useLoneAnonymousOperation (GraphQL)

Language GraphQL

Summary

Rule available since: v2.3.12
Diagnostic Category: lint/correctness/useLoneAnonymousOperation
This rule is recommended, meaning it is enabled by default.
This rule doesn’t have a fix.
The default severity of this rule is error.
Sources:
- Same as @graphql-eslint/lone-anonymous-operation

How to configure

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{
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  "linter": {
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    "rules": {
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      "correctness": {
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        "useLoneAnonymousOperation": "error"
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      }
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    }
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  }
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}

Description

Disallow an anonymous operation in a document with other operations.

GraphQL allows the shorthand { field } without an operation name only when it is the sole operation in the document. Name every operation when the document contains more than one.

Examples

Invalid

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query {
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  fieldA
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}
4

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query B {
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  fieldB
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}

code-block.graphql:1:1 lint/correctness/useLoneAnonymousOperation ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Document contains an anonymous operation while defining more than one operation. This anonymous operation must be the only defined operation in this document or turned into a named operation.
  
  > 1 │ query {
      │ ^^^^^^^
  > 2 │   fieldA
  > 3 │ }
      │ ^
    4 │ 
    5 │ query B {
  
  ℹ A GraphQL document that contains an anonymous operation (the query short-hand) is only valid if it contains only that one operation definition.

Valid

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query A {
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  fieldA
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}
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query B {
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  fieldB
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}