Worker.IO - RPC interfaces for your web workers, Promise/A+ compliant
Exceptional Exceptions: Customizable error classes and error re-throwing with original error included
Addon handles uncatched errors. Handled error can be displayed on customizable error page or passed through custom logic. By default addon includes consumers for local and remote logging of errors.
Sometymes you need types and assertions when organizing bigger application. Addon provides extensions to assert types for computed properties and function parameters in runtime.