Updated

EonaCat.Logger/EonaCatCoreLogger/JsonFileLogger.cs

@@ -120,6 +120,14 @@ namespace EonaCat.Logger.EonaCatCoreLogger
             catch (OperationCanceledException) { }
         }
 
+        public void Flush()
+        {
+            while (_queue.Count > 0)
+            {
+                Thread.Sleep(100);
+            }
+        }
+
         public void Dispose()
         {
             _cts.Cancel();

EonaCat.Logger/EonaCatCoreLogger/LogContext.cs

@@ -7,8 +7,17 @@ namespace EonaCat.Logger.EonaCatCoreLogger
 {
     internal sealed class LoggerScopedContext
     {
-        private static readonly AsyncLocal<Stack<Dictionary<string, string>>> _scopes
-            = new();
+        private static readonly AsyncLocal<Stack<Dictionary<string, string>>> _scopes = new();
+
+        // Ensure there is always a scope to write into
+        private void EnsureScope()
+        {
+            _scopes.Value ??= new Stack<Dictionary<string, string>>();
+            if (_scopes.Value.Count == 0)
+            {
+                _scopes.Value.Push(new Dictionary<string, string>());
+            }
+        }
 
         public IDisposable BeginScope<TState>(TState state)
         {
@@ -19,57 +28,41 @@ namespace EonaCat.Logger.EonaCatCoreLogger
 
         public void Set(string key, string value)
         {
-            if (_scopes.Value == null || _scopes.Value.Count == 0)
-            {
-                return;
-            }
-
+            EnsureScope();
             _scopes.Value.Peek()[key] = value;
         }
 
         public string Get(string key)
         {
             if (_scopes.Value == null)
-            {
                 return null;
-            }
 
             foreach (var scope in _scopes.Value)
             {
                 if (scope.TryGetValue(key, out var value))
-                {
                     return value;
             }
-            }
 
             return null;
         }
 
         public IReadOnlyDictionary<string, string> GetAll()
         {
+            EnsureScope();
+
             var result = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
-
-            if (_scopes.Value == null)
-            {
-                return result;
-            }
-
-            // Iterate from top of stack to bottom
             foreach (var scope in _scopes.Value)
             {
                 foreach (var kv in scope)
                 {
                     if (!result.ContainsKey(kv.Key))
-                    {
                         result[kv.Key] = kv.Value;
                 }
             }
-            }
 
             return result;
         }
 
-
         public void Clear()
         {
             _scopes.Value?.Clear();

Testers/EonaCat.Logger.Test.Web/Program.cs

@@ -109,7 +109,7 @@
             void LoggerSettings_OnLog(EonaCatLogMessage message)
             {
                 Console.ForegroundColor = ConsoleColor.Yellow;
-                Console.WriteLine($"LogCounter: {++onLogCounter} {message}");
+                //Console.WriteLine($"LogCounter: {++onLogCounter} {message}");
                 Console.ForegroundColor = defaultColor;
             }