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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #65582 +/- ##
==========================================
- Coverage 90.68% 90.68% -0.01%
==========================================
Files 797 797
Lines 279572 279674 +102
Branches 53781 53791 +10
==========================================
+ Hits 253543 253615 +72
- Misses 16302 16350 +48
+ Partials 9727 9709 -18
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Add `vm.MicrotaskQueue` and `options.microtaskQueue` to allow multiple contexts to share an explicit V8 microtask queue and let users control synchronous checkpoint draining. Document how options.microtaskQueue and options.microtaskMode interact across createContext, runInNewContext, and script.runInNewContext. Update receiver type error expectation for runMicrotasks and add test coverage for runInNewContext with microtask queues. Fixes: nodejs#65555 Signed-off-by: Alessio Attilio <alessio.attilio@protonmail.com> Assisted-by: Antigravity Assisted-by: Codex
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@MikeMcC399 I rebased and I fixed conflicts. Could you re-enable CIs? Thanks! |
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This PR introduces vm.MicrotaskQueue and the options.microtaskQueue setting in node:vm, allowing multiple contexts to share an explicit V8 microtask queue and giving authors synchronous control over draining via queue.runMicrotasks(). This enables standards-compliant event loop integration such as HTML window and same-agent iframe microtask checkpointing without premature queue draining.
Fixes: #65555