1 files changed, 6 insertions, 1 deletions
diff --git a/lib/fs/index.js b/lib/fs/index.js
index bcd9345..4fd63e9 100644
--- a/lib/fs/index.js
+++ b/lib/fs/index.js
@@ -2,6 +2,7 @@ var _ = require('lodash');
 var path = require('path');
 var Buffer = require('buffer').Buffer;
 var destroy = require('destroy');
+var os = require('os');
 
 var Promise = require('../utils/promise');
 
@@ -45,10 +46,14 @@ FS.prototype.readdir = function(folder) {
     // To implement for each fs
 };
 
-
 // These methods don't require to be redefined, by default it uses .exists, .read, .write, .list
 // For optmization, it can be redefined:
 
+// Allocate a new temporary directory
+FS.prototype.tmpdir = function() {
+    return path.resolve(os.tmpdir(), _.uniqueId('gitbook_tmp_'));
+};
+
 // List files in a directory
 FS.prototype.listFiles = function(folder) {
     return this.readdir(folder)