Added origin LogEvent to OutputEvent, addresses simc/logger#133

Author: Bungeefan

lib/src/logger.dart

@@ -23,14 +23,16 @@ class LogEvent {
   final dynamic error;
   final StackTrace? stackTrace;
 
-  LogEvent(this.level, this.message, this.error, this.stackTrace);
+  LogEvent(this.level, this.message, [this.error, this.stackTrace]);
 }
 
 class OutputEvent {
-  final Level level;
   final List<String> lines;
+  final LogEvent origin;
+
+  Level get level => origin.level;
 
-  OutputEvent(this.level, this.lines);
+  OutputEvent(this.origin, this.lines);
 }
 
 typedef LogCallback = void Function(LogEvent event);
@@ -120,7 +122,7 @@ class Logger {
       var output = _printer.log(logEvent);
 
       if (output.isNotEmpty) {
-        var outputEvent = OutputEvent(level, output);
+        var outputEvent = OutputEvent(logEvent, output);
         // Issues with log output should NOT influence
         // the main software behavior.
         try {

test/outputs/memory_output_test.dart

@@ -5,9 +5,9 @@ void main() {
   test('Memory output buffer size is limited', () {
     var output = MemoryOutput(bufferSize: 2);
 
-    final event0 = OutputEvent(Level.info, []);
-    final event1 = OutputEvent(Level.info, []);
-    final event2 = OutputEvent(Level.info, []);
+    final event0 = OutputEvent(LogEvent(Level.info, null), []);
+    final event1 = OutputEvent(LogEvent(Level.info, null), []);
+    final event2 = OutputEvent(LogEvent(Level.info, null), []);
 
     output.output(event0);
     output.output(event1);

test/outputs/multi_output_test.dart

@@ -8,15 +8,15 @@ void main() {
 
     final multiOutput = MultiOutput([output1, output2]);
 
-    final event0 = OutputEvent(Level.info, []);
+    final event0 = OutputEvent(LogEvent(Level.info, null), []);
     multiOutput.output(event0);
 
     expect(output1.buffer.length, 1);
     expect(output2.buffer.length, 1);
     expect(output1.buffer.elementAt(0), equals(output2.buffer.elementAt(0)));
     expect(output1.buffer.elementAt(0), equals(event0));
 
-    final event1 = OutputEvent(Level.info, []);
+    final event1 = OutputEvent(LogEvent(Level.info, null), []);
     multiOutput.output(event1);
 
     expect(output1.buffer.length, 2);
@@ -29,11 +29,11 @@ void main() {
 
   test('passing null does not throw an exception', () {
     final output = MultiOutput(null);
-    output.output(OutputEvent(Level.info, []));
+    output.output(OutputEvent(LogEvent(Level.info, null), []));
   });
 
   test('passing null in the list does not throw an exception', () {
     final output = MultiOutput([null]);
-    output.output(OutputEvent(Level.info, []));
+    output.output(OutputEvent(LogEvent(Level.info, null), []));
   });
 }

test/outputs/stream_output_test.dart

@@ -1,5 +1,5 @@
-import 'package:test/test.dart';
 import 'package:logger/logger.dart';
+import 'package:test/test.dart';
 
 void main() {
   test('writes to a Stream', () {
@@ -9,19 +9,19 @@ void main() {
       expect(e, ['hi there']);
     });
 
-    out.output(OutputEvent(Level.debug, ['hi there']));
+    out.output(OutputEvent(LogEvent(Level.debug, null), ['hi there']));
   });
 
   test('respects listen', () {
     var out = StreamOutput();
 
-    out.output(OutputEvent(Level.debug, ['dropped']));
+    out.output(OutputEvent(LogEvent(Level.debug, null), ['dropped']));
 
     out.stream.listen((var e) {
       expect(e, ['hi there']);
     });
 
-    out.output(OutputEvent(Level.debug, ['hi there']));
+    out.output(OutputEvent(LogEvent(Level.debug, null), ['hi there']));
   });
 
   test('respects pause', () {
@@ -32,8 +32,8 @@ void main() {
     });
 
     sub.pause();
-    out.output(OutputEvent(Level.debug, ['dropped']));
+    out.output(OutputEvent(LogEvent(Level.debug, null), ['dropped']));
     sub.resume();
-    out.output(OutputEvent(Level.debug, ['hi there']));
+    out.output(OutputEvent(LogEvent(Level.debug, null), ['hi there']));
   });
 }