Unlock the Power of GraphQL with Envelop
Are you tired of being tied to a specific GraphQL server implementation? Do you want to write platform-independent plugins that work seamlessly across different GraphQL servers? Look no further than Envelop, a lightweight GraphQL plugin library that revolutionizes the way you approach GraphQL development.
What is Envelop?
Envelop is not a GraphQL server, but rather a wrapper that allows developers to write customized plugins that integrate with any GraphQL server. This means you only need to write your plugin once, and it will work with Envelop and any GraphQL server you choose.
Getting Started with Envelop and Fastify
To get started, you’ll need Node.js ≥10.15.1 and a basic understanding of Node. Let’s set up a Node app and integrate Envelop with Fastify. Run the following command to install the necessary dependencies:
Next, create a server.js file and add the following code:
Creating a GraphQL Schema
Create a schema.js file to define your schema types, mutations, and resolvers. This file should contain the following content:
Integrating Envelop with Your Schema
Regardless of the GraphQL server and integration process you’re using, the next step is straightforward. In our example, we’re using two plugins: useSchema() and useLogger(). You can use as many plugins as you need, simply by adding them to the plugins array.
Creating a Fastify App and Integrating Envelop
Now, let’s create a Fastify app and integrate Envelop. Break down the code as follows:
Testing the Application with Postman
Finally, test your app using Postman. That’s it! You’ve successfully integrated Envelop and added a custom plugin to a Node application.
Integrating Envelop with Apollo GraphQL
Envelop isn’t limited to Fastify; you can integrate it with any GraphQL server. Let’s see an implementation with Apollo GraphQL. Create a separate JavaScript file called app.js and add the following code:
The Benefits of Envelop
If you build applications with GraphQL, you’ll find Envelop to be a game-changer. By allowing you to write modular GraphQL plugins that work on all GraphQL server implementations, Envelop helps you keep your code DRY and flexible.
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