Support GraphQL v17 (#13254)

Add `graphql` v17 as a valid peer dependency. Updates the core tests to
run against both GraphQL 16 and GraphQL 17.

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Chores**
  * Extended peer dependency support to include GraphQL v17
  * Expanded testing infrastructure for GraphQL v16 compatibility

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: jerelmiller

.changeset/great-apricots-reply.md

@@ -0,0 +1,5 @@
+---
+"@apollo/client": patch
+---
+
+Add support for `graphql` v17 as a valid peer dependency.

.circleci/config.yml

@@ -165,6 +165,7 @@ workflows:
                 [
                   "Core Tests",
                   "Core Tests - RxJS min version",
+                  "Core Tests - GraphQL 16",
                   "ReactDOM 17",
                   "ReactDOM 18",
                   "ReactDOM 19",

config/jest.config.ts

@@ -84,6 +84,15 @@ const tsRxJSMinConfig = {
   },
 };
 
+const tsGraphql16Config = {
+  ...tsStandardConfig,
+  displayName: "Core Tests - GraphQL 16",
+  moduleNameMapper: {
+    ...tsStandardConfig.moduleNameMapper,
+    "^graphql$": "graphql-16",
+  },
+};
+
 // For both React (Jest) "projects", ignore core tests (.ts files) as they
 // do not import React, to avoid running them twice.
 const standardReact19Config = {
@@ -125,6 +134,7 @@ export default {
   projects: [
     tsStandardConfig,
     tsRxJSMinConfig,
+    tsGraphql16Config,
     standardReact17Config,
     standardReact18Config,
     standardReact19Config,

package-lock.json

@@ -130,7 +130,7 @@
     }
   },
   "peerDependencies": {
-    "graphql": "^16.0.0",
+    "graphql": "^16.0.0 || ^17.0.0",
     "graphql-ws": "^5.5.5 || ^6.0.3",
     "react": "^17.0.0 || ^18.0.0 || >=19.0.0-rc",
     "react-dom": "^17.0.0 || ^18.0.0 || >=19.0.0-rc",
@@ -213,7 +213,8 @@
     "expect-type": "1.1.0",
     "fetch-mock": "9.11.0",
     "globals": "15.14.0",
-    "graphql": "16.9.0",
+    "graphql": "17.0.0-rc.0",
+    "graphql-16": "npm:graphql@16.14.1",
     "graphql-17-alpha2": "npm:graphql@17.0.0-alpha.2",
     "graphql-17-alpha9": "npm:graphql@17.0.0-alpha.9",
     "graphql-ws": "6.0.8",

package.json

@@ -61,9 +61,7 @@ describe("ObservableQuery", () => {
     },
   };
 
-  const error = new GraphQLError("is offline.", undefined, null, null, [
-    "people_one",
-  ]);
+  const error = new GraphQLError("is offline.", { path: ["people_one"] });
   const wrappedError = new CombinedGraphQLErrors({
     data: dataOne,
     errors: [error],

src/core/__tests__/ObservableQuery.ts

@@ -1,4 +1,5 @@
 import type {
+  DocumentNode as DocumentNodeAlpha2,
   FormattedExecutionResult,
   FormattedInitialIncrementalExecutionResult,
   FormattedSubsequentIncrementalExecutionResult,
@@ -20,7 +21,7 @@ export async function* executeSchemaGraphQL17Alpha2(
 > {
   const result = await experimentalExecuteIncrementally({
     schema,
-    document,
+    document: document as DocumentNodeAlpha2,
     rootValue,
   });
 

src/testing/internal/incremental/executeSchemaGraphQL17Alpha2.ts

@@ -1,4 +1,5 @@
 import type {
+  DocumentNode as DocumentNodeAlpha9,
   FormattedExecutionResult,
   FormattedInitialIncrementalExecutionResult,
   FormattedSubsequentIncrementalExecutionResult,
@@ -21,7 +22,7 @@ export async function* executeSchemaGraphQL17Alpha9(
 > {
   const result = await experimentalExecuteIncrementally({
     schema,
-    document,
+    document: document as DocumentNodeAlpha9,
     rootValue,
     enableEarlyExecution,
   });