Preserve the calling order when returning data

duckduckgo · Nov 5, 2024 · 19d7203 · 19d7203
1 parent 5ada9b5
commit 19d7203
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/...owserServicesKit/ContentBlocking/AdClickAttribution/AdClickAttributionRulesProvider.swift b/...owserServicesKit/ContentBlocking/AdClickAttribution/AdClickAttributionRulesProvider.swift
@@ -155,7 +155,9 @@ public class AdClickAttributionRulesProvider: AdClickAttributionRulesProviding {
         // This is optimization: in case multiple tabs request same attribution at the same time, we will respond quickly.
         var matchingTasks = tasks.filter { $0 == attributionTask }
         tasks.removeAll(where: { $0 == attributionTask })
-        matchingTasks.append(attributionTask)
+
+        // Preserve order in which rules were requested
+        matchingTasks.insert(attributionTask, at: 0)
 
         Logger.contentBlocking.debug("Returning attribution rules for vendor  \(attributionTask.vendor) to \(matchingTasks.count, privacy: .public) caller(s)")