@rws-framework/client/src/components/_attrs/_external_handler.ts

This package provides the core client-side framework for Realtime Web Suit (RWS), enabling modular, asynchronous web components, state management, and integration with backend services. It is located in `.dev/client`.

import { Observable } from "@microsoft/fast-element";

export function handleExternalChange(_target: any, $prop: string)
{       
    if(!!_target['externalChanged']){
        _target['externalChanged'].call(_target, $prop, null, _target[$prop]);
    } 
}