replace forwarders with a Component class that is not a full Logger

src/logger.cr

@@ -1,6 +1,7 @@
+require "logger/component"
+require "logger/emitter"
 require "logger/entry"
 require "logger/filter"
-require "logger/emitter"
 require "logger/severity"
 
 class Logger
@@ -31,6 +32,10 @@ class Logger
         log Entry.new(message, Severity::{{ level }}, component, time, line_number, filename)
       end
     {% end %}
+
+    def get(component)
+      Component.new(component.to_s, self)
+    end
   end
 
   include Base
@@ -46,10 +51,6 @@ class Logger
   class_property filter : FilterType?
   class_property emitter : EmitterType? = IOEmitter.new
 
-  def self.get(component)
-    Logger.new(component.to_s, nil, Forwarder.new(self))
-  end
-
   {% for level in Severity.constants %}
     {{ level }} = Severity::{{ level }}
   {% end %}

src/logger/component.cr

@@ -0,0 +1,21 @@
+require "./severity"
+
+class Logger
+  class Component
+    getter logger : Base
+    getter name : String
+
+    def initialize(@name, @logger)
+    end
+
+    {% for level in Severity.constants %}
+      def {{ level.downcase.id }}(*, time = Time.now, line_number = __LINE__, filename = __FILE__, &message : -> String)
+        @logger.log Entry.new(message, Severity::{{ level }}, name, time, line_number, filename)
+      end
+
+      def {{ level.downcase.id }}(message, *, time = Time.now, line_number = __LINE__, filename = __FILE__)
+        @logger.log Entry.new(message, Severity::{{ level }}, name, time, line_number, filename)
+      end
+    {% end %}
+  end
+end

src/logger/emitter.cr

@@ -21,17 +21,4 @@ class Logger
       @formatter.call(@io, entry)
     end
   end
-
-  class Forwarder
-    include Emitter
-
-    getter dest : Base
-
-    def initialize(@dest)
-    end
-
-    def call(entry : Entry)
-      dest.log(entry)
-    end
-  end
 end