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GraphQL Mesh

GraphQL Mesh

Query anything, run anywhere.

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Configure GraphQL Code Generator#

Mesh relies on GraphQL Code Generator to generate the Resolvers type that give you access to:

  • fully typed resolvers map
  • fully typed SDK (through the context) to fetch data from Sources

The generated typed Mesh SDK can also be accessed directly, as shown below:

import { getMeshSdk } from './.mesh'; async function test() { // Load mesh config and get the sdkClient from it const sdk = 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' }); }



GraphQL Code Generator default configuration#

Mesh provides a default GraphQL Code Generator configuration, shown below:

{ "skipTypename": true, "flattenGeneratedTypes": false, "onlyOperationTypes": false, "preResolveTypes": false, "namingConvention": "keep", "documentMode": "graphQLTag", "gqlImport": "@graphql-mesh/utils#gql", "enumsAsTypes": true, "ignoreEnumValuesFromSchema": true, "useIndexSignature": true, "contextType": "MeshContext", }



Customizing the GraphQL Code Generator configuration#

The above default configuration can be override with the codegen root parameter, as shown below:

codegen: skipTypename: false contextType: "./context#MyContextType"

Please note, that the codegen parameter allows you to update the configuration passed to the GraphQL Code Generator plugins used by Mesh:

The codegen parameter won't allow you to add or remove plugins.