// Samuel Burbano
const socials = {
  twitter: "@iosamuel",
  facebook: "iosamuel.dev",
  github: "iosamuel",
  web: "iosamuel.dev"
};

const handler = {
  set: function(target, prop, value, receiver) {
    const val = value ? value : "invalid";
    return Reflect.set(target, prop, val, receiver);
  },
  get: function(target, name) {
    return name in target
        ? target[name]
        : 37;
  }
};

const p = new Proxy({}, handler);
p.a = 1;
p.b = undefined;

console.log(p.a, p.b); // 1, "invalid"
console.log('c' in p, p.c); // false, 37

const target = {};

/*
  {
    value: 37,
    writable: true,
    enumerable: true,
    configurable: true
  }
*/
Object.defineProperty(target, "c", {
  enumerable: true,
  configurable: true,
  get() {
    return !this.value ? 'no definido' : this.value;
  },
  set(val) {
    this.value = val;
  }
});

const target = {}; // Objeto donde aplicar las trampas
const handler = {}; // Set de trampas

const p = new Proxy(target, handler);