6.4.2 (2023-03-24)

Bug Fixes

• angular: generate karma.conf.js file when it is missing (#4054) (915c6d8)
• cucumber: officially support cucumber 9 (#4041) (e4f10d1)
• deps: update dependency execa to v7.1.1 (#4025) (13bc0b5)
• deps: update dependency log4js to ~6.9.0 (#3988) (fca777f)
• instrumenter: replace deprecated method call (#4023) (c14800a)
• progress reporter: improve ETC prediction (#4024) (956bbe9), closes #4018

6.4.1 (2023-02-17)

Bug Fixes

• deps: set correct stryker peer dep version (c88c537)

6.4.0 (2023-02-17)

Bug Fixes

• deps: update dependency angular-html-parser to v4 (#3925) (f62c645)
• deps: update dependency commander to v10 (#3936) (e8af5a4)
• deps: update dependency execa to v7 (#3975) (6c36120)
• deps: update dependency glob to ~8.1.0 (#3945) (edb767a)
• deps: update dependency mkdirp to v2 (#3946) (0ee9018)
• deps: update dependency mutation-testing-elements to v1.7.14 (#3969) (2f3f481)
• deps: update dependency mutation-testing-metrics to v1.7.14 (#3970) (ddf32ee)
• deps: update dependency mutation-testing-report-schema to v1.7.14 (#3971) (a0d5743)
• deps: update dependency tslib to ~2.5.0 (#3952) (7548287)
• project reader: ignore configured output files by default. (#3894) (2ff2f07)

Features

• typescript checker: group mutants to improve performance 🚀 (#3900) (2f4adaa)

6.3.1 (2022-12-18)

Bug Fixes

• deps: update babel monorepo to ~7.20.0 (#3810) (cd1c962)
• deps: update dependency @cucumber/messages to v20 (#3858) (29939c3)
• deps: update dependency angular-html-parser to v3 (#3869) (39d6381)
• deps: update dependency chalk to ~5.2.0 (#3898) (c325272)
• diff: last test generation (#3910) (f88b038)
• disable-comment: log a warning when a specified mutator doesn't exist(#3842) (fe79d49)

6.3.0 (2022-10-30)

Bug Fixes

• deps: update dependency angular-html-parser to ~2.1.0 (#3797) (33eb2b1)
• deps: update dependency chalk to ~5.1.0 (#3773) (973dc7b)
• jest-runner: automatically set NODE_ENV env variable (#3816) (9fc7a6f)
• jest: support more config file formats (#3761) (7d42139)
• karma-runner: support zero-mutant runs (#3787) (c6a9219)

Features

• clear-text reporter: add allowEmojis option in console (#3820) (79cc05f)
• core: add --dryRunOnly CLI argument to only run initial tests (#3814) (f2cf7e6)
• core: add support for pnpm as package manager (#3802) (af0e34e)
• disableTypeChecks: add option 'true' to disable all type checks (#3765) (3c3d298)
• init: document test runner homepage url in stryker.conf.json (#3817) (92c0852)
• worker: add worker count env variable to processes (#3821) (efb6fd6)

6.2.3 (2022-10-10)

Bug Fixes

• deps: update dependency angular-html-parser to v2 (#3760) (8dc667e)
• deps: update dependency log4js to ~6.7.0 (#3758) (535311d)
• jest: support multiple jest installations (#3781) (9f10e20)

6.2.2 (2022-09-06)

Note: Version bump only for package stryker-parent

6.2.1 (2022-09-06)

Bug Fixes

• mutant-placing: regression in optional chain (#3718) (1228619)

6.2.0 (2022-09-06)

Bug Fixes

• deps: update babel monorepo to ~7.19.0 (#3716) (edc1ae0)
• deps: update dependency log4js to ~6.6.0 (#3628) (201bba2)
• json-report: make all file paths relative in report (#3617) (d51f1a9)
• mutant placing: computed member expressions (#3713) (e6ee245)
• regex: support unicode regex flags(#3642) (fcf3a6b), closes #3579
• typescript: support TS v4.8 (#3700) (f6b8ff4)

Features

• incremental: add incremental mode (#3609) (82bea56)

6.2.0-beta.0 (2022-06-28)

Features

• incremental: add incremental mode (04cf8a2)

6.1.2 (2022-06-28)

Note: Version bump only for package stryker-parent

6.1.1 (2022-06-28)

Note: Version bump only for package stryker-parent

6.1.0 (2022-06-27)

Bug Fixes

• deps: update dependency @cucumber/messages to v18 (#3554) (596347e)
• deps: update dependency @cucumber/messages to v19 (#3559) (969fb1d)
• deps: update dependency commander to ~9.3.0 (#3546) (1142f11)
• deps: update dependency file-url to v4 (#3555) (658f00e)
• deps: update dependency get-port to v6 (#3556) (2cae23f)
• deps: update dependency glob to v8.0.3 (#3531) (bb5611a)
• deps: update dependency inquirer to v9 (#3592) (db0bd34)
• deps: update dependency log4js to ~6.5.0 (#3547) (67df3f0)
• deps: update dependency minimatch to ~3.1.0 (#3549) (a4e5c43)
• deps: update dependency minimatch to v5.1.0 (#3548) (c27ec2f)
• deps: update dependency semver to v7.3.7 (#3532) (2dce631)
• jest: allow mixin jest env for unit testing (#3598) (da8a720)
• logging: log non-existing node_modules on debug (#3521) (766072f)

Features

• mocha-runner: report the test's file name (#3504) (34d8e70)
• mutators: Add method expression mutator (#3508) (70a4e4f)
• plugin: allow fileDescriptions to be injected (#3582) (fa2b77e)
• cucumber: support native esm (#3596) (4eaf713), closes #3596

BREAKING CHANGES

• The @stryker-mutator/cucumber-runner now requires @cucumber/cucumber v8 or up.

6.0.2 (2022-05-05)

Bug Fixes

• jest-runner: support jest@28 (#3501) (f312ad6)

6.0.1 (2022-05-04)

Bug Fixes

• plugin loader: no warn when not using plugins (#3498) (54aa298)

6.0.0 (2022-05-03)

Bug Fixes

• core: allow parallel schedules (#3485) (bbbd514)
• html-report: set correct background color for html report (#3456) (a72ecf1)
• karma-runner: allow dispose during init (#3487) (4fcf148)
• reporter: report progress of failed check results only once (#3472) (dce5882)
• stryker-cli: allow stryker-cli integration (330ef6c)

chore

• node: drop support for Node 12 (10d874e)

Code Refactoring

• file: move File from api to util (#3489) (ac4bcca)

Features

• config file: accept hidden config file by default. (#3457) (701374f)
• mocha-runner: widen mocha peer dependency to include v10 (#3492) (0dde30f)
• mutation testing: sort tests to improve performance (#3467) (47344d3)
• progress: improve progressbar ETC estimate (#3469) (ec63d93)
• react: support react 18 projects by default (#3491) (82d9bce)
• warn slow: warn users for slow runs (#3490) (1103958)

BREAKING CHANGES

• file: The File class is no longer part of the public api and is thus no longer exported from @stryker-mutator/api. Plugin creators shouldn't rely on it anymore.
• progress: Reporter API method onAllMutantsMatchedWithTests has been replaced by onMutationTestingPlanReady. Please use that for your reporter plugin instead.
• progress: Reporter API method onAllSourceFilesRead has been removed, please use onMutationTestReportReady to retrieve the source files.
• progress: Reporter API method onSourceFileRead has been removed, please use onMutationTestReportReady to retrieve the source files.
• node: Drop support for Node 12. Minimal version is now Node 14.18.0.

6.0.0-beta.0 (2022-03-02)

Bug Fixes

• jest: hit limit spread over multiple files (#3446) (51308f4)

Features

• checker-api: support checking on groups of mutants (#3450) (e9bbd39)
• esm config: support config file as pure esm (#3432) (309a7e2)
• esm: migrate StrykerJS to pure ESM (#3409) (78c305e)
• esm: support esm in the mocha runner (#3393) (2eb3504), closes #2413 #2413
• esm: support native es modules in the jasmine runner. (#3396) (94708d0), closes #3340
• hit limit: infinite loop prevention in jest-runner (#3439) (5fecd52)
• html reporter: allow choice of fileName. (#3438) (d197319)
• ignore static: allow to ignore static mutants (#3284) (75d9b79)
• ignore static: prevent leak of hybrid mutants (#3443) (231049a)
• karma-runner: support async karma configuration (#3433) (7204a43), closes /github.com/karma-runner/karma/blob/master/CHANGELOG.md#630-2021-03-23
• reload test environment: implement test environment reload (#3369) (b95b907)
• test runner api: killedBy is always an array (#3187) (c257966)

Performance Improvements

• esm: migrate perf tests tasks to esm (#3441) (e31d625)

BREAKING CHANGES

• checker-api: The check method of checker plugins now receives a group of mutants and should provide a CheckResult per mutant id.
• html reporter: Configuration option htmlReporter.baseDir is deprecated and will be removed in a later version. Please use htmlReporter.fileName instead.
• esm config: Exporting a function (using module.exports = function(config) {}) from your stryker.conf.js file is no longer supported. This was already deprecated but now will give an error.
• esm: StrykerJS is now a pure ESM. Please read this.
• esm: Node 12.20 is now the min version.
• esm: Karma v6.3 is now the min supported karma version for @stryker-mutator/karma-runner, since that version added support for async config loading
• esm: The @stryker-mutator/jamsine-runner now requires [email protected] or higher.
• esm: The @stryker-mutator/mocha-runner now requires [email protected] or higher.
• reload test environment: Test runner plugins must provide TestRunnerCapabilities by implementing the capabilities method.

5.6.1 (2022-01-23)

Bug Fixes

• deps: remove vulnerability by updating log4js (#3372) (69290f2), closes /github.com/log4js-node/log4js-node/blob/master/CHANGELOG.md#640
• mutators: avoid creating some unnecessary mutations (#3346) (0f60ecf)
• typescript cheker: prevent unintentional declarationDir error (#3358) (3b510e2)

5.6.0 (2022-01-09)

Bug Fixes

• jasmine: correct peer dependency for jasmine (#3341) (07b50a9)
• report: dramatically improve rendering performance of HTML report (ad38c82)
• tsconfig: force declarationDir false for non-build projects (#3313) (461f39c)

Features

• clear-text reporter: show n/a instead of NaN (68c5c51)

5.5.1 (2021-12-02)

Bug Fixes

• ts checker: always disable declarationMap (#3294) (990ecdc)
• tsconfig: rewrite "include" patterns (#3293) (37ead22), closes #3281