refactor: use Promise constructor to wrap builtin gzip (#7229)

support for `Cloudflare Workers`

ref: #6034

Co-authored-by: David Glasser <glasser@davidglasser.net>

.changeset/good-schools-glow.md

@@ -0,0 +1,5 @@
+---
+'@apollo/server': patch
+---
+
+Improve compatibility with Cloudflare workers by avoiding the use of the Node `util` package. This change is intended to be a no-op.

packages/server/src/plugin/usageReporting/plugin.ts

@@ -11,7 +11,6 @@ import type LRUCache from 'lru-cache';
 import { AbortController } from 'node-abort-controller';
 import fetch from 'node-fetch';
 import os from 'os';
-import { promisify } from 'util';
 import { gzip } from 'zlib';
 import type {
   ApolloServerPlugin,
@@ -41,8 +40,6 @@ import { computeCoreSchemaHash } from '../../utils/computeCoreSchemaHash.js';
 import type { HeaderMap } from '../../utils/HeaderMap.js';
 import { schemaIsSubgraph } from '../schemaIsSubgraph.js';
 
-const gzipPromise = promisify(gzip);
-
 const reportHeaderDefaults = {
   hostname: os.hostname(),
   agentVersion: `@apollo/server@${packageVersion}`,
@@ -305,7 +302,11 @@ export function ApolloServerPluginUsageReporting<TContext extends BaseContext>(
           );
         }
 
-        const compressed = await gzipPromise(message);
+        const compressed = await new Promise<Buffer>((resolve, reject) => {
+          gzip(message!, (error, result) => {
+            error ? reject(error) : resolve(result);
+          });
+        });
         // Let the uncompressed message be garbage collected (helpful if the
         // HTTP request is slow).
         message = null;