proxy_obj.lua

function ProxyObj(obj)
	return {
		set = function(k, val)
			obj[k] = val
		end,
		get = function(k)
			local v = obj[k]
			if type(v) == 'table' and not rawget(v, '__cfx_functionReference') then
				return ProxyObj(v)
			else
				return v
			end
		end
	}
end

function WrapProxy(obj)
	return setmetatable({}, {
		__index = function(t, k)
			local v = obj.get(k)
			
			--Don't proxy function references
			if type(v) == 'table' and not rawget(v, '__cfx_functionReference') then
				return WrapProxy(v)
			else
				return v
			end
		end,
		__newindex = function(t, k, v)
			obj.set(k, v)
		end
	})
end

someObj = {
	var1 = {
		subVar1 = 123
	}
}

exports("someObj", function()
	return ProxyObj(someObj)
end)

someObj2 = WrapProxy(exports.random:someObj())
--Initial value
print(someObj2.var1.subVar1)

--Modify the original object
someObj.var1.subVar1 = 142
print(someObj2.var1.subVar1)

--Changes to the proxy object propagate to the original object
someObj2.var1.subVar1 = 152
print(someObj.var1.subVar1)

--Adding a function reference to the original object
someObj.var1.func = function() return "Test" end
print(someObj2.var1.func())