Add close method

Author: jordanbyron

README.md

@@ -70,7 +70,8 @@ var {
   DeviceEventEmitter,
 } = React;
 
-var EventSource = require('NativeModules').RNEventSource;
+var EventSource = require('NativeModules').RNEventSource,
+    subscription;
 
 var MyFancyApp = React.createClass({
   getDefaultProps: function() {
@@ -79,14 +80,15 @@ var MyFancyApp = React.createClass({
     };
   },
   componentDidMount: function() {
-    var subscription = DeviceEventEmitter.addListener(
+    subscription = DeviceEventEmitter.addListener(
       'EventSourceMessage', function(message) {
         console.log(message.event);
       });
 
     EventSource.connectWithURL(this.props.url);
   },
   componentDidUmnount: function() {
+    EventSource.close();
     subscription.remove();
   },
   render: function() {

RNEventSource/RNEventSource.m

@@ -53,12 +53,15 @@ - (void)dealloc{
         RCTLogInfo(@"%@: %@", e.event, e.data);
 
         [self.bridge.eventDispatcher sendDeviceEventWithName:@"EventSourceMessage"
-                                                        body:@{@"event": e.event,
-                                                               // Guard against null values as NSMutableDictionary
-                                                               // expects objects
+                                                        body:@{@"event": e.event ? e.event : [NSNull null],
                                                                @"data": e.data ? e.data : [NSNull null]}];
     }];
 
 }
 
+RCT_EXPORT_METHOD(close){
+    [self.eventSource close];
+    RCTLogInfo(@"EventSource: Closed");
+}
+
 @end