Angular 2 : No NgModule metadata found

Question

I\'m brand new to Angular 2 and attempting to follow along with a video tutorial I found. Despite following all of the steps, Angular just won\'t work; I get the following e

Answer 1

If Nothing else works try following

if (environment.production) {
        // there is no need of this if block, angular internally creates following code structure when it sees --prod
        // but at the time of writting this code, else block was not working in the production mode and NgModule metadata
        // not found for AppModule error was coming at run time, added follow code to fix that, it can be removed probably 
        // when angular is upgraded to latest version or if it start working automatically. :)
        // we could also avoid else block but building without --prod saves time in building app locally.
        platformBrowser(extraProviders).bootstrapModuleFactory(AppModuleNgFactory);
    } else {
        platformBrowserDynamic(extraProviders).bootstrapModule(AppModule);
    }