GraphErr (Open Source)

GraphErr is an un-opinionated, lightweight library that provides descriptive, debuggable error data to developers working with GraphQL in Deno. In addition to expanded and illustrative error responses pulled directly from the formal GraphQL spec sheet, graphErr programmatically analyzes your GraphQL queries, adding a post-processing layer of error handling that reduces the conceptual burden on the developer by providing many of the benefits of RESTful API architecture.