Object Property Utility : Set readonly property value for an object

object.property.js

/*
Set readonly property value for an object
*/
// Utils
var
op=function(o,p,v){
	o=o||{};
	var f=Object.defineProperty;
	if(!io(v)){opv(v)}
	if(f){
		f(o,p,v);
	}else{
		o[p]=v.value;
	}
	return o
},
ops=function(o,p){
	o=o||{};
	var f=Object.defineProperties;
	if(f){
		f(o,p);
	}else{
		for(var x in p){o[x]=p[x].value}
	}
	return o
},
opv=function(v,w){
	return{value:v,writable:w||!1}
},
opvs=function(o,w){
	for(var x in o){o[x]=opv(o[x],w)}
	return o
};

// Usage Example
var object1=op({},'property',opv('value'));
var object2=ops({},{
  property:opv('value')
}));
var object3=ops({},opvs({
  property:'value'
}));