Introduction
Codegen is a tool that generates strongly typed code from GraphQL operations (queries/mutations/subscriptions).
This provides compile time safety for any GraphQL server schema changes, and also enhances the developer experience by offering auto-completion and type checking for GraphQL operations.
GraphQL Code Generator
Apollo Orbit provides its own codegen plugin that's built on top of GraphQL Code Generator.
The plugin is designed for an optimal developer experience when working with GraphQL in Angular.
It is compliant with TypedDocumentNode standard which is supported by most GraphQL clients.
The other plugins used in codegen as per getting started guide are: