Merge pull request crazycodeboy#33 from Vydia/hide-screen-when-js-fails

Hide screen when a js loading error occurs

ios/SplashScreen.h

@@ -7,8 +7,8 @@
  * Email:[email protected]
  */
 #import <React/RCTBridgeModule.h>
-//#import "RCTBridgeModule.h"
 
 @interface SplashScreen : NSObject<RCTBridgeModule>
 + (void)show;
++ (void)hide;
 @end

ios/SplashScreen.m

@@ -8,8 +8,10 @@
  */
 
 #import "SplashScreen.h"
+#import <React/RCTBridge.h>
 
 static bool waiting = true;
+static bool addedJsLoadErrorObserver = false;
 
 @implementation SplashScreen
 - (dispatch_queue_t)methodQueue{
@@ -18,16 +20,32 @@ - (dispatch_queue_t)methodQueue{
 RCT_EXPORT_MODULE()
 
 + (void)show {
+    if (!addedJsLoadErrorObserver) {
+        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(jsLoadError:) name:RCTJavaScriptDidFailToLoadNotification object:nil];
+        addedJsLoadErrorObserver = true;
+    }
+
     while (waiting) {
         NSDate* later = [NSDate dateWithTimeIntervalSinceNow:0.1];
         [[NSRunLoop mainRunLoop] runUntilDate:later];
     }
 }
 
-RCT_EXPORT_METHOD(hide) {
++ (void)hide {
     dispatch_async(dispatch_get_main_queue(),
                    ^{
                        waiting = false;
                    });
 }
+
++ (void) jsLoadError:(NSNotification*)notification
+{
+    // If there was an error loading javascript, hide the splash screen so it can be shown.  Otherwise the splash screen will remain forever, which is a hassle to debug.
+    [SplashScreen hide];
+}
+
+RCT_EXPORT_METHOD(hide) {
+    [SplashScreen hide];
+}
+
 @end

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-splash-screen",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "A splash screen for react-native, hide when application loaded ,it works on iOS and Android.",
   "main": "index.js",
   "scripts": {