GraphQL REPL

$ bin/graphql-repl -a "Bearer abc123" https://api.github.com/graphql
> viewer.login
"josh"

> node(id: "MDEwOlJlcG9zaXRvcnk4MDkwNTI3NQ==").on(Repository).url
"https://github.com/josh/graphql-repl"

> viewer.lo<tab>
viewer.location  viewer.login