Proxy reflete (pode ser usado para validação)
const person = {
name: "John Doe",
age: 42,
nationality: "American"
};
const personProxy = new Proxy(person, {
get: (obj, prop) => {
console.log(`The value of ${prop} is ${Reflect.get(obj, prop)}`);
},
set: (obj, prop, value) => {
console.log(`Changed ${prop} from ${obj[prop]} to ${value}`);
return Reflect.set(obj, prop, value);
}
});
personProxy.name;
personProxy.age = 43;
personProxy.name = "Jane Doe";
Foolish Flamingo