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Schema Registry for your GraphQL Workflows

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Mesh as SDK

You can use GraphQL Mesh as a completely type-safe SDK in your existing TypeScript project.

Instead of using GraphQL operations as string with execute - you can use GraphQL Mesh and generate a ready-to-use TypeScript SDK to fetch your data. It will make sure to have type-safety and auto-complete for variables and returned data.

Create your own GraphQL operations in a .graphql file for your SDK, for example:

query myQuery($someVar: String!) {
getSomething(var: $someVar) {

In this case we only have fieldA and fieldB in our result so those are not added to the response object anymore.

Now, point to those operations in your .meshrc.yml;

- ./src/**/*.graphql

Try those operations in the playground#

You can run mesh dev to try your operations in the playground;

yarn mesh dev

Generate operations automatically#

Mesh can generate the operations for you if you don't want to use manually written operations. Just add the following to your configuration;

selectionSetDepth: 2 # This is the maximum level of selection set

Build your SDK with Mesh artifacts#

This will generate an SDK inside your Mesh artifacts under .mesh directory;

yarn mesh build

Using the generated SDK in the code#

Now, instead of using execute manually, you can use the generated getSdk method with your a GraphQL Mesh client, and use the functions that are generated based on your operations:

import { getMeshSdk } from './.mesh';
async function test() {
// Load mesh config and get the sdkClient from it
const sdk = await getMeshSdk();
// Execute `myQuery` and get a type-safe result
// Variables and result are typed: { getSomething: { fieldA: string, fieldB: number }, errors?: GraphQLError[] }
const { getSomething } = await sdk.myQuery({ someVar: 'foo' });

You can find an example for that here

GraphQL Mesh