config

const (
	// RuleUniqueDirectiveNames requires directive definitions to have
	// unique names.
	RuleUniqueDirectiveNames = "unique-directive-names"

	// RuleUniqueFieldDefinitionNames requires fields within a type to
	// have unique names.
	RuleUniqueFieldDefinitionNames = "unique-field-definition-names"

	// RuleUniqueOperationTypes requires at most one query, mutation,
	// and subscription root type.
	RuleUniqueOperationTypes = "unique-operation-types"

	// RuleUniqueTypeNames requires type definitions to have unique
	// names.
	RuleUniqueTypeNames = "unique-type-names"

	// RuleKnownArgumentNames requires arguments to be defined in the
	// schema.
	RuleKnownArgumentNames = "known-argument-names"

	// RuleKnownDirectives requires directives to be defined and used
	// in a valid location.
	RuleKnownDirectives = "known-directives"

	// RuleKnownTypeNames requires referenced types to exist in the
	// schema.
	RuleKnownTypeNames = "known-type-names"

	// RuleProvidedRequiredArguments requires required arguments to be
	// provided.
	RuleProvidedRequiredArguments = "provided-required-arguments"

	// RuleLoneSchemaDefinition allows at most one schema definition.
	RuleLoneSchemaDefinition = "lone-schema-definition"

	// RuleUniqueEnumValueNames requires enum values within an enum to
	// have unique names.
	RuleUniqueEnumValueNames = "unique-enum-value-names"
)

const (
	// RuleUniqueDirectiveNamesPerLocation requires a non-repeatable
	// directive to appear at most once per location in SDL.
	RuleUniqueDirectiveNamesPerLocation = "unique-directive-names-per-location"

	// RulePossibleTypeExtension requires a type extension to reference
	// a type that is actually defined somewhere.
	RulePossibleTypeExtension = "possible-type-extension"
)

const (
	// RuleRequireDescription requires a description on the kinds of
	// definition its options enable it for.
	RuleRequireDescription = "require-description"

	// RuleDescriptionStyle requires every description in a schema to
	// use the same quoting style: inline "..." or block """...""",
	// per its "style" option.
	RuleDescriptionStyle = "description-style"

	// RuleNoHashtagDescription forbids a "#" comment immediately
	// preceding a definition, field, argument, or enum value, in favor
	// of a "..." or """...""" description.
	RuleNoHashtagDescription = "no-hashtag-description"

	// RuleRequireDeprecationReason requires every applied @deprecated
	// directive to have a non-empty "reason" argument.
	RuleRequireDeprecationReason = "require-deprecation-reason"

	// RuleRequireDeprecationDate requires every applied @deprecated
	// directive to have a valid, not-yet-passed deletion date, per its
	// "argumentName" option (default "deletionDate").
	RuleRequireDeprecationDate = "require-deprecation-date"

	// RuleNoTypenamePrefix forbids a field on an object or interface
	// type from starting with that type's own name.
	RuleNoTypenamePrefix = "no-typename-prefix"

	// RuleNamingConvention requires names to follow the casing,
	// prefix/suffix, and underscore conventions its options configure
	// per kind of definition.
	RuleNamingConvention = "naming-convention"

	// RuleNoCaseInsensitiveEnumValuesDuplicates forbids two enum values
	// on the same enum whose names differ only by casing.
	RuleNoCaseInsensitiveEnumValuesDuplicates = "no-case-insensitive-enum-values-duplicates"

	// RuleAlphabetize requires alphabetical order among the fields,
	// enum values, and/or arguments its "fields", "values", and
	// "arguments" options select.
	RuleAlphabetize = "alphabetize"

	// RuleNoUnreachableTypes forbids a type or directive definition
	// that no root operation type's fields can ever reach.
	RuleNoUnreachableTypes = "no-unreachable-types"
)