Error: EMFILE, too many open files

lib/assetmanager.js

@@ -5,7 +5,8 @@ var fs = require('fs')
 	, jsmin = require('./../deps/jsmin').minify
 	, htmlmin = require('./../deps/htmlmin').minify
 	, cssmin = require('./../deps/cssmin').minify
-	, crypto = require('crypto');
+	, crypto = require('crypto')
+	, async = require('async');
 
 var zlib;
 try {
@@ -17,6 +18,25 @@ var cache = {}
 	, cacheHashes = {}
 	, cacheTimestamps = {};
 
+var q = async.queue(function (task, callback) {
+	(function (task, fileInfo) {
+		file = task.file
+		fileInfo = task.fileInfo
+		fs.readFile(file, function (err, data) {
+			if (err) {
+				console.log('Could not find: '+file);
+				callback(null, '');
+				return;
+			}
+			fileInfo.content = data.toString();
+			fs.stat(file, function (err, stat) {
+				fileInfo.modified = stat.mtime;
+				callback(null, fileInfo);
+			});
+		});
+	})(task);
+}, 10);
+
 module.exports = function assetManager (assets) {
 	var self = this;
 
@@ -142,6 +162,7 @@ module.exports = function assetManager (assets) {
 				userAgentMatches = Object.keys(userAgentMatches);
 			}
 
+
 			userAgentMatches.forEach(function(match) {
 				var path = group.path;
 				Step(function () {
@@ -306,21 +327,9 @@ module.exports = function assetManager (assets) {
 				callback(null, fileInfo);
 			});
 		} else {
-			setTimeout(function() {
-				fs.readFile(path+file, function (err, data) {
-					if (err) {
-						console.log('Could not find: '+file);
-						callback(null, '');
-						return;
-					}
-					fileInfo.content = data.toString();
-
-					fs.stat(path+file, function (err, stat) {
-						fileInfo.modified = stat.mtime;
-						callback(null, fileInfo);
-					});
-				});
-			}, 100);
+			q.push({fileInfo: fileInfo, file: path+file}, function (err, fileInfo) {
+			    callback(err, fileInfo);
+			});
 		}
 	};
 

package.json

@@ -8,10 +8,11 @@
   "directories" : { "lib" : "./lib" },
   "main" : "./lib/assetmanager",
   "repository" : [
-    { "type":"git", "url":"http://github.com/mape/connect-assetmanager.git" }
+    { "type":"git", "url":"http://github.com/lordkada/connect-assetmanager.git" }
   ],
   "dependencies" : {
     "request" : ">=0.10.0",
-    "step" : ">=0.0.3"
+    "step" : ">=0.0.3",
+    "async" : "0.1.22"
   }
 }