Created
March 11, 2019 03:35
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// proxies es6 | |
var empleado = { | |
nombre: '', | |
apellido: '', | |
password: '32ioi4o24' | |
}; | |
// empleado.nombre = 'alejandro'; | |
function valida(prop, value) { | |
const keys = Object.keys(empleado); | |
const propInvalida = keys.indexOf(prop) === -1; | |
if (propInvalida) { | |
console.error('Propiedad invalida'); | |
return false; | |
} | |
if ((prop === 'apellido' || prop === 'nombre') && /\d/.test(value)) { | |
console.error(`El valor de la propiedad ${prop} es invalido `); | |
return false; | |
} | |
return true; | |
} | |
var handler = { | |
set(obj, prop, value) { | |
if (valida(prop, value)) { | |
obj[prop] = value; | |
} | |
}, | |
get(obj, prop) { | |
if (prop === 'password') { | |
return '*'.repeat(obj[prop].length) | |
} | |
if (prop === 'nombreCompleto') { | |
return `${obj['nombre']} ${obj['apellido']}`; | |
} | |
return obj[prop]; | |
} | |
}; | |
var pEmpleado = new Proxy(empleado, handler); | |
pEmpleado.nombre = 'Alejandro'; | |
pEmpleado.apellido = 'Amador'; | |
pEmpleado.id = 324234; | |
// console.log(empleado); | |
console.log(pEmpleado.password); | |
console.log(pEmpleado.nombre); | |
console.log(pEmpleado.nombreCompleto); | |
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