Function FirstGraphQLOperationKind

FirstGraphQLOperationKind(document: string): GraphQLOperationKind
The kind of the first operation definition in a GraphQL document, read from top-level tokens only.
Parameters
- document: string
  the GraphQL document text
Returns GraphQLOperationKind
the first operation's kind, or null when the document holds no operation
- Defined in packages/GraphQLDataProvider/src/graphQLOperationKind.ts:28