Colors Logger to Browser Console or Node Shell

LPLogger.js

/**
   * Node or Browser Console Logger
   * @author: Loreto Parisi (loretoparisi gmail dot com)
  */
  var LP Logger = {

    /** True if browser console, False if is node */
    isConsole : ((typeof process === 'object' && process + '' === '[object process]')?false:true),

    level:0,

    settings: {
      debug : true
  	},

    /** Console Color Set */
    CONSOLECOLORS : {
      BG : '#FFF',
      DEBUG : '#3399FF',
      ERROR : '#CC0000',
      WARN : '#FFCC00',
      INFO : '#00CC33'
    },

    /** Shell Color Set */
    SHELLCOLORS : {
      Bg : '\033[99m',
      Red : '\033[91m',
      Green : '\033[92m',
      Blue : '\033[94m',
      Cyan : '\033[96m',
      White : '\033[97m',
      Yellow : '\033[93m',
      Magenta : '\033[95m',
      Grey : '\033[90m',
      Black : '\033[90m'
    },

  	setLevel:function(level) { this.level=level; },
  	getLevel:function() { return this.level;},

  	isDebug : function() {
  		return this.level==3;
  	},
  	isWarn : function() {
  		return this.level==1;
  	},
  	isInfo : function() {
  		return this.level==2;
  	},
  	isError : function() {
  		return this.level==0;
  	},
  	_log : function(message) {
  		if(typeof(console)!='undefined') console.log(message)
  	},
    _replace : function(args) {
      var rep= args.slice(1, args.length);
      var i=0;
      var output = args[0].replace(/%s/g, function(match,idx) {
        var subst=rep.slice(i, ++i);
        return( subst );
      });
       return(output);
    },//replace,
  	error : function() {
      var message=this._replace( Array.prototype.slice.call(arguments) );
      if(this.level>=0) {
        var bg=this.isConsole?this.CONSOLECOLORS.BG:this.SHELLCOLORS.Bg;
        var color=this.isConsole?this.CONSOLECOLORS.ERROR:this.SHELLCOLORS.Red;
  			this._print(message,this.LEVELCOLORS.BG,this.LEVELCOLORS.ERROR);
  		}
  	},
  	info:function() {
      var message=this._replace( Array.prototype.slice.call(arguments) );
      if(this.level>=2) {
        var bg=this.isConsole?this.CONSOLECOLORS.BG:this.SHELLCOLORS.Bg;
        var color=this.isConsole?this.CONSOLECOLORS.INFO:this.SHELLCOLORS.Grey;
        this._print(message,bg,color);
  		}
  	},
  	warn:function() {
      var message=this._replace( Array.prototype.slice.call(arguments) );
  		if(this.level>=1) {
        var bg=this.isConsole?this.CONSOLECOLORS.BG:this.SHELLCOLORS.Bg;
        var color=this.isConsole?this.CONSOLECOLORS.WARN:this.SHELLCOLORS.Yellow;
  			this._print(message,bg,color);
  		}
  	},
  	debug:function() {
      var message=this._replace( Array.prototype.slice.call(arguments) );
  		if(this.level>=3) {
        var bg=this.isConsole?this.CONSOLECOLORS.BG:this.SHELLCOLORS.Bg;
        var color=this.isConsole?this.CONSOLECOLORS.DEBUG:this.SHELLCOLORS.Blue;
        this._print(message,bg,color);
  		}
  	},
    _print : function(msg,bgc,txc) {
        if(msg instanceof Object) {
          try {
			        var time = new Date();
			        var msg = "[" + time + "] " + JSON.stringify(msg);
              console.log( msg );
          } catch(e) {
			      var time = new Date();
			      var msg = time + " " + msg;
            this.log( msg );
          }
        } else {
		      var time = new Date();
		      var msg = "[" + time + "] " + msg;
          if(this.isConsole) { //browser console
            console.log('%c ' + msg, 'background:'+bgc+'; color:'+txc+';');
          }
          else { //node
            console.log(txc+' ' + msg);
          }
        }
    }

  }//LPLogger
  
  LPLogger.LEVEL_ERROR = 0;
  LPLogger.LEVEL_WARN = 1;
  LPLogger.LEVEL_INFO = 2;
  LPLogger.LEVEL_DEBUG = 3;
  
  //Example
  LPLogger.setLevel(LPLogger.LEVEL_DEBUG);
  LPLogger.debug("this is %s nifty %s message","blue","debug");
  LPLogger.warn("this is %s nifty %s message","yellow", "warn");