8687)
• [jest-haste-map] Workaround a node >=12.5.0 bug that causes the process not to exit after tests have completed and cancerous memory growth (#​8787)

Chore & Maintenance

• [docs] Replace FlowType with TypeScript in CONTRIBUTING.MD code conventions
• [jest-leak-detector] remove code repeat (#​8438)
• [docs] Add example to jest.requireActual (#​8482)
• [docs] Add example to jest.mock for mocking ES6 modules with the factory parameter (#​8550)
• [docs] Add information about using jest.doMock with ES6 imports (#​8573)
• [docs] Fix variable name in custom-matcher-api code example (#​8582)
• [docs] Fix example used in custom environment docs (#​8617)
• [docs] Updated react tutorial to refer to new package of react-testing-library (@​testing-library/react) (#​8753)
• [docs] Updated imports of react-testing-library to @​testing-library/react in website (#​8757)
• [jest-core] Add getVersion (moved from jest-cli) (#​8706)
• [docs] Fix MockFunctions example that was using toContain instead of toContainEqual (#​8765)
• [*] Make sure copyright header comment includes license (#​8783)
• [*] Check copyright and license as one joined substring (#​8815)
• [docs] Fix WatchPlugins jestHooks.shouldRunTestSuite example that receives an object (#​8784)
• [*] Enforce LF line endings (#​8809)
• [pretty-format] Delete obsolete link and simplify structure in README (#​8824)
• [docs] Fix broken transform link on webpack page (#​9155)

Performance

• [jest-watcher] Minor optimization for JestHook (#​8746)
• [@jest/reporters] Prevent runaway CPU usage with --notify on macOS (#​8831)