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testland/stryker-mutation

Configures StrykerJS for mutation testing of JavaScript / TypeScript / React / Vue / Svelte / Node - picks the test-runner plugin (`@stryker-mutator/jest-runner`, `mocha-runner`, `vitest-runner`, `karma-runner`), authors `stryker.conf.json` with mutate globs + thresholds, runs incremental mode for PRs (only mutate changed files), and reports the mutation score. Use when a JS/TS test suite has ≥80% line coverage and the team wants to verify the tests actually catch bugs (not just touch lines).

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tile.json

{
  "name": "testland/stryker-mutation",
  "version": "1.2.10",
  "summary": "Configures StrykerJS for mutation testing of JavaScript / TypeScript / React / Vue / Svelte / Node - picks the test-runner plugin (`@stryker-mutator/jest-runner`, `mocha-runner`, `vitest-runner`, `karma-runner`), authors `stryker.conf.json` with mutate globs + thresholds, runs incremental mode for PRs (only mutate changed files), and reports the mutation score. Use when a JS/TS test suite has ≥80% line coverage and the team wants to verify the tests actually catch bugs (not just touch lines).",
  "private": false,
  "skills": {
    "stryker-mutation": {
      "path": "SKILL.md"
    }
  }
}

SKILL.md

tile.json