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Mutation testing for JavaScript and friends

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**Is your feature request related to a problem? Please describe.** I have tests running in about 4 seconds using all CPUS (thus multiple tests cannot be run at the same...

🚀 Feature request

Add unicode emoji support to the console reporter. For more info, see #975

🚀 Feature request
👶 Good first issue
hacktoberfest

``` diff --git a/packages/instrumenter/test/unit/mutators/conditional-expression-mutator.spec.ts b/packages/instrumenter/test/unit/mutators/conditional-expression-mutator.spec.ts index 5f7ef40d..c5e430a3 100644 --- a/packages/instrumenter/test/unit/mutators/conditional-expression-mutator.spec.ts +++ b/packages/instrumenter/test/unit/mutators/conditional-expression-mutator.spec.ts @@ -114,6 +114,17 @@ describe(sut.name, () => { ); }); + it('should mutate (c1 || c2 || c3)',...

🚀 Feature request

When this plugin is enabled it comes with a big performance hit. This is a known issue for the Stryker team. I can't assign people to this issue, but a...

**Question** Why Stryker is so slow running on a `create-react-app`, Jest, testing-library project? **Stryker environment** We only use the Jest runner plugin. ``` "@stryker-mutator/core": "^5.5.1", "@stryker-mutator/jest-runner": "^5.5.1", ``` With this...

⁉ Question

**How to make stryker recognize in vue?** **Stryker environment** ``` +-- @stryker-mutator/[email protected] +-- @stryker-mutator/[email protected] ``` ``` +-- vue/[email protected] +-- [email protected] ``` **Additional context** I've been trying to configure stryker with...

⁉ Question

**Summary** I am having issues using Stryker with the Vue 3 `` for Composition API inside Single File Components (SFCs). Specifically I am having issues with `defineProps` and `defineEmits`, https://v3.vuejs.org/api/sfc-script-setup.html#defineprops-and-defineemits....

🐛 Bug
☠ stale

**Summary** When I try to run stryker using `coverageAnalysis: 'all'` or `coverageAnalysis: 'perTest'`, the error `MODULE_NOT_FOUND Cannot find module 'enzyme'`. It just works when I run `coverageAnalysis: 'off'`. **Stryker config**...

🐛 Bug

**Is your feature request related to a problem? Please describe.** We basically have a component library and each folder is a component completely independent of other components and in this...

🚀 Feature request

Couldn't immediately find the name of the package for the babel transpiler from docs, so I googled it and got https://www.npmjs.com/package/stryker-babel-transpiler . But that doesn't work. Eventually found it is...

🐛 Bug
hacktoberfest
☠ stale