fix: disabled playground when environment is set to prod

src/index.ts

@@ -3,6 +3,7 @@ export { PolarisServer } from './server/polaris-server';
 export { PolarisServerOptions } from './config/polaris-server-options';
 export { MiddlewareConfiguration } from './config/middleware-configuration';
 export { formatError } from './errors/error-formatter';
+export * from 'apollo-server-errors';
 export { PubSub, gql } from 'apollo-server-express';
 export * from '@enigmatis/polaris-common';
 export { Reality } from '@enigmatis/polaris-common';

src/server/polaris-server.ts

@@ -14,7 +14,7 @@ import { PolarisGraphQLLogger } from '@enigmatis/polaris-graphql-logger';
 import { AbstractPolarisLogger, LoggerConfiguration } from '@enigmatis/polaris-logs';
 import { PolarisLoggerPlugin } from '@enigmatis/polaris-middlewares';
 import { makeExecutablePolarisSchema } from '@enigmatis/polaris-schema';
-import { ApolloServer, ApolloServerExpressConfig } from 'apollo-server-express';
+import { ApolloServer, ApolloServerExpressConfig, PlaygroundConfig } from 'apollo-server-express';
 import { ApolloServerPlugin } from 'apollo-server-plugin-base';
 import * as deepMerge from 'deepmerge';
 import * as express from 'express';
@@ -112,10 +112,8 @@ export class PolarisServer {
             schema: this.getSchemaWithMiddlewares(),
             context: (ctx: ExpressContext) => this.getPolarisContext(ctx),
             plugins,
-            playground: {
-                cdnUrl: '',
-                version: '',
-            },
+            playground: this.getPlaygroundConfig(),
+            introspection: this.getIntrospectionConfig(),
             formatError,
             subscriptions: {
                 path: `/${this.polarisServerConfig.applicationProperties.version}/subscription`,
@@ -170,6 +168,20 @@ export class PolarisServer {
         return allowedMiddlewares;
     }
 
+    private getPlaygroundConfig(): PlaygroundConfig {
+        return this.isProduction() ? false : { cdnUrl: '', version: '' };
+    }
+
+    private getIntrospectionConfig(): boolean | undefined {
+        return this.isProduction() ? false : undefined;
+    }
+
+    private isProduction(): boolean {
+        const environment: string | undefined = this.polarisServerConfig.applicationProperties
+            .environment;
+        return environment === 'prod' || environment === 'production';
+    }
+
     private getPolarisContext = (context: ExpressContext): PolarisGraphQLContext => {
         const { req, connection } = context;
         const headers = req ? req.headers : connection?.context;

test/errors/error-formatter.test.ts

@@ -4,7 +4,7 @@ import * as status from 'http-status';
 import { formatError } from '../../src';
 
 describe('formatError tests', () => {
-    test('calling formatError with UserInputError, bad request status code is inside the extensions ', () => {
+    test('calling formatError with UserInputError, bad request status code is inside the extensions', () => {
         const error = {
             originalError: new UserInputError('test'),
             extensions: {},