A journey towards a type-safe GraphQL API server

• eslint-plugin-import

  45 5,299 8.4 JavaScript

  ESLint plugin with rules that help validate proper imports.

  

After a while however, cryptic build errors started appearing. When a type that is mapped to in the generated file depends on a generated type, it creates an import cycle. These are notoriously hard to solve, and can appear out of nowhere after re-organizing imports of seemingly unrelated files as to what is causing the cycle. Therefore, we chose to only make use of the generated types in our resolvers: our business logic should remain free of them. To enforce this decision, a lint-rule was set up using the import/no-restricted-paths ESLint plugin:

• graphql-code-generator

  69 10,613 9.1 TypeScript

  A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.

There are two main approaches to keeping the types of the GraphQL schema and entities in business logic in sync. You can generate the schema based on your TypeScript code (e.g. TypeGraphQL), or you can generate types based on your schema (e.g. GraphQL Code Generator). We opted for the latter since it slotted right into our existing GraphQL server implementation using Apollo Server.

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• apollo-server

  66 13,658 9.2 TypeScript

  🌍  Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more.

  

There are two main approaches to keeping the types of the GraphQL schema and entities in business logic in sync. You can generate the schema based on your TypeScript code (e.g. TypeGraphQL), or you can generate types based on your schema (e.g. GraphQL Code Generator). We opted for the latter since it slotted right into our existing GraphQL server implementation using Apollo Server.

• TypeGraphQL

  30 7,942 8.8 TypeScript

  Create GraphQL schema and resolvers with TypeScript, using classes and decorators!

There are two main approaches to keeping the types of the GraphQL schema and entities in business logic in sync. You can generate the schema based on your TypeScript code (e.g. TypeGraphQL), or you can generate types based on your schema (e.g. GraphQL Code Generator). We opted for the latter since it slotted right into our existing GraphQL server implementation using Apollo Server.

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