[kanji, jsface] Intercept property changed

property-changed.js

function makeSetter(name, fn) {
  return function() {
    console.log('setter: ', name , this);
    return fn.apply(this, arguments);
  }
}

Class.plugins.$interceptPropertyChanged = function invoke(clazz, parent, api)
{
    for (var key in api) {
        var prop = api[key];

        if (clazz.prototype && prop && prop.set) {
          prop.set = makeSetter(prop, prop.set);
          Object.defineProperty(clazz.prototype, key, prop);
        }
    }
}

var Foo = Class({
  name: {
    get: function() {
      return this._name || 'Tan';
    },
    set: function(value) {
      this._name = value;
    },
    enumerable: true,
    configurable: true
  }
});

var f = new Foo();

f.name = 1234; // intercept function should be called