add ability to check env

Author: yaacovCR

src/index.ts

@@ -28,7 +28,7 @@
 
 // The GraphQL.js version info.
 export { version, versionInfo } from './version.js';
-export { setEnv } from './setEnv.js';
+export { setEnv, getEnv } from './setEnv.js';
 export type { Env } from './setEnv.js';
 
 // The primary entry point into fulfilling a GraphQL request.

src/setEnv.ts

@@ -2,6 +2,13 @@ import { setInstanceOfCheckForEnv } from './jsutils/instanceOf.js';
 
 export type Env = 'production' | 'development';
 
+let env: Env | undefined;
+
 export function setEnv(newEnv: Env): void {
+  env = newEnv;
   setInstanceOfCheckForEnv(newEnv);
 }
+
+export function getEnv(): Env | undefined {
+  return env;
+}