fix(ios): use Result to propagate errors from onMainSync across dispatch boundary

mfazekas · mfazekas · commit c31b359e4a66 · 2026-04-09T13:32:22.000+02:00
diff --git a/ios/new/HybridRiveView.swift b/ios/new/HybridRiveView.swift
@@ -272,11 +272,13 @@ extension HybridRiveView {
         try work()
       }
     }
-    return try DispatchQueue.main.sync {
-      MainActor.assumeIsolated {
-        try work()
+    var result: Result<T, Error>!
+    DispatchQueue.main.sync {
+      result = MainActor.assumeIsolated {
+        Result { try work() }
       }
     }
+    return try result.get()
   }
 
   func logged(tag: String, note: String? = nil, _ fn: () throws -> Void) {

Original file line number	Diff line number	Diff line change
`@@ -272,11 +272,13 @@ extension HybridRiveView {`
`272`	`272`	`try work()`
`273`	`273`	`}`
`274`	`274`	`}`
`275`		`- return try DispatchQueue.main.sync {`
`276`		`- MainActor.assumeIsolated {`
`277`		`- try work()`
	`275`	`+ var result: Result<T, Error>!`
	`276`	`+ DispatchQueue.main.sync {`
	`277`	`+ result = MainActor.assumeIsolated {`
	`278`	`+ Result { try work() }`
`278`	`279`	`}`
`279`	`280`	`}`
	`281`	`+ return try result.get()`
`280`	`282`	`}`
`281`	`283`
`282`	`284`	`func logged(tag: String, note: String? = nil, _ fn: () throws -> Void) {`