GraphQL Rules

Below the list of rules supported by Biome, divided by group. Here’s a legend of the emojis:

• The icon indicates that the rule is part of the recommended rules.
• The icon indicates that the rule provides a code action (fix) that is safe to apply.
• The icon indicates that the rule provides a code action (fix) that is unsafe to apply.
• The icon indicates that the rule has been implemented and scheduled for the next release.

correctness

Rule name	Description	Properties
useGraphqlNamedOperations	Enforce specifying the name of GraphQL operations.

nursery

Rule name	Description	Properties
noEmptySource	Disallow empty sources.
useConsistentGraphqlDescriptions	Require all descriptions to follow the same style (either block or inline) to maintain consistency and improve readability across the schema.
useDeprecatedDate	Require the @deprecated directive to specify a deletion date.

style

Rule name	Description	Properties
useDeprecatedReason	Require specifying the reason argument when using @deprecated directive
useGraphqlNamingConvention	Validates that all enum values are capitalized.

suspicious

Rule name	Description	Properties
noDuplicateFields	No duplicated fields in GraphQL operations.

Recommended rules

• useGraphqlNamedOperations (Severity: error)
• useDeprecatedReason (Severity: warning)
• noDuplicateFields (Severity: information)

Missing a rule? Help us by contributing to the analyzer or create a rule suggestion here.