@jest/test-result - npm Package Versions

25.5.0

Features

• [@jest/globals] New package so Jest's globals can be explicitly imported (#9801)
• [jest-core] Show coverage of sources related to tests in changed files (#9769)
• [jest-runtime] Populate require.cache (#9841)

Fixes

• [*] Use graceful-fs directly in every package instead of relying on fs being monkey patched (#9443)
• [expect] Prints the Symbol name into the error message with a custom asymmetric matcher (#9888)
• [jest-circus, jest-jasmine2] Support older version of jest-runtime (#9903 & #9842)
• [@jest/environment] Make sure not to reference Jest types (#9875)
• [jest-message-util] Code frame printing should respect --noStackTrace flag (#9866)
• [jest-runtime] Support importing CJS from ESM using import statements (#9850)
• [jest-runtime] Support importing parallel dynamic imports (#9858)
• [jest-transform] Improve source map handling when instrumenting transformed code (#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)
• [jest-resolve] Pass custom cached realpath function to resolve (#9873)
• [jest-runtime] Add teardown method to clear any caches when tests complete (#9906)
• [jest-runtime] Do not pass files required internally through transformation when loading them (#9900)
• [jest-runtime] Use Maps instead of object literals as cache holders (#9901)

25.4.0

• [expect] Support async functions in toThrow (#9817)
• [jest-console] Add code frame to console.error and console.warn (#9741)
• [jest-runtime, jest-jasmine2, jest-circus] Experimental, limited ECMAScript Modules support (#9772 & #9842)

Fixes

• [expect] Restore support for passing functions to toHaveLength matcher (#9796)
• [jest-changed-files] --only-changed should include staged files (#9799)
• [jest-circus] Throw on nested test definitions (#9828)
• [jest-each] each will throw an error when called with too many arguments (#9818)
• [jest-runner] Don't print warning to stdout when using --json (#9843)

Chore & Maintenance

• [*] Do not generate TypeScript declaration source maps (#9822)
• [*] Transpile code for Node 8.3, not 8.0 (#9827)

25.3.0

Features

• [babel-jest] Support passing supportsDynamicImport and supportsStaticESM (#9766)
• [babel-preset-jest] Enable all syntax plugins not enabled by default that works on current version of Node (#9774)
• [jest-circus] Enable writing async test event handlers (#9397)
• [jest-runtime, @jest/transformer] Support passing supportsDynamicImport and supportsStaticESM (#9597)

Chore & Maintenance

• [*] Replace anys with unknowns (#9626)
• [@jest/transform] Expose type CacheKeyOptions for getCacheKey (#9762)
• [@jest/types] Correct type testRegex for ProjectConfig (#9780)

25.2.6

Chore & Maintenance

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

25.2.4

Features

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

Fixes

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

25.2.3

Fixes

• [*] Verify all packages are properly downleveled for older versions of TypeScript (#9715)

25.2.1

Fixes

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

25.2.0

Features

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

Fixes

• [expect] Handle readonly properties correctly (#9575)
• [jest-cli] Set coverageProvider correctly when provided in config (#9562)
• [jest-cli] Allow specifying .cjs and .mjs config files by --config CLI option (#9578)
• [jest-cli] Update yargs to fix CLI flag overriding (#9519)
• [jest-config] Treat setupFilesAfterEnv like setupFiles when normalizing configs against presets (#9495)
• [jest-config] Support .mjs config files on Windows as well (#9558)
• [jest-config] Verify rootDir and all roots are directories (#9569)
• [jest-config] Ensure pattern of replacePosixSep is a string (#9546)
• [jest-haste-map] Fix crash on unix based systems without find (#9579)
• [jest-jasmine2] Fix --testNamePattern matching with concurrent tests (#9090)
• [jest-matcher-utils] Fix diff highlight of symbol-keyed object. (#9499)
• [@jest/reporters] Notifications should be fire&forget rather than having a timeout (#9567)
• [jest-resolve] Fix module identity preservation with symlinks and browser field resolution (#9511)
• [jest-resolve] Do not confuse directories with files (#8912)
• [jest-resolve] moduleNameMapper should take precedence over Node core modules (#9563)
• [jest-runtime] Reset isolateModules if it fails (#9541)
• [jest-runtime] Yarn PnP errors displayed to the user (#9681)
• [jest-snapshot] Downgrade semver to v6 to support node 8 (#9451)
• [jest-snapshot] Properly indent new snapshots in the presences of existing ones (#9523)
• [jest-transform] Correct sourcemap behavior for transformed and instrumented code (#9460)
• [jest-transform] Allow instrumentation of transformed files with weird file extensions (#9589)
• [@jest/types] Make ConfigGlobals an interface to allow for declaration merging. (#9570)
• [pretty-format] Export OldPlugin type (#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)
• [jest-resolver] Use resolve package to implement custom module resolution (#9520)
• [jest-runtime] Move execution of setupFiles to jest-runner (#9596)
• [jest-runtime] Update anchor link in helpers (#9616)
• [@jest/reporters] Remove unused dependencies and type exports (#9462)
• [website] Update pictures of reports when matchers fail (#9214)

Performance

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