useUniqueGraphqlOperationName

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GraphQL

Summary

Diagnostic Category: lint/nursery/useUniqueGraphqlOperationName
This rule doesn’t have a fix.
The default severity of this rule is information.
Sources:
- Inspired from @graphql-eslint/unique-operation-name

How to configure

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{
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  "linter": {
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    "rules": {
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      "nursery": {
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        "useUniqueGraphqlOperationName": "error"
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      }
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    }
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  }
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}

Description

Enforce unique operation names across a GraphQL document.

This rule ensures that all GraphQL operations (queries, mutations, subscriptions) have unique names. Using unique operation names is essential for proper identification and reducing confusion.

Examples

Invalid

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query user {
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  user {
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    id
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  }
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}
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query user {
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  me {
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    id
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  }
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}

code-block.graphql:7:1 lint/nursery/useUniqueGraphqlOperationName ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ℹ Operation named “user” is already defined.
  
     5 │ }
     6 │ 
   > 7 │ query user {
       │ ^^^^^^^^^^^^
   > 8 │   me {
   > 9 │     id
  > 10 │   }
  > 11 │ }
       │ ^
    12 │ 
  
  ℹ GraphQL operation names must be unique to ensure proper identification.
  
  ℹ Rename the operation to have a unique name.

Valid

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query user {
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  user {
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    id
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  }
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}
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query me {
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  me {
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    id
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  }
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}