From cf33276e647e83fdadf3606cd512611a6f58d404 Mon Sep 17 00:00:00 2001
From: Leo Mehlig <leo@leomehlig.com>
Date: Wed, 25 Sep 2024 12:08:20 +0200
Subject: [PATCH] Fix crash in withCheckedContinuation on iOS 18.0 (#46)

---
 Sources/ConfigCat/ConfigCatClient.swift |  3 ++-
 Sources/ConfigCat/Extensions.swift      | 18 +++++++++---------
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/Sources/ConfigCat/ConfigCatClient.swift b/Sources/ConfigCat/ConfigCatClient.swift
index 98f3ed3..c7f12a0 100755
--- a/Sources/ConfigCat/ConfigCatClient.swift
+++ b/Sources/ConfigCat/ConfigCatClient.swift
@@ -351,7 +351,8 @@ public final class ConfigCatClient: NSObject, ConfigCatClientProtocol {
     @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
     @discardableResult
     public func waitForReady() async -> ClientReadyState {
-        await withCheckedContinuation { continuation in
+        // withCheckedContinuation sometimes crashes on iOS 18.0. See https://github.com/RevenueCat/purchases-ios/pull/4286
+        await withUnsafeContinuation { continuation in
             guard let configService = self.configService else {
                 continuation.resume(returning: .hasLocalOverrideFlagDataOnly)
                 return
diff --git a/Sources/ConfigCat/Extensions.swift b/Sources/ConfigCat/Extensions.swift
index 40587fb..587ef63 100644
--- a/Sources/ConfigCat/Extensions.swift
+++ b/Sources/ConfigCat/Extensions.swift
@@ -62,7 +62,7 @@ extension ConfigCatClient {
     #if compiler(>=5.5) && canImport(_Concurrency)
     @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
     public func getValue<Value>(for key: String, defaultValue: Value, user: ConfigCatUser? = nil) async -> Value {
-        await withCheckedContinuation { continuation in
+        await withUnsafeContinuation { continuation in
             getValue(for: key, defaultValue: defaultValue, user: user) { value in
                 continuation.resume(returning: value)
             }
@@ -71,7 +71,7 @@ extension ConfigCatClient {
     
     @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
     public func getAnyValue(for key: String, defaultValue: Any?, user: ConfigCatUser? = nil) async -> Any? {
-        await withCheckedContinuation { continuation in
+        await withUnsafeContinuation { continuation in
             getValue(for: key, defaultValue: defaultValue, user: user) { value in
                 continuation.resume(returning: value)
             }
@@ -80,7 +80,7 @@ extension ConfigCatClient {
 
     @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
     public func getValueDetails<Value>(for key: String, defaultValue: Value, user: ConfigCatUser? = nil) async -> TypedEvaluationDetails<Value> {
-        await withCheckedContinuation { continuation in
+        await withUnsafeContinuation { continuation in
             getValueDetails(for: key, defaultValue: defaultValue, user: user) { details in
                 continuation.resume(returning: details)
             }
@@ -89,7 +89,7 @@ extension ConfigCatClient {
     
     @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
     public func getAnyValueDetails(for key: String, defaultValue: Any?, user: ConfigCatUser? = nil) async -> TypedEvaluationDetails<Any?> {
-        await withCheckedContinuation { continuation in
+        await withUnsafeContinuation { continuation in
             getValueDetails(for: key, defaultValue: defaultValue, user: user) { details in
                 continuation.resume(returning: details)
             }
@@ -98,7 +98,7 @@ extension ConfigCatClient {
 
     @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
     public func getAllValueDetails(user: ConfigCatUser? = nil) async -> [EvaluationDetails] {
-        await withCheckedContinuation { continuation in
+        await withUnsafeContinuation { continuation in
             getAllValueDetails(user: user) { details in
                 continuation.resume(returning: details)
             }
@@ -107,7 +107,7 @@ extension ConfigCatClient {
 
     @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
     public func getAllKeys() async -> [String] {
-        await withCheckedContinuation { continuation in
+        await withUnsafeContinuation { continuation in
             getAllKeys { keys in
                 continuation.resume(returning: keys)
             }
@@ -116,7 +116,7 @@ extension ConfigCatClient {
 
     @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
     public func getKeyAndValue(for variationId: String) async -> KeyValue? {
-        await withCheckedContinuation { continuation in
+        await withUnsafeContinuation { continuation in
             getKeyAndValue(for: variationId) { value in
                 continuation.resume(returning: value)
             }
@@ -125,7 +125,7 @@ extension ConfigCatClient {
 
     @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
     public func getAllValues(user: ConfigCatUser? = nil) async -> [String: Any] {
-        await withCheckedContinuation { continuation in
+        await withUnsafeContinuation { continuation in
             getAllValues(user: user) { values in
                 continuation.resume(returning: values)
             }
@@ -135,7 +135,7 @@ extension ConfigCatClient {
     @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
     @discardableResult
     public func forceRefresh() async -> RefreshResult {
-        await withCheckedContinuation { continuation in
+        await withUnsafeContinuation { continuation in
             forceRefresh { result in
                 continuation.resume(returning: result)
             }