A request handler is responsible for performing some logic and executing the request, either by forwarding the operation to the next link in the chain, or sending the operation to the destination that executes it, such as a GraphQL server.
The Operation object that provides information about the currently executed GraphQL request.
Operation
A function that is called to execute the next link in the chain.
A request handler is responsible for performing some logic and executing the request, either by forwarding the operation to the next link in the chain, or sending the operation to the destination that executes it, such as a GraphQL server.