Use `Proxy` instead of function scope

[jaandrle]

Is your feature request related to a problem? Please describe:

Current implementation:

function component(/* … */){
	return { add /* … */ };
	function add(/* … */){ /* … */ }
}

Describe the solution you'd like:

Use Class+Proxy?

class Component{ /* … */ }
const bind_protocol= {
    get(target, property){
        if(property==="chain")
            return ()=> target;
        if(property==="class")
            return target;
        const out= target[property];
        if(typeof out!=="function") return out;
        return out.bind(target);
    }
};
function component(/* … */){
	return new Proxy( new Component(/* … */), bind_protocol );
}

Full example (.txt just because GitHub restriction ⇒ remove):
Proxy_test.js.txt

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Thanks for your help 🎉!