Write reusable code for AppSync JavaScript resolvers

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Learn how to share code between AppSync JS resolvers. AWS AppSync is a fully managed service that allows developers to build scalable and performant GraphQL APIs. It is also serverless, meaning that you will only pay for what you use. By Benoît Bouré.

This tutorial is straightforward and covers:

  • Pre-requisites and Assumptions
  • Let’s get started
  • Testing

The introduction of AppSync JavaScript resolvers was a game-changer. They let developers write code quicker in a language they are more familiar with. They also open the possibility to write reusable code more easily. In this article, I showed you how to write simple helper functions that you can use in more than one resolver while still following AppSync’s rules. The code examples are also included. Good read!

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Tags nodejs javascript aws frontend apis database