Upgrade typescript version and resolve "unconstrained generic" errors (#6940)

Similar to ardatan/graphql-tools#4382, but these
didn't turn up in the 4.7 upgrade.
Likely related to microsoft/TypeScript#49489.

Solution is to constrain our generics appropriately.
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Author: trevor-scheer

package-lock.json

@@ -125,7 +125,7 @@
     "supertest": "6.2.4",
     "test-listen": "1.1.0",
     "ts-jest": "28.0.8",
-    "typescript": "4.7.4"
+    "typescript": "4.8.3"
   },
   "jest": {
     "projects": [

package.json

@@ -13,6 +13,7 @@ import {
   GraphQLServiceContext,
   GraphQLRequestContextDidResolveOperation,
   GraphQLRequestContextWillSendResponse,
+  BaseContext,
 } from 'apollo-server-types';
 import {
   createOperationDerivedDataCache,
@@ -63,7 +64,7 @@ class ReportData {
   }
 }
 
-export function ApolloServerPluginUsageReporting<TContext>(
+export function ApolloServerPluginUsageReporting<TContext extends BaseContext>(
   options: ApolloServerPluginUsageReportingOptions<TContext> = Object.create(
     null,
   ),

packages/apollo-server-core/src/plugin/usageReporting/plugin.ts

@@ -37,6 +37,7 @@ import type {
   GraphQLExecutor,
   GraphQLExecutionResult,
   ValidationRule,
+  BaseContext,
 } from 'apollo-server-types';
 import type {
   ApolloServerPlugin,
@@ -117,7 +118,7 @@ function isBadUserInputGraphQLError(error: GraphQLError): Boolean {
   );
 }
 
-export async function processGraphQLRequest<TContext>(
+export async function processGraphQLRequest<TContext extends BaseContext>(
   config: GraphQLRequestPipelineConfig<TContext>,
   requestContext: Mutable<GraphQLRequestContext<TContext>>,
 ): Promise<GraphQLResponse> {

packages/apollo-server-core/src/requestPipeline.ts

@@ -2,6 +2,7 @@ import { Headers, Request } from 'apollo-server-env';
 import { ApolloError, formatApolloErrors } from 'apollo-server-errors';
 import type { ApolloServerPlugin } from 'apollo-server-plugin-base';
 import type {
+  BaseContext,
   GraphQLExecutionResult,
   ValueOrPromise,
   WithRequired,
@@ -290,7 +291,7 @@ export async function runHttpQuery(
   return processHTTPRequest(config, request);
 }
 
-export async function processHTTPRequest<TContext>(
+export async function processHTTPRequest<TContext extends BaseContext>(
   options: WithRequired<GraphQLOptions<TContext>, 'cache' | 'plugins'> & {
     context: TContext;
   },

packages/apollo-server-core/src/runHttpQuery.ts

@@ -11,6 +11,7 @@ import type {
   GraphQLRequestContextParsingDidStart,
   GraphQLRequestContextValidationDidStart,
   SchemaHash,
+  BaseContext,
 } from 'apollo-server-types';
 import type { Logger } from '@apollo/utils.logger';
 import { GraphQLSchema, GraphQLObjectType, GraphQLString } from 'graphql/type';
@@ -35,7 +36,7 @@ type IPluginTestHarnessExecutionDidStart<TContext> =
     request: IPluginTestHarnessGraphqlRequest;
   };
 
-export default async function pluginTestHarness<TContext>({
+export default async function pluginTestHarness<TContext extends BaseContext>({
   pluginInstance,
   schema,
   logger,

packages/apollo-server-core/src/utils/pluginTestHarness.ts

@@ -168,13 +168,6 @@
       matchPackageNames: ["jest", "jest-config", "ts-jest", "@types/jest", ],
       matchBaseBranches: ["main"],
       allowedVersions: "28.x"
-    },
-    {
-      // typescript@4.8 breaks the build on main; since AS4 is imminent, pinning
-      // seems better than fixing.
-      matchPackageNames: ["typescript"],
-      matchBaseBranches: ["main"],
-      allowedVersions: "4.7.x",
-    },
+    }
   ]
 }