Utils - Cross browser logging

utils-logging.js

utils = {
  log: function() {
    this.__log("log", arguments);
  },
  
  info: function() {
    this.__log("info", arguments);
  },
  
  warn: function() {
    this.__log("warn", arguments);
  },
  
  error: function() {
    this.__log("error", arguments);
  },
  
  __log: function() {
    var type = arguments[0];
  
    if (this._debug && typeof console !== "undefined" && console !== null && typeof console[type] !== "undefined" && console[type] !== null) {
      var _ref = console[type],
        _ref1;
      if (typeof _ref !== "undefined" && _ref !== null && typeof _ref.apply !== "undefined" && _ref.apply !== null) {
        _ref.apply(console, (_ref1 = [type + ":"]).concat.apply(_ref1, arguments[1]));
      } else {
        var str = "";
        _.each(arguments[1], function(a){
          if (typeof a === "string") {
            str += str.length > 0 ? ", " + a : a; 
          } else {
            if (str.length > 0) {
              _ref(str);
              str = "";
            }
            _ref(JSON.stringify(a));
          }            
        });
      }       
    }
  }
}