module.exports = ProxyHandler; function ProxyHandler(cbs){ this._cbs = cbs || {}; } var EVENTS = require("./").EVENTS; Object.keys(EVENTS).forEach(function(name){ if(EVENTS[name] === 0){ name = "on" + name; ProxyHandler.prototype[name] = function(){ if(this._cbs[name]) this._cbs[name](); }; } else if(EVENTS[name] === 1){ name = "on" + name; ProxyHandler.prototype[name] = function(a){ if(this._cbs[name]) this._cbs[name](a); }; } else if(EVENTS[name] === 2){ name = "on" + name; ProxyHandler.prototype[name] = function(a, b){ if(this._cbs[name]) this._cbs[name](a, b); }; } else { throw Error("wrong number of arguments"); } });