Fix defaults for configuration

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/generate/config.js b/lib/generate/config.js
index 798bedc..13a95af 100644
--- a/lib/generate/config.js
+++ b/lib/generate/config.js
@@ -1,7 +1,8 @@
+var _ = require('lodash');
 var path = require('path');
 
 // Default configuration for gitbook
-module.exports = {
+var CONFIG = {
     // Folders to use for output
     // Caution: it overrides the value from the command line
     // It's not advised this option in the book.json
@@ -89,3 +90,10 @@ module.exports = {
     }
 };
 
+module.exports = {
+    CONFIG: CONFIG,
+    defaults: function(options) {
+        return _.merge(options || {}, CONFIG, _.defaults);
+    }
+}
+