Fixed code format

Author: shukob

packages/aws-appsync/src/client.ts

@@ -35,7 +35,7 @@ import { createRetryLink } from './link/retry-link';
 import { boundEnqueueDeltaSync, buildSync, DELTASYNC_KEY, hashForOptions } from "./deltaSync";
 import { Subscription } from 'apollo-client/util/Observable';
 import { CONTROL_EVENTS_KEY } from './link/subscription-handshake-link';
-import {S3Config} from "./link/complex-object-link";
+import { S3Config } from "./link/complex-object-link";
 
 export { defaultDataIdFromObject };
 
@@ -86,7 +86,7 @@ export const createAppSyncLink = ({
         complexObjectsCredentials: CredentialsGetter,
         resultsFetcherLink?: ApolloLink,
         conflictResolver?: ConflictResolver,
-    s3Config?: S3Config,
+        s3Config?: S3Config,
     }) => {
     const link = ApolloLink.from([
         createLinkWithStore((store) => new OfflineLink(store)),
@@ -184,7 +184,8 @@ class AWSAppSyncClient<TCacheShape extends NormalizedCacheObject> extends Apollo
             storage = undefined,
             callback = () => { },
             storeCacheRootMutation = false,
-        } = {}, s3Config = {}
+        } = {},
+        s3Config = {}
     }: AWSAppSyncClientOptions, options?: Partial<ApolloClientOptions<TCacheShape>>) {
         const { cache: customCache = undefined, link: customLink = undefined } = options || {};
 

packages/aws-appsync/src/link/complex-object-link-uploader.native.ts

@@ -29,7 +29,7 @@ export default (fileField, { credentials, s3Config }) => {
         ContentType,
     };
 
-    if(s3Config.modifyPutObjectRequest != null){
+    if (s3Config.modifyPutObjectRequest != null) {
         params = s3Config.modifyPutObjectRequest(params);
     }
 

packages/aws-appsync/src/link/complex-object-link-uploader.ts

@@ -29,7 +29,7 @@ export default (fileField, {credentials, s3Config}) => {
         ContentType,
     };
 
-    if(s3Config.modifyPutObjectRequest != null){
+    if (s3Config.modifyPutObjectRequest != null) {
         params = s3Config.modifyPutObjectRequest(params);
     }
 

packages/aws-appsync/src/link/complex-object-link.ts

@@ -14,10 +14,10 @@ import { ExecutionResult, GraphQLError } from 'graphql';
 
 import upload from "./complex-object-link-uploader";
 import { AWSAppsyncGraphQLError } from '../types';
-import {S3} from "aws-sdk";
+import { S3 } from "aws-sdk";
 
 export interface S3Config{
-    modifyPutObjectRequest?: null | ((request: S3.PutObjectRequest) => S3.PutObjectRequest)
+    modifyPutObjectRequest?: (request: S3.PutObjectRequest) => S3.PutObjectRequest
 }
 
 export class ComplexObjectLink extends ApolloLink {