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docs: Customizing Error Response Format#726

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dinwwwh merged 2 commits intomainfrom
docs/custom-error-response
Jul 4, 2025
Merged

docs: Customizing Error Response Format#726
dinwwwh merged 2 commits intomainfrom
docs/custom-error-response

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@dinwwwh dinwwwh commented Jul 4, 2025

Summary by CodeRabbit

  • Documentation
    • Added a new guide explaining how to customize error response formats in oRPC OpenAPI handlers.
    • Updated the sidebar navigation to include "Customizing Error Response" as the first item in the "Advanced" section.
    • Improved the RPCHandler lifecycle documentation by clarifying the request/response encoding steps and detailing success and failure handling in the sequence diagram.

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@dosubot dosubot bot added the size:M This PR changes 30-99 lines, ignoring generated files. label Jul 4, 2025
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coderabbitai bot commented Jul 4, 2025

Walkthrough

The changes introduce a new documentation file on customizing error responses in oRPC OpenAPI handlers, update the sidebar configuration to include this new topic, and revise an existing sequence diagram in the RPC handler documentation to clarify the request/response encoding flow and error handling.

Changes

File(s) Change Summary
apps/content/.vitepress/config.ts Reordered and added "Customizing Error Response" to the OpenAPI Advanced sidebar section.
apps/content/docs/openapi/advanced/customizing-error-response.md Added new documentation explaining how to customize error responses in oRPC OpenAPI handlers.
apps/content/docs/rpc-handler.md Updated the RPCHandler lifecycle sequence diagram to clarify request conversion and error flow.

Sequence Diagram(s)

sequenceDiagram
    participant P1 as HTTP Request
    participant P2 as RPCHandler
    participant P3 as Request/Response Encoder
    participant P4 as Router & Input/Output Encoder
    participant P5 as Server-side Procedure Client

    P1->>P2: Incoming HTTP Request
    P2->>P3: Parse Request
    P3->>P3: Convert Request
    P3->>P4: Forward Standard Request
    P4->>P5: Call Procedure
    P5-->>P4: Response (Success/Failure)
    alt Success
        P4->>P3: Encode Output
    else Failure
        P4->>P3: Encode Error (End of Interceptors)
    end
    P3->>P2: Formulate HTTP Response
    P2->>P1: Send HTTP Response
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Poem

In the docs a new tale is spun,
Of errors custom, and how it’s done.
The sidebar shifts to show the way,
While diagrams guide what flows each day.
With every tweak, the docs grow bright—
Hopping forward, code set right!
🐇✨

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Summary of Changes

Hello @unnoq, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces new documentation to guide users on customizing error response formats within oRPC OpenAPI handlers, complete with practical code examples. Additionally, I've refined existing architectural diagrams to provide clearer insights into the request processing and error handling flows within the RPC handler's lifecycle.

Highlights

  • New Documentation: I've added a comprehensive new documentation page at /docs/openapi/advanced/customizing-error-response.md. This page guides users on how to customize the error response format in oRPC OpenAPI handlers, primarily utilizing rootInterceptors.
  • Documentation Navigation Update: The navigation sidebar configuration in apps/content/.vitepress/config.ts has been updated. The new 'Customizing Error Response' page is now accessible under the 'Advanced' section within the OpenAPI documentation, and the links have been reordered for alphabetical consistency.
  • RPC Handler Diagram Refinement: I've enhanced the rpc-handler lifecycle sequence diagram in apps/content/docs/rpc-handler.md. The diagram now more clearly illustrates the 'Convert' step within rootInterceptors and provides a more detailed breakdown of the success and failure paths for encoding responses and errors after clientInterceptors.
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Code Review

This pull request adds documentation for customizing the error response format. A new page is created with a code example and an important warning. The changes also include updating the sidebar navigation and clarifying a sequence diagram related to the request/response lifecycle.

I've found a minor syntax issue in the new documentation file that could affect rendering. My review includes a suggestion to fix it.

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codecov bot commented Jul 4, 2025

Codecov Report

All modified and coverable lines are covered by tests ✅

📢 Thoughts on this report? Let us know!

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commit: e2890bc

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Actionable comments posted: 1

🧹 Nitpick comments (3)
apps/content/.vitepress/config.ts (1)

233-236: Consider keeping subsection items consistently ordered
Most side-bar subsections are sorted either alphabetically or by conceptual flow. “Customizing Error Response” jumps to the top, which is OK if you intentionally want to promote it, but it does break the existing Serializer → Redirect ordering. If prominence is not required, re-ordering for consistency may help users locate topics faster.

apps/content/docs/rpc-handler.md (1)

115-132: Use Mermaid alt/else blocks for clearer success-vs-failure branching
Having two plain arrows (if success, if failed) makes the sequence harder to read and doesn’t visually group mutually-exclusive paths. Mermaid supports alt … else … end, which keeps the diagram tidy and self-explanatory:

   P4 ->> P5: Input, Signal, LastEventId,...
   Note over P5: clientInterceptors
   P5 ->> P5: Handle
-  P5 ->> P4: if success
-  P4 ->> P4: Encode output
-  P5 ->> P4: if failed
-  Note over P4: end interceptors
-  P4 ->> P4: Encode error
+  alt success
+    P5 ->> P4: result
+    P4 ->> P4: Encode output
+  else failure
+    P5 ->> P4: error
+    Note over P4: end interceptors
+    P4 ->> P4: Encode error
+  end

Purely a documentation polish, but worth considering for readability.

apps/content/docs/openapi/advanced/customizing-error-response.md (1)

8-9: Link to the OpenAPI handler, not the RPC handler
rootInterceptors for OpenAPI users live under /docs/openapi/openapi-handler, so the hyperlink should reflect that to avoid context-switching confusion.

-If you need to customize the error response format to match your application's requirements, you can use [`rootInterceptors`](/docs/rpc-handler#lifecycle) in the handler.
+If you need to customize the error response format to match your application's requirements, you can use [`rootInterceptors`](/docs/openapi/openapi-handler#rootInterceptors) in the handler.
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📥 Commits

Reviewing files that changed from the base of the PR and between 9903230 and e2890bc.

📒 Files selected for processing (3)
  • apps/content/.vitepress/config.ts (1 hunks)
  • apps/content/docs/openapi/advanced/customizing-error-response.md (1 hunks)
  • apps/content/docs/rpc-handler.md (2 hunks)
🧰 Additional context used
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apps/content/docs/openapi/advanced/customizing-error-response.md

[uncategorized] ~8-~8: A punctuation mark might be missing here.
Context: ...application's requirements, you can use [rootInterceptors](/docs/rpc-handler#lif...

(AI_EN_LECTOR_MISSING_PUNCTUATION)

⏰ Context from checks skipped due to timeout of 90000ms (2)
  • GitHub Check: lint
  • GitHub Check: publish-commit

@dinwwwh dinwwwh merged commit 6e40c00 into main Jul 4, 2025
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