Merge pull request #107 from NativeScript/expose-nslog

Expose __nslog that calls NSLog(@"%@", msg) under the hood so logs output can be performed in release builds

ios/TNSWidgets/TNSProcess.h

@@ -9,9 +9,21 @@
 #ifndef TNSProcess_h
 #define TNSProcess_h
 
+#import <Foundation/Foundation.h>
+
 /**
  * Get the milliseconds since the process started.
  */
 double __tns_uptime();
 
+/**
+ * Provides access to NSLog. The runtime implementation of console.log is filtered in release.
+ * We rarely need to log in release but in cases such as when logging app startup times in release,
+ * this will be convenient shortcut to NSLog, NSLog is not exposed.
+ *
+ * Please note the {N} CLI may be filtering app output, prefixing the message with "CONSOLE LOG"
+ * will make the logs visible in "tns run ios --release" builds.
+ */
+void __nslog(NSString* message);
+
 #endif /* TNSProcess_h */

ios/TNSWidgets/TNSProcess.m

@@ -8,8 +8,6 @@
 
 #include "TNSProcess.h"
 
-#import <Foundation/Foundation.h>
-
 #include <sys/sysctl.h>
 #include <sys/types.h>
 #include <sys/time.h>
@@ -26,3 +24,7 @@ double __tns_uptime() {
 
     return (double)(current.tv_sec - proc.kp_proc.p_starttime.tv_sec) * 1000.0 + (double)(current.tv_usec - proc.kp_proc.p_starttime.tv_usec) / 1000.0;
 }
+
+void __nslog(NSString* message) {
+    NSLog(@"%@", message);
+}