feat: Add support for onLocalContext callback

src/createMeshInstance.ts

@@ -4,13 +4,15 @@ import { getMesh } from "@graphql-mesh/runtime";
 import { InMemoryStoreStorageAdapter, MeshStore } from "@graphql-mesh/store";
 import { DefaultLogger, PubSub } from "@graphql-mesh/utils";
 import { GraphQLSchema } from "graphql";
+import type { YogaServerOptions } from "graphql-yoga";
 import SupergraphHandler from "./SupergraphHandler.js";
 import { OnRemoteRequestHeadersCallback } from "./index.js";
 
 export interface CreateMeshInstanceOptions<T = unknown> {
 	supergraphSDL: string;
 	localSchema: GraphQLSchema;
 	onRemoteRequestHeaders?: OnRemoteRequestHeadersCallback<T>;
+	onLocalContext?: YogaServerOptions<{}, {}>["context"];
 }
 
 export async function createMeshInstance<T = unknown>(

src/executor.ts

@@ -3,12 +3,13 @@ import { FetchFn, buildHTTPExecutor } from "@graphql-tools/executor-http";
 import type { Executor } from "@graphql-tools/utils";
 import { readFile } from "fs/promises";
 import { GraphQLResolveInfo, GraphQLSchema } from "graphql";
-import { createYoga } from "graphql-yoga";
+import { createYoga, type YogaServerOptions } from "graphql-yoga";
 import { OnRemoteRequestHeadersCallback, SubgraphService } from "./index.js";
 
 export interface CreateSupergraphOptions<T = unknown> {
 	localSchema: GraphQLSchema;
 	onRemoteRequestHeaders?: OnRemoteRequestHeadersCallback<T>;
+	onLocalContext?: YogaServerOptions<{}, {}>["context"];
 }
 
 /**
@@ -92,6 +93,7 @@ export function executorFactory(
 	const localFetch = createYoga({
 		schema: opts.localSchema,
 		batching: true,
+		context: opts.onLocalContext,
 	}).fetch;
 
 	function getFetch(subgraph: SubgraphService) {