facebook/jest
### [`v26.6.1`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2661)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.6.0...v26.6.1)
##### Features
- `[jest-runtime]` Support named exports from CommonJS as named ES Module imports ([#10673](https://togithub.com/facebook/jest/pull/10673))
- `[jest-validate]` Add support for `recursiveDenylist` option as an alternative to `recursiveBlacklist` ([#10236](https://togithub.com/facebook/jest/pull/10236))
##### Fixes
- `[expect]` Fix `objectContaining` to work recursively into sub-objects ([#10508](https://togithub.com/facebook/jest/pull/10508))
- `[jest-cli, jest-core, jest-config, jest-types]` Fix `--onlyFailures` flag to work in non-watch mode ([#10678](https://togithub.com/facebook/jest/pull/10678/files))
- `[jest-config]` Fix for the `jest.config.ts` compiler to not interfere with `tsconfig.json` files ([#10675](https://togithub.com/facebook/jest/pull/10675))
- `[jest-message-util]` Update to work properly with Node 15 ([#10660](https://togithub.com/facebook/jest/pull/10660))
- `[jest-mock]` Allow to mock methods in getters (TypeScript 3.9 export) ([#10156](https://togithub.com/facebook/jest/pull/10156))
### [`v26.6.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2660)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.5.3...v26.6.0)
##### Features
- `[jest-cli, jest-config]` Add support for the `jest.config.ts` configuration file ([#10564](https://togithub.com/facebook/jest/pull/10564))
##### Fixes
- `[jest-config]` Simplify transform RegExp ([#10207](https://togithub.com/facebook/jest/pull/10207))
- `[jest-fake-timers]` Lazily instantiate mock timers ([#10551](https://togithub.com/facebook/jest/pull/10551))
- `[jest-runtime]` `require.main` is no longer `undefined` when using `jest.resetModules` ([#10626](https://togithub.com/facebook/jest/pull/10626))
- `[@jest/types]` Add missing values for `timers` ([#10632](https://togithub.com/facebook/jest/pull/10632))
##### Chore & Maintenance
- `[docs]` Add step for fetching `backers.json` file in website setup docs ([#10631](https://togithub.com/facebook/jest/pull/10631))
- `[docs]` Add page detailing environment variables set by Jest ([#10630](https://togithub.com/facebook/jest/pull/10630))
- `[jest-circus]` Refactor `callAsyncCircusFn` parameters ([#10629](https://togithub.com/facebook/jest/pull/10629))
### [`v26.5.3`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2653)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.5.2...v26.5.3)
##### Features
- `[jest-runtime]` add support for dynamic `import()` from CommonJS ([#10620](https://togithub.com/facebook/jest/pull/10620))
##### Fixes
- `[jest-runner, jest-runtime]` `require.main` should not be `undefined` with `createRequire()` ([#10610](https://togithub.com/facebook/jest/pull/10610))
- `[jest-runtime]` add missing `module.path` property ([#10615](https://togithub.com/facebook/jest/pull/10615))
- `[jest-runtime]` Add `mainModule` instance variable to runtime ([#10621](https://togithub.com/facebook/jest/pull/10621))
- `[jest-runtime]` Evaluate Node core modules on dynamic `import()` ([#10622](https://togithub.com/facebook/jest/pull/10622))
- `[jest-validate]` Show suggestion only when unrecognized cli param is longer than 1 character ([#10604](https://togithub.com/facebook/jest/pull/10604))
- `[jest-validate]` Validate `testURL` as CLI option ([#10595](https://togithub.com/facebook/jest/pull/10595))
### [`v26.5.2`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2652)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.5.0...v26.5.2)
##### Fixes
- `[*]` Revert usage of Escalade and rollback Yargs to v15 as it breaks Node 13 ([#10599](https://togithub.com/facebook/jest/pull/10599))
- `[jest-circus]` Setup globals before emitting `setup`, and include Jest globals in the `setup` payload ([#10598](https://togithub.com/facebook/jest/pull/10598))
- `[jest-mock]` Fix typings for `mockResolvedValue`, `mockResolvedValueOnce`, `mockRejectedValue` and `mockRejectedValueOnce` ([#10600](https://togithub.com/facebook/jest/pull/10600))
### [`v26.5.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2650)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.4.2...v26.5.0)
##### Features
- `[jest-circus, jest-config, jest-runtime]` Add new `injectGlobals` config and CLI option to disable injecting global variables into the runtime ([#10484](https://togithub.com/facebook/jest/pull/10484))
- `[jest-each]` Fixes `.each` type to always be callable ([#10447](https://togithub.com/facebook/jest/pull/10447))
- `[jest-runner]` Add support for `moduleLoader`s with `default` exports ([#10541](https://togithub.com/facebook/jest/pull/10541))
- `[@jest/create-cache-key-function]` Added a new package for creating cache keys ([#10587](https://togithub.com/facebook/jest/pull/10587))
##### Fixes
- `[jest-circus, jest-jasmine2]` Find correct location for `test.each` tests ([#10413](https://togithub.com/facebook/jest/pull/10413))
- `[jest-console]` Add `Console` constructor to `console` object ([#10502](https://togithub.com/facebook/jest/pull/10502))
- `[jest-globals]` Fix lifecycle hook function types ([#10480](https://togithub.com/facebook/jest/pull/10480))
- `[jest-runtime]` Remove usage of `vm.compileFunction` due to a performance issue ([#10586](https://togithub.com/facebook/jest/pull/10586))
##### Chore & Maintenance
- `[jest-resolve]` Replace read-pkg-up with escalade package ([10558](https://togithub.com/facebook/jest/pull/10558))
- `[jest-environment-jsdom]` Update jsdom to 16.4.0 ([10578](https://togithub.com/facebook/jest/pull/10578))
### [`v26.4.2`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2642)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.4.1...v26.4.2)
##### Fixes
- `[expect]` Fix `toMatchObject` to work with inherited class getters ([#10381](https://togithub.com/facebook/jest/pull/10381))
- `[pretty-format]` Lower minimum node version to >= 10 ([#10435](https://togithub.com/facebook/jest/pull/10435))
### [`v26.4.1`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2641)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.4.0...v26.4.1)
##### Fixes
- `[jest-core]` Don't report ELDHistogram as open handle ([#10417](https://togithub.com/facebook/jest/pull/10417))
- `[jest-matcher-utils]` Fix diffing object contain readonly symbol key object ([#10414](https://togithub.com/facebook/jest/pull/10414))
- `[jest-reporters]` Fixes notify reporter on Linux (using notify-send) ([#10393](https://togithub.com/facebook/jest/pull/10400))
- `[jest-snapshot]` Correctly handles arrays and property matchers in snapshots ([#10404](https://togithub.com/facebook/jest/pull/10404))
### [`v26.4.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2640)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.3.0...v26.4.0)
##### Features
- `[jest-resolve]` Add support for `packageFilter` on custom resolver ([#10393](https://togithub.com/facebook/jest/pull/10393))
##### Fixes
- `[pretty-format]` Handle `tagName` not being a string ([#10397](https://togithub.com/facebook/jest/pull/10397))
### [`v26.3.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2630)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.2.2...v26.3.0)
##### Features
- `[jest-circus, jest-jasmine2]` Include `failureDetails` property in test results ([#9496](https://togithub.com/facebook/jest/pull/9496))
- `[jest-each, jest-jasmine, jest-circus]` Add support for `.concurrent.each` ([#9326](https://togithub.com/facebook/jest/pull/9326))
##### Fixes
- `[jest-config]` Add `.pnp.js` to `transformIgnorePatterns` defaults ([#10383](https://togithub.com/facebook/jest/pull/10383))
- `[jest-leak-detector]` Wait properly for GC runs due to changes in Node 14.7 ([#10366](https://togithub.com/facebook/jest/pull/10366))
- `[jest-worker]` Downgrade minimum node version to 10.13 ([#10352](https://togithub.com/facebook/jest/pull/10352))
- `[docs]` Update snapshot testing documentation([#10359](https://togithub.com/facebook/jest/pull/10359))
### [`v26.2.2`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2622)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.2.1...v26.2.2)
##### Fixes
- `[jest-cli]` Use correct file name to override existing jest config on init ([#10337](https://togithub.com/facebook/jest/pull/10337))
- `[jest-haste-map]` Properly detect support for native `find` ([#10346](https://togithub.com/facebook/jest/pull/10346))
### [`v26.2.1`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2621)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.2.0...v26.2.1)
##### Fixes
- `[jest-worker]` Make sure to work with Node TS typings v12 ([#10336](https://togithub.com/facebook/jest/pull/10336))
### [`v26.2.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2620)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.1.0...v26.2.0)
##### Features
- `[jest-core, jest-circus, jest-reporter, jest-runner]` Added support for reporting individual test cases using jest-circus ([#10227](https://togithub.com/facebook/jest/pull/10227))
- `[jest-config, jest-reporter, jest-runner, jest-test-sequencer]` Add `slowTestThreshold` configuration option ([#9366](https://togithub.com/facebook/jest/pull/9366))
- `[jest-haste-map]` Watchman crawler now includes dotfiles ([#10075](https://togithub.com/facebook/jest/pull/10075))
- `[jest-worker]` Added support for workers to send custom messages to parent in jest-worker ([#10293](https://togithub.com/facebook/jest/pull/10293))
- `[jest-worker]` Support passing `resourceLimits` ([#10335](https://togithub.com/facebook/jest/pull/10335))
- `[pretty-format]` Added support for serializing custom elements (web components) ([#10217](https://togithub.com/facebook/jest/pull/10237))
##### Fixes
- `[expect]` Match symbols and bigints in `any()` ([#10223](https://togithub.com/facebook/jest/pull/10223))
- `[jest-changed-files]` Use `git diff` instead of `git log` for `--changedSince` ([#10155](https://togithub.com/facebook/jest/pull/10155))
- `[jest-console]` Add missing `console.timeLog` for compatibility with Node ([#10209](https://togithub.com/facebook/jest/pull/10209))
- `[jest-haste-map]` Check `find` binary supports the `-iname` parameter ([#10308](https://togithub.com/facebook/jest/pull/10308))
- `[jest-snapshot]` Strip added indentation for inline error snapshots ([#10217](https://togithub.com/facebook/jest/pull/10217))
##### Chore & Maintenance
- `[*]` Add missing dependency on `@types/node` ([#10248](https://togithub.com/facebook/jest/pull/10248))
- `[jest-jasmine2]` Convert `PCancelable` to TypeScript ([#10215](https://togithub.com/facebook/jest/pull/10215))
- `[jest-jasmine2]` Refine typings of `queueRunner` ([#10215](https://togithub.com/facebook/jest/pull/10215))
- `[jest-jasmine2]` Remove usage of `Function` type ([#10216](https://togithub.com/facebook/jest/pull/10216))
- `[jest-resolve]` Improve types ([#10239](https://togithub.com/facebook/jest/pull/10239))
- `[docs]` Clarify the [`jest.requireActual(moduleName)`](https://jestjs.io/docs/en/jest-object#jestrequireactualmodulename) example
- `[jest-types]` Refine typings of `coverageReporters` ([#10275](https://togithub.com/facebook/jest/pull/10275))
### [`v26.1.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2610)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.0.1...v26.1.0)
##### Features
- `[jest-mock]` Export `Mock`, `MockInstance`, `SpyInstance` types ([#10138](https://togithub.com/facebook/jest/pull/10138))
- `[jest-config]` Support config files exporting (`async`) `function`s ([#10001](https://togithub.com/facebook/jest/pull/10001))
- `[jest-cli, jest-core]` Add `--selectProjects` CLI argument to filter test suites by project name ([#8612](https://togithub.com/facebook/jest/pull/8612))
- `[jest-cli, jest-init]` Add `coverageProvider` to `jest --init` prompts ([#10044](https://togithub.com/facebook/jest/pull/10044))
##### Fixes
- `[jest-console]` `getConsoleOutput` to receive global stack trace config and use it to format stack trace ([#10081](https://togithub.com/facebook/jest/pull/10081))
- `[jest-jasmine2]` Stop adding `:` after an error that has no message ([#9990](https://togithub.com/facebook/jest/pull/9990))
- `[jest-diff]` Control no diff message color with `commonColor` in diff options ([#9997](https://togithub.com/facebook/jest/pull/9997))
- `[jest-snapshot]` Fix TypeScript compilation ([#10008](https://togithub.com/facebook/jest/pull/10008))
##### Chore & Maintenance
- `[docs]` Correct confusing filename in `enableAutomock` example ([#10055](https://togithub.com/facebook/jest/pull/10055))
- `[jest-core]` 🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉 ([#10000](https://togithub.com/facebook/jest/pull/10000))
- `[jest-core, jest-reporters, jest-test-result, jest-types]` Cleanup `displayName` type ([#10049](https://togithub.com/facebook/jest/pull/10049))
- `[jest-runtime]` Jest-internal sandbox escape hatch ([#9907](https://togithub.com/facebook/jest/pull/9907))
- `[jest-fake-timers]` Update `now` param type to support `Date` in addition to `number`. ([#10169](https://togithub.com/facebook/jest/pull/10169))
- `[docs]` Add param to `setSystemTime` docs and remove preceding period from it and `getRealSystemTime` ([#10169](https://togithub.com/facebook/jest/pull/10169))
- `[jest-snapshot, jest-util]` Replace `make-dir` with `fs.mkdir` ([#10136](https://togithub.com/facebook/jest/pull/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](https://togithub.com/facebook/jest/pull/10131))
### [`v26.0.1`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2601)
[Compare Source](https://togithub.com/facebook/jest/compare/v26.0.0...v26.0.1)
##### Fixes
- `[jest-circus]` Backward compatibility for deprecated `DescribeBlock.tests` to not break e.g. Detox reporter
### [`v26.0.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2600)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.5.4...v26.0.0)
##### Features
- `[jest-environment-jsdom]` [**BREAKING**] Upgrade `jsdom` to v16 ([#9606](https://togithub.com/facebook/jest/pull/9606))
- `[@jest/fake-timers]` Add possibility to use a modern implementation of fake timers, backed by `@sinonjs/fake-timers` ([#7776](https://togithub.com/facebook/jest/pull/7776))
- `[jest-runtime]` Add `createMockFromModule` as an alias for `genMockFromModule` ([#9962](https://togithub.com/facebook/jest/pull/9962))
##### Fixes
- `[babel-jest]` Handle `null` being passed to `createTransformer` ([#9955](https://togithub.com/facebook/jest/pull/9955))
- `[jest-circus, jest-console, jest-jasmine2, jest-reporters, jest-util, pretty-format]` Fix time durating formatting and consolidate time formatting code ([#9765](https://togithub.com/facebook/jest/pull/9765))
- `[jest-circus]` [**BREAKING**] Fail tests if a test takes a done callback and have return values ([#9129](https://togithub.com/facebook/jest/pull/9129))
- `[jest-circus]` [**BREAKING**] Throw a proper error if a test / hook is defined asynchronously ([#8096](https://togithub.com/facebook/jest/pull/8096))
- `[jest-circus]` Throw more descriptive error if hook is defined inside test ([#9957](https://togithub.com/facebook/jest/pull/9957))
- `[jest-circus]` [**BREAKING**] Align execution order of tests to match `jasmine`'s top to bottom order ([#9965](https://togithub.com/facebook/jest/pull/9965))
- `[jest-config, jest-resolve]` [**BREAKING**] Remove support for `browser` field ([#9943](https://togithub.com/facebook/jest/pull/9943))
- `[jest-haste-map]` Stop reporting files as changed when they are only accessed ([#7347](https://togithub.com/facebook/jest/pull/7347))
- `[jest-resolve]` Show relative path from root dir for `module not found` errors ([#9963](https://togithub.com/facebook/jest/pull/9963))
- `[jest-runtime]` Fix absolute path moduleNameMapper + jest.mock bug ([#8727](https://togithub.com/facebook/jest/pull/8727))
##### Chore & Maintenance
- `[*]` [**BREAKING**] TypeScript definitions requires a minimum of TypeScript v3.8 ([#9823](https://togithub.com/facebook/jest/pull/9823))
- `[*]` [**BREAKING**] Drop support for Node 8 ([#9423](https://togithub.com/facebook/jest/pull/9423))
- `[*]` Upgrade to chalk@4 ([#9752](https://togithub.com/facebook/jest/pull/9752))
- `[*]` Remove usage of `realpath-native` ([#9952](https://togithub.com/facebook/jest/pull/9952))
- `[docs]` Fix example reference implementation to use Jest with Phabricator ([#8662](https://togithub.com/facebook/jest/pull/8662))
- `[docs]` Added default compiler to tranform ([#8583](https://togithub.com/facebook/jest/pull/8583))
- `[docs]` Updated Testing Frameworks guide with React; make it generic ([#9106](https://togithub.com/facebook/jest/pull/9106))
- `[expect, jest-mock, pretty-format]` [**BREAKING**] Remove `build-es5` from package ([#9945](https://togithub.com/facebook/jest/pull/9945))
- `[@jest/fake-timers, @jest/environment]` [**BREAKING**] Rename `LolexFakeTimers` to `ModernFakeTimers` ([#9960](https://togithub.com/facebook/jest/pull/9960))
- `[jest-haste-map]` [**BREAKING**] removed `providesModuleNodeModules` ([#8535](https://togithub.com/facebook/jest/pull/8535))
- `[jest-runtime]` [**BREAKING**] Remove long-deprecated `require.requireActual` and `require.requireMock` methods ([#9854](https://togithub.com/facebook/jest/pull/9854))
### [`v25.5.4`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2554)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.5.3...v25.5.4)
##### Fixes
- `[jest-jasmine2]` Don't run `beforeAll` / `afterAll` in skipped describe blocks ([#9931](https://togithub.com/facebook/jest/pull/9931))
##### Chore & Maintenance
- `[jest-runtime]` Do not warn when mutating `require.cache` ([#9946](https://togithub.com/facebook/jest/pull/9946))
### [`v25.5.3`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2553)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.5.2...v25.5.3)
##### Chore & Maintenance
- `[jest-circus]` Fix memory leak when running in band ([#9934](https://togithub.com/facebook/jest/pull/9934))
### [`v25.5.2`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2552)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.5.1...v25.5.2)
##### Fixes
- `[jest-globals]` Export globals as values, not types ([#9925](https://togithub.com/facebook/jest/pull/9925))
### [`v25.5.1`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2551)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.5.0...v25.5.1)
##### Fixes
- `[jest-haste-map]` Add missing `@types/graceful-fs` dependency ([#9913](https://togithub.com/facebook/jest/pull/9913))
- `[jest-runner]` Correctly serialize `Set` passed to worker ([#9915](https://togithub.com/facebook/jest/pull/9915))
- `[jest-runtime]` Vary ESM cache by query ([#9914](https://togithub.com/facebook/jest/pull/9914))
### [`v25.5.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2550)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.4.0...v25.5.0)
##### Features
- `[@jest/globals]` New package so Jest's globals can be explicitly imported ([#9801](https://togithub.com/facebook/jest/pull/9801))
- `[jest-core]` Show coverage of sources related to tests in changed files ([#9769](https://togithub.com/facebook/jest/pull/9769))
- `[jest-runtime]` Populate `require.cache` ([#9841](https://togithub.com/facebook/jest/pull/9841))
##### Fixes
- `[*]` Use `graceful-fs` directly in every package instead of relying on `fs` being monkey patched ([#9443](https://togithub.com/facebook/jest/pull/9443))
- `[expect]` Prints the Symbol name into the error message with a custom asymmetric matcher ([#9888](https://togithub.com/facebook/jest/pull/9888))
- `[jest-circus, jest-jasmine2]` Support older version of `jest-runtime` ([#9903](https://togithub.com/facebook/jest/pull/9903) & [#9842](https://togithub.com/facebook/jest/pull/9842))
- `[@jest/environment]` Make sure not to reference Jest types ([#9875](https://togithub.com/facebook/jest/pull/9875))
- `[jest-message-util]` Code frame printing should respect `--noStackTrace` flag ([#9866](https://togithub.com/facebook/jest/pull/9866))
- `[jest-runtime]` Support importing CJS from ESM using `import` statements ([#9850](https://togithub.com/facebook/jest/pull/9850))
- `[jest-runtime]` Support importing parallel dynamic `import`s ([#9858](https://togithub.com/facebook/jest/pull/9858))
- `[jest-transform]` Improve source map handling when instrumenting transformed code ([#9811](https://togithub.com/facebook/jest/pull/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](https://togithub.com/facebook/jest/pull/9872))
- `[jest-resolve]` Pass custom cached `realpath` function to `resolve` ([#9873](https://togithub.com/facebook/jest/pull/9873))
- `[jest-runtime]` Add `teardown` method to clear any caches when tests complete ([#9906](https://togithub.com/facebook/jest/pull/9906))
- `[jest-runtime]` Do not pass files required internally through transformation when loading them ([#9900](https://togithub.com/facebook/jest/pull/9900))
- `[jest-runtime]` Use `Map`s instead of object literals as cache holders ([#9901](https://togithub.com/facebook/jest/pull/9901))
### [`v25.4.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2540)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.3.0...v25.4.0)
- `[expect]` Support `async function`s in `toThrow` ([#9817](https://togithub.com/facebook/jest/pull/9817))
- `[jest-console]` Add code frame to `console.error` and `console.warn` ([#9741](https://togithub.com/facebook/jest/pull/9741))
- `[jest-runtime, jest-jasmine2, jest-circus]` Experimental, limited ECMAScript Modules support ([#9772](https://togithub.com/facebook/jest/pull/9772) & [#9842](https://togithub.com/facebook/jest/pull/9842))
##### Fixes
- `[expect]` Restore support for passing functions to `toHaveLength` matcher ([#9796](https://togithub.com/facebook/jest/pull/9796))
- `[jest-changed-files]` `--only-changed` should include staged files ([#9799](https://togithub.com/facebook/jest/pull/9799))
- `[jest-circus]` Throw on nested test definitions ([#9828](https://togithub.com/facebook/jest/pull/9828))
- `[jest-each]` `each` will throw an error when called with too many arguments ([#9818](https://togithub.com/facebook/jest/pull/9818))
- `[jest-runner]` Don't print warning to stdout when using `--json` ([#9843](https://togithub.com/facebook/jest/pull/9843))
##### Chore & Maintenance
- `[*]` Do not generate TypeScript declaration source maps ([#9822](https://togithub.com/facebook/jest/pull/9822))
- `[*]` Transpile code for Node 8.3, not 8.0 ([#9827](https://togithub.com/facebook/jest/pull/9827))
### [`v25.3.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2530)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.2.7...v25.3.0)
##### Features
- `[babel-jest]` Support passing `supportsDynamicImport` and `supportsStaticESM` ([#9766](https://togithub.com/facebook/jest/pull/9766))
- `[babel-preset-jest]` Enable all syntax plugins not enabled by default that works on current version of Node ([#9774](https://togithub.com/facebook/jest/pull/9774))
- `[jest-circus]` Enable writing async test event handlers ([#9397](https://togithub.com/facebook/jest/pull/9397))
- `[jest-runtime, @jest/transformer]` Support passing `supportsDynamicImport` and `supportsStaticESM` ([#9597](https://togithub.com/facebook/jest/pull/9597))
##### Chore & Maintenance
- `[*]` Replace `any`s with `unknown`s ([#9626](https://togithub.com/facebook/jest/pull/9626))
- `[@jest/transform]` Expose type `CacheKeyOptions` for `getCacheKey` ([#9762](https://togithub.com/facebook/jest/pull/9762))
- `[@jest/types]` Correct type `testRegex` for `ProjectConfig` ([#9780](https://togithub.com/facebook/jest/pull/9780))
### [`v25.2.7`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2527)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.2.6...v25.2.7)
##### Fixes
- `[jest-matcher-utils]` Replace accessors with values to avoid calling setters in object descriptors when computing diffs for error reporting ([#9757](https://togithub.com/facebook/jest/pull/9757))
- `[@jest/watcher]` Correct return type of `shouldRunTestSuite` for `JestHookEmitter` ([#9753](https://togithub.com/facebook/jest/pull/9753))
### [`v25.2.6`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2526)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.2.4...v25.2.6)
##### Chore & Maintenance
- `[*]` 25.2.5 was published without changes from 25.2.4 - 25.2.6 includes all changes from that version.
### [`v25.2.4`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2524)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.2.3...v25.2.4)
##### Features
- `[jest-message-util]` Check for common errors when using the wrong test environment ([#8245](https://togithub.com/facebook/jest/pull/8245))
##### Fixes
- `[jest-circus]` Fix type elision of jest-runtime imports ([#9717](https://togithub.com/facebook/jest/pull/9717))
- `[@jest/transform]` Fix coverage reporter for uncovered files without transformers, reverting [#9460](https://togithub.com/facebook/jest/pull/9460) ([#9724](https://togithub.com/facebook/jest/pull/9724))
### [`v25.2.3`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2523)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.2.2...v25.2.3)
##### Fixes
- `[*]` Verify all packages are properly downleveled for older versions of TypeScript ([#9715](https://togithub.com/facebook/jest/pull/9715))
### [`v25.2.2`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2522)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.2.1...v25.2.2)
##### Fixes
- `[jest-environment-node]` Remove `getVmContext` from Node env on older versions of Node ([#9708](https://togithub.com/facebook/jest/pull/9708))
- `[jest-runtime]` Return constructable class from `require('module')` ([#9711](https://togithub.com/facebook/jest/pull/9711))
### [`v25.2.1`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2521)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.2.0...v25.2.1)
##### Fixes
- `[*]` Downlevel TypeScript definitions files for compatibility with TS<3.8 ([#9705](https://togithub.com/facebook/jest/pull/9705))
### [`v25.2.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2520)
[Compare Source](https://togithub.com/facebook/jest/compare/v25.1.0...v25.2.0)
##### Features
- `[jest-config]` Support ESM config files with `.js` extension ([#9573](https://togithub.com/facebook/jest/pull/9573)).
- `[jest-runtime]` Override `module.createRequire` to return a Jest-compatible `require` function ([#9469](https://togithub.com/facebook/jest/pull/9469))
- `[jest-haste-map]` [**BREAKING**] Remove `mapper` option ([#9581](https://togithub.com/facebook/jest/pull/9581))
- `[*]` Support array of paths for `moduleNameMapper` aliases ([#9465](https://togithub.com/facebook/jest/pull/9465))
- `[jest-reporters]` Adds ability to pass options to the istanbul-reporter through `coverageReporters` ([#9572](https://togithub.com/facebook/jest/pull/9572))
- `[jest-runtime]` Require stack when a module cannot be resolved ([#9681](https://togithub.com/facebook/jest/pull/9681))
- `[jest-transform]` `writeCacheFile` no longer calls `fsync` ([#9695](https://togithub.com/facebook/jest/pull/9695))
##### Fixes
- `[expect]` Handle readonly properties correctly ([#9575](https://togithub.com/facebook/jest/pull/9575))
- `[jest-cli]` Set `coverageProvider` correctly when provided in config ([#9562](https://togithub.com/facebook/jest/pull/9562))
- `[jest-cli]` Allow specifying `.cjs` and `.mjs` config files by `--config` CLI option ([#9578](https://togithub.com/facebook/jest/pull/9578))
- `[jest-cli]` Update yargs to fix CLI flag overriding ([#9519](https://togithub.com/facebook/jest/pull/9519))
- `[jest-config]` Treat `setupFilesAfterEnv` like `setupFiles` when normalizing configs against presets ([#9495](https://togithub.com/facebook/jest/pull/9495))
- `[jest-config]` Support `.mjs` config files on Windows as well ([#9558](https://togithub.com/facebook/jest/pull/9558))
- `[jest-config]` Verify `rootDir` and all `roots` are directories ([#9569](https://togithub.com/facebook/jest/pull/9569))
- `[jest-config]` Ensure pattern of `replacePosixSep` is a string ([#9546](https://togithub.com/facebook/jest/pull/9546))
- `[jest-haste-map]` Fix crash on unix based systems without find ([#9579](https://togithub.com/facebook/jest/pull/9579))
- `[jest-jasmine2]` Fix `--testNamePattern` matching with `concurrent` tests ([#9090](https://togithub.com/facebook/jest/pull/9090))
- `[jest-matcher-utils]` Fix diff highlight of symbol-keyed object. ([#9499](https://togithub.com/facebook/jest/pull/9499))
- `[@jest/reporters]` Notifications should be fire&forget rather than having a timeout ([#9567](https://togithub.com/facebook/jest/pull/9567))
- `[jest-resolve]` Fix module identity preservation with symlinks and browser field resolution ([#9511](https://togithub.com/facebook/jest/pull/9511))
- `[jest-resolve]` Do not confuse directories with files ([#8912](https://togithub.com/facebook/jest/pull/8912))
- `[jest-resolve]` `moduleNameMapper` should take precedence over Node core modules ([#9563](https://togithub.com/facebook/jest/pull/9563))
- `[jest-runtime]` Reset `isolateModules` if it fails ([#9541](https://togithub.com/facebook/jest/pull/9541))
- `[jest-runtime]` Yarn PnP errors displayed to the user ([#9681](https://togithub.com/facebook/jest/pull/9681))
- `[jest-snapshot]` Downgrade semver to v6 to support node 8 ([#9451](https://togithub.com/facebook/jest/pull/9451))
- `[jest-snapshot]` Properly indent new snapshots in the presences of existing ones ([#9523](https://togithub.com/facebook/jest/pull/9523))
- `[jest-transform]` Correct sourcemap behavior for transformed and instrumented code ([#9460](https://togithub.com/facebook/jest/pull/9460))
- `[jest-transform]` Allow instrumentation of transformed files with weird file extensions ([#9589](https://togithub.com/facebook/jest/pull/9589))
- `[@jest/types]` Make `ConfigGlobals` an interface to allow for declaration merging. ([#9570](https://togithub.com/facebook/jest/pull/9570))
- `[pretty-format]` Export `OldPlugin` type ([#9491](https://togithub.com/facebook/jest/pull/9491))
##### Chore & Maintenance
- `[docs]` Warn about unexpected behavior / bug of node-notifier when using the `notify` options.
- `[docs]` Grammatical corrections to Async docs page. ([#9679](https://togithub.com/facebook/jest/pull/9679))
- `[jest-resolver]` Use `resolve` package to implement custom module resolution ([#9520](https://togithub.com/facebook/jest/pull/9520))
- `[jest-runtime]` Move execution of `setupFiles` to `jest-runner` ([#9596](https://togithub.com/facebook/jest/pull/9596))
- `[jest-runtime]` Update anchor link in `helpers` ([#9616](https://togithub.com/facebook/jest/pull/9616))
- `[@jest/reporters]` Remove unused dependencies and type exports ([#9462](https://togithub.com/facebook/jest/pull/9462))
- `[website]` Update pictures of reports when matchers fail ([#9214](https://togithub.com/facebook/jest/pull/9214))
##### Performance
- `[jest-haste-map]` Reduce number of `lstat` calls in node crawler ([#9514](https://togithub.com/facebook/jest/pull/9514))
Renovate configuration
:date: Schedule: At any time (no schedule defined).
:vertical_traffic_light: Automerge: Disabled by config. Please merge this manually once you are satisfied.
:recycle: Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
:no_bell: Ignore: Close this PR and you won't be reminded about this update again.
[ ] If you want to rebase/retry this PR, check this box
This PR contains the following updates:
25.1.0
->26.6.1
Release Notes
facebook/jest
### [`v26.6.1`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2661) [Compare Source](https://togithub.com/facebook/jest/compare/v26.6.0...v26.6.1) ##### Features - `[jest-runtime]` Support named exports from CommonJS as named ES Module imports ([#10673](https://togithub.com/facebook/jest/pull/10673)) - `[jest-validate]` Add support for `recursiveDenylist` option as an alternative to `recursiveBlacklist` ([#10236](https://togithub.com/facebook/jest/pull/10236)) ##### Fixes - `[expect]` Fix `objectContaining` to work recursively into sub-objects ([#10508](https://togithub.com/facebook/jest/pull/10508)) - `[jest-cli, jest-core, jest-config, jest-types]` Fix `--onlyFailures` flag to work in non-watch mode ([#10678](https://togithub.com/facebook/jest/pull/10678/files)) - `[jest-config]` Fix for the `jest.config.ts` compiler to not interfere with `tsconfig.json` files ([#10675](https://togithub.com/facebook/jest/pull/10675)) - `[jest-message-util]` Update to work properly with Node 15 ([#10660](https://togithub.com/facebook/jest/pull/10660)) - `[jest-mock]` Allow to mock methods in getters (TypeScript 3.9 export) ([#10156](https://togithub.com/facebook/jest/pull/10156)) ### [`v26.6.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2660) [Compare Source](https://togithub.com/facebook/jest/compare/v26.5.3...v26.6.0) ##### Features - `[jest-cli, jest-config]` Add support for the `jest.config.ts` configuration file ([#10564](https://togithub.com/facebook/jest/pull/10564)) ##### Fixes - `[jest-config]` Simplify transform RegExp ([#10207](https://togithub.com/facebook/jest/pull/10207)) - `[jest-fake-timers]` Lazily instantiate mock timers ([#10551](https://togithub.com/facebook/jest/pull/10551)) - `[jest-runtime]` `require.main` is no longer `undefined` when using `jest.resetModules` ([#10626](https://togithub.com/facebook/jest/pull/10626)) - `[@jest/types]` Add missing values for `timers` ([#10632](https://togithub.com/facebook/jest/pull/10632)) ##### Chore & Maintenance - `[docs]` Add step for fetching `backers.json` file in website setup docs ([#10631](https://togithub.com/facebook/jest/pull/10631)) - `[docs]` Add page detailing environment variables set by Jest ([#10630](https://togithub.com/facebook/jest/pull/10630)) - `[jest-circus]` Refactor `callAsyncCircusFn` parameters ([#10629](https://togithub.com/facebook/jest/pull/10629)) ### [`v26.5.3`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2653) [Compare Source](https://togithub.com/facebook/jest/compare/v26.5.2...v26.5.3) ##### Features - `[jest-runtime]` add support for dynamic `import()` from CommonJS ([#10620](https://togithub.com/facebook/jest/pull/10620)) ##### Fixes - `[jest-runner, jest-runtime]` `require.main` should not be `undefined` with `createRequire()` ([#10610](https://togithub.com/facebook/jest/pull/10610)) - `[jest-runtime]` add missing `module.path` property ([#10615](https://togithub.com/facebook/jest/pull/10615)) - `[jest-runtime]` Add `mainModule` instance variable to runtime ([#10621](https://togithub.com/facebook/jest/pull/10621)) - `[jest-runtime]` Evaluate Node core modules on dynamic `import()` ([#10622](https://togithub.com/facebook/jest/pull/10622)) - `[jest-validate]` Show suggestion only when unrecognized cli param is longer than 1 character ([#10604](https://togithub.com/facebook/jest/pull/10604)) - `[jest-validate]` Validate `testURL` as CLI option ([#10595](https://togithub.com/facebook/jest/pull/10595)) ### [`v26.5.2`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2652) [Compare Source](https://togithub.com/facebook/jest/compare/v26.5.0...v26.5.2) ##### Fixes - `[*]` Revert usage of Escalade and rollback Yargs to v15 as it breaks Node 13 ([#10599](https://togithub.com/facebook/jest/pull/10599)) - `[jest-circus]` Setup globals before emitting `setup`, and include Jest globals in the `setup` payload ([#10598](https://togithub.com/facebook/jest/pull/10598)) - `[jest-mock]` Fix typings for `mockResolvedValue`, `mockResolvedValueOnce`, `mockRejectedValue` and `mockRejectedValueOnce` ([#10600](https://togithub.com/facebook/jest/pull/10600)) ### [`v26.5.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2650) [Compare Source](https://togithub.com/facebook/jest/compare/v26.4.2...v26.5.0) ##### Features - `[jest-circus, jest-config, jest-runtime]` Add new `injectGlobals` config and CLI option to disable injecting global variables into the runtime ([#10484](https://togithub.com/facebook/jest/pull/10484)) - `[jest-each]` Fixes `.each` type to always be callable ([#10447](https://togithub.com/facebook/jest/pull/10447)) - `[jest-runner]` Add support for `moduleLoader`s with `default` exports ([#10541](https://togithub.com/facebook/jest/pull/10541)) - `[@jest/create-cache-key-function]` Added a new package for creating cache keys ([#10587](https://togithub.com/facebook/jest/pull/10587)) ##### Fixes - `[jest-circus, jest-jasmine2]` Find correct location for `test.each` tests ([#10413](https://togithub.com/facebook/jest/pull/10413)) - `[jest-console]` Add `Console` constructor to `console` object ([#10502](https://togithub.com/facebook/jest/pull/10502)) - `[jest-globals]` Fix lifecycle hook function types ([#10480](https://togithub.com/facebook/jest/pull/10480)) - `[jest-runtime]` Remove usage of `vm.compileFunction` due to a performance issue ([#10586](https://togithub.com/facebook/jest/pull/10586)) ##### Chore & Maintenance - `[jest-resolve]` Replace read-pkg-up with escalade package ([10558](https://togithub.com/facebook/jest/pull/10558)) - `[jest-environment-jsdom]` Update jsdom to 16.4.0 ([10578](https://togithub.com/facebook/jest/pull/10578)) ### [`v26.4.2`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2642) [Compare Source](https://togithub.com/facebook/jest/compare/v26.4.1...v26.4.2) ##### Fixes - `[expect]` Fix `toMatchObject` to work with inherited class getters ([#10381](https://togithub.com/facebook/jest/pull/10381)) - `[pretty-format]` Lower minimum node version to >= 10 ([#10435](https://togithub.com/facebook/jest/pull/10435)) ### [`v26.4.1`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2641) [Compare Source](https://togithub.com/facebook/jest/compare/v26.4.0...v26.4.1) ##### Fixes - `[jest-core]` Don't report ELDHistogram as open handle ([#10417](https://togithub.com/facebook/jest/pull/10417)) - `[jest-matcher-utils]` Fix diffing object contain readonly symbol key object ([#10414](https://togithub.com/facebook/jest/pull/10414)) - `[jest-reporters]` Fixes notify reporter on Linux (using notify-send) ([#10393](https://togithub.com/facebook/jest/pull/10400)) - `[jest-snapshot]` Correctly handles arrays and property matchers in snapshots ([#10404](https://togithub.com/facebook/jest/pull/10404)) ### [`v26.4.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2640) [Compare Source](https://togithub.com/facebook/jest/compare/v26.3.0...v26.4.0) ##### Features - `[jest-resolve]` Add support for `packageFilter` on custom resolver ([#10393](https://togithub.com/facebook/jest/pull/10393)) ##### Fixes - `[pretty-format]` Handle `tagName` not being a string ([#10397](https://togithub.com/facebook/jest/pull/10397)) ### [`v26.3.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2630) [Compare Source](https://togithub.com/facebook/jest/compare/v26.2.2...v26.3.0) ##### Features - `[jest-circus, jest-jasmine2]` Include `failureDetails` property in test results ([#9496](https://togithub.com/facebook/jest/pull/9496)) - `[jest-each, jest-jasmine, jest-circus]` Add support for `.concurrent.each` ([#9326](https://togithub.com/facebook/jest/pull/9326)) ##### Fixes - `[jest-config]` Add `.pnp.js` to `transformIgnorePatterns` defaults ([#10383](https://togithub.com/facebook/jest/pull/10383)) - `[jest-leak-detector]` Wait properly for GC runs due to changes in Node 14.7 ([#10366](https://togithub.com/facebook/jest/pull/10366)) - `[jest-worker]` Downgrade minimum node version to 10.13 ([#10352](https://togithub.com/facebook/jest/pull/10352)) - `[docs]` Update snapshot testing documentation([#10359](https://togithub.com/facebook/jest/pull/10359)) ### [`v26.2.2`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2622) [Compare Source](https://togithub.com/facebook/jest/compare/v26.2.1...v26.2.2) ##### Fixes - `[jest-cli]` Use correct file name to override existing jest config on init ([#10337](https://togithub.com/facebook/jest/pull/10337)) - `[jest-haste-map]` Properly detect support for native `find` ([#10346](https://togithub.com/facebook/jest/pull/10346)) ### [`v26.2.1`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2621) [Compare Source](https://togithub.com/facebook/jest/compare/v26.2.0...v26.2.1) ##### Fixes - `[jest-worker]` Make sure to work with Node TS typings v12 ([#10336](https://togithub.com/facebook/jest/pull/10336)) ### [`v26.2.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2620) [Compare Source](https://togithub.com/facebook/jest/compare/v26.1.0...v26.2.0) ##### Features - `[jest-core, jest-circus, jest-reporter, jest-runner]` Added support for reporting individual test cases using jest-circus ([#10227](https://togithub.com/facebook/jest/pull/10227)) - `[jest-config, jest-reporter, jest-runner, jest-test-sequencer]` Add `slowTestThreshold` configuration option ([#9366](https://togithub.com/facebook/jest/pull/9366)) - `[jest-haste-map]` Watchman crawler now includes dotfiles ([#10075](https://togithub.com/facebook/jest/pull/10075)) - `[jest-worker]` Added support for workers to send custom messages to parent in jest-worker ([#10293](https://togithub.com/facebook/jest/pull/10293)) - `[jest-worker]` Support passing `resourceLimits` ([#10335](https://togithub.com/facebook/jest/pull/10335)) - `[pretty-format]` Added support for serializing custom elements (web components) ([#10217](https://togithub.com/facebook/jest/pull/10237)) ##### Fixes - `[expect]` Match symbols and bigints in `any()` ([#10223](https://togithub.com/facebook/jest/pull/10223)) - `[jest-changed-files]` Use `git diff` instead of `git log` for `--changedSince` ([#10155](https://togithub.com/facebook/jest/pull/10155)) - `[jest-console]` Add missing `console.timeLog` for compatibility with Node ([#10209](https://togithub.com/facebook/jest/pull/10209)) - `[jest-haste-map]` Check `find` binary supports the `-iname` parameter ([#10308](https://togithub.com/facebook/jest/pull/10308)) - `[jest-snapshot]` Strip added indentation for inline error snapshots ([#10217](https://togithub.com/facebook/jest/pull/10217)) ##### Chore & Maintenance - `[*]` Add missing dependency on `@types/node` ([#10248](https://togithub.com/facebook/jest/pull/10248)) - `[jest-jasmine2]` Convert `PCancelable` to TypeScript ([#10215](https://togithub.com/facebook/jest/pull/10215)) - `[jest-jasmine2]` Refine typings of `queueRunner` ([#10215](https://togithub.com/facebook/jest/pull/10215)) - `[jest-jasmine2]` Remove usage of `Function` type ([#10216](https://togithub.com/facebook/jest/pull/10216)) - `[jest-resolve]` Improve types ([#10239](https://togithub.com/facebook/jest/pull/10239)) - `[docs]` Clarify the [`jest.requireActual(moduleName)`](https://jestjs.io/docs/en/jest-object#jestrequireactualmodulename) example - `[jest-types]` Refine typings of `coverageReporters` ([#10275](https://togithub.com/facebook/jest/pull/10275)) ### [`v26.1.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2610) [Compare Source](https://togithub.com/facebook/jest/compare/v26.0.1...v26.1.0) ##### Features - `[jest-mock]` Export `Mock`, `MockInstance`, `SpyInstance` types ([#10138](https://togithub.com/facebook/jest/pull/10138)) - `[jest-config]` Support config files exporting (`async`) `function`s ([#10001](https://togithub.com/facebook/jest/pull/10001)) - `[jest-cli, jest-core]` Add `--selectProjects` CLI argument to filter test suites by project name ([#8612](https://togithub.com/facebook/jest/pull/8612)) - `[jest-cli, jest-init]` Add `coverageProvider` to `jest --init` prompts ([#10044](https://togithub.com/facebook/jest/pull/10044)) ##### Fixes - `[jest-console]` `getConsoleOutput` to receive global stack trace config and use it to format stack trace ([#10081](https://togithub.com/facebook/jest/pull/10081)) - `[jest-jasmine2]` Stop adding `:` after an error that has no message ([#9990](https://togithub.com/facebook/jest/pull/9990)) - `[jest-diff]` Control no diff message color with `commonColor` in diff options ([#9997](https://togithub.com/facebook/jest/pull/9997)) - `[jest-snapshot]` Fix TypeScript compilation ([#10008](https://togithub.com/facebook/jest/pull/10008)) ##### Chore & Maintenance - `[docs]` Correct confusing filename in `enableAutomock` example ([#10055](https://togithub.com/facebook/jest/pull/10055)) - `[jest-core]` 🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉 ([#10000](https://togithub.com/facebook/jest/pull/10000)) - `[jest-core, jest-reporters, jest-test-result, jest-types]` Cleanup `displayName` type ([#10049](https://togithub.com/facebook/jest/pull/10049)) - `[jest-runtime]` Jest-internal sandbox escape hatch ([#9907](https://togithub.com/facebook/jest/pull/9907)) - `[jest-fake-timers]` Update `now` param type to support `Date` in addition to `number`. ([#10169](https://togithub.com/facebook/jest/pull/10169)) - `[docs]` Add param to `setSystemTime` docs and remove preceding period from it and `getRealSystemTime` ([#10169](https://togithub.com/facebook/jest/pull/10169)) - `[jest-snapshot, jest-util]` Replace `make-dir` with `fs.mkdir` ([#10136](https://togithub.com/facebook/jest/pull/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](https://togithub.com/facebook/jest/pull/10131)) ### [`v26.0.1`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2601) [Compare Source](https://togithub.com/facebook/jest/compare/v26.0.0...v26.0.1) ##### Fixes - `[jest-circus]` Backward compatibility for deprecated `DescribeBlock.tests` to not break e.g. Detox reporter ### [`v26.0.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2600) [Compare Source](https://togithub.com/facebook/jest/compare/v25.5.4...v26.0.0) ##### Features - `[jest-environment-jsdom]` [**BREAKING**] Upgrade `jsdom` to v16 ([#9606](https://togithub.com/facebook/jest/pull/9606)) - `[@jest/fake-timers]` Add possibility to use a modern implementation of fake timers, backed by `@sinonjs/fake-timers` ([#7776](https://togithub.com/facebook/jest/pull/7776)) - `[jest-runtime]` Add `createMockFromModule` as an alias for `genMockFromModule` ([#9962](https://togithub.com/facebook/jest/pull/9962)) ##### Fixes - `[babel-jest]` Handle `null` being passed to `createTransformer` ([#9955](https://togithub.com/facebook/jest/pull/9955)) - `[jest-circus, jest-console, jest-jasmine2, jest-reporters, jest-util, pretty-format]` Fix time durating formatting and consolidate time formatting code ([#9765](https://togithub.com/facebook/jest/pull/9765)) - `[jest-circus]` [**BREAKING**] Fail tests if a test takes a done callback and have return values ([#9129](https://togithub.com/facebook/jest/pull/9129)) - `[jest-circus]` [**BREAKING**] Throw a proper error if a test / hook is defined asynchronously ([#8096](https://togithub.com/facebook/jest/pull/8096)) - `[jest-circus]` Throw more descriptive error if hook is defined inside test ([#9957](https://togithub.com/facebook/jest/pull/9957)) - `[jest-circus]` [**BREAKING**] Align execution order of tests to match `jasmine`'s top to bottom order ([#9965](https://togithub.com/facebook/jest/pull/9965)) - `[jest-config, jest-resolve]` [**BREAKING**] Remove support for `browser` field ([#9943](https://togithub.com/facebook/jest/pull/9943)) - `[jest-haste-map]` Stop reporting files as changed when they are only accessed ([#7347](https://togithub.com/facebook/jest/pull/7347)) - `[jest-resolve]` Show relative path from root dir for `module not found` errors ([#9963](https://togithub.com/facebook/jest/pull/9963)) - `[jest-runtime]` Fix absolute path moduleNameMapper + jest.mock bug ([#8727](https://togithub.com/facebook/jest/pull/8727)) ##### Chore & Maintenance - `[*]` [**BREAKING**] TypeScript definitions requires a minimum of TypeScript v3.8 ([#9823](https://togithub.com/facebook/jest/pull/9823)) - `[*]` [**BREAKING**] Drop support for Node 8 ([#9423](https://togithub.com/facebook/jest/pull/9423)) - `[*]` Upgrade to chalk@4 ([#9752](https://togithub.com/facebook/jest/pull/9752)) - `[*]` Remove usage of `realpath-native` ([#9952](https://togithub.com/facebook/jest/pull/9952)) - `[docs]` Fix example reference implementation to use Jest with Phabricator ([#8662](https://togithub.com/facebook/jest/pull/8662)) - `[docs]` Added default compiler to tranform ([#8583](https://togithub.com/facebook/jest/pull/8583)) - `[docs]` Updated Testing Frameworks guide with React; make it generic ([#9106](https://togithub.com/facebook/jest/pull/9106)) - `[expect, jest-mock, pretty-format]` [**BREAKING**] Remove `build-es5` from package ([#9945](https://togithub.com/facebook/jest/pull/9945)) - `[@jest/fake-timers, @jest/environment]` [**BREAKING**] Rename `LolexFakeTimers` to `ModernFakeTimers` ([#9960](https://togithub.com/facebook/jest/pull/9960)) - `[jest-haste-map]` [**BREAKING**] removed `providesModuleNodeModules` ([#8535](https://togithub.com/facebook/jest/pull/8535)) - `[jest-runtime]` [**BREAKING**] Remove long-deprecated `require.requireActual` and `require.requireMock` methods ([#9854](https://togithub.com/facebook/jest/pull/9854)) ### [`v25.5.4`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2554) [Compare Source](https://togithub.com/facebook/jest/compare/v25.5.3...v25.5.4) ##### Fixes - `[jest-jasmine2]` Don't run `beforeAll` / `afterAll` in skipped describe blocks ([#9931](https://togithub.com/facebook/jest/pull/9931)) ##### Chore & Maintenance - `[jest-runtime]` Do not warn when mutating `require.cache` ([#9946](https://togithub.com/facebook/jest/pull/9946)) ### [`v25.5.3`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2553) [Compare Source](https://togithub.com/facebook/jest/compare/v25.5.2...v25.5.3) ##### Chore & Maintenance - `[jest-circus]` Fix memory leak when running in band ([#9934](https://togithub.com/facebook/jest/pull/9934)) ### [`v25.5.2`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2552) [Compare Source](https://togithub.com/facebook/jest/compare/v25.5.1...v25.5.2) ##### Fixes - `[jest-globals]` Export globals as values, not types ([#9925](https://togithub.com/facebook/jest/pull/9925)) ### [`v25.5.1`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2551) [Compare Source](https://togithub.com/facebook/jest/compare/v25.5.0...v25.5.1) ##### Fixes - `[jest-haste-map]` Add missing `@types/graceful-fs` dependency ([#9913](https://togithub.com/facebook/jest/pull/9913)) - `[jest-runner]` Correctly serialize `Set` passed to worker ([#9915](https://togithub.com/facebook/jest/pull/9915)) - `[jest-runtime]` Vary ESM cache by query ([#9914](https://togithub.com/facebook/jest/pull/9914)) ### [`v25.5.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2550) [Compare Source](https://togithub.com/facebook/jest/compare/v25.4.0...v25.5.0) ##### Features - `[@jest/globals]` New package so Jest's globals can be explicitly imported ([#9801](https://togithub.com/facebook/jest/pull/9801)) - `[jest-core]` Show coverage of sources related to tests in changed files ([#9769](https://togithub.com/facebook/jest/pull/9769)) - `[jest-runtime]` Populate `require.cache` ([#9841](https://togithub.com/facebook/jest/pull/9841)) ##### Fixes - `[*]` Use `graceful-fs` directly in every package instead of relying on `fs` being monkey patched ([#9443](https://togithub.com/facebook/jest/pull/9443)) - `[expect]` Prints the Symbol name into the error message with a custom asymmetric matcher ([#9888](https://togithub.com/facebook/jest/pull/9888)) - `[jest-circus, jest-jasmine2]` Support older version of `jest-runtime` ([#9903](https://togithub.com/facebook/jest/pull/9903) & [#9842](https://togithub.com/facebook/jest/pull/9842)) - `[@jest/environment]` Make sure not to reference Jest types ([#9875](https://togithub.com/facebook/jest/pull/9875)) - `[jest-message-util]` Code frame printing should respect `--noStackTrace` flag ([#9866](https://togithub.com/facebook/jest/pull/9866)) - `[jest-runtime]` Support importing CJS from ESM using `import` statements ([#9850](https://togithub.com/facebook/jest/pull/9850)) - `[jest-runtime]` Support importing parallel dynamic `import`s ([#9858](https://togithub.com/facebook/jest/pull/9858)) - `[jest-transform]` Improve source map handling when instrumenting transformed code ([#9811](https://togithub.com/facebook/jest/pull/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](https://togithub.com/facebook/jest/pull/9872)) - `[jest-resolve]` Pass custom cached `realpath` function to `resolve` ([#9873](https://togithub.com/facebook/jest/pull/9873)) - `[jest-runtime]` Add `teardown` method to clear any caches when tests complete ([#9906](https://togithub.com/facebook/jest/pull/9906)) - `[jest-runtime]` Do not pass files required internally through transformation when loading them ([#9900](https://togithub.com/facebook/jest/pull/9900)) - `[jest-runtime]` Use `Map`s instead of object literals as cache holders ([#9901](https://togithub.com/facebook/jest/pull/9901)) ### [`v25.4.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2540) [Compare Source](https://togithub.com/facebook/jest/compare/v25.3.0...v25.4.0) - `[expect]` Support `async function`s in `toThrow` ([#9817](https://togithub.com/facebook/jest/pull/9817)) - `[jest-console]` Add code frame to `console.error` and `console.warn` ([#9741](https://togithub.com/facebook/jest/pull/9741)) - `[jest-runtime, jest-jasmine2, jest-circus]` Experimental, limited ECMAScript Modules support ([#9772](https://togithub.com/facebook/jest/pull/9772) & [#9842](https://togithub.com/facebook/jest/pull/9842)) ##### Fixes - `[expect]` Restore support for passing functions to `toHaveLength` matcher ([#9796](https://togithub.com/facebook/jest/pull/9796)) - `[jest-changed-files]` `--only-changed` should include staged files ([#9799](https://togithub.com/facebook/jest/pull/9799)) - `[jest-circus]` Throw on nested test definitions ([#9828](https://togithub.com/facebook/jest/pull/9828)) - `[jest-each]` `each` will throw an error when called with too many arguments ([#9818](https://togithub.com/facebook/jest/pull/9818)) - `[jest-runner]` Don't print warning to stdout when using `--json` ([#9843](https://togithub.com/facebook/jest/pull/9843)) ##### Chore & Maintenance - `[*]` Do not generate TypeScript declaration source maps ([#9822](https://togithub.com/facebook/jest/pull/9822)) - `[*]` Transpile code for Node 8.3, not 8.0 ([#9827](https://togithub.com/facebook/jest/pull/9827)) ### [`v25.3.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2530) [Compare Source](https://togithub.com/facebook/jest/compare/v25.2.7...v25.3.0) ##### Features - `[babel-jest]` Support passing `supportsDynamicImport` and `supportsStaticESM` ([#9766](https://togithub.com/facebook/jest/pull/9766)) - `[babel-preset-jest]` Enable all syntax plugins not enabled by default that works on current version of Node ([#9774](https://togithub.com/facebook/jest/pull/9774)) - `[jest-circus]` Enable writing async test event handlers ([#9397](https://togithub.com/facebook/jest/pull/9397)) - `[jest-runtime, @jest/transformer]` Support passing `supportsDynamicImport` and `supportsStaticESM` ([#9597](https://togithub.com/facebook/jest/pull/9597)) ##### Chore & Maintenance - `[*]` Replace `any`s with `unknown`s ([#9626](https://togithub.com/facebook/jest/pull/9626)) - `[@jest/transform]` Expose type `CacheKeyOptions` for `getCacheKey` ([#9762](https://togithub.com/facebook/jest/pull/9762)) - `[@jest/types]` Correct type `testRegex` for `ProjectConfig` ([#9780](https://togithub.com/facebook/jest/pull/9780)) ### [`v25.2.7`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2527) [Compare Source](https://togithub.com/facebook/jest/compare/v25.2.6...v25.2.7) ##### Fixes - `[jest-matcher-utils]` Replace accessors with values to avoid calling setters in object descriptors when computing diffs for error reporting ([#9757](https://togithub.com/facebook/jest/pull/9757)) - `[@jest/watcher]` Correct return type of `shouldRunTestSuite` for `JestHookEmitter` ([#9753](https://togithub.com/facebook/jest/pull/9753)) ### [`v25.2.6`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2526) [Compare Source](https://togithub.com/facebook/jest/compare/v25.2.4...v25.2.6) ##### Chore & Maintenance - `[*]` 25.2.5 was published without changes from 25.2.4 - 25.2.6 includes all changes from that version. ### [`v25.2.4`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2524) [Compare Source](https://togithub.com/facebook/jest/compare/v25.2.3...v25.2.4) ##### Features - `[jest-message-util]` Check for common errors when using the wrong test environment ([#8245](https://togithub.com/facebook/jest/pull/8245)) ##### Fixes - `[jest-circus]` Fix type elision of jest-runtime imports ([#9717](https://togithub.com/facebook/jest/pull/9717)) - `[@jest/transform]` Fix coverage reporter for uncovered files without transformers, reverting [#9460](https://togithub.com/facebook/jest/pull/9460) ([#9724](https://togithub.com/facebook/jest/pull/9724)) ### [`v25.2.3`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2523) [Compare Source](https://togithub.com/facebook/jest/compare/v25.2.2...v25.2.3) ##### Fixes - `[*]` Verify all packages are properly downleveled for older versions of TypeScript ([#9715](https://togithub.com/facebook/jest/pull/9715)) ### [`v25.2.2`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2522) [Compare Source](https://togithub.com/facebook/jest/compare/v25.2.1...v25.2.2) ##### Fixes - `[jest-environment-node]` Remove `getVmContext` from Node env on older versions of Node ([#9708](https://togithub.com/facebook/jest/pull/9708)) - `[jest-runtime]` Return constructable class from `require('module')` ([#9711](https://togithub.com/facebook/jest/pull/9711)) ### [`v25.2.1`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2521) [Compare Source](https://togithub.com/facebook/jest/compare/v25.2.0...v25.2.1) ##### Fixes - `[*]` Downlevel TypeScript definitions files for compatibility with TS<3.8 ([#9705](https://togithub.com/facebook/jest/pull/9705)) ### [`v25.2.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2520) [Compare Source](https://togithub.com/facebook/jest/compare/v25.1.0...v25.2.0) ##### Features - `[jest-config]` Support ESM config files with `.js` extension ([#9573](https://togithub.com/facebook/jest/pull/9573)). - `[jest-runtime]` Override `module.createRequire` to return a Jest-compatible `require` function ([#9469](https://togithub.com/facebook/jest/pull/9469)) - `[jest-haste-map]` [**BREAKING**] Remove `mapper` option ([#9581](https://togithub.com/facebook/jest/pull/9581)) - `[*]` Support array of paths for `moduleNameMapper` aliases ([#9465](https://togithub.com/facebook/jest/pull/9465)) - `[jest-reporters]` Adds ability to pass options to the istanbul-reporter through `coverageReporters` ([#9572](https://togithub.com/facebook/jest/pull/9572)) - `[jest-runtime]` Require stack when a module cannot be resolved ([#9681](https://togithub.com/facebook/jest/pull/9681)) - `[jest-transform]` `writeCacheFile` no longer calls `fsync` ([#9695](https://togithub.com/facebook/jest/pull/9695)) ##### Fixes - `[expect]` Handle readonly properties correctly ([#9575](https://togithub.com/facebook/jest/pull/9575)) - `[jest-cli]` Set `coverageProvider` correctly when provided in config ([#9562](https://togithub.com/facebook/jest/pull/9562)) - `[jest-cli]` Allow specifying `.cjs` and `.mjs` config files by `--config` CLI option ([#9578](https://togithub.com/facebook/jest/pull/9578)) - `[jest-cli]` Update yargs to fix CLI flag overriding ([#9519](https://togithub.com/facebook/jest/pull/9519)) - `[jest-config]` Treat `setupFilesAfterEnv` like `setupFiles` when normalizing configs against presets ([#9495](https://togithub.com/facebook/jest/pull/9495)) - `[jest-config]` Support `.mjs` config files on Windows as well ([#9558](https://togithub.com/facebook/jest/pull/9558)) - `[jest-config]` Verify `rootDir` and all `roots` are directories ([#9569](https://togithub.com/facebook/jest/pull/9569)) - `[jest-config]` Ensure pattern of `replacePosixSep` is a string ([#9546](https://togithub.com/facebook/jest/pull/9546)) - `[jest-haste-map]` Fix crash on unix based systems without find ([#9579](https://togithub.com/facebook/jest/pull/9579)) - `[jest-jasmine2]` Fix `--testNamePattern` matching with `concurrent` tests ([#9090](https://togithub.com/facebook/jest/pull/9090)) - `[jest-matcher-utils]` Fix diff highlight of symbol-keyed object. ([#9499](https://togithub.com/facebook/jest/pull/9499)) - `[@jest/reporters]` Notifications should be fire&forget rather than having a timeout ([#9567](https://togithub.com/facebook/jest/pull/9567)) - `[jest-resolve]` Fix module identity preservation with symlinks and browser field resolution ([#9511](https://togithub.com/facebook/jest/pull/9511)) - `[jest-resolve]` Do not confuse directories with files ([#8912](https://togithub.com/facebook/jest/pull/8912)) - `[jest-resolve]` `moduleNameMapper` should take precedence over Node core modules ([#9563](https://togithub.com/facebook/jest/pull/9563)) - `[jest-runtime]` Reset `isolateModules` if it fails ([#9541](https://togithub.com/facebook/jest/pull/9541)) - `[jest-runtime]` Yarn PnP errors displayed to the user ([#9681](https://togithub.com/facebook/jest/pull/9681)) - `[jest-snapshot]` Downgrade semver to v6 to support node 8 ([#9451](https://togithub.com/facebook/jest/pull/9451)) - `[jest-snapshot]` Properly indent new snapshots in the presences of existing ones ([#9523](https://togithub.com/facebook/jest/pull/9523)) - `[jest-transform]` Correct sourcemap behavior for transformed and instrumented code ([#9460](https://togithub.com/facebook/jest/pull/9460)) - `[jest-transform]` Allow instrumentation of transformed files with weird file extensions ([#9589](https://togithub.com/facebook/jest/pull/9589)) - `[@jest/types]` Make `ConfigGlobals` an interface to allow for declaration merging. ([#9570](https://togithub.com/facebook/jest/pull/9570)) - `[pretty-format]` Export `OldPlugin` type ([#9491](https://togithub.com/facebook/jest/pull/9491)) ##### Chore & Maintenance - `[docs]` Warn about unexpected behavior / bug of node-notifier when using the `notify` options. - `[docs]` Grammatical corrections to Async docs page. ([#9679](https://togithub.com/facebook/jest/pull/9679)) - `[jest-resolver]` Use `resolve` package to implement custom module resolution ([#9520](https://togithub.com/facebook/jest/pull/9520)) - `[jest-runtime]` Move execution of `setupFiles` to `jest-runner` ([#9596](https://togithub.com/facebook/jest/pull/9596)) - `[jest-runtime]` Update anchor link in `helpers` ([#9616](https://togithub.com/facebook/jest/pull/9616)) - `[@jest/reporters]` Remove unused dependencies and type exports ([#9462](https://togithub.com/facebook/jest/pull/9462)) - `[website]` Update pictures of reports when matchers fail ([#9214](https://togithub.com/facebook/jest/pull/9214)) ##### Performance - `[jest-haste-map]` Reduce number of `lstat` calls in node crawler ([#9514](https://togithub.com/facebook/jest/pull/9514))Renovate configuration
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