Adding comment for clarity.

segment-integrations · Dec 21, 2023 · 34d5417 · 34d5417
1 parent f2e2df0
commit 34d5417
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Sources/SegmentFirebase/FirebaseDestination.swift b/Sources/SegmentFirebase/FirebaseDestination.swift
@@ -204,6 +204,10 @@ extension FirebaseDestination {
     func mapToStrings(_ mapDictionary: [String: Any?], finalize: (String, String) -> Void) {
 
         for (key, data) in mapDictionary {
+
+            // Since dictionary values can be Optional we have to unwrap them
+            // before encoding so that we don't encode them as "Optional(*)"
+            // Note: nil values are NOT encoded.
             if let d = data {
                 var dataString = d as? String ?? "\(d)"
                 let keyString = key.replacingOccurrences(of: " ", with: "_")