Nulls in GraphQL queries and responses: Your cheatsheet

Nullability in GraphQL is a controversial topic. Some say constant null checks are a nuisance, while others err on the side of paranoia. I say, UFO's are real. But, that's not the point. In this post, you'll hear both sides of the discussion, find a cheatsheet you can refer to later, and read about different approaches to nulls and errors by Apollo and Relay. Nullability and error handling in Grap