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This PR contains the following updates:
26.6.3
->27.0.2
Release Notes
facebook/jest
v27.0.2
Compare Source
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
Compare Source
Fixes
[jest-environment-jsdom]
Bump version of JSDOM to avoid deprecatedrequest
package (#11442)v27.0.0
Compare Source
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)Configuration
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