Merge branch 'feature/fix-exdate-bug'

teambition · Jan 5, 2018 · 141beab · 141beab
2 parents 280b217 + a82cd3f
commit 141beab
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/Sources/ExclusionDate.swift b/Sources/ExclusionDate.swift
@@ -43,13 +43,15 @@ public struct ExclusionDate {
         self.component = component
     }
 
-    public func toExDateString() -> String {
+    public func toExDateString() -> String? {
         var exdateString = "EXDATE:"
         let dateStrings = dates.map { (date) -> String in
             return RRule.dateFormatter.string(from: date)
         }
         if dateStrings.count > 0 {
             exdateString += dateStrings.joined(separator: ",")
+        } else {
+            return nil
         }
 
         if String(exdateString.suffix(from: exdateString.characters.index(exdateString.endIndex, offsetBy: -1))) == "," {