empty end date handling fixed

lib/dateArray.js

@@ -218,14 +218,25 @@ function wrapper(_epochSpan) {
     var start = parseDate(data["opening_day_from"]);
     var end = parseDate(data["opening_day_to"]);
 
-    if(!start || !end) {
+    if(!start) {
       return [epochSpan];
     }
 
-    var newYear = (end[1] < start[1])?1:0;
+    var startDate, endDate;
 
-    var startDate = new Date(startYear, start[1] - 1, start[0]);
-    var endDate = new Date(startYear + newYear, end[1] - 1, end[0] + 1);
+    if(!end) {
+      startDate = new Date(startYear, start[1] - 1, start[0]);
+      endDate = new Date(startYear + 2, start[1] - 1, start[0]);
+    }
+
+    else {
+      var newYear = 0;
+      if(end[1] < start[1]) newYear = 1;
+      else if(end[1] == start[1] && end[0] < start[0]) newYear = 1;
+
+      startDate = new Date(startYear, start[1] - 1, start[0]);
+      endDate = new Date(startYear + newYear, end[1] - 1, end[0] + 1);
+    }
 
     if(endDate < epochSpan[0]) {
       startDate = new Date(startYear + 1, start[1] - 1, start[0]);