Let modify options be async

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-use-upload",
-  "version": "0.5.11",
+  "version": "0.5.13-beta",
   "description": "",
   "main": "cjs/index.js",
   "module": "lib/index.js",

src/clients/graphql/index.tsx

@@ -1,6 +1,6 @@
-import request from './request';
-import { extractFiles } from 'extract-files';
-import { XHRResponse } from '../xhr/listeners';
+import request from "./request";
+import { extractFiles } from "extract-files";
+import { XHRResponse } from "../xhr/listeners";
 /* 
   Extract files is the official package used by the developer who helped
   create the graphql upload spec in apollo client / server
@@ -9,7 +9,9 @@ import { XHRResponse } from '../xhr/listeners';
 
 type GraphQLSetupOptions = {
   baseUrl: string;
-  modifyRequest?: (request: GraphQLOptions) => GraphQLOptions;
+  modifyRequest?: (
+    request: GraphQLOptions
+  ) => Promise<GraphQLOptions> | GraphQLOptions;
 };
 
 export type GraphQLClientProps = {
@@ -39,26 +41,26 @@ type FileMap = {
 export const createGraphQLClient = ({
   baseUrl,
   modifyRequest,
-}: GraphQLSetupOptions) => ({
+}: GraphQLSetupOptions) => async ({
   onProgress,
   options,
 }: GraphQLClientProps): Promise<XHRResponse> => {
-  let modifiedOptions = modifyRequest ? modifyRequest(options) : options;
+  let modifiedOptions = modifyRequest ? await modifyRequest(options) : options;
 
   const { clone, files } = extractFiles({
     query: options.mutation.loc.source.body,
     variables: options.variables,
   });
 
   var body = new FormData();
-  body.append('operations', JSON.stringify(clone));
+  body.append("operations", JSON.stringify(clone));
 
   const map: FileMap = {};
   let i = 0;
   files.forEach((paths: string) => {
     map[++i] = paths;
   });
-  body.append('map', JSON.stringify(map));
+  body.append("map", JSON.stringify(map));
 
   i = 0;
   files.forEach((paths: string, file: File) => {
@@ -69,6 +71,6 @@ export const createGraphQLClient = ({
     body,
     onProgress,
     options: modifiedOptions,
-    url: `${baseUrl}${options.path || ''}`,
+    url: `${baseUrl}${options.path || ""}`,
   });
 };

src/clients/xhr/index.tsx

@@ -14,7 +14,7 @@ export type XHRClient = (args: XHRClientProps) => Promise<XHRResponse>;
 
 export type XHRSetupOptions = {
   baseUrl?: string;
-  modifyRequest?: (request: XHROptions) => XHROptions;
+  modifyRequest?: (request: XHROptions) => Promise<XHROptions> | XHROptions;
 };
 
 export type GetUrlResponse =
@@ -48,7 +48,7 @@ export const createXhrClient = ({
   files,
   options,
 }: XHRClientProps): Promise<XHRResponse> => {
-  let modifiedOptions = modifyRequest ? modifyRequest(options) : options;
+  let modifiedOptions = modifyRequest ? await modifyRequest(options) : options;
   let url = `${baseUrl || ""}${options.path || ""}`;
 
   //Get the url using a promise, for signed uploads