Facilities for leveraging core.async with Lacinia.

Defines Pedestal interceptors and supporting code.

A parsed query cache can reduce processing time by avoiding the normal parsing of a query.

Common interceptors between the standard and subscriptions code paths.

Common specifications.

Support for GraphQL subscriptions using Jetty WebSockets, following the design of the Apollo client and server.

Utilities for creating handlers, interceptors, routes, and service maps needed by a Pedestal service that exposes a GraphQL API and GraphiQL IDE.