EventEmitterでイベントハンドラー ;; 3の付く数字と３の倍数の時だけアホになるタイマー

gistfile1.js

var EvEm = require('events').EventEmitter;

function Timer (interval, defaultFunc) {
    this.count      = 0;
    this.interval   = interval || 1000; // １秒デフォルト
    this.eventsList = {};
    this.default    = defaultFunc || function (c) { console.log(c); }; 
};

(function (_tp) {
    _tp.setEmt = function (emtName, pattern) {
        this.eventsList[emtName] = pattern;
        return this;
    };
    _tp.run = function () {
        var that   = this,
        count      = this.count,
        eventsList = this.eventsList,

        clearInt   = setInterval(function () {
            var flg = 0;
            for (var prop in eventsList) {
                if (eventsList[prop](count)) {
                    that.emit(prop, count);
                    flg++;
                }
            }
            if (flg === 0) that.default(count);
            count++;
            return ;
        }, this.interval);

        console.log(count++);
    };
})(Timer.prototype = new EvEm);

var timer = new Timer;
timer
    .setEmt('aho', function (c) {
        return (c % 3 === 0 || c.toString().match(/3/)) ? true : false;
    })
    .setEmt('dog', function (c) {
        return (c % 5 === 0 || c.toString().match(/5/)) ? true : false;
    })
;

timer
    .on('aho', function (c) {
        console.log('aho! %s', c);
    }).on('dog', function (c) {
        console.log('waooon!! %s', c);
    })
;

timer.run();

1;

出力--
0
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aho! 3
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waooon!! 5
aho! 6
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aho! 9
waooon!! 10
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aho! 12
aho! 13
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aho! 15
waooon!! 15
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aho! 18
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waooon!! 20
aho! 21