fix(sdk,react-hooks): forward debounce when batch triggering with an array - #4520
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The array branches of batchTrigger and batchTriggerAndWait build each item's options field by field and never copied debounce across, so the option was accepted by the types and the API but silently dropped before the request went out. Every item then created its own run instead of collapsing onto the debounce key. The streaming forms of the same calls already forwarded it.
Adds a satisfies check to every batch item builder so a missing or misspelled option key fails to compile instead of being stripped by the server, and asserts a distinct debounce key per item so the tests catch a wrong item-to-option pairing, not just a wholesale drop. useTaskTrigger had the same silent drop as the batch array branches.
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WalkthroughBatch trigger item construction now applies 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
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🧹 Nitpick comments (1)
packages/trigger-sdk/src/v3/batchDebounce.test.ts (1)
119-124: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick winCover the
tasksasync-iterable paths.
tasks.batchTrigger()andtasks.batchTriggerAndWait()have array cases only. AddasAsyncIterable()cases for both APIs. This verifies the by-ID streaming paths that the PR objective includes.Proposed test cases
+ { + name: "tasks.batchTrigger(asyncIterable)", + call: () => + tasks.batchTrigger<typeof taskA>( + "task-a", + asAsyncIterable([ + { payload: { i: 0 }, options: { debounce: debounceFor(0) } }, + { payload: { i: 1 }, options: { debounce: debounceFor(1) } }, + ]) + ), + },+ { + name: "tasks.batchTriggerAndWait(asyncIterable)", + call: () => + tasks.batchTriggerAndWait<typeof taskA>( + "task-a", + asAsyncIterable([ + { payload: { i: 0 }, options: { debounce: debounceFor(0) } }, + { payload: { i: 1 }, options: { debounce: debounceFor(1) } }, + ]) + ), + },Also applies to: 190-196
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📓 Path-based instructions (7)
packages/trigger-sdk/**/*.{ts,tsx}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
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Import Trigger.dev tasks from@trigger.dev/sdk; never use@trigger.dev/sdk/v3or deprecatedclient.defineJob.
Add agentcrumbs while writing code using approved namespaces; mark lines with//@Crumbsor blocks with `// `#region` `@crumbs, and strip them before merging.
Files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/react-hooks/src/hooks/useTaskTrigger.tspackages/trigger-sdk/src/v3/shared.ts
**/*.{ts,tsx,js,jsx}
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Use vitest for all tests in the Trigger.dev repository
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Place test files next to the source files they test.
Files:
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**/*.ts
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Do not use high-cardinality attributes in OTEL metrics such as UUIDs/IDs (envId, userId, runId, projectId, organizationId), unbounded integers (itemCount, batchSize, retryCount), timestamps (createdAt, startTime), or free-form strings (errorMessage, taskName, queueName)
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Files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/react-hooks/src/hooks/useTaskTrigger.tspackages/trigger-sdk/src/v3/shared.ts
packages/trigger-sdk/**/*.{js,ts,jsx,tsx}
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🧠 Learnings (16)
📚 Learning: 2026-03-22T13:26:12.060Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3244
File: apps/webapp/app/components/code/TextEditor.tsx:81-86
Timestamp: 2026-03-22T13:26:12.060Z
Learning: In the triggerdotdev/trigger.dev codebase, do not flag `navigator.clipboard.writeText(...)` calls for `missing-await`/`unhandled-promise` issues. These clipboard writes are intentionally invoked without `await` and without `catch` handlers across the project; keep that behavior consistent when reviewing TypeScript/TSX files (e.g., usages like in `apps/webapp/app/components/code/TextEditor.tsx`).
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/react-hooks/src/hooks/useTaskTrigger.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-03-22T19:24:14.403Z
Learnt from: matt-aitken
Repo: triggerdotdev/trigger.dev PR: 3187
File: apps/webapp/app/v3/services/alerts/deliverErrorGroupAlert.server.ts:200-204
Timestamp: 2026-03-22T19:24:14.403Z
Learning: In the triggerdotdev/trigger.dev codebase, webhook URLs are not expected to contain embedded credentials/secrets (e.g., fields like `ProjectAlertWebhookProperties` should only hold credential-free webhook endpoints). During code review, if you see logging or inclusion of raw webhook URLs in error messages, do not automatically treat it as a credential-leak/secrets-in-logs issue by default—first verify the URL does not contain embedded credentials (for example, no username/password in the URL, no obvious secret/token query params or fragments). If the URL is credential-free per this project’s conventions, allow the logging.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/react-hooks/src/hooks/useTaskTrigger.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-05-18T08:21:27.694Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3632
File: apps/webapp/sentry.server.ts:4-21
Timestamp: 2026-05-18T08:21:27.694Z
Learning: When handling Prisma error P1001 ("Can't reach database server") in TypeScript, don’t assume a single error shape. Prisma can surface P1001 via two different error classes/fields: `PrismaClientKnownRequestError` exposes it as `err.code === "P1001"` (common during mid-query connection drops), while `PrismaClientInitializationError` exposes it as `err.errorCode === "P1001"` (common on client startup failure). Therefore, predicates should use `err.code === "P1001" || err.errorCode === "P1001"`. Do not flag `err.code === "P1001"` as “unreachable/never matches,” as it is expected in production.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/react-hooks/src/hooks/useTaskTrigger.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-05-18T08:21:27.694Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3632
File: apps/webapp/sentry.server.ts:4-21
Timestamp: 2026-05-18T08:21:27.694Z
Learning: When handling Prisma errors for P1001 ("Can't reach database server"), do not assume it only appears under a single property name. Prisma may surface P1001 via either `PrismaClientKnownRequestError` (`err.code === "P1001"`, e.g., mid-query connection drops) or `PrismaClientInitializationError` (`err.errorCode === "P1001"`, e.g., client startup connection failure). To reliably detect the condition, check `err.code === "P1001" || err.errorCode === "P1001"`, and avoid review rules that would incorrectly flag `err.code === "P1001"` as unreachable/never-matching.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/react-hooks/src/hooks/useTaskTrigger.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-06-13T19:53:13.759Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3937
File: packages/trigger-sdk/skills/realtime-and-frontend/SKILL.md:258-260
Timestamp: 2026-06-13T19:53:13.759Z
Learning: When reviewing code that uses `trigger.dev/react-hooks`’s `useRealtimeRun`, preserve the call signature where the first argument is the full realtime handle object (not `handle.id`). This is intentional to maintain type-safety and is consistent with the official docs; do not suggest changing the first argument from the handle object to `handle.id`.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/react-hooks/src/hooks/useTaskTrigger.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-06-17T17:13:49.929Z
Learnt from: matt-aitken
Repo: triggerdotdev/trigger.dev PR: 3948
File: apps/webapp/app/routes/_app.orgs.$organizationSlug.projects.$projectParam.env.$envParam.bulk-actions.$bulkActionParam/route.tsx:48-62
Timestamp: 2026-06-17T17:13:49.929Z
Learning: In triggerdotdev/trigger.dev, within `dashboardLoader`/`dashboardAction` (or similar context resolver code) whenever you resolve an organization ID from an organization slug for RBAC/enterprise authorization scope, always read from the primary Prisma client (`prisma`), not `$replica`. Using `$replica` can hit replica-lag and cause the RBAC lookup/authorization to run without the correct org scope (bypassing intended role enforcement). Implement the slug→org lookup with `prisma.organization.findFirst(...)` (or equivalent primary-client query) and add an inline comment documenting why the primary client is required (replica lag could lead to unscoped RBAC checks).
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/react-hooks/src/hooks/useTaskTrigger.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-06-23T13:04:21.413Z
Learnt from: carderne
Repo: triggerdotdev/trigger.dev PR: 4023
File: apps/webapp/app/services/upsertBranch.server.ts:14-18
Timestamp: 2026-06-23T13:04:21.413Z
Learning: In TypeScript, it’s valid to `import { type X }` and then use `typeof X` in a type-only position, e.g. `type Alias = z.infer<typeof X>`. The `type` modifier suppresses the runtime import, but the type checker still has the full exported type so `z.infer<typeof X>` can resolve correctly. In code reviews, don’t flag this as a TypeScript compile error as long as `typeof X` is used in a type context (e.g., with `z.infer`, `type` aliases, generics), not as a runtime value.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/react-hooks/src/hooks/useTaskTrigger.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-03-31T21:37:27.212Z
Learnt from: isshaddad
Repo: triggerdotdev/trigger.dev PR: 3283
File: docs/migration-n8n.mdx:19-21
Timestamp: 2026-03-31T21:37:27.212Z
Learning: When reviewing code in `packages/trigger-sdk/src/v3`, treat `tasks.triggerAndWait()` and `tasks.batchTriggerAndWait()` as real exported APIs. They are defined in `shared.ts` and re-exported via the `tasks` object in `tasks.ts`, and they take the task ID string as their first argument (not a task instance). This is distinct from the instance methods `yourTask.triggerAndWait()` and `yourTask.batchTriggerAndWait()`. Do not flag calls to `tasks.triggerAndWait()` or `tasks.batchTriggerAndWait()` as non-existent or incorrectly invoked.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-05-17T08:08:12.370Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3644
File: packages/trigger-sdk/src/v3/ai.ts:8695-8746
Timestamp: 2026-05-17T08:08:12.370Z
Learning: In the Trigger v3 session resume/streams logic, ensure session resumption uses sequence cursors rather than timestamps. Specifically: for each turn-complete control record written to `session.out`, include a `session-in-event-id` header whose value is the committed-consume cursor (`session.in.lastDispatchedSeqNum`). On boot/resume, scan `session.out` for the latest turn-complete record, read the `session-in-event-id` header, and seed the `sessionStreams` manager for `.in` using both `lastSeqNum` and `lastDispatchedSeqNum` so previously processed user messages are not replayed. Do not use `setMinTimestamp`/`lastOutTimestamp` for resume ordering in this flow.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-05-18T14:19:56.437Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3655
File: packages/trigger-sdk/src/v3/ai.ts:8667-8731
Timestamp: 2026-05-18T14:19:56.437Z
Learning: In the Trigger SDK (v3) when making raw `fetch` calls to the Trigger API (including override paths such as `createChatStartSessionAction`), set the request headers to match `ApiClient`: `Content-Type`, `Authorization`, and `x-trigger-source: "sdk"`. Also forward the current preview branch by setting `x-trigger-branch` to `apiClientManager.branchName`. Prefer using the shared `overrideRequestHeaders(accessToken)` helper instead of manually constructing headers, so requests route correctly to preview environments.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-05-18T14:40:02.173Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3658
File: packages/core/src/v3/realtimeStreams/manager.test.ts:1-147
Timestamp: 2026-05-18T14:40:02.173Z
Learning: In this repo’s trigger.dev codebase, the “never mock — use testcontainers” guideline should only be applied to integration tests that talk to real external services (e.g., Redis, Postgres, S2). For unit tests that validate in-memory logic (e.g., deduplication/cache behavior in StandardRealtimeStreamsManager and similar module-boundary call counting), it is allowed to use Vitest mocks like `vi.fn()` and to stub/mock `ApiClient` objects to count calls or simulate in-process collaborators. Do not flag `vi.fn()`-based mocks as policy violations in these unit-test scenarios; reserve the rule for true external-service integration tests.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.ts
📚 Learning: 2026-05-18T14:40:02.173Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3658
File: packages/core/src/v3/realtimeStreams/manager.test.ts:1-147
Timestamp: 2026-05-18T14:40:02.173Z
Learning: In the triggerdotdev/trigger.dev repo, the policy “Never mock anything — use testcontainers instead” should only be enforced for integration tests that interact with real external services (e.g., Redis, Postgres) via actual infrastructure. For unit tests that exercise pure in-memory logic (e.g., cache semantics) it is OK to stub collaborators such as `ApiClient` using Vitest (`vi.fn()`) to assert call counts or control behavior. Do not flag `vi.fn()`-based `ApiClient` stubs in unit tests as violations of the testcontainers policy.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.ts
📚 Learning: 2026-05-19T22:37:47.286Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3671
File: packages/trigger-sdk/test/recovery-boot.test.ts:456-457
Timestamp: 2026-05-19T22:37:47.286Z
Learning: In `packages/trigger-sdk` (Trigger.dev SDK), `logger.warn` (and other SDK logger methods) should route to the Trigger.dev structured logger sink, not to `console.warn`. In SDK tests, `vi.spyOn(console, "warn")` (or similar console spies) should only be used to suppress stray console output; reviewers should not suggest asserting on `console.warn` spies to verify SDK-internal warning/fallback log behavior. Use the SDK’s structured-logger outputs/capture approach instead of console spies.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-06-04T18:16:35.386Z
Learnt from: nicktrn
Repo: triggerdotdev/trigger.dev PR: 3836
File: apps/supervisor/src/backpressure/backpressureMonitor.ts:3-5
Timestamp: 2026-06-04T18:16:35.386Z
Learning: When reviewing TypeScript in this repo, apply the rule “prefer type aliases over interfaces” only to data/object shapes and union/intersection type modeling. If an interface is being used as a behavioral contract for collaborators to implement (e.g., method-shape interfaces that define required behavior, such as `BackpressureLogger` / `BackpressureSignalSource` in `apps/supervisor/src/backpressure/backpressureMonitor.ts`), keep it as an `interface` and do not flag it as a type-alias-vs-interface violation.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/react-hooks/src/hooks/useTaskTrigger.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-06-09T17:58:04.699Z
Learnt from: 0ski
Repo: triggerdotdev/trigger.dev PR: 3879
File: apps/webapp/app/models/vercelIntegration.server.ts:619-630
Timestamp: 2026-06-09T17:58:04.699Z
Learning: In this codebase, outbound raw `fetch` calls should typically rely on Node/undici’s default request timeout (about ~300s) rather than adding a per-call `AbortController` + `setTimeout` wrapper inside individual functions (e.g. in files like `apps/webapp/app/models/vercelIntegration.server.ts`). During code review, do not flag the absence of a per-call timeout on a single `fetch` as an issue; if per-call timeouts are needed, they should be implemented via a codebase-wide convention (e.g., a shared fetch wrapper or documented pattern) rather than ad-hoc per-function changes.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.tspackages/react-hooks/src/hooks/useTaskTrigger.tspackages/trigger-sdk/src/v3/shared.ts
📚 Learning: 2026-06-16T09:19:47.637Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3960
File: apps/webapp/test/prismaInfrastructureErrorCapture.test.ts:0-0
Timestamp: 2026-06-16T09:19:47.637Z
Learning: In this repo’s Vitest setup, `vitest.config.ts` uses `globals: true`, so identifiers like `vi`, `describe`, `it`, and `expect` are available as globals in Vitest test files. During code review, do not flag missing `vi`/`describe`/`it`/`expect` imports as a runtime error or correctness issue when they’re used in `*.test.ts/tsx` or `*.spec.ts/tsx` files. Explicit imports are still preferred for consistency, but they’re not required for runtime behavior.
Applied to files:
packages/trigger-sdk/src/v3/batchDebounce.test.ts
🔇 Additional comments (4)
packages/react-hooks/src/hooks/useTaskTrigger.ts (1)
90-90: LGTM!packages/trigger-sdk/src/v3/shared.ts (1)
750-752: LGTM!Also applies to: 1006-1008, 1272-1274, 1533-1535, 2022-2022, 2074-2074, 2125-2125, 2176-2176, 2229-2229, 2289-2289, 2426-2428, 2858-2860
.changeset/batch-trigger-debounce.md (1)
1-16: LGTM!packages/trigger-sdk/src/v3/batchDebounce.test.ts (1)
1-118: LGTM!Also applies to: 125-189, 197-242
matt-aitken
enabled auto-merge (squash)
August 6, 2026 15:48
ericallam
approved these changes
Aug 6, 2026
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Passing
debouncein the per-item options of a batch trigger did nothing when the items were an array. The option was accepted by the types and by the API, then dropped before the request went out, so every item created its own run instead of collapsing onto the debounce key.Four public entry points were affected:
task.batchTrigger,task.batchTriggerAndWait,tasks.batchTrigger, andtasks.batchTriggerAndWait. The streaming (async iterable) forms of the same calls were already correct, as werebatch.trigger,batch.triggerAndWait,batch.triggerByTask, andbatch.triggerByTaskAndWait.useTaskTriggerin@trigger.dev/react-hookshad the same silent drop on the single-trigger path, so that is fixed here too. It also dropsmachine,priority,region,idempotencyKeyTTL, andidempotencyKeyOptions; those are left alone, since forwarding them is a behaviour change beyond this bug.Each batch item builder constructs its options field by field, which is why one of them could fall behind without anything catching it. TypeScript did not help: the literal is returned from a
.mapcallback insidePromise.all, so excess-property checking never fired against theBatchItemNDJSON[]annotation, and the server's schema silently strips unknown keys. A misspelled option name therefore reproduced this bug with no compile error and no server error. Every builder now ends insatisfies BatchItemNDJSON, which does catch it:The new test drives all six public batch surfaces in both array and async-iterable form and asserts on the NDJSON that actually reaches the wire. Each item carries a distinct debounce key so the test catches a wrong item-to-option pairing, not just a wholesale drop.
Fixes #3304