Base template for create OOP classes in Javascript ES5

MyClass.js

{ // MyClass
	var MyClass = function () {
		var self = this;

		setupPublicProperties({
			publicVariable1: 'foo',
			publicVariable2: 'bar',
		});

		setupPrivateProperties({
			foo: 'bar',
			man: 'uel',
			car: 'los',
		});

		var accessor = {
			// Public properties via getter/setter
			get: getter.bind(self),
			set: setter.bind(self),

			// Public methods
			publicMethod1: method(self.method1),
			publicMethod2: method(self.method2),
		}

		return accessor;

		// Internals
		function method(name) {
			return function () {
				return name.apply(self, arguments);
			}
		}
		function getter(variable) {
			return self.publicVariables[variable] !== undefined && self[variable];
		}
		function setter(variable, value) {
			self.publicVariables[variable] = self[variable] = value;
			return self;
		}
		function setupPublicProperties(publicVariables) {
			self.publicVariables = publicVariables; 
			for (key in publicVariables) {
				self[key] = publicVariables[key];
			}
		}
		function setupPrivateProperties(privateVariables) {
			self.privateVariables = privateVariables; 
			for (key in privateVariables) {
				self[key] = privateVariables[key];
			}
		}
	};
	MyClass.prototype = { // Public & private methods
		method1: function() { return this.privateMethod1() + this.publicVariables.publicVariable1 },
		method2: function() {},

		privateMethod1: function () { return 'privateMethod1'; },
		privateMethod2: function () { return 'privateMethod2'; },
	};
}