Kureev

- (void)runJSVMThread {
    [[[ChakraProxy alloc] init] run];
    
    NSRunLoop *runloop = [NSRunLoop currentRunLoop];
    
    while (true) {
        [runloop runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]];
    }
}

Kureev

- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
    _jsvmThread = [[NSThread alloc] initWithTarget:self
                                          selector:@selector(runJSVMThread)
                                            object:nil];
    [_jsvmThread start];
}