add notes

siteMap.js

@@ -1,9 +1,22 @@
 const settings = require('./settings')
 const fs = require('fs')
 
-//TODO: make async
-module.exports = scanDirectory(settings.siteTitle, __dirname + settings.searchDir)
+module.exports = generateSiteMap()
 
+/** Generate full site map
+ * 
+ * @returns {Object} full site map
+ */
+function generateSiteMap(){
+  return scanDirectory(settings.siteTitle, __dirname + settings.searchDir)
+}
+
+/** Generates a object containing a list of all pages
+ * 
+ * @param {String} dir directory source of the pages
+ * @param {Array} files list of the file in the directory
+ * @returns {Object} siteMap list of pages
+ */
 function scanPages(dir, files){
   var pages = {}
 
@@ -37,7 +50,12 @@ function scanPages(dir, files){
   return pages
 }
 
-function scanDirectory(file, path){
+/**
+ * 
+ * @param {String} dirname directory name
+ * @param {String} path Path to the directory
+ */
+function scanDirectory(dirname, path){
   var index
   var files = fs.readdirSync(path);
 
@@ -56,11 +74,11 @@ function scanDirectory(file, path){
   }
 
   return {
-    title: String (file),
+    title: String (dirname),
     type: "directory",
     file: String (path),
     index: (index) ? index : {
-      title: String (file),
+      title: String (dirname),
       type: 'index',
       file: String (path)
     },