Fix retain loop for enrichment plugin closure. (#262)

segmentio · Oct 26, 2023 · d473ab9 · d473ab9
1 parent e613e09
commit d473ab9
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/Sources/Segment/Plugins.swift b/Sources/Segment/Plugins.swift
@@ -68,7 +68,7 @@ internal protocol PlatformPlugin: Plugin { }
 public typealias EnrichmentClosure = (_ event: RawEvent?) -> RawEvent?
 public class ClosureEnrichment: Plugin {
     public var type: PluginType = .enrichment
-    public var analytics: Analytics? = nil
+    public weak var analytics: Analytics? = nil
 
     internal let closure: EnrichmentClosure
 

diff --git a/Tests/Segment-Tests/MemoryLeak_Tests.swift b/Tests/Segment-Tests/MemoryLeak_Tests.swift
@@ -45,6 +45,11 @@ final class MemoryLeak_Tests: XCTestCase {
         let macLifecycle = analytics.find(pluginType: macOSLifecycleEvents.self)!
         let macMonitor = analytics.find(pluginType: macOSLifecycleMonitor.self)!
         #endif
+
+        // test that enrichment closure isn't leaked.  was previously a retain loop.
+        analytics.add { event in
+            return event
+        }
 
         analytics.remove(plugin: startupQueue)
         analytics.remove(plugin: segmentDest)