ChilliCream / ChilliCream/graphql-platform

Improve error message for duplicate constraints

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🌶️ hot chocolate Area: Type System
Dominant language
C#
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Description

Product

Hot Chocolate

Is your feature request related to a problem?

I often get error messages like this:

The specified directive `@myDirective` is unique and cannot be added twice. (My.Type)
The solution you'd like

Give me more information to go on, such as which field this applies to:

The specified directive `@myDirective` is unique and cannot be added twice. (My.Type.Property)

(Other better solutions may exist.)

Otherwise, if adding a large object with many properties, I have to spend an unnecessarily large amount of time hunting around to figure out where the error is.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No file or test is named. Start by locating the Hot Chocolate code and tests that format duplicate-constraint or directive errors; done means the diagnostic identifies the affected field path, such as My.Type.Property, and the relevant tests pass.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, graphql
Domain
backend-api-design
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
38/100

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