apollo-schema-extend/lib/ast/variables.d.ts

Extends your Apollo Server Express based graphql server with an external graphql source

import { DefinitionNode, DirectiveNode, FragmentDefinitionNode, OperationDefinitionNode, SelectionNode } from 'graphql';
export declare const getArgumentVariables: <TNode extends SelectionNode | DirectiveNode | DefinitionNode>(node: TNode) => string[];
/**
 * Returns a shallow copy of the operation containing only variables that are used in the operation
 */
export declare const cleanVariables: (operation: OperationDefinitionNode, fragments: FragmentDefinitionNode[]) => OperationDefinitionNode;