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What does it do
👉🏻 Bump package jest
^26.6.3
^29.7.0
Changelog
v29.7.0 (2023-09-12T06:46:30Z)
Features
[create-jest]
Addnpm init
/yarn create
initialiser for Jest projects (#14465)[jest-validate]
Allow deprecation warnings for unknown options (#14499)Fixes
[jest-resolver]
Replace unmatched capture groups inmoduleNameMapper
with empty string instead ofundefined
(#14507)[jest-snapshot]
Allow for strings as well as template literals in inline snapshots (#14465)[@jest/test-sequencer]
Calculate test runtime ifperStats.duration
is missing (#14473)Performance
[@jest/create-cache-key-function]
Cache access ofNODE_ENV
andBABEL_ENV
(#14455)Chore & Maintenance
[jest-cli]
Move internal config initialisation logic to thecreate-jest
package (#14465)New Contributors
Full Changelog: jestjs/jest@v29.6.4...v29.7.0
v29.6.4 (2023-08-24T11:12:14Z)
Fixes
[jest-core]
Fix typo inscheduleAndRun
performance marker (#14434)[jest-environment-node]
Make sureatob
andbtoa
are writeable in Node 20 (#14446)[jest-worker]
Additional error wrapper forparentPort.postMessage
to fix unhandledDataCloneError
. (#14437)New Contributors
postMessage
error handler in child threads jestjs/jest#14437Full Changelog: jestjs/jest@v29.6.3...v29.6.4
v29.6.3 (2023-08-21T12:42:09Z)
Fixes
[expect, @jest/expect-utils]
ObjectContaining
supportsymbol
as key (#14414)[expect]
Remove@types/node
from dependencies (#14385)[jest-core]
Use workers in watch mode by default to avoid crashes (#14059 & #14085).[jest-reporters]
Updateistanbul-lib-instrument
dependency to v6. (#14401)[jest-mock]
Revert #13692 as it was a breaking change (#14429)[jest-mock]
Revert #13866 as it was a breaking change (#14429)[jest-mock]
Revert #13867 as it was a breaking change (#14429)[@jest/reporters]
Marks Reporter's hooks as optional (#14433)[jest-runtime]
Fix dynamic ESM import module bug when loaded module throughjest.isolateModulesAsync
(#14397)Chore & Maintenance
[jest-changed-files, jest-circus, jest-console, @jest/core, @jest/runtime, @jest/transform]
Useinvariant
andnotEmpty
fromjest-util
rather than own internal (#14366)New Contributors
Full Changelog: jestjs/jest@v29.6.2...v29.6.3
v29.6.2 (2023-07-27T09:22:36Z)
Fixes
[jest-circus]
Fix snapshot matchers in concurrent tests when nr of tests exceedsmaxConcurrency
(#14335)[@jest/core]
When running global setup and teardown, do not try to change themessage
property of the thrown error object when themessage
property is unwritable (#14113)[jest-snapshot]
Move@types/prettier
fromdependencies
todevDependencies
(#14328)[jest-snapshot]
Throw an explicit error if Prettier v3 is used (#14367)[jest-reporters]
Add "skipped" and "todo" symbols to Github Actions Reporter (#14309)Chore & Maintenance
[@jest/core]
Usepluralize
fromjest-util
rather than own internal (#14322)New Contributors
Full Changelog: jestjs/jest@v29.6.1...v29.6.2
v29.6.1 (2023-07-06T14:18:54Z)
Fixes
[jest-circus]
Revert #14110 as it was a breaking change (#14304)Full Changelog: jestjs/jest@v29.6.0...v29.6.1
v29.6.0 (2023-07-04T15:27:00Z)
Features
[jest-circus, jest-snapshot]
Add support for snapshot matchers in concurrent tests (#14139)[jest-cli]
Include type definitions to generated config files (#14078)[jest-snapshot]
Support arrays as property matchers (#14025)[jest-core, jest-circus, jest-reporter, jest-runner]
Added support for reporting about start individual test cases using jest-circus (#14174)Fixes
[jest-circus]
Prevent false test failures caused by promise rejections handled asynchronously (#14110)[jest-config]
Handle frozen config object (#14054)[jest-config]
AllowcoverageDirectory
andcollectCoverageFrom
in project config (#14180)[jest-core]
Always use workers in watch mode to avoid crashes (#14059).[jest-environment-jsdom, jest-environment-node]
Fix assignment ofcustomExportConditions
viatestEnvironmentOptions
when custom env subclass defines a default value (#13989)[jest-matcher-utils]
Fix copying value of inherited getters (#14007)[jest-mock]
Tweak typings to allowjest.replaceProperty()
replace methods (#14008)[jest-mock]
Improve user input validation and error messages ofspyOn
andreplaceProperty
methods (#14087)[jest-runtime]
Bindjest.isolateModulesAsync
tothis
(#14083)[jest-runtime]
ForwardwrapperLength
to theScript
constructor ascolumnOffset
for accurate debugging (#14148)[jest-runtime]
Guard_isMockFunction
access within
(#14188)[jest-snapshot]
Fix a potential bug when not using prettier and improve performance (#14036)[@jest/transform]
Do not instrument.json
modules (#14048)[jest-worker]
Restart a shut down worker before sending it a task (#14015)Chore & Maintenance
[*]
Updatesemver
dependency to get vulnerability fix (#14262)[docs]
Updated documentation for the--runTestsByPath
CLI command (#14004)[docs]
Updated documentation regarding the synchronous fallback when asynchronous code transforms are unavailable (#14056)[docs]
Update jest statistics of use and downloads in website Index.New Contributors
jest.isolateModulesAsync
tothis
jestjs/jest#14083onTestCaseStart
hookReporter
jestjs/jest#14174Full Changelog: jestjs/jest@v29.5.0...v29.6.0
v29.5.0 (2023-03-06T13:34:31Z)
Features
[jest-changed-files]
Support Sapling (#13941)[jest-circus, @jest/cli, jest-config]
Add feature to randomize order of tests via CLI flag or through the config file(#12922)[jest-cli, jest-config, @jest/core, jest-haste-map, @jest/reporters, jest-runner, jest-runtime, @jest/types]
AddworkerThreads
configuration option to allow using worker threads for parallelization (#13939)[jest-cli]
ExportyargsOptions
(#13970)[jest-config]
AddopenHandlesTimeout
option to configure possible open handles warning. (#13875)[@jest/create-cache-key-function]
Allow passinglength
argument tocreateCacheKey()
function and set its default value to16
on Windows (#13827)[jest-message-util]
Add support for AggregateError (#13946 & #13947)[jest-message-util]
Add support for Error causes intest
andit
(#13935 & #13966)[jest-reporters]
AddsummaryThreshold
option to summary reporter to allow overriding the internal threshold that is used to print the summary of all failed tests when the number of test suites surpasses it (#13895)[jest-runtime]
Expose@sinonjs/fake-timers
async APIs functionsadvanceTimersByTimeAsync(msToRun)
(tickAsync(msToRun)
),advanceTimersToNextTimerAsync(steps)
(nextAsync
),runAllTimersAsync
(runAllAsync
), andrunOnlyPendingTimersAsync
(runToLastAsync
) (#13981)[jest-runtime, @jest/transform]
Allow V8 coverage provider to collect coverage from files which were not loaded explicitly (#13974)[jest-snapshot]
Add support tocts
andmts
TypeScript files to inline snapshots (#13975)[jest-worker]
Addstart
method to worker farms (#13937)[jest-worker]
Support passing a URL as path to worker (#13982)Fixes
[babel-plugin-jest-hoist]
Fix unwanted hoisting of nestedjest
usages (#13952)[jest-circus]
Send test case results fortodo
tests (#13915)[jest-circus]
Update message printed on test timeout (#13830)[jest-circus]
Avoid creating the word "testfalse" whentakesDoneCallback
isfalse
in the message printed on test timeout AND updated timeouts test (#13954)[jest-environment-jsdom]
Stop settingdocument
tonull
on teardown (#13972)[@jest/expect-utils]
UpdatetoStrictEqual()
to be able to checkjest.fn().mock.calls
(#13960)[@jest/test-result]
AllowTestResultsProcessor
type to return a Promise (#13950)Chore & Maintenance
[jest-snapshot]
Remove dependency onjest-haste-map
(#13977)New Contributors
babel-plugin-jest-hoist
jestjs/jest#13952Full Changelog: jestjs/jest@v29.4.3...v29.5.0
v29.4.3 (2023-02-15T11:58:24Z)
Features
[expect]
UpdatetoThrow()
to be able to use errorcause
s (#13606)[jest-core]
allow to useworkerIdleMemoryLimit
with only 1 worker orrunInBand
option (#13846)[jest-message-util]
Add support for errorcause
s (#13868 & #13912)[jest-runtime]
Revertimport assertions
for JSON modules as it's been relegated to Stage 2 (#13911)Fixes
[@jest/expect-utils]
subsetEquality
should consider also an object's inherited string keys (#13824)[jest-mock]
Clear mock state whenjest.restoreAllMocks()
is called (#13867)[jest-mock]
PreventmockImplementationOnce
andmockReturnValueOnce
bleeding intowithImplementation
(#13888)[jest-mock]
Do not restore mocks whenjest.resetAllMocks()
is called (#13866)New Contributors
Full Changelog: jestjs/jest@v29.4.2...v29.4.3
v29.4.2 (2023-02-07T13:46:46Z)
Features
[@jest/core]
Instrument significant lifecycle events withperformance.mark()
(#13859)Fixes
[expect, @jest/expect]
Provide type ofactual
as a generic argument toMatchers
to allow better-typed extensions (#13848)[jest-circus]
Added explicit mention of test failing becausedone()
is not being called in error message (#13847)[jest-runtime]
Handle CJS re-exports of node core modules from ESM (#13856)[jest-transform]
Downgradewrite-file-atomic
to v4 (#13853)[jest-worker]
Ignore IPC messages not intended for Jest (#13543)Chore & Maintenance
[*]
make sure to exclude.eslintcache
from published module (#13832)[docs]
Cleanup incorrect links in CHANGELOG.md (#13857)New Contributors
Full Changelog: jestjs/jest@v29.4.1...v29.4.2
v29.4.1 (2023-01-26T15:09:55Z)
Features
[expect, jest-circus, @jest/types]
ImplementnumPassingAsserts
of testResults to track the number of passing asserts in a test (#13795)[jest-core]
Add newlines to JSON output (#13817)[@jest/reporters]
Automatic log folding in GitHub Actions Reporter (#13626)Fixes
[@jest/expect-utils]
toMatchObject
diffs should includeSymbol
properties (#13810)[jest-runtime]
Handle missingreplaceProperty
(#13823)[@jest/types]
Add partial support fordone
callbacks in typings ofeach
(#13756)New Contributors
numPassingAsserts
of testCaseResult jestjs/jest#13795Full Changelog: jestjs/jest@v29.4.0...v29.4.1
v29.4.0 (2023-01-24T10:57:14Z)
Features
[expect, @jest/expect-utils]
Support custom equality testers (#13654)[jest-config, jest-worker]
Useos.availableParallelism
if available to calculate number of workers to spawn (#13738)[@jest/globals, jest-mock]
Addjest.replaceProperty()
that replaces property value (#13496)[jest-haste-map]
ignore Sapling vcs directories (.sl/
) (#13674)[jest-resolve]
Support subpath imports (#13705, #13723, #13777)[jest-runtime]
Addjest.isolateModulesAsync
for scoped module initialization of asynchronous functions (#13680)[jest-runtime]
Addjest.isEnvironmentTornDown
function (#13741)[jest-test-result]
Addedskipped
andfocused
status toFormattedTestResult
(#13700)[jest-transform]
Support for asynchronouscreateTransformer
(#13762)Fixes
[jest-environment-node]
Fix non-configurable globals (#13687)[@jest/expect-utils]
toMatchObject
should handleSymbol
properties (#13639)[jest-mock]
FixmockReset
andresetAllMocks
undefined
return value(#13692)[jest-resolve]
Add global paths torequire.resolve.paths
(#13633)[jest-resolve]
Correct node core module detection when usingnode:
specifiers (#13806)[jest-runtime]
Support WASM files that import JS resources (#13608)[jest-runtime]
Use thescriptTransformer
cache injest-runner
(#13735)[jest-runtime]
Enforce import assertions when importing JSON in ESM (#12755 & #13805)[jest-snapshot]
Make sure to importbabel
outside of the sandbox (#13694)[jest-transform]
Ensure the correct configuration is passed to preprocessors specified multiple times in thetransform
option (#13770)Chore & Maintenance
[@jest/fake-timers]
Update@sinonjs/fake-timers
(#13612)[docs]
Improve custom puppeteer example to prevent worker warnings (#13619)New Contributors
testNamePattern
alias-t
be in inline code format jestjs/jest#13740video.play
fromspyOn
#JestObjectAPI.md jestjs/jest#13747transform
jestjs/jest#13770resolve.exports
forimports
jestjs/jest#13777Full Changelog: jestjs/jest@v29.3.1...v29.4.0
v29.3.1 (2022-11-08T22:57:37Z)
Fixes
[jest-config]
Do not warn aboutpreset
inProjectConfig
(#13583)Performance
[jest-transform]
Defer creation of cache directory (#13420)v29.3.0 (2022-11-07T17:58:31Z)
Features
[jest-runtime]
Support WebAssembly (Wasm) imports in ESM modules (#13505)Fixes
[jest-config]
Add config validation forprojects
option (#13565)[jest-mock]
Treat cjs modules as objects so they can be mocked (#13513)[jest-worker]
Throw an error instead of hanging when jest workers terminate unexpectedly (#13566)Chore & Maintenance
[@jest/transform]
Updateconvert-source-map
(#13509)[docs]
MentiontoStrictEqual
in UsingMatchers docs. (#13560)New Contributors
Full Changelog: jestjs/jest@v29.2.2...v29.3.0
v29.2.2 (2022-10-24T20:27:10Z)
Fixes
[@jest/test-sequencer]
Make sure sharding does not produce empty groups (#13476)[jest-circus]
Test marked astodo
are shown as todo when inside a focussed describe (#13504)[jest-mock]
Ensure mock resolved and rejected values are promises from correct realm (#13503)[jest-snapshot]
Don't highlight passing asymmetric property matchers in snapshot diff (#13480)Chore & Maintenance
[docs]
Update link to Jest 28 upgrade guide in error message (#13483)[jest-runner, jest-watcher]
Updateemittery
(#13490)New Contributors
asymmetricMatcher
in diffs jestjs/jest#13491Full Changelog: jestjs/jest@v29.2.1...v29.2.2
v29.2.1 (2022-10-18T16:01:28Z)
Features
[@jest/globals, jest-mock]
Addjest.Spied*
utility types (#13440)Fixes
[jest-environment-node]
makeglobalThis.performance
writable for Node 19 and fake timers (#13467)[jest-mock]
Revert #13398 to restore mocking of setters (#13472)Performance
[*]
Use sha1 instead of sha256 for hashing (#13421)Full Changelog: jestjs/jest@v29.2.0...v29.2.1
v29.2.0 (2022-10-14T09:15:09Z)
Features
[@jest/cli, jest-config]
A seed for the test run will be randomly generated, or set by a CLI option (#13400)[@jest/cli, jest-config]
--show-seed
will display the seed value in the report, and can be set via a CLI flag or through the config file (#13400)[jest-config]
AddreadInitialConfig
utility function (#13356)[jest-core]
AllowtestResultsProcessor
to be async (#13343)[@jest/environment, jest-environment-node, jest-environment-jsdom, jest-runtime]
AddgetSeed()
to thejest
object (#13400)[expect, @jest/expect-utils]
AllowisA
utility to take a type argument (#13355)[expect]
ExposeAsyncExpectationResult
andSyncExpectationResult
types (#13411)Fixes
[babel-plugin-jest-hoist]
IgnoreTSTypeQuery
when checking for hoisted references (#13367)[jest-core]
FixdetectOpenHandles
false positives for some special objects such asTLSWRAP
(#13414)[jest-mock]
Fix mocking of getters and setters on classes (#13398)[jest-reporters]
Revert: Transform file paths into hyperlinks (#13399)[@jest/types]
Infer type ofeach
table correctly when the table is a tuple or array (#13381)[@jest/types]
Rework typings to allow the*ReturnedWith
matchers to be called with no argument (#13385)Chore & Maintenance
[*]
Update@babel/*
deps, resulting in slightly different stack traces foreach
(#13422)Performance
[jest-runner]
Do not instrument v8 coverage data if coverage should not be collected (#13282)New Contributors
ts-jest
jestjs/jest#13418Full Changelog: jestjs/jest@v29.1.2...v29.2.0
v29.1.2 (2022-09-30T07:25:18Z)
Fixes
[expect, @jest/expect]
Revert buggy inference of argument types for*CalledWith
and*ReturnedWith
matchers introduced in 29.1.0 (#13339)[jest-worker]
Add missing dependency onjest-util
(#13341)New Contributors
--filter
to match code implementation jestjs/jest#13329Full Changelog: jestjs/jest@v29.1.1...v29.1.2
v29.1.1 (2022-09-28T08:06:21Z)
Fixes
[jest-mock]
Revert #13145 which broke mocking of transpiled ES modulesFull Changelog: jestjs/jest@v29.1.0...v29.1.1
v29.1.0 (2022-09-28T07:38:40Z)
Features
[expect, @jest/expect]
support type inference for function parameters inCalledWith
assertions (#13268)[expect, @jest/expect]
Infer type of*ReturnedWith
matchers argument (#13278)[@jest/environment, jest-runtime]
Allowjest.requireActual
andjest.requireMock
to take a type argument (#13253)[@jest/environment]
Allowjest.mock
andjest.doMock
to take a type argument (#13254)[@jest/fake-timers]
Addjest.now()
to return the current fake clock time (#13244, #13246)[@jest/mock]
AddwithImplementation
method for temporarily overriding a mock (#13281)[expect]
ExporttoThrow*
matchers (#13328)Fixes
[jest-circus, jest-jasmine2]
Fix error messages for Node'sassert.throes
(#13322)[jest-haste-map]
Remove__proto__
usage (#13256)[jest-mock]
ImprovespyOn
typings to handle optional properties (#13247)[jest-mock]
Fix mocking of getters and setters on classes (#13145)[jest-snapshot]
Throw useful error when an array is passed as property matchers (#13263)[jest-snapshot]
Prioritize parser used in the project (#13323)[jest-transform]
Attempt to work around issues with atomic writes on Windows (#11423)New Contributors
__proto__
withObject.setPrototypeOf
jestjs/jest#13256rootDir
changes when usingprojects
jestjs/jest#12871git-url
vulnerability issue jestjs/jest#13290Full Changelog: jestjs/jest@v29.0.3...v29.1.0
v29.0.3 (2022-09-10T14:43:59Z)
Features
[@jest/environment, jest-runtime]
Allow passing a generic type argument tojest.createMockFromModule<T>()
method (#13202)[expect]
ExposeExpectationResult
type (#13240)[jest-snapshot]
ExposeContext
type (#13240)[@jest/globals]
Addjest.Mock
type helper (#13235)Fixes
[jest-core]
CaptureexecError
duringTestScheduler.scheduleTests
and dispatch to reporters (#13203)[jest-resolve]
Make sure to resolve module paths after looking atexports
(#13242)[jest-resolve]
Improve error on module not found deep in therequire
stack (#8704)[jest-snapshot]
Fix typings of snapshot matchers (#13240)Chore & Maintenance
[*]
Fix inconsistent workspace prefixes (#13217)[jest-haste-map]
Expose a minimal public API to TypeScript (#13023)New Contributors
Full Changelog: jestjs/jest@v29.0.2...v29.0.3
v29.0.2 (2022-09-03T10:49:41Z)
Features
[jest-transform]
ExposeTransformFactory
type (#13184)Fixes
[babel-plugin-jest-hoist]
Support importedjest
in mock factory (#13188)[jest-mock]
Align the behavior and return type ofgenerateFromMetadata
method (#13207)[jest-runtime]
Supportjest.resetModules()
with ESM (#13211)New Contributors
Full Changelog: jestjs/jest@v29.0.1...v29.0.2
v29.0.1 (2022-08-26T13:36:12Z)
Fixes
[jest-snapshot]
PasssnapshotFormat
through when diffing snapshots (#13181)Full Changelog: jestjs/jest@v29.0.0...v29.0.1
v29.0.0 (2022-08-25T12:35:13Z)
Blog post: https://jestjs.io/blog/2022/08/25/jest-29
Features
[expect]
[BREAKING] Differentiate betweenMatcherContext
MatcherUtils
andMatcherState
types (#13141)[jest-circus]
Add support fortest.failing.each
(#13142)[jest-config]
[BREAKING] MakesnapshotFormat
default toescapeString: false
andprintBasicPrototype: false
(#13036)[jest-config]
[BREAKING] Remove undocumentedcollectCoverageOnlyFrom
option (#13156)[jest-environment-jsdom]
[BREAKING] Upgrade tojsdom@20
(#13037, #13058)[@jest/globals]
Addjest.Mocked
,jest.MockedClass
,jest.MockedFunction
andjest.MockedObject
utility types (#12727)[jest-mock]
[BREAKING] RefactorMocked*
utility types.MaybeMockedDeep
andMaybeMocked
becameMocked
andMockedShallow
respectively; only deep mocked variants ofMockedClass
,MockedFunction
andMockedObject
are exported (#13123, #13124)[jest-mock]
[BREAKING] Change the defaultjest.mocked
helper’s behavior to deep mocked (#13125)[jest-snapshot]
[BREAKING] Letbabel
find config when updating inline snapshots (#13150)[@jest/test-result, @jest/types]
[BREAKING] ReplaceBytes
andMilliseconds
types withnumber
(#13155)[jest-worker]
AddsworkerIdleMemoryLimit
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] RemoveConvertAnsi
plugin in favour ofjest-serializer-ansi-escapes
(#13040)[pretty-format]
Allow to opt out from sorting object keys withcompareKeys: 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]
MakeprettierPath
optional inSnapshotState
(#13149)[jest-snapshot]
Fix parsing error from inline snapshot files withJSX
(#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 setn
for--bail
(#13128)[docs]
Update Enzyme URL (#13166)[jest-leak-detector]
Remove support forweak-napi
(#13035)[jest-snapshot]
[BREAKING] RequirerootDir
as argument toSnapshotState
(#13150)New Contributors
n
parameter to--bail
jestjs/jest#13128EISDIR
when resolving symlinks jestjs/jest#13157Full Changelog: jestjs/jest@v28.1.3...v29.0.0
v28.1.3 (2022-07-13T14:13:55Z)
Features
[jest-leak-detector]
Use nativeFinalizationRegistry
when it exists to get rid of external C dependency (#12973)Fixes
[jest-changed-files]
Fix a lock-up after repeated invocations (#12757)[@jest/expect-utils]
Fix deep equality of ImmutableJS OrderedSets (#12977)[jest-mock]
Add index signature support forspyOn
types (#13013, #13020)[jest-snapshot]
Fix indentation of awaited inline snapshots (#12986)Chore & Maintenance
[*]
Replace internal usage ofpretty-format/ConvertAnsi
withjest-serializer-ansi-escapes
(#12935, #13004)[docs]
Update spyOn docs (#13000)New Contributors
Full Changelog: jestjs/jest@v28.1.2...v28.1.3
v28.1.2 (2022-06-29T10:35:08Z)
Fixes
[jest-runtime]
Avoid star type import from@jest/globals
(#12949)Chore & Maintenance
[docs]
Mention that jest-codemods now supports Sinon (#12898)New Contributors
Full Changelog: jestjs/jest@v28.1.1...v28.1.2
v28.1.1 (2022-06-07T06:10:53Z)
Features
[jest]
ExposeConfig
type (#12848)[@jest/reporters]
ImproveGitHubActionsReporter
s annotation format (#12826)[@jest/types]
Infer argument types passed totest
anddescribe
callback functions fromeach
tables (#12885, #12905)Fixes
[@jest/expect-utils]
Fix deep equality of ImmutableJS OrderedMaps (#12763)[jest-docblock]
Handle multiline comments in parseWithComments (#12845)[jest-mock]
ImprovespyOn
error messages (#12901)[jest-runtime]
Correctly report V8 coverage withresetModules: true
(#12912)[jest-worker]
MakeJestWorkerFarm
helper type to include methods of worker module that take more than one argument (#12839)Chore & Maintenance
[docs]
Updated docs to indicate thatjest-environment-jsdom
is a separate package #12828[docs]
Document the comments used by coverage providers #12835[docs]
Usedocusaurus-remark-plugin-tab-blocks
to format tabs with code examples (#12859)[jest-haste-map]
Bumpwalker
version (#12324)[expect]
Adjust typings oflastCalledWith
,nthCalledWith
,toBeCalledWith
matchers to allow a case there a mock was called with no arguments (#12807)[@jest/expect-utils]
Fix deep equality of ImmutableJS Lists (#12763)[jest-core]
Do not collectSIGNREQUEST
as open handles (#12789)New Contributors
Full Changelog: jestjs/jest@v28.1.0...v28.1.1
v28.1.0 (2022-05-06T10:50:35Z)
Features
[jest-circus]
Addfailing
test modifier that inverts the behaviour of tests (#12610)[jest-environment-node, jest-environment-jsdom]
Allow specifyingcustomExportConditions
(#12774)Fixes
[expect]
Adjust typings oflastCalledWith
,nthCalledWith
,toBeCalledWith
matchers to allow a case there a mock was called with no arguments (#12807)[@jest/expect-utils]
Fix deep equality of ImmutableJS Lists (#12763)[jest-core]
Do not collectSIGNREQUEST
as open handles (#12789)Chore & Maintenance
[docs]
Specified documentation about--filter
CLI docs (#12799)[@jest-reporters]
Move helper functions fromutils.ts
into separate files (#12782)[jest-resolve]
Replaceprocess.versions.pnp
type declaration with@types/pnpapi
devDependency (#12783)New Contributors
SIGNREQUEST
as open handles jestjs/jest#12789test.failing
method jestjs/jest#12610Full Changelog: jestjs/jest@v28.0.3...v28.1.0
v28.0.3 (2022-04-29T10:45:31Z)
Fixes
[jest-config]
Normalizereporters
option defined in presets (#12769)[@jest/reporters]
Fix trailing slash in matchingcoverageThreshold
key (#12714)[jest-resolve]
Fix (experimental) ESM module mocking for re-exports (#12766)[@jest/transform]
Throw better error if an invalid return value if encountered (#12764)Chore & Maintenance
[docs]
Fix typo in--shard
CLI docs (#12761)New Contributors
--shard
docs jestjs/jest#12761Full Changelog: jestjs/jest@v28.0.2...v28.0.3
v28.0.2 (2022-04-27T07:47:37Z)
Features
[jest-worker]
AddJestWorkerFarm
helper type (#12753)Fixes
[*]
Lower Node 16 requirement to 16.10 from 16.13 due to a Node bug that causes memory and performance issues (#12754)Full Changelog: jestjs/jest@v28.0.1...v28.0.2
v28.0.1 (2022-04-26T10:04:02Z)
Features
[jest-resolve]
ExposeResolverOptions
type (#12736)Fixes
[expect]
Add missing dependencyjest-util
(#12744)[jest-circus]
Improvetest.concurrent
(#12748)[jest-resolve]
Correctly throw an error ifjsdom
test environment is used, but not installed (#12749)Chore & Maintenance
[jest-serializer]
Remove deprecated module from source tree (#12735)Full Changelog: jestjs/jest@v28.0.0...v28.0.1
v28.0.0 (2022-04-25T12:09:47Z)
Blog post: https://jestjs.io/blog/2022/04/25/jest-28
Features
[babel-jest]
ExportcreateTransformer
function (#12399)[expect]
ExposeAsymmetricMatchers
,MatcherFunction
andMatcherFunctionWithState
interfaces (#12363, #12376)[jest-circus]
Support error logging before retry (#12201)[jest-circus, jest-jasmine2]
Allowed classes and functions asdescribe
andit
/test
names (#12484)[jest-cli, jest-config]
[BREAKING] RemovetestURL
config, usetestEnvironmentOptions.url
instead (#10797)[jest-cli, jest-core]
Add--shard
parameter for distributed parallel test execution (#12546)[jest-cli]
[BREAKING] Remove undocumented--timers
option (#12572)[jest-config]
[BREAKING] Stop shippingjest-environment-jsdom
by default (#12354)[jest-config]
[BREAKING] Stop shippingjest-jasmine2
by default (#12355)[jest-config, @jest/types]
Addci
toGlobalConfig
(#12378)[jest-config]
[BREAKING] RenamemoduleLoader
toruntime
(#10817)[jest-config]
[BREAKING] RenameextraGlobals
tosandboxInjectedGlobals
(#10817)[jest-config]
[BREAKING] Throw an error instead of showing a warning if multiple configs are used (#12510)[jest-config]
[BREAKING] Do not normalize long deprecated configuration optionspreprocessorIgnorePatterns
,scriptPreprocessor
,setupTestFrameworkScriptFile
andtestPathDirs
(#12701)[jest-cli, jest-core]
Add--ignoreProjects
CLI argument to ignore test suites by project name (#12620)[jest-core]
Pass project config toglobalSetup
/globalTeardown
function as second argument (#12440)[jest-core]
Stabilize test runners with event emitters (#12641)[jest-core, jest-watcher]
[BREAKING] MoveTestWatcher
class tojest-watcher
package (#12652)[jest-core]
Allow using Summary Reporter as stand-alone reporter (#12687)[jest-environment-jsdom]
[BREAKING] Upgrade jsdom to 19.0.0 (#12290)[jest-environment-jsdom]
[BREAKING] Add defaultbrowser
condition toexportConditions
forjsdom
environment (#11924)[jest-environment-jsdom]
[BREAKING] Pass global config to Jest environment constructor forjsdom
environment (#12461)[jest-environment-jsdom]
[BREAKING] Second argumentcontext
to constructor is mandatory (#12469)[jest-environment-node]
[BREAKING] Add defaultnode
andnode-addon
conditions toexportConditions
fornode
environment (#11924)[jest-environment-node]
[BREAKING] Pass global config to Jest environment constructor fornode
environment (#12461)[jest-environment-node]
[BREAKING] Second argumentcontext
to constructor is mandatory (#12469)[jest-environment-node]
Add all available globals to test globals, not just explicit ones (#12642, #12696)[@jest/expect]
New module which extendsexpect
withjest-snapshot
matchers (#12404, #12410, #12418)[@jest/expect-utils]
New module exporting utils forexpect
(#12323)[@jest/fake-timers]
[BREAKING] Renametimers
configuration option tofakeTimers
(#12572)[@jest/fake-timers]
[BREAKING] Allowjest.useFakeTimers()
andprojectConfig.fakeTimers
to take an options bag (#12572)[jest-haste-map]
[BREAKING]HasteMap.create
now returns a promise (#12008)[jest-haste-map]
Add support fordependencyExtractor
written in ESM (#12008)[jest-mock]
[BREAKING] Rename exported utility typesClassLike
,FunctionLike
,ConstructorLikeKeys
,MethodLikeKeys
,PropertyLikeKeys
; remove exports of utility typesArgumentsOf
,ArgsType
,ConstructorArgumentsOf
- TS builtin utility typesConstructorParameters
andParameters
should be used instead (#12435, #12489)[jest-mock]
ImproveisMockFunction
to infer types of passed function (#12442)[jest-mock]
[BREAKING] Improve the usage ofjest.fn
generic type argument (#12489)[jest-mock]
Add support for auto-mocking async generator functions (#11080)[jest-mock]
Addcontexts
member to mock functions (#12601)[@jest/reporters]
Add GitHub Actions reporter (#11320, #12658)[@jest/reporters]
PassreporterContext
to custom reporter constructors as third argument (#12657)[jest-resolve]
[BREAKING] Add support forpackage.json
exports
(#11961, #12373)[jest-resolve]
Support package self-reference (#12682)[jest-resolve, jest-runtime]
Add support fordata:
URI import and mock (#12392)[jest-resolve, jest-runtime]
Add support for async resolver (#11540)[jest-resolve]
[BREAKING] Removebrowser?: boolean
from resolver options,conditions: ['browser']
should be used instead (#12707)[jest-resolve]
ExposeJestResolver
,AsyncResolver
,SyncResolver
,PackageFilter
,PathFilter
andPackageJSON
types (#12707, (#12712)[jest-runner]
AllowsetupFiles
module to export an async function (#12042)[jest-runner]
Allow passingtestEnvironmentOptions
via docblocks (#12470)[jest-runner]
ExposeCallbackTestRunner
,EmittingTestRunner
abstract classes andCallbackTestRunnerInterface
,EmittingTestRunnerInterface
to help typing third party runners (#12646, #12715)[jest-runner]
Lock version ofsource-map-support
to 0.5.13 (#12720)[jest-runtime]
[BREAKING]Runtime.createHasteMap
now returns a promise (#12008)[jest-runtime]
Callingjest.resetModules
function will clear FS and transform cache (#12531)[jest-runtime]
[BREAKING] RemoveContext
type export, it must be imported from@jest/test-result
(#12685)[jest-runtime]
Addimport.meta.jest
(#12698)[@jest/schemas]
New module for JSON schemas for Jest's config (#12384)[@jest/source-map]
Migrate fromsource-map
to@jridgewell/trace-mapping
(#12692)[jest-transform]
[BREAKING] Make it required forprocess()
andprocessAsync()
methods to always return structured data (#12638)[jest-test-result]
Add duration property to JSON test output (#12518)[jest-watcher]
[BREAKING] MakePatternPrompt
class to takeentityName
as third constructor parameter instead ofthis._entityName
(#12591)[jest-worker]
[BREAKING] Allow only absoluteworkerPath
(#12343)[jest-worker]
[BREAKING] Default to advanced serialization when using child process workers (#10983)[pretty-format]
NewmaxWidth
parameter (#12402)Fixes
[*]
Usesha256
instead ofmd5
as hashing algortihm for compatibility with FIPS systems (#12722)[babel-jest]
[BREAKING] PassrootDir
asroot
in Babel's options (#12689)[expect]
Move typings of.not
,.rejects
and.resolves
modifiers outside ofMatchers
interface (#12346)[expect]
Throw useful error ifexpect.extend
is called with invalid matchers (#12488)[expect]
FixiterableEquality
ignores other properties (#8359)[expect]
Fix print for thecloseTo
matcher (#12626)[jest-changed-files]
ImprovechangedFilesWithAncestor
pattern for Mercurial SCM (#12322)[jest-circus, @jest/types]
Disallow undefined value inTestContext
type (#12507)[jest-config]
Correctly detect CI environment and update snapshots accordingly (#12378)[jest-config]
PassmoduleTypes
tots-node
to enforce CJS when transpiling (#12397)[jest-config]
[BREAKING] Addmjs
andcjs
to defaultmoduleFileExtensions
config (#12578)[jest-config, jest-haste-map]
Allow searching for tests innode_modules
by exposingretainAllFiles
(#11084)[jest-core]
[BREAKING] Exit with status1
if no tests are found with--findRelatedTests
flag (#12487)[jest-core]
Do not report unref-ed subprocesses as open handles (#12705)[jest-each]
%#
is not replaced with index of the test case (#12517)[jest-each]
Fixes error message with incorrect count of missing arguments (#12464)[jest-environment-jsdom]
Makejsdom
accessible to extending environments again (#12232)[jest-environment-jsdom]
Log JSDOM errors more cleanly (#12386)[jest-environment-node]
AddMessageChannel
,MessageEvent
to globals (#12553)[jest-environment-node]
AddstructuredClone
to globals (#12631)[@jest/expect-utils]
[BREAKING] Fix false positives when looking forundefined
prop (#8923)[jest-haste-map]
Don't use partial results if file crawl errors (#12420)[jest-haste-map]
Make watchman existence check lazy+async (#12675)[jest-jasmine2, jest-types]
[BREAKING] Move alljasmine
specific types from@jest/types
to its own package (#12125)[jest-jasmine2]
Do not setduration
to0
for skipped tests (#12518)[jest-matcher-utils]
Pass maxWidth topretty-format
to avoid printing every element in arrays by default (#12402)[jest-mock]
Fix function overloads forspyOn
to allow more correct type inference in complex object (#12442)[jest-mock]
Handle overriddenFunction.name
property (#12674)[@jest/reporters]
Notifications generated by the--notify
flag are no longer persistent in GNOME Shell. (#11733)[@jest/reporters]
Move missing icon file which is needed forNotifyReporter
class. (#12593)[@jest/reporters]
Updatev8-to-istanbul
(#12697)[jest-resolver]
Call custom resolver with core node.js modules (#12654)[jest-runner]
Correctly resolvesource-map-support
(#12706)[jest-worker]
FixFarm
execution results memory leak (#12497)Chore & Maintenance
[*]
[BREAKING] Drop support for Node v10 and v15 and target first LTS16.13.0
(#12220)[*]
[BREAKING] Drop support fortypescript@3.8
, minimum version is now4.3
(#11142, #12648)[*]
Bundle all.d.ts
files into a singleindex.d.ts
per module (#12345)[*]
UseglobalThis
instead ofglobal
(#12447)[babel-jest]
[BREAKING] Only exportcreateTransformer
(#12407)[docs]
Add note about not mixingdone()
with Promises (#11077)[docs, examples]
Update React examples to match with the new React guidelines for code examples (#12217)[docs]
Add clarity for module factory hoisting limitations (#12453)[docs]
Add more information about how code transformers work (#12407)[docs]
Add upgrading guide (#12633)[expect]
[BREAKING] Remove support for importingbuild/utils
(#12323)[expect]
[BREAKING] Migrate to ESM (#12344)[expect]
[BREAKING] Snapshot matcher types are moved to@jest/expect
(#12404)[jest-cli]
Updateyargs
to v17 (#12357)[jest-config]
[BREAKING] RemovegetTestEnvironment
export (#12353)[jest-config]
[BREAKING] Rename config optionname
toid
(#11981)[jest-create-cache-key-function]
Added README.md file with basic usage instructions (#12492)[@jest/core]
Useindex.ts
instead ofjest.ts
as main export (#12329)[jest-environment-jsdom]
[BREAKING] Migrate to ESM (#12340)[jest-environment-node]
[BREAKING] Migrate to ESM (#12340)[jest-haste-map]
Remove legacyisRegExpSupported
(#12676)[@jest/fake-timers]
Update@sinonjs/fake_timers
to v9 (#12357)[jest-jasmine2, jest-runtime]
[BREAKING] UseSymbol
to passjest.setTimeout
value instead ofjasmine
specific logic (#12124)[jest-phabricator]
[BREAKING] Migrate to ESM (#12341)[jest-resolve]
[BREAKING] MakerequireResolveFunction
argument mandatory (#12353)[jest-runner]
[BREAKING] Remove some type exports from@jest/test-result
(#12353)[jest-runner]
[BREAKING] Second argument to constructor (Context
) is not optional (#12640)[jest-serializer]
[BREAKING] Deprecate package in favour of usingv8
APIs directly (#12391)[jest-snapshot]
[BREAKING] Migrate to ESM (#12342)[jest-transform]
Updatewrite-file-atomic
to v4 (#12357)[jest-types]
[BREAKING] RemoveConfig.Glob
andConfig.Path
(#12406)[jest]
Useindex.ts
instead ofjest.ts
as main export (#12329)Performance
[jest-haste-map]
[BREAKING] Default tonode
crawler over shelling out tofind
ifwatchman
is not enabled (#12320)New Contributors
node_modules
jestjs/jest#11084db.close
no longer necessary jestjs/jest#8333%#
is not replaced with index of the test case jestjs/jest#12517SearchSource
jestjs/jest#12526--shard
option jestjs/jest#12546ts-jest
jestjs/jest#12607structuredClone
to globals jestjs/jest#12631isRegExpSupported
jestjs/jest#12676Full Changelog: jestjs/jest@v27.5.1...v28.0.0
v27.5.1 (2022-02-08T10:53:44Z)
Features
[jest-config]
Support comments in JSON config file (#12316)[pretty-format]
ExposeConvertAnsi
plugin (#12308)Fixes
[expect]
Add type definitions for asymmetriccloseTo
matcher (#12304)[jest-cli]
Load binary via exported API (#12315)[jest-config]
Replacejsonlint
withparse-json
(#12316)[jest-repl]
Make module importable (#12311 & #12315)Chore & Maintenance
[*]
Avoid anonymous default exports (#12313)New Contributors
Full Changelog: jestjs/jest@v27.5.0...v27.5.1
v27.5.0 (2022-02-05T10:00:57Z)
Features
[expect]
Add asymmetric matcherexpect.closeTo
(#12243)[jest-mock]
AddedmockFn.mock.lastCall
to retrieve last argument (#12285)Fixes
[expect]
Add a fix for.toHaveProperty('')
(#12251)[jest-each, @jest/globals]
Allow passingReadonlyArray
type of a table todescribe.each
andtest.each
(#12297)[@jest/globals]
Add missingoptions
argument tojest.doMock
typing (#12292)[jest-environment-node]
Addatob
andbtoa
(#12269)[jest-matcher-utils]
Correct diff for expected asymmetric matchers (#12264)[jest-message-util]
Fix.getTopFrame()
(andtoMatchInlineSnapshot()
) withmjs
files (#12277)Chore & Maintenance
[*]
Updategraceful-fs
to^4.2.9
(#11749)Performance
[jest-resolve]
perf: skip error creation on not foundstat
calls (#11749)New Contributors
atob
andbtoa
jestjs/jest#12269retryTimes
placement jestjs/jest#12212Full Changelog: jestjs/jest@v27.4.7...v27.5.0
v27.4.7 (2022-01-05T13:06:35Z)
Fixes
jest-config
Add missing@babel/core
dependency (#12216)Full Changelog: jestjs/jest@v27.4.6...v27.4.7
v27.4.6 (2022-01-04T23:05:38Z)
Fixes
[jest-environment-node]
AddAbortSignal
(#12157)[jest-environment-node]
Add Missing node globalperformance
(#12002)[jest-runtime]
Handle missingmocked
property (#12213)[@jest/transform]
Update dependency packagepirates
to 4.0.4 (#12002)Performance
jest-config
perf: only register ts-node once when loading TS config files (#12160)New Contributors
pirates
to 4.0.4 jestjs/jest#12136istanbul-reports
version to 3.1.3 jestjs/jest#12204Full Changelog: jestjs/jest@v27.4.5...v27.4.6
v27.4.5 (2021-12-13T19:38:44Z)
Fixes
[jest-worker]
Stop explicitly passingprocess.env
(#12141)New Contributors
__test__
to__tests__
jestjs/jest#12144Full Changelog: jestjs/jest@v27.4.4...v27.4.5
v27.4.4 (2021-12-10T04:44:39Z)
Fixes
[babel-jest]
Addprocess.version
chunk to the cache key (#12122)[jest-environment]
Addmocked
tojest
object (#12133)[jest-worker]
Stop explicitly passingexecArgv
(#12128)Chore & Maintenance
[website]
Fix the card front that looks overlapping part of the card backNew Contributors
Full Changelog: jestjs/jest@v27.4.3...v27.4.4
v27.4.3 (2021-12-01T14:01:19Z)
27.4.3
Fixes
[jest-environment-jsdom]
Remove@types/jsdom
dependency (and make itsdom
propertyprivate
) (#12107)Full Changelog: jestjs/jest@v27.4.2...v27.4.3
v27.4.2 (2021-11-30T11:55:41Z)
27.4.2
Fixes
[jest-worker]
Add additionalexecArgv
to filter (#12103)New Contributors
Full Changelog: jestjs/jest@v27.4.1...v27.4.2
v27.4.1 (2021-11-30T08:38:28Z)
Fixes
[jest-worker]
FilterexecArgv
correctly (#12097)New Contributors
process.execArgv
jestjs/jest#12097Full Changelog: jestjs/jest@v27.4.0...v27.4.1
v27.4.0 (2021-11-29T13:39:48Z)
Features
[expect]
Enhancing thetoHaveProperty
matcher to support array selection (#12092)[jest-core]
Add support fortestResultsProcessor
written in ESM (#12006)[jest-diff, pretty-format]
AddcompareKeys
option for custom sorting of object keys (#11992)[jest-mock]
Addts-jest
mock util functions (#12089)Fixes
[expect]
Allow againexpect.Matchers
generic with single value (#11986)[jest-circus, jest-jasmine2]
Avoid false concurrent test failures due to unhandled promise rejections (#11987)[jest-config]
Add missingslash
dependency topackage.json
(#12080)[jest-core]
Incorrect detection of open ZLIB handles (#12022)[jest-diff]
Break dependency cycle (#10818)[jest-environment-jsdom]
Add@types/jsdom
dependency (#11999)[jest-environment-jsdom]
Do not reset the global.document too early on teardown (#11871)[jest-transform]
Improve error and warning messages (#11998)[jest-worker]
PassexecArgv
correctly toworker_threads
worker (#12069)Chore & Maintenance
[docs]
CLI options alphabetized (#11586)[jest-runner]
Add info regarding timers to forcedExit message(#12083)[*]
Replacedsubstr
method withsubstring
(#12066)[*]
Addtypes
entry to all export maps (#12073)New Contributors
substr
withsubstring
jestjs/jest#12066types
entry in export map jestjs/jest#12073toHaveProperty
matcher to support array selection jestjs/jest#12092Full Changelog: jestjs/jest@v27.3.1...v27.4.0
v27.3.1 (2021-10-19T06:58:50Z)
Fixes
[expect]
Makeexpect
extension propertiesconfigurable
(#11978)[expect]
Fix.any()
checks on primitive wrapper classes (#11976)Chore & Maintenance
[expect]
BigInt
global is always defined, don't check for its existence at runtime (#11979)[jest-config, jest-util]
Useci-info
instead ofis-ci
to detect CI environment (#11973)New Contributors
expect
matcher extension overwrite jestjs/jest#11978.any()
checks on primitive wrapper classes jestjs/jest#11976Full Changelog: jestjs/jest@v27.3.0...v27.3.1
v27.3.0 (2021-10-17T18:36:17Z)
Features
[jest-config]
AddtestEnvironmentOptions.html
to apply to jsdom input (#11950)[jest-resolver]
Support default export (.
) inexports
field ifmain
is missing (#11919)Fixes
[expect]
Tweak and improve types (#11949)[jest-runtime]
Ensure absolute paths can be resolved within test modules (#11943)[jest-runtime]
Fixinstanceof
forModernFakeTimers
andLegacyFakeTimers
methods (#11946)New Contributors
require.resolve
absolute paths jestjs/jest#11943instanceof
forModernFakeTimers
andLegacyFakeTimers
methods jestjs/jest#11946Full Changelog: jestjs/jest@v27.2.5...v27.3.0
v27.2.5 (2021-10-08T13:41:28Z)
Features
[jest-config]
Warn when multiple Jest configs are located (#11922)Fixes
[expect]
Pass matcher context to asymmetric matchers (#11926 & #11930)[expect]
Improve TypeScript types (#11931)[expect]
Improve typings oftoThrow()
andtoThrowError()
matchers (#11929)[jest-cli]
Improve--help
printout by removing defunct--browser
option (#11914)[jest-haste-map]
Use distinct cache paths for different values ofcomputeDependencies
(#11916)[@jest/reporters]
Do not bufferconsole.log
s when using verbose reporter (#11054)Chore & Maintenance
[expect]
Export default matchers (#11932)[@jest/types]
Mark deprecated configuration options as@deprecated
(#11913)New Contributors
Full Changelog: jestjs/jest@v27.2.4...v27.2.5
v27.2.4 (2021-09-29T14:06:09Z)
Features
[expect]
Add equality checks for Array Buffers inexpect.ToStrictEqual()
(#11805)Fixes
[jest-snapshot]
Correctly indent inline snapshots (#11560)v27.2.3 (2021-09-28T10:12:23Z)
Features
[@jest/fake-timers]
Update@sinonjs/fake-timers
to v8 (#11879)Fixes
[jest-config]
ParsetestEnvironmentOptions
if received from CLI (#11902)[jest-reporters]
Calldestroy
onv8-to-istanbul
converters to free memory (#11896)v27.2.2 (2021-09-25T13:36:46Z)
Fixes
[jest-runtime]
CorrectwrapperLength
value for ESM modules. (#11893)v27.2.1 (2021-09-20T13:28:48Z)
Features
[jest-transform]
Improve the unexpected token error message. (#11807)Fixes
[jest-runtime]
Fix regression when usingjest.isolateModules
and mocks (#11882)[jest-runtime]
Include test name when importing modules after test has completed (#11885)[jest-runtime]
Error when ESM import is used after test is torn down (#11885)v27.2.0 (2021-09-13T08:08:14Z)
Features
[jest-resolver, jest-runtime]
Passconditions
to custom resolvers to enable them to implement support for package.jsonexports
field (#11859)[jest-runtime]
Allow custom envs to specifyexportConditions
which is passed together with Jest's own conditions to custom resolvers (#11863)Fixes
[@jest/reporters]
Use async transform if available to transform files with no coverage (#11852)[jest-util]
Return correct value fromprocess.send
stub (#11799)v27.1.1 (2021-09-08T10:13:54Z)
Features
[jest-runtime]
Add experimental, limited (and undocumented) support for mocking ECMAScript Modules (#11818)Fixes
[jest-resolver]
Supportnode:
prefix when importing Node core modules with ESM (#11817)[jest-types]
Export thePrettyFormatOptions
interface (#11801)v27.1.0 (2021-08-27T10:00:59Z)
Features
[jest-haste-map]
Use watchman suffix-set option for faster file indexing. (#11784)[jest-cli]
Adds a new config optionssnapshotFormat
which offers a way to override any of the formatting settings which come with pretty-format. (#11654)[jest-reporters]
Expose thegetSummary
util (#11695).[jest-resolver]
Supportnode:
prefix when importing Node core modules (#11331)Fixes
[jest-each]
Relaxed the validation to allow multibyte characters in headings (#11575)[jest-environment-jsdom]
Add support foruserAgent
option (#11773)[jest-environment-node]
AddEvent
andEventTarget
to node global environment. (#11727)[jest-mock]
FixspyOn
to useObject.prototype.hasOwnProperty
(#11721)[jest-resolver]
Add dependency onjest-haste-map
(#11759)[jest-types]
Compat with@types/node
v16 (#11645)Chore & Maintenance
[docs]
Correctexpects.assertions
documentation by adding async/await for asynchronous function.v27.0.6 (2021-06-28T17:08:31Z)
Fixes
[*]
Publish all modules to include the build change in #11569v27.0.5 (2021-06-22T11:12:08Z)
Features
[@jest/fake-timers]
Flush callbacks scheduled withrequestAnimationFrame
every 16ms when using legacy timers. (#11523)[pretty-format]
UseglobalThis
(with polyfill if required) to bring support for esbuild's browser bundling mode (#11569Fixes
[jest-core]
Support special characters like@
,+
and()
on Windows with--findRelatedTests
(#11548)[@jest/fake-timers]
Do not addsetImmediate
andclearImmediate
if they do not exist in the global environment (#11599)[@jest/reporters]
Allownode-notifier@10
as peer dependency (#11523)[@jest/reporters]
Updatev8-to-istanbul
(#11523)v27.0.4 (2021-06-03T08:30:47Z)
Fixes
[jest-config, jest-resolve]
Pass inrequire.resolve
to resolvers to resolve from correct base (#11493)v27.0.3 (2021-05-29T17:49:03Z)
Fixes
[jest-config]
require.resolve
on default test sequencer and test environment (#11482)[jest-mock]
Fixedfn
andspyOn
exports (#11480)v27.0.2 (2021-05-29T12:10:41Z)
Features
[jest-circus]
Add some APIs to make it easier to build your own test runner[jest-reporters]
Expose thegetResultHeader
util (#11460)[jest-resolver]
Exportresolve*
utils for different Jest modules (#11466)[@jest/test-result]
ExportTest
,TestEvents
andTestFileEvent
(#11466)Fixes
[jest-circus]
Add missingslash
dependency (#11465)[jest-circus, @jest/test-sequencer]
Remove dependency onjest-runner
(#11466)[jest-config]
Resolveconfig.runner
to absolute path (#11465)[jest-config]
Make sure to support functions as config (#11475)[jest-core]
Do not warn aboutDNSCHANNEL
handles when using the--detectOpenHandles
option (#11470)[jest-runner]
Remove dependency onjest-config
(#11466)[jest-worker]
Loosen engine requirement to>= 10.13.0
(#11451)v27.0.1 (2021-05-25T10:08:35Z)
Fixes
[jest-environment-jsdom]
Bump version of JSDOM to avoid deprecatedrequest
package (#11442)v27.0.0 (2021-05-25T08:18:21Z)
Blog post
Features
[babel-jest]
Add async transformation (#11192)[jest-changed-files]
Use '--' to separate paths from revisions (#11160)[jest-circus]
[BREAKING] Fail tests when multipledone()
calls are made (#10624)[jest-circus, jest-jasmine2]
[BREAKING] Fail the test instead of just warning when describe returns a value (#10947)[jest-config]
[BREAKING] Default to Node testing environment instead of browser (JSDOM) (#9874)[jest-config]
[BREAKING] Usejest-circus
as default test runner (#10686)[jest-config]
Add support forpreset
written in ESM (#11200)[jest-config, jest-runtime]
Support ESM for files other than.js
and.mjs
(#10823)[jest-config, jest-runtime]
[BREAKING] Use "modern" implementation as default for fake timers (#10874 & #11197)[jest-config
Allow passingforceNodeFilesystemAPI
through tojest-haste-map
(#11264)[jest-config, jest-haste-map, jest-resolve, jest-runner, jest-runtime, jest-test-sequencer, jest-transform, jest-types]
[BREAKING] Add custom HasteMap class implementation config option (#11107)[jest-core]
makeTestWatcher
extendemittery
(#10324)[jest-core]
Run failed tests interactively the same way we do with snapshots (#10858)[jest-core]
moreTestSequencer
methods can be async (#10980)[jest-core]
Add support fortestSequencer
written in ESM (#11207)[jest-core]
Add support forglobalSetup
andglobalTeardown
written in ESM (#11267)[jest-core]
Add support forwatchPlugins
written in ESM (#11315)[jest-core]
Add support forrunner
written in ESM (#11232)[jest-core]
Add support forreporters
written in ESM (#11427)[jest-each]
Add support for interpolation with object properties (#11388)[jest-environment-node]
Add AbortController to globals (#11182)[@jest/fake-timers]
Update to@sinonjs/fake-timers
to v7 (#11198)[jest-haste-map]
Handle injected scm clocks (#10966)[jest-haste-map]
AddenableSymlinks
configuration option to follow symlinks for test files (#9351)[jest-repl, jest-runner]
[BREAKING] Run transforms over environment (#8751)[jest-repl]
Add support fortestEnvironment
written in ESM (#11232)[jest-runner]
[BREAKING] set exit code to 1 if test logs after teardown (#10728)[jest-runner]
[BREAKING] Run transforms overrunnner
(#8823)[jest-runner]
[BREAKING] Run transforms overtestRunnner
(#8823)[jest-runner]
Possibility to use ESM for test environment (11033)[jest-runner]
Add support fortestRunner
written in ESM (#11232)[jest-runtime]
Detect reexports from CJS as named exports in ESM (#10988)[jest-runtime]
Support for async code transformations (#11191 & #11220)[jest-reporters]
Add static filepath property to all reporters (#11015)[jest-snapshot]
[BREAKING] Make prettier optional for inline snapshots - fall back to string replacement (#7792 & #11192)[jest-snapshot]
[BREAKING] Run transforms oversnapshotResolver
(#8751)[jest-transform]
Pass config options defined in Jest's config to transformer'sprocess
andgetCacheKey
functions (#10926)[jest-transform]
Add support for transformers written in ESM (#11163)[jest-transform]
[BREAKING] Do not exportScriptTransformer
class, instead export the async functioncreateScriptTransformer
(#11163)[jest-transform]
Async code transformations (#9889)[jest-transform]
Support transpiled transformers (#11193)[jest-transform]
[BREAKING]requireAndTranspileModule
always return aPromise
, and the third parameter type is changed toRequireAndTranspileModuleOptions
which acceptapplyInteropRequireDefault
option (#11232)[jest-transform]
[BREAKING]createTranspilingRequire
return function which return aPromise
now (#11232)[jest-util]
add requireOrImportModule for importing CJS or ESM (#11199)[jest-util]
addapplyInteropRequireDefault
option onrequireOrImportModule
(#11232)[jest-watcher]
Added support for clearing the line when<C-u>
is pressed in a watch mode pattern prompt (#11358)[jest-worker]
Add support for custom task queues and adds aPriorityQueue
implementation. (#10921)[jest-worker]
Add in-order scheduling policy to jest worker (10902)[pretty-format]
Better print for sparse arrays (11326)[pretty-print]
Add optionprintBasicPrototype
which determines whether or not the prototype should be printed for raw objects or arrays (#11441)Fixes
[babel-plugin-jest-hoist]
Add__dirname
and__filename
to whitelisted globals (#10903)[expect]
[BREAKING] Reviseexpect.not.objectContaining()
to be the inverse ofexpect.objectContaining()
, as documented. (#10708)[expect]
[BREAKING] MaketoContain
more strict with the received type (#10119 & #10929)[expect]
[BREAKING]matcherResult
onJestAssertionError
are now strings rather than functions (#10989)[jest-circus]
Fixed the issue of beforeAll & afterAll hooks getting executed even if it is inside a skippeddescribe
block #10451[jest-circus]
FixtestLocation
on Windows when usingtest.each
(#10871)[jest-cli]
Use testFailureExitCode when bailing from a failed test (#10958)[jest-cli]
Print custom error if error thrown from global hooks is not an error already (#11003)[jest-cli]
Allow running multiple "projects" from programmatic API (#11307)[jest-cli]
Fix missing collectCoverage after init (#11353)[jest-cli, jest-config, jest-types]
Move all default values intojest-config
(#9924)[jest-config]
[BREAKING] Change default file extension order by moving json behind ts and tsx (10572)[jest-console]
console.dir
now respects the second argument correctly (#10638)[jest-core]
Don't report PerformanceObserver as open handle (#11123)[jest-core]
UseWeakRef
to hold timers when detecting open handles (#11277)[jest-core]
Correctly detect open handles that were created in test functions usingdone
callbacks (#11382)[jest-core]
Do not collectRANDOMBYTESREQUEST
as open handles (#11278)[jest-core]
Wait briefly for open handles to close before flagging them when using--detectOpenHandles
(#11429)[jest-diff]
[BREAKING] Use only named exports (#11371)[jest-each]
[BREAKING] Ignore excess words in headings (#8766)[jest-each]
Support array index with template strings (#10763)[jest-each]
Interpolate%%
correctly (#11364)[jest-each]
Fix wrong interpolation when the value of array contains multiple%
(#11364)[jest-environment]
[BREAKING] Drop support forrunScript
for test environments (#11155)[jest-environment-jsdom]
Use inner realm’sArrayBuffer
constructor (#10885)[jest-environment-jsdom]
[BREAKING] Remove Node globalssetImmediate
andclearImmediate
#11222[jest-get-type]
[BREAKING] Convert to ES Module (#11359)[jest-globals]
[BREAKING] Disallow return values other than aPromise
from hooks and tests (#10512)[jest-globals]
[BREAKING] Disallow mixing a done callback and returning aPromise
from hooks and tests (#10512)[jest-haste-map]
VendorNodeWatcher
fromsane
(#10919)[jest-jasmine2]
Fixed the issue ofbeforeAll
&afterAll
hooks getting executed even if it is inside a skippeddescribe
block when it has childtests
marked as eitheronly
ortodo
#10451[jest-jasmine2]
Fixed the issues of childtests
marked withonly
ortodo
getting executed even if it is inside a skipped parentdescribe
block #10451[jest-jasmine2]
Wrap all test functions so they open handles that were created in test functions usingdone
callbacks can be detected (#11382)[jest-reporter]
Handle empty files when reporting code coverage with V8 (#10819)[jest-resolve]
Replace read-pkg-up with escalade package (#10781)[jest-resolve]
Disablejest-pnp-resolver
for Yarn 2 (#10847)[jest-runtime]
[BREAKING] Do not injectglobal
variable into module wrapper (#10644)[jest-runtime]
[BREAKING] remove long-deprecatedjest.addMatchers
,jest.resetModuleRegistry
, andjest.runTimersToTime
(#9853)[jest-runtime]
Fix stack overflow and promise deadlock when importing mutual dependant ES module (#10892)[jest-runtime]
Prevent global module registry from leaking intoisolateModules
registry (#10963)[jest-runtime]
Refactor to prevent race condition when linking and evaluating ES Modules (#11150)[jest-runtime]
Throw correct error when attempting to load ESM viarequire
(#11260)[jest-runtime]
Do not cache modules that throw during evaluation (#11263)[jest-transform]
Show enhancedSyntaxError
message for allSyntaxError
s (#10749)[jest-transform]
[BREAKING] Refactor API to pass an options bag around rather than multiple boolean options (#10753)[jest-transform]
[BREAKING] Refactor API of transformers to pass an options bag rather than separateconfig
and other options (#10834)[jest-types]
FixConfig.ts
projects
types (#11285)[jest-util]
Replace micromatch with picomatch to fix issues with negated globs (#11287)[jest-validate]
Useen-US
locale to avoid case conversion problems while validating CLI options on machines with some certain locales(e.g. Turkish) set as default locale. (#11412)[jest-worker]
[BREAKING] Use named exports (#10623)[jest-worker]
Do not swallow errors during serialization (#10984)[jest-worker]
HandleERR_IPC_CHANNEL_CLOSED
errors properly (#11143)[pretty-format]
[BREAKING] Convert to ES Modules (#10515)[pretty-format]
Only callhasAttribute
if it's a function (#11000)[pretty-format]
Handle jsdom attributes properly (#11189)[pretty-format]
Import pretty-format using named imports (#11360)Chore & Maintenance
[*]
[BREAKING] Only support Node LTS releases and Node 15 (#10685)[*]
[BREAKING] Addexports
field to allpackage.json
s (#9921)[*]
Make it easier for Jest's packages to use the VM escape hatch (#10824)[*]
[BREAKING] Remove deprecatedmapCoverage
(#9968)[babel-jest]
[BREAKING] Migrate to ESM (#11193)[docs]
Correct example usingbrowser-resolve
(#11140)[docs]
Clarifytimers
configuration property (#11376)[jest, jest-core]
[BREAKING] ReplaceTestScheduler
export withcreateTestScheduler
(#11427)[jest-config]
[BREAKING] RemoveenabledTestsMap
config, usefilter
instead (#10787)[jest-console]
[BREAKING] Moveroot
intoconfig
and takeGlobalConfig
as mandatory parameter forgetConsoleOutput
(#10126)[jest-console]
Export LogEntry (#11017)[jest-fake-timers]
Clarify global behavior ofjest.useFakeTimers
andjest.useRealTimers
(#10867)[jest-haste-map]
[BREAKING] Migrate to ESM (#10875)[jest-haste-map]
[BREAKING] Remove support for deprecated optionignorePattern
as function (#10348)[jest-jasmine2]
[BREAKING] Migrate to ESM (#10906)[jest-jasmine2]
[BREAKING] Remove unused options argument fromEnv
constructor (#10240)[jest-repl, jest-runtime]
[BREAKING] Move thejest-runtime
CLI intojest-repl
(#10016 & #10925)[jest-resolve]
[BREAKING] Migrate to ESM (#10688)[jest-resolve-dependencies]
[BREAKING] Migrate to ESM (#10876)[jest-mock]
[BREAKING] Migrate to ESM (#10887)[jest-reporters]
[BREAKING] Makenode-notifier
a peer dependency (#10977)[jest-resolve, jest-runtime]
[BREAKING] UseMap
s instead of objects for all cached resources (#10968)[jest-runner]
[BREAKING] Migrate to ESM (#10900)[jest-runtime]
[BREAKING] Remove deprecated and unusedgetSourceMapInfo
from Runtime (#9969)[jest-transformer]
[BREAKING] Remove unusedisCoreModule
option (#11166)[jest-util]
No longer checkingenumerable
when addingprocess.domain
(#10862)[jest-validate]
[BREAKING] RemoverecursiveBlacklist
option in favor of previously introducedrecursiveDenylist
(#10650)[website]
Replace 'Github' with 'GitHub' (#11279)[website]
Remove a language code from the link to the Node.js website (#11282)[website]
Remove a duplicated word (#11281)[website]
Add french to website (#11361)Performance
[jest-resolve]
Cache reading and parsing ofpackage.json
s (#11076)[jest-runtime, jest-transform]
sharecacheFS
between runtime and transformer (#10901)[jest-runtime]
Loadchalk
only once per worker (#10864)[jest-worker]
Fix memory leak of previous task arguments while no new task is scheduled (#11187)