vitest-dev/vitest v4.0.17

on GitHub

   🚀 Experimental Features

• Support openTelemetry for browser mode  -  by @hi-ogawa in #9180 (1ec3a)
• Support TRACEPARENT and TRACESTATE environment variables for OpenTelemetry context propagation  -  by @Copilot, hi-ogawa and @hi-ogawa in #9295 (876cb)

   🐞 Bug Fixes

• Improve asymmetric matcher diff readability by unwrapping container matchers  -  by @Copilot, sheremet-va, hi-ogawa and @hi-ogawa in #9330 (b2ec7)
• Improve runner error when importing outside of test context  -  by @sheremet-va in #9335 (2dd3d)
• Replace crypto.randomUUID to allow insecure environments (fix #9…  -  by @plusgut in #9339 and #9 (e6a3f)
• Handle null options in addEventHandler #9371  -  by @ThibautMarechal in #9372 and #9371 (40841)
• Typo in browser.provider error  -  by @deammer in #9394 (4b67f)
• browser:
  • Fix process.env and import.meta.env defines in inline project  -  by @hi-ogawa in #9239 (b70c9)
  • Fix upload File instance  -  by @hi-ogawa in #9294 (b6778)
  • Fix invalid project token for artifacts assets  -  by @hi-ogawa in #9321 (caa7d)
  • Log ErrorEvent.message when unhandled ErrorEvent.error is null  -  by @hi-ogawa in #9322 (5d84e)
  • Support fileParallelism on an instance  -  by @sheremet-va in #9328 (15006)
• coverage:
  • Remove unnecessary istanbul-lib-source-maps usage  -  by @AriPerkkio in #9344 (b0940)
  • Apply patch from istanbuljs/istanbuljs#837  -  by @AriPerkkio and sapphi-red in #9413 and #837 (e05ce)
• fsModuleCache:
  • Don't store importers in cache  -  by @sheremet-va in #9422 (75136)
  • Add importers alongside importedModules  -  by @sheremet-va in #9423 (59f92)
• mocker:
  • Fix mock transform with class  -  by @hi-ogawa in #9421 (d390e)
• pool:
  • Validate environment options when reusing the worker  -  by @sheremet-va in #9349 (a8a88)
  • Handle worker start failures gracefully  -  by @AriPerkkio in #9337 (200da)
• reporter:
  • Report test module if it failed to run  -  by @sheremet-va in #9272 (c7888)
• runner:
  • Respect nested test.only within describe.only  -  by @Ujjwaljain16 in #9021 and #9213 (55d5d)
• typecheck:
  • Improve error message when tsc outputs help text  -  by @Ujjwaljain16 in #9214 (7b10a)
• ui:
  • Detect gzip by magic numbers instead of Content-Type header in html reporter  -  by @Copilot, hi-ogawa and @hi-ogawa in #9278 (dd033)
• webdriverio:
  • Fall back to WebDriver Classic #9244  -  by @JustasMonkev in #9373 and #9244 (c23dd)

    View changes on GitHub