parser.rb in fusuma-2.0.0.pre2

- old
+ new

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-require_relative '../base.rb'
+require_relative '../base'
 
 module Fusuma
   module Plugin
     module Parsers
       # Parser change record and tag in event
@@ -11,28 +11,27 @@
         # Parse Event and convert Record and Tag
         # if `#parse_record` return nil, this method will return original event
         # @param event [Event]
         # @return [Event]
         def parse(event)
-          event.tap do |e|
-            next if e.tag != source
+          return event if event.tag != source
 
-            new_record = parse_record(e.record)
-            next unless new_record
+          new_record = parse_record(event.record)
+          return event if new_record.nil?
 
-            e.record = new_record
-            e.tag = tag
-          end
+          event.record = new_record
+          event.tag = tag
+          event
         end
 
         # Set source for tag from config.yml.
         # DEFAULT_SOURCE is defined in each Parser plugins.
         def source
           @source ||= config_params(:source) || self.class.const_get('DEFAULT_SOURCE')
         end
 
         def tag
-          self.class.name.split('::').last.underscore
+          @tag ||= self.class.name.split('::').last.underscore
         end
 
         # parse Record object
         # @param _record [Record]
         # @return [Record, nil]