Proxy Example

proxy-example.js

const userProxy = {
	get: function (target, name) {
		return name === 'password' ? '*'.repeat(target.password.length) : target[name];
    }	
}

// or shorter

const userProxy = {
	get: (target, name) => name === 'password' ? '*'.repeat(target.password.length) : target[name],
}

// With set as well as get

const userProxy = {
	get: (target, name) => name === 'password' ? '*'.repeat(target.password.length) : target[name],
	set: (object, property, value) => {
		if (property === 'password' && value.length < 8) {
			throw new RangeError('Passwords must be at least 8 characters long');
        	}

		object[property] = value;
		return true;
    	}
}