All Versions
77
Latest Version
Avg Release Cycle
8 days
Latest Release
22 days ago

Changelog History
Page 4

  • v25.2.6

    April 02, 2020

    ๐Ÿšง Chore & Maintenance

    • [*] 25.2.5 was published without changes from 25.2.4 - 25.2.6 includes all changes from that version.
  • v25.2.5

    April 02, 2020

    ๐Ÿ›  Fixes

    • [@jest/console] Fix typescript<@3.8 compatibility in published types

    ๐Ÿšง Chore & Maintenance

    • โšก๏ธ [docs] Update link to watchman troubleshooting docs (#9727)
    • ๐Ÿšš [@jest/message-util] Remove dependency on @jest/test-result, which lead to a sprawling dependency tree (#9749)
    • ๐Ÿšš [@jest/test-result] Remove dependency on @jest/transform, which lead to a sprawling dependency tree (#9747)
    • [@jest/transform] Expose type TransformedSource (#9736)
  • v25.2.4

    March 29, 2020

    ๐Ÿ”‹ Features

    • โœ… [jest-message-util] Check for common errors when using the wrong test environment (#8245)

    ๐Ÿ›  Fixes

    • [jest-circus] Fix type elision of jest-runtime imports (#9717)
    • โช [@jest/transform] Fix coverage reporter for uncovered files without transformers, reverting (#9460) (#9724)
  • v25.2.3

    March 26, 2020

    ๐Ÿ›  Fixes

    • ๐Ÿ“ฆ [*] Verify all packages are properly downleveled for older versions of TypeScript (#9715)
  • v25.2.2

    March 26, 2020

    ๐Ÿ›  Fixes

    • ๐Ÿšš [jest-environment-node] Remove getVmContext from Node env on older versions of Node (#9708)
    • [jest-runtime] Return constructable class from require('module') (#9711)
  • v25.2.1

    March 26, 2020

    ๐Ÿ›  Fixes

    • [*] Downlevel TypeScript definitions files for compatibility with TS<3.8 (#9705)
  • v25.2.0

    March 25, 2020

    ๐Ÿ”‹ Features

    • ๐Ÿ‘ [jest-config] Support ESM config files with .js extension (#9573).
    • [jest-runtime] Override module.createRequire to return a Jest-compatible require function (#9469)
    • ๐Ÿ’ฅ [jest-haste-map] [BREAKING] Remove mapper option (#9581)
    • ๐Ÿ‘ [*] Support array of paths for moduleNameMapper aliases (#9465)
    • [jest-reporters] Adds ability to pass options to the istanbul-reporter through coverageReporters (#9572)
    • [jest-runtime] Require stack when a module cannot be resolved (#9681)
    • [jest-transform] writeCacheFile no longer calls fsync (#9695)

    ๐Ÿ›  Fixes

    • [expect] Handle readonly properties correctly (#9575)
    • [jest-cli] Set coverageProvider correctly when provided in config (#9562)
    • [jest-cli] Allow specifying .cjs and .mjs config files by --config CLI option (#9578)
    • โšก๏ธ [jest-cli] Update yargs to fix CLI flag overriding (#9519)
    • [jest-config] Treat setupFilesAfterEnv like setupFiles when normalizing configs against presets (#9495)
    • ๐Ÿ [jest-config] Support .mjs config files on Windows as well (#9558)
    • [jest-config] Verify rootDir and all roots are directories (#9569)
    • [jest-config] Ensure pattern of replacePosixSep is a string (#9546)
    • [jest-haste-map] Fix crash on unix based systems without find (#9579)
    • โœ… [jest-jasmine2] Fix --testNamePattern matching with concurrent tests (#9090)
    • [jest-matcher-utils] Fix diff highlight of symbol-keyed object. (#9499)
    • โฑ [@jest/reporters] Notifications should be fire&forget rather than having a timeout (#9567)
    • ๐Ÿ’ป [jest-resolve] Fix module identity preservation with symlinks and browser field resolution (#9511)
    • [jest-resolve] Do not confuse directories with files (#8912)
    • [jest-resolve] moduleNameMapper should take precedence over Node core modules (#9563)
    • [jest-runtime] Reset isolateModules if it fails (#9541)
    • [jest-runtime] Yarn PnP errors displayed to the user (#9681)
    • โฌ‡๏ธ [jest-snapshot] Downgrade semver to v6 to support node 8 (#9451)
    • [jest-snapshot] Properly indent new snapshots in the presences of existing ones (#9523)
    • [jest-transform] Correct sourcemap behavior for transformed and instrumented code (#9460)
    • [jest-transform] Allow instrumentation of transformed files with weird file extensions (#9589)
    • ๐Ÿ”€ [@jest/types] Make ConfigGlobals an interface to allow for declaration merging. (#9570)
    • ๐Ÿ”Œ [pretty-format] Export OldPlugin type (#9491)

    ๐Ÿšง Chore & Maintenance

    • ๐Ÿ“„ [docs] Warn about unexpected behavior / bug of node-notifier when using the notify options.
    • ๐Ÿ“„ [docs] Grammatical corrections to Async docs page. (#9679)
    • ๐Ÿ“ฆ [jest-resolver] Use resolve package to implement custom module resolution (#9520)
    • ๐Ÿšš [jest-runtime] Move execution of setupFiles to jest-runner (#9596)
    • โšก๏ธ [jest-runtime] Update anchor link in helpers (#9616)
    • ๐Ÿšš [@jest/reporters] Remove unused dependencies and type exports (#9462)
    • โšก๏ธ [website] Update pictures of reports when matchers fail (#9214)

    ๐ŸŽ Performance

    • [jest-haste-map] Reduce number of lstat calls in node crawler (#9514)
  • v25.1.0

    January 22, 2020

    Blog post: https://jestjs.io/blog/2020/01/21/jest-25

    ๐Ÿ”‹ Features

    • ๐Ÿ”Œ [babel-plugin-jest-hoist] Show codeframe on static hoisting issues (#8865)
    • ๐Ÿ”Œ [babel-plugin-jest-hoist] Add BigInt to WHITELISTED_IDENTIFIERS (#8382)
    • ๐Ÿ”Œ [babel-preset-jest] Add @babel/plugin-syntax-bigint (#8382)
    • ๐Ÿ‘ [expect] Add BigInt support to toBeGreaterThan, toBeGreaterThanOrEqual, toBeLessThan and toBeLessThanOrEqual (#8382)
    • [expect, jest-matcher-utils] Display change counts in annotation lines (#9035)
    • ๐Ÿ‘ [expect, jest-snapshot] Support custom inline snapshot matchers (#9278)
    • [jest-config] Throw the full error message and stack when a Jest preset is missing a dependency (#8924)
    • ๐Ÿ’ฅ [jest-config] [BREAKING] Set default display name color based on runner (#8689)
    • ๐Ÿ”€ [jest-config] Merge preset globals with project globals (#9027)
    • ๐Ÿ‘ [jest-config] Support .cjs config files (#9291)
    • ๐Ÿ’ฅ [jest-config] [BREAKING] Support .mjs config files (#9431)
    • 0๏ธโƒฃ [jest-core] Support reporters as default exports (#9161)
    • ๐Ÿ [jest-core] Support --findRelatedTests paths case insensitivity on Windows (#8900)
    • [jest-diff] Add options for colors and symbols (#8841)
    • ๐Ÿ’ฅ [jest-diff] [BREAKING] Export as ECMAScript module (#8873)
    • [jest-diff] Add includeChangeCounts and rename Indicator options (#8881)
    • [jest-diff] Add changeColor and patchColor options (#8911)
    • [jest-diff] Add trailingSpaceFormatter option and replace cyan with commonColor (#8927)
    • [jest-diff] Add firstOrLastEmptyLineReplacement option and export 3 diffLines functions (#8955)
    • [jest-environment] Add optional getVmContext next to runScript (#9252 & #9428)
    • [jest-environment-jsdom] Add fakeTimersLolex (#8925)
    • [jest-environment-node] Add fakeTimersLolex (#8925)
    • [jest-environment-node] Add queueMicrotask (#9140)
    • [jest-environment-node] Implement getVmContext (#9252 & #9428)
    • [@jest/fake-timers] Add Lolex as implementation of fake timers (#8897)
    • ๐Ÿ‘ [jest-get-type] Add BigInt support. (#8382)
    • ๐Ÿ‘ [jest-matcher-utils] Add BigInt support to ensureNumbers ensureActualIsNumber, ensureExpectedIsNumber (#8382)
    • [jest-matcher-utils] Ignore highlighting matched asymmetricMatcher in diffs (#9257)
    • [jest-reporters] Export utils for path formatting (#9162)
    • [jest-reporters] Provides global coverage thresholds as watermarks for istanbul (#9416)
    • ๐Ÿ‘ท [jest-runner] Warn if a worker had to be force exited (#8206)
    • ๐Ÿ’ฅ [jest-runtime] [BREAKING] Do not export ScriptTransformer - it can be imported from @jest/transform instead (#9256)
    • [jest-runtime] Use JestEnvironment.getVmContext and vm.compileFunction if available to avoid the module wrapper (#9252 & #9428)
    • [jest-snapshot] Display change counts in annotation lines (#8982)
    • ๐Ÿ’ฅ [jest-snapshot] [BREAKING] Improve report when the matcher has properties (#9104)
    • [jest-snapshot] Improve colors when snapshots are updatable (#9132)
    • [jest-snapshot] Ignore indentation for most serialized objects (#9203)
    • [jest-transform] Create createTranspilingRequire function for easy transpiling modules (#9194)
    • ๐Ÿ’ฅ [jest-transform] [BREAKING] Return transformed code as a string, do not wrap in vm.Script (#9253)
    • โœ… [@jest/test-result] Create method to create empty TestResult (#8867)
    • ๐Ÿ’ฅ [jest-worker] [BREAKING] Return a promise from end(), resolving with the information whether workers exited gracefully (#8206)
    • [jest-reporters] Transform file paths into hyperlinks (#8980)

    ๐Ÿ›  Fixes

    • [expect] Display expectedDiff more carefully in toBeCloseTo (#8389)
    • [expect] Avoid incorrect difference for subset when toMatchObject fails (#9005)
    • [expect] Consider all RegExp flags for equality (#9167)
    • ๐Ÿ’ฅ [expect] [BREAKING] Consider primitives different from wrappers instantiated with new (#9167)
    • โœ… [expect] Prevent maintaining RegExp state between multiple tests (#9289)
    • [expect] Fix subsetEquality false circular reference detection (#9322)
    • [jest-config] Use half of the available cores when watchAll mode is enabled (#9117)
    • [jest-config] Fix Jest multi project runner still cannot handle exactly one project (#8894)
    • [jest-console] Add missing console.group calls to NullConsole (#9024)
    • [jest-core] Don't include unref'd timers in --detectOpenHandles results (#8941)
    • ๐Ÿ‘ท [jest-core] Limit number of workers when creating haste maps in projects (#9259)
    • [jest-diff] Do not inverse format if line consists of one change (#8903)
    • 0๏ธโƒฃ [jest-diff] Rename some new options and change their default values (#9077)
    • [jest-environment-node] Fix TextEncoder.encode not referencing same global Uint8Array constructor (#9261)
    • [jest-fake-timers] getTimerCount will not include cancelled immediates (#8764)
    • ๐Ÿ‘ [jest-fake-timers] Support util.promisify on setTimeout (#9180)
    • [jest-jasmine2, jest-circus] Improve error message format for Node's assert.fail (#9262)
    • ๐Ÿ’ฅ [jest-leak-detector] [BREAKING] Use weak-napi instead of weak package (#8686)
    • ๐Ÿคก [jest-mock] Fix for mockReturnValue overriding mockImplementationOnce (#8398)
    • [jest-reporters] Make node-notifier an optional dependency (#8918)
    • [jest-reporters] Make all arguments to methods on BaseReporter optional (#9159)
    • [jest-resolve]: Set MODULE_NOT_FOUND as error code when module is not resolved from paths (#8487)
    • [jest-resolve-dependencies] Handle dynamic dependencies correctly even when using module maps (#9303)
    • ๐Ÿšš [jest-snapshot] Remove only the added newlines in multiline snapshots (#8859)
    • [jest-snapshot] Distinguish empty string from external snapshot not written (#8880)
    • ๐Ÿ’ฅ [jest-snapshot] [BREAKING] Distinguish empty string from internal snapshot not written (#8898)
    • ๐Ÿ’ฅ [jest-snapshot] [BREAKING] Remove report method and throw matcher errors (#9049)
    • [jest-snapshot] Omit irrelevant received properties when property matchers fail (#9198)
    • โœ… [jest-transform] Properly cache transformed files across tests (#8890)
    • โœ… [jest-transform] Don't fail the test suite when a generated source map is invalid (#9058)
    • ๐Ÿ’ฅ [jest-types] [BREAKING] Use less null | undefined in config types (#9200)
    • [jest-util] Allow querying process.domain (#9136)
    • [pretty-format] Correctly detect memoized elements (#9196)
    • [pretty-format] Fix pretty-format to respect displayName on forwardRef (#9422)

    ๐Ÿšง Chore & Maintenance

    • [*] [BREAKING] Drop support for Node 6 (#8455)
    • ๐Ÿ‘ท [*] Add Node 12 to CI (#8411)
    • [*] [BREAKING] Upgrade to Micromatch v4 (#8852)
    • ๐Ÿ’ฅ [babel-plugin-jest-hoist] [BREAKING] Use ESM exports (#8874)
    • ๐Ÿ“„ [docs] Add alias and optional boolean value to coverage CLI Reference (#8996)
    • โœ… [docs] Fix broken link pointing to legacy JS file in "Snapshot Testing".
    • ๐Ÿ“„ [docs] Add setupFilesAfterEnv and jest.setTimeout example (#8971)
    • โœ… [expect] Test that toStrictEqual is equivalent to Node's assert.deepStrictEqual (#9167)
    • ๐Ÿ’ฅ [jest] [BREAKING] Use ESM exports (#8874)
    • ๐Ÿ’ฅ [jest-cli] [BREAKING] Use ESM exports (#8874)
    • ๐Ÿ’ฅ [jest-cli] [BREAKING] Remove re-exports from @jest/core (#8874)
    • ๐Ÿšš [jest-diff] Remove the need to export splitLines0 function (#9151)
    • ๐Ÿ’ฅ [jest-environment-jsdom] [BREAKING] Upgrade JSDOM from v11 to v15 (#8851)
    • โฌ†๏ธ [jest-haste-map] Upgrade to fsevents@2 (#9215)
    • ๐Ÿ’ฅ [jest-reporters] [BREAKING] Upgrade Istanbul dependencies, which are used for code coverage (#9192)
    • ๐Ÿ’ฅ [jest-util] [BREAKING] Remove deprecated exports (#8863)
    • ๐Ÿ’ฅ [jest-validate] [BREAKING] Use ESM exports (#8874)
    • [jest-types] Mark InitialOptions as Partial (#8848)
    • โ™ป๏ธ [jest-config] Refactor normalize to be more type safe (#8848)
  • v24.9.0

    August 16, 2019

    ๐Ÿ”‹ Features

    • [expect] Highlight substring differences when matcher fails, part 1 (#8448)
    • [expect] Highlight substring differences when matcher fails, part 2 (#8528)
    • ๐Ÿคก [expect] Improve report when mock-spy matcher fails, part 1 (#8640)
    • ๐Ÿคก [expect] Improve report when mock-spy matcher fails, part 2 (#8649)
    • ๐Ÿคก [expect] Improve report when mock-spy matcher fails, part 3 (#8697)
    • ๐Ÿคก [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 (#8448)
    • ๐Ÿ‘ [jest-cli] Improve chai support (with detailed output, to match jest exceptions) (#8454)
    • โœ… [*] Manage the global timeout with --testTimeout command line argument. (#8456)
    • [pretty-format] Render custom displayName of memoized components (#8546)
    • ๐Ÿ‘ท [jest-validate] Allow maxWorkers as part of the jest.config.js (#8565)
    • ๐Ÿ”ง [jest-runtime] Allow passing configuration objects to transformers (#7288)
    • โœ… [@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)

    ๐Ÿ›  Fixes

    • [jest-cli] Detect side-effect only imports when running --onlyChanged or --changedSince (#8670)
    • ๐Ÿ‘ท [jest-cli] Allow --maxWorkers to work with % input again (#8565)
    • ๐Ÿคก [babel-plugin-jest-hoist] Expand list of whitelisted globals in global mocks (#8429)
    • ๐Ÿ”Œ [jest-core] Make watch plugin initialization errors look nice (#8422)
    • โšก๏ธ [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)
    • โœ… [jest-core] Fix incorrect passWithNoTests warning (#8595)
    • โœ… [jest-snapshots] Fix test retries that contain snapshots (#8629)
    • ๐Ÿคก [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)
    • โœ… [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)

    ๐Ÿšง Chore & Maintenance

    • ๐Ÿ“„ [docs] Replace FlowType with TypeScript in CONTRIBUTING.MD code conventions
    • ๐Ÿšš [jest-leak-detector] remove code repeat (#8438)
    • ๐Ÿ“„ [docs] Add example to jest.requireActual (#8482)
    • ๐Ÿคก [docs] Add example to jest.mock for mocking ES6 modules with the factory parameter (#8550)
    • ๐Ÿ“„ [docs] Add information about using jest.doMock with ES6 imports (#8573)
    • ๐Ÿ“„ [docs] Fix variable name in custom-matcher-api code example (#8582)
    • ๐Ÿ“„ [docs] Fix example used in custom environment docs (#8617)
    • โšก๏ธ [docs] Updated react tutorial to refer to new package of react-testing-library (@testing-library/react) (#8753)
    • โšก๏ธ [docs] Updated imports of react-testing-library to @testing-library/react in website (#8757)
    • ๐Ÿšš [jest-core] Add getVersion (moved from jest-cli) (#8706)
    • ๐Ÿคก [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)
    • โœ… [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)
    • ๐Ÿ“„ [docs] Fix broken transform link on webpack page (#9155)

    ๐ŸŽ Performance

    • [jest-watcher] Minor optimization for JestHook (#8746)
    • ๐ŸŽ [@jest/reporters] Prevent runaway CPU useage with --notify on macOS (#8830)
  • v24.8.0

    May 05, 2019

    ๐Ÿ”‹ Features

    • [jest-circus] Bind to Circus events via an optional event handler on any custom env (#8344)
    • [expect] Improve report when matcher fails, part 15 (#8281)
    • โšก๏ธ [jest-cli] Update --forceExit and "did not exit for one second" message colors (#8329)
    • [expect] Improve report when matcher fails, part 16 (#8306)
    • โœ… [jest-runner] Pass docblock pragmas to TestEnvironment constructor (#8320)
    • ๐Ÿ“„ [docs] Add DynamoDB guide (#8319)
    • [expect] Improve report when matcher fails, part 17 (#8349)
    • [expect] Improve report when matcher fails, part 18 (#8356)
    • [expect] Improve report when matcher fails, part 19 (#8367)

    ๐Ÿ›  Fixes

    • [jest-each] Fix bug with placeholder values (#8289)
    • [jest-snapshot] Inline snapshots: do not indent empty lines (#8277)
    • [@jest/runtime, @jest/transform] Allow custom transforms for JSON dependencies (#2578)
    • [jest-core] Make detectOpenHandles imply runInBand (#8283)
    • [jest-haste-map] Fix the mapper option which was incorrectly ignored (#8299)
    • โš  [jest-jasmine2] Fix describe return value warning being shown if the describe function throws (#8335)
    • [jest-environment-jsdom] Re-declare global prototype of JSDOMEnvironment (#8352)
    • ๐Ÿ”€ [jest-snapshot] Handle arrays when merging snapshots (#7089)
    • [expect] Extract names of async and generator functions (#8362)
    • ๐Ÿคก [jest-runtime] Fix virtual mocks not being unmockable after previously being mocked (#8396)
    • ๐Ÿ [jest-transform] Replace special characters in transform cache filenames to support Windows (#8353)
    • [jest-config] Allow exactly one project (#7498)

    ๐Ÿšง Chore & Maintenance

    • โœ… [expect] Fix label and add opposite assertion for toEqual tests (#8288)
    • ๐Ÿ“„ [docs] Mention Jest MongoDB Preset (#8318)
    • [@jest/reporters] Migrate away from istanbul-api (#8294)
    • โœ… [*] Delete obsolete emails tag from header comment in test files (#8377)
    • โšก๏ธ [expect] optimize compare nodes (#8368)
    • ๐Ÿคก [docs] Fix typo in MockFunctionAPI.md (#8406)
    • [LICENSE] Follow copyright header guidelines and delete For Jest software (#8428)

    ๐ŸŽ Performance

    • [jest-runtime] Fix module registry memory leak (#8282)
    • โšก๏ธ [jest-resolve] optimize resolve module path (#8388)
    • [jest-resolve] cache current directory (#8412)
    • [jest-get-type] Simplify checking for primitive (#8416)