facebook/jest
### [`v24.9.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2490)
[Compare Source](https://togithub.com/facebook/jest/compare/v24.8.0...v24.9.0)
##### Features
- `[expect]` Highlight substring differences when matcher fails, part 1 ([#8448](https://togithub.com/facebook/jest/pull/8448))
- `[expect]` Highlight substring differences when matcher fails, part 2 ([#8528](https://togithub.com/facebook/jest/pull/8528))
- `[expect]` Improve report when mock-spy matcher fails, part 1 ([#8640](https://togithub.com/facebook/jest/pull/8640))
- `[expect]` Improve report when mock-spy matcher fails, part 2 ([#8649](https://togithub.com/facebook/jest/pull/8649))
- `[expect]` Improve report when mock-spy matcher fails, part 3 ([#8697](https://togithub.com/facebook/jest/pull/8697))
- `[expect]` Improve report when mock-spy matcher fails, part 4 ([#8710](https://togithub.com/facebook/jest/pull/8710))
- `[expect]` Throw matcher error when received cannot be jasmine spy ([#8747](https://togithub.com/facebook/jest/pull/8747))
- `[expect]` Improve report when negative CalledWith assertion fails ([#8755](https://togithub.com/facebook/jest/pull/8755))
- `[expect]` Improve report when positive CalledWith assertion fails ([#8771](https://togithub.com/facebook/jest/pull/8771))
- `[expect]` Display equal values for ReturnedWith similar to CalledWith ([#8791](https://togithub.com/facebook/jest/pull/8791))
- `[expect, jest-snapshot]` Change color from green for some args in matcher hints ([#8812](https://togithub.com/facebook/jest/pull/8812))
- `[jest-snapshot]` Highlight substring differences when matcher fails, part 3 ([#8569](https://togithub.com/facebook/jest/pull/8569))
- `[jest-core]` Improve report when snapshots are obsolete ([#8448](https://togithub.com/facebook/jest/pull/8665))
- `[jest-cli]` Improve chai support (with detailed output, to match jest exceptions) ([#8454](https://togithub.com/facebook/jest/pull/8454))
- `[*]` Manage the global timeout with `--testTimeout` command line argument. ([#8456](https://togithub.com/facebook/jest/pull/8456))
- `[pretty-format]` Render custom displayName of memoized components ([#8546](https://togithub.com/facebook/jest/pull/8546))
- `[jest-validate]` Allow `maxWorkers` as part of the `jest.config.js` ([#8565](https://togithub.com/facebook/jest/pull/8565))
- `[jest-runtime]` Allow passing configuration objects to transformers ([#7288](https://togithub.com/facebook/jest/pull/7288))
- `[@jest/core, @jest/test-sequencer]` Support async sort in custom `testSequencer` ([#8642](https://togithub.com/facebook/jest/pull/8642))
- `[jest-runtime, @jest/fake-timers]` Add `jest.advanceTimersToNextTimer` ([#8713](https://togithub.com/facebook/jest/pull/8713))
- `[@jest-transform]` Extract transforming require logic within `jest-core` into `@jest-transform` ([#8756](https://togithub.com/facebook/jest/pull/8756))
- `[jest-matcher-utils]` Add color options to `matcherHint` ([#8795](https://togithub.com/facebook/jest/pull/8795))
- `[jest-circus/jest-jasmine2]` Give clearer output for Node assert errors ([#8792](https://togithub.com/facebook/jest/pull/8792))
- `[jest-runner]` Export all types in the type signature of `jest-runner` ([#8825](https://togithub.com/facebook/jest/pull/8825))
##### Fixes
- `[jest-cli]` Detect side-effect only imports when running `--onlyChanged` or `--changedSince` ([#8670](https://togithub.com/facebook/jest/pull/8670))
- `[jest-cli]` Allow `--maxWorkers` to work with % input again ([#8565](https://togithub.com/facebook/jest/pull/8565))
- `[babel-plugin-jest-hoist]` Expand list of whitelisted globals in global mocks ([#8429](https://togithub.com/facebook/jest/pull/8429))
- `[jest-core]` Make watch plugin initialization errors look nice ([#8422](https://togithub.com/facebook/jest/pull/8422))
- `[jest-snapshot]` Prevent inline snapshots from drifting when inline snapshots are updated ([#8492](https://togithub.com/facebook/jest/pull/8492))
- `[jest-haste-map]` Don't throw on missing mapper in Node crawler ([#8558](https://togithub.com/facebook/jest/pull/8558))
- `[jest-core]` Fix incorrect `passWithNoTests` warning ([#8595](https://togithub.com/facebook/jest/pull/8595))
- `[jest-snapshots]` Fix test retries that contain snapshots ([#8629](https://togithub.com/facebook/jest/pull/8629))
- `[jest-mock]` Fix incorrect assignments when restoring mocks in instances where they originally didn't exist ([#8631](https://togithub.com/facebook/jest/pull/8631))
- `[expect]` Fix stack overflow when matching objects with circular references ([#8687](https://togithub.com/facebook/jest/pull/8687))
- `[jest-haste-map]` Workaround a node >=12.5.0 bug that causes the process not to exit after tests have completed and cancerous memory growth ([#8787](https://togithub.com/facebook/jest/pull/8787))
##### Chore & Maintenance
- `[docs]` Replace FlowType with TypeScript in CONTRIBUTING.MD code conventions
- `[jest-leak-detector]` remove code repeat ([#8438](https://togithub.com/facebook/jest/pull/8438))
- `[docs]` Add example to `jest.requireActual` ([#8482](https://togithub.com/facebook/jest/pull/8482))
- `[docs]` Add example to `jest.mock` for mocking ES6 modules with the `factory` parameter ([#8550](https://togithub.com/facebook/jest/pull/8550))
- `[docs]` Add information about using `jest.doMock` with ES6 imports ([#8573](https://togithub.com/facebook/jest/pull/8573))
- `[docs]` Fix variable name in custom-matcher-api code example ([#8582](https://togithub.com/facebook/jest/pull/8582))
- `[docs]` Fix example used in custom environment docs ([#8617](https://togithub.com/facebook/jest/pull/8617))
- `[docs]` Updated react tutorial to refer to new package of react-testing-library ([@testing-library/react](https://togithub.com/testing-library/react)) ([#8753](https://togithub.com/facebook/jest/pull/8753))
- `[docs]` Updated imports of react-testing-library to [@testing-library/react](https://togithub.com/testing-library/react) in website ([#8757](https://togithub.com/facebook/jest/pull/8757))
- `[jest-core]` Add `getVersion` (moved from `jest-cli`) ([#8706](https://togithub.com/facebook/jest/pull/8706))
- `[docs]` Fix MockFunctions example that was using toContain instead of toContainEqual ([#8765](https://togithub.com/facebook/jest/pull/8765))
- `[*]` Make sure copyright header comment includes license ([#8783](https://togithub.com/facebook/jest/pull/8783))
- `[*]` Check copyright and license as one joined substring ([#8815](https://togithub.com/facebook/jest/pull/8815))
- `[docs]` Fix WatchPlugins `jestHooks.shouldRunTestSuite` example that receives an object ([#8784](https://togithub.com/facebook/jest/pull/8784))
- `[*]` Enforce LF line endings ([#8809](https://togithub.com/facebook/jest/pull/8809))
- `[pretty-format]` Delete obsolete link and simplify structure in README ([#8824](https://togithub.com/facebook/jest/pull/8824))
- `[docs]` Fix broken transform link on webpack page ([#9155](https://togithub.com/facebook/jest/pull/9155))
##### Performance
- `[jest-watcher]` Minor optimization for JestHook ([#8746](https://togithub.com/facebook/jest/pull/8746))
- `[@jest/reporters]` Prevent runaway CPU useage with `--notify` on macOS ([#8830](https://togithub.com/facebook/jest/issues/8830))
Configuration
📅 Schedule: At any time (no schedule defined).
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♻️ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
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[ ] If you want to rebase/retry this PR, check this box.
This PR contains the following updates:
24.8.0
->24.9.0
Release Notes
facebook/jest
### [`v24.9.0`](https://togithub.com/facebook/jest/blob/master/CHANGELOG.md#2490) [Compare Source](https://togithub.com/facebook/jest/compare/v24.8.0...v24.9.0) ##### Features - `[expect]` Highlight substring differences when matcher fails, part 1 ([#8448](https://togithub.com/facebook/jest/pull/8448)) - `[expect]` Highlight substring differences when matcher fails, part 2 ([#8528](https://togithub.com/facebook/jest/pull/8528)) - `[expect]` Improve report when mock-spy matcher fails, part 1 ([#8640](https://togithub.com/facebook/jest/pull/8640)) - `[expect]` Improve report when mock-spy matcher fails, part 2 ([#8649](https://togithub.com/facebook/jest/pull/8649)) - `[expect]` Improve report when mock-spy matcher fails, part 3 ([#8697](https://togithub.com/facebook/jest/pull/8697)) - `[expect]` Improve report when mock-spy matcher fails, part 4 ([#8710](https://togithub.com/facebook/jest/pull/8710)) - `[expect]` Throw matcher error when received cannot be jasmine spy ([#8747](https://togithub.com/facebook/jest/pull/8747)) - `[expect]` Improve report when negative CalledWith assertion fails ([#8755](https://togithub.com/facebook/jest/pull/8755)) - `[expect]` Improve report when positive CalledWith assertion fails ([#8771](https://togithub.com/facebook/jest/pull/8771)) - `[expect]` Display equal values for ReturnedWith similar to CalledWith ([#8791](https://togithub.com/facebook/jest/pull/8791)) - `[expect, jest-snapshot]` Change color from green for some args in matcher hints ([#8812](https://togithub.com/facebook/jest/pull/8812)) - `[jest-snapshot]` Highlight substring differences when matcher fails, part 3 ([#8569](https://togithub.com/facebook/jest/pull/8569)) - `[jest-core]` Improve report when snapshots are obsolete ([#8448](https://togithub.com/facebook/jest/pull/8665)) - `[jest-cli]` Improve chai support (with detailed output, to match jest exceptions) ([#8454](https://togithub.com/facebook/jest/pull/8454)) - `[*]` Manage the global timeout with `--testTimeout` command line argument. ([#8456](https://togithub.com/facebook/jest/pull/8456)) - `[pretty-format]` Render custom displayName of memoized components ([#8546](https://togithub.com/facebook/jest/pull/8546)) - `[jest-validate]` Allow `maxWorkers` as part of the `jest.config.js` ([#8565](https://togithub.com/facebook/jest/pull/8565)) - `[jest-runtime]` Allow passing configuration objects to transformers ([#7288](https://togithub.com/facebook/jest/pull/7288)) - `[@jest/core, @jest/test-sequencer]` Support async sort in custom `testSequencer` ([#8642](https://togithub.com/facebook/jest/pull/8642)) - `[jest-runtime, @jest/fake-timers]` Add `jest.advanceTimersToNextTimer` ([#8713](https://togithub.com/facebook/jest/pull/8713)) - `[@jest-transform]` Extract transforming require logic within `jest-core` into `@jest-transform` ([#8756](https://togithub.com/facebook/jest/pull/8756)) - `[jest-matcher-utils]` Add color options to `matcherHint` ([#8795](https://togithub.com/facebook/jest/pull/8795)) - `[jest-circus/jest-jasmine2]` Give clearer output for Node assert errors ([#8792](https://togithub.com/facebook/jest/pull/8792)) - `[jest-runner]` Export all types in the type signature of `jest-runner` ([#8825](https://togithub.com/facebook/jest/pull/8825)) ##### Fixes - `[jest-cli]` Detect side-effect only imports when running `--onlyChanged` or `--changedSince` ([#8670](https://togithub.com/facebook/jest/pull/8670)) - `[jest-cli]` Allow `--maxWorkers` to work with % input again ([#8565](https://togithub.com/facebook/jest/pull/8565)) - `[babel-plugin-jest-hoist]` Expand list of whitelisted globals in global mocks ([#8429](https://togithub.com/facebook/jest/pull/8429)) - `[jest-core]` Make watch plugin initialization errors look nice ([#8422](https://togithub.com/facebook/jest/pull/8422)) - `[jest-snapshot]` Prevent inline snapshots from drifting when inline snapshots are updated ([#8492](https://togithub.com/facebook/jest/pull/8492)) - `[jest-haste-map]` Don't throw on missing mapper in Node crawler ([#8558](https://togithub.com/facebook/jest/pull/8558)) - `[jest-core]` Fix incorrect `passWithNoTests` warning ([#8595](https://togithub.com/facebook/jest/pull/8595)) - `[jest-snapshots]` Fix test retries that contain snapshots ([#8629](https://togithub.com/facebook/jest/pull/8629)) - `[jest-mock]` Fix incorrect assignments when restoring mocks in instances where they originally didn't exist ([#8631](https://togithub.com/facebook/jest/pull/8631)) - `[expect]` Fix stack overflow when matching objects with circular references ([#8687](https://togithub.com/facebook/jest/pull/8687)) - `[jest-haste-map]` Workaround a node >=12.5.0 bug that causes the process not to exit after tests have completed and cancerous memory growth ([#8787](https://togithub.com/facebook/jest/pull/8787)) ##### Chore & Maintenance - `[docs]` Replace FlowType with TypeScript in CONTRIBUTING.MD code conventions - `[jest-leak-detector]` remove code repeat ([#8438](https://togithub.com/facebook/jest/pull/8438)) - `[docs]` Add example to `jest.requireActual` ([#8482](https://togithub.com/facebook/jest/pull/8482)) - `[docs]` Add example to `jest.mock` for mocking ES6 modules with the `factory` parameter ([#8550](https://togithub.com/facebook/jest/pull/8550)) - `[docs]` Add information about using `jest.doMock` with ES6 imports ([#8573](https://togithub.com/facebook/jest/pull/8573)) - `[docs]` Fix variable name in custom-matcher-api code example ([#8582](https://togithub.com/facebook/jest/pull/8582)) - `[docs]` Fix example used in custom environment docs ([#8617](https://togithub.com/facebook/jest/pull/8617)) - `[docs]` Updated react tutorial to refer to new package of react-testing-library ([@testing-library/react](https://togithub.com/testing-library/react)) ([#8753](https://togithub.com/facebook/jest/pull/8753)) - `[docs]` Updated imports of react-testing-library to [@testing-library/react](https://togithub.com/testing-library/react) in website ([#8757](https://togithub.com/facebook/jest/pull/8757)) - `[jest-core]` Add `getVersion` (moved from `jest-cli`) ([#8706](https://togithub.com/facebook/jest/pull/8706)) - `[docs]` Fix MockFunctions example that was using toContain instead of toContainEqual ([#8765](https://togithub.com/facebook/jest/pull/8765)) - `[*]` Make sure copyright header comment includes license ([#8783](https://togithub.com/facebook/jest/pull/8783)) - `[*]` Check copyright and license as one joined substring ([#8815](https://togithub.com/facebook/jest/pull/8815)) - `[docs]` Fix WatchPlugins `jestHooks.shouldRunTestSuite` example that receives an object ([#8784](https://togithub.com/facebook/jest/pull/8784)) - `[*]` Enforce LF line endings ([#8809](https://togithub.com/facebook/jest/pull/8809)) - `[pretty-format]` Delete obsolete link and simplify structure in README ([#8824](https://togithub.com/facebook/jest/pull/8824)) - `[docs]` Fix broken transform link on webpack page ([#9155](https://togithub.com/facebook/jest/pull/9155)) ##### Performance - `[jest-watcher]` Minor optimization for JestHook ([#8746](https://togithub.com/facebook/jest/pull/8746)) - `[@jest/reporters]` Prevent runaway CPU useage with `--notify` on macOS ([#8830](https://togithub.com/facebook/jest/issues/8830))Configuration
📅 Schedule: At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻️ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
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