validate
Callable
Parameters
schema: GraphQLSchema
documentAST: DocumentNode
rules: readonly ValidationRule[] = specifiedRules
optionaloptions: { hideSuggestions?: Maybe<boolean>; maxErrors?: number }
optionalhideSuggestions: Maybe<boolean>
optionalmaxErrors: number
Returns ReadonlyArray<GraphQLError>
Implements the "Validation" section of the spec.
Validation runs synchronously, returning an array of encountered errors, or an empty array if no errors were encountered and the document is valid.
A list of specific validation rules may be provided. If not provided, the default list of rules defined by the GraphQL specification will be used.
Each validation rules is a function which returns a visitor (see the language/visitor API). Visitor methods are expected to return GraphQLErrors, or Arrays of GraphQLErrors when invalid.
Validate will stop validation after a
maxErrorslimit has been reached. Attackers can send pathologically invalid queries to induce a DoS attack, so by defaultmaxErrorsset to 100 errors.Optionally a custom TypeInfo instance may be provided. If not provided, one will be created from the provided schema.