path.js

• Classes
  • Path
    • constructor
    • list

helper/path.js
  
/**
 * Path Helper
 *
 * @module greppy/helper/path
 * @author Hermann Mayer <hermann.mayer92@gmail.com>
 */
var util = require('util');
var fs = require('fs');
var path = require('path');
/**
 * @constructor
 */
var Path = function()
{
};
/**
 * Recursivly list all files and/or directories for given start point(s).
 *
 * @param {Array|String} startPoints - Startpoint to search, or multiple
 * @param {Object} options - Options for listing dirs and/or files
 * @return {Array}
 */
Path.prototype.list = function(startPoints, options)
{
    if (!startPoints) {
        throw new Error('No startPoint(s) was given');
    }
    var self = this;
    if (!util.isArray(startPoints)) {
        startPoints = [startPoints];
    }
    options             = options || {};
    options.directories = ('undefined' === typeof options.directories) ? false : options.directories;
    options.files       = ('undefined' === typeof options.files) ? true : options.files;
    var dirs = [];
    if (options.directories) {
        dirs = startPoints;
    }
    startPoints.forEach(function(start) {
        var stat = fs.statSync(start);
        if (stat.isDirectory()) {
            var filenames = fs.readdirSync(start);
            filenames.forEach(function(name) {
                var abspath     = path.join(start, name);
                var abspathStat = fs.statSync(abspath);
                if (abspathStat.isDirectory()) {
                    if (options.directories) {
                        dirs.push(abspath);
                    }
                    rDirs = self.list([abspath], options);
                    if (rDirs instanceof Array) {
                        rDirs.forEach(function(dir) {
                            -1 == dirs.indexOf(dir) && dirs.push(dir);
                        });
                    } else {
                        -1 == dirs.indexOf(dir) && dirs.push(rDirs);
                    }
                    return;
                }
                if (abspathStat.isFile() && options.files) {
                    dirs.push(abspath);
                }
            });
        } else {
            throw new Error("Path " + start + " is not a directory");
        }
    });
    return dirs;
};
module.exports = Path;