Added the graph method.

lib/index.js

@@ -48,7 +48,7 @@ GitStats.record = function (data, callback) {
     // Get stats
     GitStats.get(function (err, stats) {
         stats = stats || {};
-        var day = data.date.format("MMM DDD, YYYY")
+        var day = data.date.format("MMM D, YYYY")
           , today = stats[day] = Object(stats[day])
           , repo = today[data.url] = Object(today[data.url])
           ;
@@ -76,3 +76,32 @@ GitStats.get = function (data, callback) {
     }
     FsExtra.readJSON(STORE_PATH, callback);
 };
+
+GitStats.graph = function (data, callback) {
+    GitStats.get(data, function (err, stats) {
+        if (err) { return callback(err); }
+        var year = {}
+          , end = Moment()
+          , start = Moment().subtract({ years: 1 })
+          , cDay = null
+          , cDayObj = null
+          ;
+
+        while (!(start > end)) {
+            cDay = start.format("MMM D, YYYY");
+            cDayObj = year[cDay] = {
+                _: stats[cDay] || {}
+              , c: 0
+            };
+
+            Object.keys(cDayObj._).forEach(function (c) {
+                cDayObj.c += Object.keys(cDayObj._[c]).length;
+            });
+
+            start.add(1, "days")
+        }
+
+        callback(null, year);
+        // ⬚ ▢ ▤ ▣ ⬛
+    });
+};