Virtualizing TypeScript Properties with Proxy and Decorator - listing 3

virtualizing-with-proxy.ts

class VirtHandler
{
    target: any;
    
    get( t: any, p: PropertyKey, r: any): any
    {
        return this.target[p];
    }
}

class Base
{
    static handler = new VirtHandler();
    static createProxy( v: any)
    {
        this.handler.target = v;
        return new Proxy( v, this.handler);
    }

    first = Base.createProxy( { v: 1 });
    second = this.first;
}

class Derived extends Base
{
    first = Base.createProxy( { v: 2 });;
}

let obj = new Derived();
console.log( obj.second.v);