logging

bin/dev.dart

@@ -1,4 +1,5 @@
 import 'dart:io';
+import 'package:angel/src/pretty_logging.dart';
 import 'package:angel/angel.dart';
 import 'package:angel_framework/angel_framework.dart';
 import 'package:angel_hot/angel_hot.dart';
@@ -9,13 +10,8 @@ main() async {
   var hot = new HotReloader(() async {
     var app = new Angel()..lazyParseBodies = true;
     await app.configure(configureServer);
-    app.logger = new Logger('angel')..onRecord.listen((rec) {
+    app.logger = new Logger('angel')
-      print(rec);
+      ..onRecord.listen(prettyLog);
-      if (rec.error != null) {
-        print(rec.error);
-        print(rec.stackTrace);
-      }
-    });
     return app;
   }, [
     new Directory('config'),

lib/src/pretty_logging.dart

@@ -0,0 +1,32 @@
+import 'package:console/console.dart';
+import 'package:logging/logging.dart';
+
+/// Prints the contents of a [LogRecord] with pretty colors.
+void prettyLog(LogRecord record) async {
+  var pen = new TextPen();
+  chooseLogColor(pen.reset(), record.level);
+  pen(record.toString());
+  
+  if (record.error != null)
+    pen.record.error.toString();
+  if (record.stackTrace != null)
+    pen.record.stackTrace.toString();
+  
+  pen();
+}
+
+/// Chooses a color based on the logger [level].
+void chooseLogColor(TextPen pen, Level level) {
+  if (level == Level.SHOUT)
+    pen.darkRed();
+  else if (level == Level.SEVERE)
+    pen.red();
+  else if (level == Level.WARNING)
+    pen.yellow();
+  else if (level == Level.INFO)
+    pen.magenta();
+  else if (level == Level.FINER)
+    pen.blue();
+  else if (level == Level.FINEST)
+    pen.darkBlue();
+}