Error page graph: for a time bucket don't fill zeros for a version with no errors#3402
Error page graph: for a time bucket don't fill zeros for a version with no errors#3402matt-aitken merged 1 commit intomainfrom
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…th no errors This caused performance issues with large numbers of versions, and bad UX when hovering the graph (showing irrelevant versions)
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WalkthroughThe change modifies how graph data is constructed in the Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes 🚥 Pre-merge checks | ✅ 2 | ❌ 1❌ Failed checks (1 warning)
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🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts`:
- Around line 250-253: The guard that sets point[version] currently uses
truthiness and will skip valid zero values; in the block where you call
byBucketVersion.get(`${epoch}:${version}`) (in ErrorGroupPresenter.server.ts)
change the presence check to test for undefined explicitly (e.g., if
(versionValue !== undefined)) before assigning point[version] = versionValue so
that 0 and other falsy but valid values are preserved.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
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apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts
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- GitHub Check: units / webapp / 🧪 Unit Tests: Webapp (8, 8)
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🧰 Additional context used
📓 Path-based instructions (8)
**/*.{ts,tsx}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
**/*.{ts,tsx}: Use types over interfaces for TypeScript
Avoid using enums; prefer string unions or const objects instead
Files:
apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts
{packages/core,apps/webapp}/**/*.{ts,tsx}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Use zod for validation in packages/core and apps/webapp
Files:
apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts
**/*.{ts,tsx,js,jsx}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Use function declarations instead of default exports
Add crumbs as you write code using
//@Crumbscomments or `// `#region` `@crumbsblocks. These are temporary debug instrumentation and must be stripped usingagentcrumbs stripbefore merge.
Files:
apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts
**/*.ts
📄 CodeRabbit inference engine (.cursor/rules/otel-metrics.mdc)
**/*.ts: When creating or editing OTEL metrics (counters, histograms, gauges), ensure metric attributes have low cardinality by using only enums, booleans, bounded error codes, or bounded shard IDs
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)
When exporting OTEL metrics via OTLP to Prometheus, be aware that the exporter automatically adds unit suffixes to metric names (e.g., 'my_duration_ms' becomes 'my_duration_ms_milliseconds', 'my_counter' becomes 'my_counter_total'). Account for these transformations when writing Grafana dashboards or Prometheus queries
Files:
apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts
**/*.{js,ts,jsx,tsx,json,md,yaml,yml}
📄 CodeRabbit inference engine (AGENTS.md)
Format code using Prettier before committing
Files:
apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts
**/*.ts{,x}
📄 CodeRabbit inference engine (CLAUDE.md)
Always import from
@trigger.dev/sdkwhen writing Trigger.dev tasks. Never use@trigger.dev/sdk/v3or deprecatedclient.defineJob.
Files:
apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts
apps/webapp/**/*.{ts,tsx}
📄 CodeRabbit inference engine (.cursor/rules/webapp.mdc)
apps/webapp/**/*.{ts,tsx}: Access environment variables through theenvexport ofenv.server.tsinstead of directly accessingprocess.env
Use subpath exports from@trigger.dev/corepackage instead of importing from the root@trigger.dev/corepathUse named constants for sentinel/placeholder values (e.g.
const UNSET_VALUE = '__unset__') instead of raw string literals scattered across comparisons
Files:
apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts
apps/webapp/**/*.server.ts
📄 CodeRabbit inference engine (apps/webapp/CLAUDE.md)
apps/webapp/**/*.server.ts: Never userequest.signalfor detecting client disconnects. UsegetRequestAbortSignal()fromapp/services/httpAsyncStorage.server.tsinstead, which is wired directly to Expressres.on('close')and fires reliably
Access environment variables viaenvexport fromapp/env.server.ts. Never useprocess.envdirectly
Always usefindFirstinstead offindUniquein Prisma queries.findUniquehas an implicit DataLoader that batches concurrent calls and has active bugs even in Prisma 6.x (uppercase UUIDs returning null, composite key SQL correctness issues, 5-10x worse performance).findFirstis never batched and avoids this entire class of issues
Files:
apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts
🧠 Learnings (4)
📚 Learning: 2026-03-22T19:34:22.737Z
Learnt from: matt-aitken
Repo: triggerdotdev/trigger.dev PR: 3187
File: apps/webapp/app/routes/_app.orgs.$organizationSlug.projects.$projectParam.env.$envParam.errors._index/route.tsx:99-103
Timestamp: 2026-03-22T19:34:22.737Z
Learning: In `apps/webapp/app/presenters/v3/ErrorsListPresenter.server.ts`, the `statuses` filter (UNRESOLVED | RESOLVED | IGNORED) is applied in-memory after the ClickHouse query and a batch Postgres lookup via `getErrorGroupStates`. This is intentional: `status` lives in the Postgres `ErrorGroupState` table, not in ClickHouse, so post-query filtering is the correct approach. Do not flag this as a missing predicate or a no-op filter during code review.
Applied to files:
apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts
📚 Learning: 2026-02-06T19:53:38.843Z
Learnt from: 0ski
Repo: triggerdotdev/trigger.dev PR: 2994
File: apps/webapp/app/presenters/v3/DeploymentListPresenter.server.ts:233-237
Timestamp: 2026-02-06T19:53:38.843Z
Learning: When constructing Vercel dashboard URLs from deployment IDs, always strip the dpl_ prefix from the ID. Implement this by transforming the ID with .replace(/^dpl_/, "") before concatenating into the URL: https://vercel.com/${teamSlug}/${projectName}/${cleanedDeploymentId}. Consider centralizing this logic in a small helper (e.g., getVercelDeploymentId(id) or a URL builder) and add tests to verify both prefixed and non-prefixed inputs.
Applied to files:
apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts
📚 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:
apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.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:
apps/webapp/app/presenters/v3/ErrorGroupPresenter.server.ts
3 participants
This caused performance issues with large numbers of versions, and bad UX when hovering the graph (showing irrelevant versions)