Find folders matching the pattern themes/{theme}/assetnodes/{site} using NodeJS

async_map_demo.js

/**
 * Demo to find folders matching the pattern themes/{theme}/assetnodes/{site}
 * Requires running `npm install async`
 * Runs both using sync and async calls
 * @TODO More error checking
 */

var fs    = require('fs');
var async = require('async');

var basePath   = '../BuildStore/themes';
var assetNodes = 'assetnodes';

fs.readdir(basePath, function(err, themes) {
  if (!err) {

    var syncResults = [];
    for(var i=0; i<themes.length; i++) {
      var stats = fs.statSync(basePath+'/'+themes[i]);
      var assetNodesPath = basePath+'/'+themes[i]+'/'+assetNodes;
      if ( stats.isDirectory() && fs.existsSync(assetNodesPath) ) {
        sites = fs.readdirSync(assetNodesPath);
        for (var j=0; j<sites.length; j++) {
          var filePath = assetNodesPath+'/'+sites[j];
          var stats = fs.statSync(filePath);
          if ( stats.isDirectory() ) {
            syncResults.push(filePath);
          }
        }
      }
    }
    console.log('==synchronous results==');
    console.log(syncResults);
    console.log('\n\n');


    var paths = [];
    for (var i=0; i<themes.length; i++) {
      paths.push(basePath+'/'+themes[i]);
    }
    async.map(paths, fs.stat, function(err, fileStats) {
      if (!err) {
        var assetNodesPaths = [];
        for(var i=0; i<paths.length; i++) {
          if ( fileStats[i].isDirectory() ) {
            assetNodesPaths.push(paths[i]+'/'+assetNodes);
          }
        }
        async.filter(assetNodesPaths, fs.exists, function(directoryPaths) {
          async.map(directoryPaths, fs.readdir, function(err, files) {
            var subDirPaths = [];
            for(var i=0; i<files.length; i++) {
              for(var j=0; j<files[i].length; j++) {
                subDirPaths.push(directoryPaths[i]+'/'+files[i][j]);
              }
            }
            async.map(subDirPaths, fs.stat, function(err, fileStats) {
              var asyncResults = [];
              for(var i=0; i<fileStats.length; i++) {
                if(fileStats[i].isDirectory()) {
                  asyncResults.push(subDirPaths[i]);
                }
              }
              console.log('==asynchronous results==');
              console.log(asyncResults);
            });
          });
        });
      }
    });

  }
});