import Maybe from '../tsutils/Maybe'; | |
import { DocumentNode, OperationDefinitionNode } from '../language/ast'; | |
/** | |
* Returns an operation AST given a document AST and optionally an operation | |
* name. If a name is not provided, an operation is only returned if only one is | |
* provided in the document. | |
*/ | |
export function getOperationAST( | |
documentAST: DocumentNode, | |
operationName: Maybe<string>, | |
): Maybe<OperationDefinitionNode>; |