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…utils Extend src/api/providers/utils/abort-signal.ts with the abort-signal series helpers used by the gateway providers: - isRequestAborted(error, signal): wider abort detection - an aborted signal, a DOM AbortError, the OpenAI/Anthropic SDK APIUserAbortError (name check), or the exact SDK abort message "Request was aborted." - trusting name/message only on real Error instances so a plain object that merely looks like an abort propagates unchanged - createAbortError(providerName): fresh error satisfying the Task.ts abort contract (name "AbortError", message ending in "aborted") - rejectOnAbort(pending, signal, providerName): settle a signal-less async phase (model discovery) on the provider AbortError when the signal fires first; the abort listener detaches when pending settles - resolveModelWithAbort(fetchModel, signal, providerName): run model resolution inside a cancellation scope - entry fast-fail for a pre-aborted signal, the rejectOnAbort race while the lookup is pending, and normalization of abort-flavored lookup failures; any other resolution failure propagates unchanged Includes direct unit tests for the resolveModelWithAbort cancellation scope (pre-aborted fast-fail, no-signal pass-through, mid-resolution race, abort normalization, non-abort propagation), the isRequestAborted instanceof tightening tests, and the settle-guard test utility. Unit 1/3 of the Zoo-Code-Org#1295 split (content source: 62f596c). Part of the abort-signal series (round 1). Builds on Zoo-Code-Org#674, Zoo-Code-Org#901, Zoo-Code-Org#1008. Addresses Zoo-Code-Org#404.
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📝 SummarySummary by CodeRabbit
WalkthroughProvider utilities add abort-aware promise and model resolution. They normalize abort failures and classify abort names and messages only on ChangesAbort-aware resolution
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant Caller
participant resolveModelWithAbort
participant fetchModel
participant AbortSignal
Caller->>resolveModelWithAbort: request model
resolveModelWithAbort->>fetchModel: start lookup
AbortSignal-->>resolveModelWithAbort: abort event
resolveModelWithAbort-->>Caller: provider AbortError
Merge Risk: ⚪ Minimal · up to The change adds abort-aware helpers and tests without introducing a production caller, so no PR-specific merge blocker is established. Architecture SummaryArchitecture risk: 🔵 Low · up to The change affects 1 system. Changed systems: Architecture concerns Review detailsSystems and components
Before / after behavior
🚥 Pre-merge checks | ✅ 7 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (7 passed)
Full details: Lifecycle Resource CleanupExplanation
Resolution Make the model-resolution operation abortable or give ✨ Finishing Touches🧪 Generate unit tests (beta)
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- 🪄 Fix CodeRabbit comments on this PR
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Review comments at @src/api/providers/utils/abort-signal.ts:
- Around line 109-110: Update rejectOnAbort to handle rejection from pending
before returning the abort error when signal is already aborted, preventing an
unhandled rejection. Add a regression test covering an already-aborted signal
with a rejecting promise.
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Review comments at @src/api/providers/utils/__tests__/abort-signal.spec.ts:
- Line 57: In both affected tests that register `onUnhandledRejection` with
`process.on`, wrap the assertion and timer in `try` and remove the listener with
`process.off` in `finally` so cleanup runs even if the test rejects
unexpectedly.
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src/api/providers/utils/__tests__/abort-signal.spec.tssrc/api/providers/utils/abort-signal.ts
Shared-util piece of the abort-signal series (round 1): extends
src/api/providers/utils/abort-signal.tswith the helpers the gateway providers use to run request phases inside a cancellation scope.resolveModelWithAbort(fetchModel, abortSignal, providerName): runs model resolution inside a cancellation scope - a pre-aborted signal fast-fails before any catalog/SDK work, arejectOnAbortrace settles the lookup with the provider AbortError when the signal fires mid-resolution, and abort-flavored lookup failures are normalized; any other resolution failure propagates unchanged.rejectOnAbort(pending, signal, providerName): the race primitive - rejects withcreateAbortError(providerName)when the signal fires beforependingsettles; the abort listener detaches whenpendingsettles, so a task-scoped signal does not accumulate listeners.createAbortError(providerName): fresh error satisfying the Task.ts abort contract (name === "AbortError", message ending in "aborted").isRequestAborted(error, signal?): wider abort detection - an aborted signal, a DOMAbortError, the OpenAI/Anthropic SDKAPIUserAbortError(name check), or the exact "Request was aborted." message. The name/message checks now require a realErrorinstance, so a plain object that merely looks like an abort propagates unchanged.throwIfAborted- dead code: nothing on main (or in the sibling abort PRs) calls it; it was exercised only by its own unit tests.Tests: unit specs for all four helpers plus the new
settle-guardtest utility.Series and unit
Unit 1/3 of the #1295 split (content source:
62f596c5d). Merge order: this unit first, then the opencode-go unit, then the unbound/vercel/zoo unit. No provider behavior changes in this unit.Part of the abort-signal series (round 1). Builds on #674, #901, #1008. Addresses #404.
Review response (maintainer review of #1295)
mergeAbortSignalAndTimeout,mergeAbortSignalsuntouched) plus the new helpers;throwIfAbortedwas removed as dead code andisRequestAbortedwas tightened with theinstanceof Errorrequirement (kill-tested: plain-object abort look-alikes propagate unchanged).resolveModelWithAbort; each provider unit exercises it end-to-end (pre-aborted fast-fail, mid-resolution race, normalization, no-signal pass-through).Evidence
rejectOnAbortsettle-handler pair, with an event-fires-once equivalence proof), 0 Survived / 0 NoCoverage / 0 Timeout