import { Operation } from '@apollo/client/core';
import { OperationDefinitionNode } from 'graphql';
export function extractDefinition(
operation: Operation,
): OperationDefinitionNode {
// We know we always have a single definition, because Apollo validates this before we get here.
// With more then one query defined, an error like this is thrown and the query is never sent:
// "react-apollo only supports a query, subscription, or a mutation per HOC. [object Object] had 2 queries, 0 subscriptions and 0 mutations. You can use 'compose' to join multiple operation types to a component"
return operation.query.definitions.find(
(q) => q.kind === 'OperationDefinition',
) as OperationDefinitionNode;
}
