26.6.2

Features

• [jest-core] Add findRelatedTests and nonFlagArgs in allowed config options for updateConfigAndRun in watch plugins (#10659)

Fixes

• [babel-plugin-jest-hoist] Preserve order of hoisted mock nodes within containing block (#10536)
• [babel-plugin-jest-hoist] Hoist pure constants to support experimental JSX transform in hoisted mocks (#10723)
• [babel-preset-jest] Update babel-preset-current-node-syntax to support top level await (#10747)
• [expect] Revert "Fix objectContaining to work recursively into sub-objects (#10508)" (#10766)
• [jest-circus, jest-jasmine2] fix: don't assume stack is always a string (#10697)
• [jest-config] Fix bug introduced in watch mode by PR #10678 (#10692)
• [jest-config] Throw correct error for missing preset modules (#10737)
• [jest-resolve-dependencies] Resolve mocks as dependencies (#10713)
• [jest-runtime] Handle file URLs in dynamic imports (#10744)
• [jest-runtime, babel-jest] Pass more ESM options to @jest/transform (#10752)
• [jest-runtime] Properly inject extraGlobals into the runtime (#10758)
• [jest-transform] Link to ESM docs on syntax errors (#10748)

Chore & Maintenance

• [docs] Add docs for using mocks in TypeScript (#10415)
• [eslint-config-fb-strict] Move package from this repo to fbjs repo (#10739)
• [examples] Update TypeScript example to show use of newer Jest types (#10399)
• [jest-cli] chore: standardize files and folder names (#10698)
• [jest-config] Switch ts-node Register type to Service due to deprecation (#11210)

26.5.0

Features

• [jest-circus, jest-config, jest-runtime] Add new injectGlobals config and CLI option to disable injecting global variables into the runtime (#10484)
• [jest-each] Fixes .each type to always be callable (#10447)
• [jest-runner] Add support for moduleLoaders with default exports (#10541)
• [@jest/create-cache-key-function] Added a new package for creating cache keys (#10587)

Fixes

• [jest-circus, jest-jasmine2] Find correct location for test.each tests (#10413)
• [jest-console] Add Console constructor to console object (#10502)
• [jest-globals] Fix lifecycle hook function types (#10480)
• [jest-runtime] Remove usage of vm.compileFunction due to a performance issue (#10586)

Chore & Maintenance

• [jest-resolve] Replace read-pkg-up with escalade package (10558)
• [jest-environment-jsdom] Update jsdom to 16.4.0 (10578)

26.3.0

Features

• [jest-circus, jest-jasmine2] Include failureDetails property in test results (#9496)
• [jest-each, jest-jasmine, jest-circus] Add support for .concurrent.each (#9326)

Fixes

• [jest-config] Add .pnp.js to transformIgnorePatterns defaults (#10383)
• [jest-leak-detector] Wait properly for GC runs due to changes in Node 14.7 (#10366)
• [jest-worker] Downgrade minimum node version to 10.13 (#10352)
• [docs] Update snapshot testing documentation(#10359)

26.2.0

Features

• [jest-core, jest-circus, jest-reporter, jest-runner] Added support for reporting individual test cases using jest-circus (#10227)
• [jest-config, jest-reporter, jest-runner, jest-test-sequencer] Add slowTestThreshold configuration option (#9366)
• [jest-haste-map] Watchman crawler now includes dotfiles (#10075)
• [jest-worker] Added support for workers to send custom messages to parent in jest-worker (#10293)
• [jest-worker] Support passing resourceLimits (#10335)
• [pretty-format] Added support for serializing custom elements (web components) (#10237)

Fixes

• [expect] Match symbols and bigints in any() (#10223)
• [jest-changed-files] Use git diff instead of git log for --changedSince (#10155)
• [jest-console] Add missing console.timeLog for compatibility with Node (#10209)
• [jest-haste-map] Check find binary supports the -iname parameter (#10308)
• [jest-snapshot] Strip added indentation for inline error snapshots (#10217)

Chore & Maintenance

• [*] Add missing dependency on @types/node (#10248)
• [jest-jasmine2] Convert PCancelable to TypeScript (#10215)
• [jest-jasmine2] Refine typings of queueRunner (#10215)
• [jest-jasmine2] Remove usage of Function type (#10216)
• [jest-resolve] Improve types (#10239)
• [docs] Clarify the jest.requireActual(moduleName) example
• [jest-types] Refine typings of coverageReporters (#10275)

26.1.0

Features

• [jest-mock] Export Mock, MockInstance, SpyInstance types (#10138)
• [jest-config] Support config files exporting (async) functions (#10001)
• [jest-cli, jest-core] Add --selectProjects CLI argument to filter test suites by project name (#8612)
• [jest-cli, jest-init] Add coverageProvider to jest --init prompts (#10044)

Fixes

• [jest-console] getConsoleOutput to receive global stack trace config and use it to format stack trace (#10081)
• [jest-jasmine2] Stop adding : after an error that has no message (#9990)
• [jest-diff] Control no diff message color with commonColor in diff options (#9997)
• [jest-snapshot] Fix TypeScript compilation (#10008)

Chore & Maintenance

• [docs] Correct confusing filename in enableAutomock example (#10055)
• [jest-core] 🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉 (#10000)
• [jest-core, jest-reporters, jest-test-result, jest-types] Cleanup displayName type (#10049)
• [jest-runtime] Jest-internal sandbox escape hatch (#9907)
• [jest-fake-timers] Update now param type to support Date in addition to number. (#10169)
• [docs] Add param to setSystemTime docs and remove preceding period from it and getRealSystemTime (#10169)
• [jest-snapshot, jest-util] Replace make-dir with fs.mkdir (#10136)
• [docs] Added parcel-bundler documentation inside readme.md file

Performance

• [jest-core, jest-transform, jest-haste-map] Improve Jest startup time and test runtime, particularly when running with coverage, by caching micromatch and avoiding recreating RegExp instances (#10131)

26.0.0

Features

• [jest-environment-jsdom] [BREAKING] Upgrade jsdom to v16 (#9606)
• [@jest/fake-timers] Add possibility to use a modern implementation of fake timers, backed by @sinonjs/fake-timers (#7776)
• [jest-runtime] Add createMockFromModule as an alias for genMockFromModule (#9962)

Fixes

• [babel-jest] Handle null being passed to createTransformer (#9955)
• [jest-circus, jest-console, jest-jasmine2, jest-reporters, jest-util, pretty-format] Fix time durating formatting and consolidate time formatting code (#9765)
• [jest-circus] [BREAKING] Fail tests if a test takes a done callback and have return values (#9129)
• [jest-circus] [BREAKING] Throw a proper error if a test / hook is defined asynchronously (#8096)
• [jest-circus] Throw more descriptive error if hook is defined inside test (#9957)
• [jest-circus] [BREAKING] Align execution order of tests to match jasmine's top to bottom order (#9965)
• [jest-config, jest-resolve] [BREAKING] Remove support for browser field (#9943)
• [jest-haste-map] Stop reporting files as changed when they are only accessed (#7347)
• [jest-resolve] Show relative path from root dir for module not found errors (#9963)
• [jest-runtime] Fix absolute path moduleNameMapper + jest.mock bug (#8727)

Chore & Maintenance

• [*] [BREAKING] TypeScript definitions requires a minimum of TypeScript v3.8 (#9823)
• [*] [BREAKING] Drop support for Node 8 (#9423)
• [*] Upgrade to chalk@4 (#9752)
• [*] Remove usage of realpath-native (#9952)
• [docs] Fix example reference implementation to use Jest with Phabricator (#8662)
• [docs] Added default compiler to transform (#8583)
• [docs] Updated Testing Frameworks guide with React; make it generic (#9106)
• [expect, jest-mock, pretty-format] [BREAKING] Remove build-es5 from package (#9945)
• [@jest/fake-timers, @jest/environment] [BREAKING] Rename LolexFakeTimers to ModernFakeTimers (#9960)
• [jest-haste-map] [BREAKING] removed providesModuleNodeModules (#8535)
• [jest-runtime] [BREAKING] Remove long-deprecated require.requireActual and require.requireMock methods (#9854)

25.5.0

Features

• [@jest/globals] New package so Jest's globals can be explicitly imported (#9801)
• [jest-core] Show coverage of sources related to tests in changed files (#9769)
• [jest-runtime] Populate require.cache (#9841)

Fixes

• [*] Use graceful-fs directly in every package instead of relying on fs being monkey patched (#9443)
• [expect] Prints the Symbol name into the error message with a custom asymmetric matcher (#9888)
• [jest-circus, jest-jasmine2] Support older version of jest-runtime (#9903 & #9842)
• [@jest/environment] Make sure not to reference Jest types (#9875)
• [jest-message-util] Code frame printing should respect --noStackTrace flag (#9866)
• [jest-runtime] Support importing CJS from ESM using import statements (#9850)
• [jest-runtime] Support importing parallel dynamic imports (#9858)
• [jest-transform] Improve source map handling when instrumenting transformed code (#9811)

Chore & Maintenance

• [docs] Add an example for mocking non-default export class

Performance

• [jest-resolve] Update resolve to a version using native realpath, which is faster than the default JS implementation (#9872)
• [jest-resolve] Pass custom cached realpath function to resolve (#9873)
• [jest-runtime] Add teardown method to clear any caches when tests complete (#9906)
• [jest-runtime] Do not pass files required internally through transformation when loading them (#9900)
• [jest-runtime] Use Maps instead of object literals as cache holders (#9901)