fetch part working for ios

Author: Ron Radtke

fetch.js

@@ -2,7 +2,7 @@ import {ReactNativeBlobUtilConfig} from 'types';
 import URIUtil from './utils/uri';
 import fs from './fs';
 import getUUID from './utils/uuid';
-import {DeviceEventEmitter, NativeEventEmitter, NativeModules} from 'react-native';
+import {DeviceEventEmitter, NativeEventEmitter} from 'react-native';
 import {FetchBlobResponse} from './class/ReactNativeBlobUtilBlobResponse';
 import CanceledFetchError from './class/ReactNativeBlobUtilCanceledFetchError';
 import ReactNativeBlobUtil from './codegenSpecs/NativeBlobUtils';
@@ -12,6 +12,7 @@ const eventEmitter = new NativeEventEmitter(ReactNativeBlobUtil);
 // register message channel event handler.
 eventEmitter.addListener('ReactNativeBlobUtilMessage', (e) => {
 
+    console.log('add listener')
     if (e.event === 'warn') {
         console.warn(e.detail);
     }
@@ -201,6 +202,7 @@ export function fetch(...args: any): Promise {
         });
 
         stateEvent = eventEmitter.addListener('ReactNativeBlobUtilState', (e) => {
+            console.log('state', e, typeof e, taskId, e.taskId)
             if (e.taskId === taskId)
                 respInfo = e;
             promise.onStateChange && promise.onStateChange(e);

index.js

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a MIT-style license that can be
 // found in the LICENSE file.
 
-import {AppState, Platform,} from 'react-native';
 import ReactNativeBlobUtil from './codegenSpecs/NativeBlobUtils';
 
 //import StatefulPromise from './class/StatefulPromise.js'

ios/ReactNativeBlobUtil/ReactNativeBlobUtil.mm

@@ -33,6 +33,10 @@ @implementation ReactNativeBlobUtil
 @synthesize bridge;
 bool hasListeners;
 
+- (NSArray<NSString*> *)supportedEvents {
+     return @[@"ReactNativeBlobUtilState", @"ReactNativeBlobUtilServerPush", @"ReactNativeBlobUtilProgress", @"ReactNativeBlobUtilProgress-upload", @"ReactNativeBlobUtilExpire", @"ReactNativeBlobUtilMessage", @"log", @"warn", @"error", @"data", @"end", @"reportProgress", @"reportUploadProgress"];
+ }
+
 // Will be called when this module's first listener is added.
 -(void)startObserving {
     hasListeners = YES;
@@ -53,6 +57,8 @@ - (void)emitEvent:(NSString *)name body:(NSString *) body
 }
 - (void)emitEventDict:(NSString *)name body:(NSDictionary *) body
 {
+    //TODO: All the FS events use the stream id as name. These events will be omitted since the streamID is not part of <supportedEvents>
+    NSLog(@"emit dict start");
     NSError *error;
     NSData *jsonData = [NSJSONSerialization dataWithJSONObject:body
                                                        options:NSJSONWritingPrettyPrinted