Walker // TODO :: need to order by orderRule

gistfile1.js

// TODO :: need to order by orderRule
var Walker = function(dirPath, orderRule, whitelist, blacklist){
  if (blacklist === undefined){ blacklist = function(path){ return false; }; };
	if (whitelist === undefined){ whitelist = function(path){ return true; }; };
	if (orderRule == undefined) { orderRule = function(a, b){ return -1; }; };
	if (dirPath == undefined) {
		console.log('please input root directory path.');
		return false;
	}

	this.whitelist = whitelist;
	this.blacklist = blacklist;
	this.orderRule = orderRule;
	this.pathList = [];
	
	this.findDir(dirPath);
}

Walker.prototype.findDir = function(dir){
	var that = this;
	var path = require('path')
		, fs = require('fs');

	var pathes = fs.readdirSync(dir);
	pathes.forEach(function(filepath, key, pathes){

		var fullPath = path.join(dir, filepath);
		
		if (that.whitelist(fullPath) && !that.blacklist(fullPath)){ 
			
			var lpath = fs.lstatSync(fullPath);
			if (lpath.isDirectory()) {
				that.findDir(fullPath); 
			}else{
				that.pathList.push(fullPath);
			}
		}
	});
};


Walker.prototype.display = function(){
	this.pathList.forEach(function(path, index, pl){
		console.log(path);
	});
};

var rootPath = '/Users';

walker = new Walker(rootPath);
walker.display();