drawRails

config/environments/development.rb

@@ -81,12 +81,13 @@ Rails.application.configure do # rubocop:disable Metrics/BlockLength
   config.rails_semantic_logger.rendered   = true
   config.rails_semantic_logger.add_file_appender = false
 
-  # config.semantic_logger.add_appender(io: $stdout,
-  #                                     formatter: BasicFormatter.new,
-  #                                     filter: BasicFormatter::EXCLUDE_LAMBDA)
-
   require Rails.root.join('lib', 'formatters', 'basic_formatter')
   require Rails.root.join('lib', 'formatters', 'ansi_formatter')
+
   config.semantic_logger.add_appender(io: $stdout,
                                       formatter: AnsiFormatter.new)
+
+  # config.semantic_logger.add_appender(io: $stdout,
+  #                                     formatter: BasicFormatter.new,
+  #                                     filter: BasicFormatter::EXCLUDE_LAMBDA)
 end

lib/formatters/ansi_formatter.rb

@@ -33,7 +33,7 @@ class AnsiFormatter < SemanticLogger::Formatters::Color
     self.logger = logger
     self.color = color_map[log.level]
     wrap_length = compute_useful_length
-    wrap_level(level, wrap_length, message, payload, exception)
+    wrap_level(wrap_length, message, payload, exception)
   end
 
   def origin
@@ -59,6 +59,11 @@ class AnsiFormatter < SemanticLogger::Formatters::Color
 
   private
 
+  def colorize(text, tint = color)    = "#{tint}#{text}#{AnsiColors::CLEAR}"
+  def build_prefix                    = "#{origin} #{colorize(draw_rails(level_char))}  "
+  def build_continuation              = "#{origin} #{colorize(draw_rails('┆'))}  "
+  def draw_rails(char)                = "╣#{char}╠"
+
   def compute_useful_length
     IO.console.winsize[1] - FOREMAN_PREFIX_LENGTH
   rescue StandardError
@@ -72,15 +77,18 @@ class AnsiFormatter < SemanticLogger::Formatters::Color
     backtrace.compact.join("\n")
   end
 
-  def colorize(text, tint = color)
-    "#{tint}#{text}#{AnsiColors::CLEAR}"
+  def level_char
+    case log.level
+    when :info, :debug then ' '
+    else log.level.to_s.chr.upcase
+    end
   end
 
-  def wrap_level(level, length, *items)
-    prefix = "#{origin} #{colorize('>')} "
-    continuation = "#{origin} #{colorize('#')} "
+  def wrap_level(length, *items)
+    prefix = build_prefix
+    continuation = build_continuation
     items.map do |item|
       AnsiWrapper.wrap(item, length, prefix, continuation)
-    end.compact.join("\n") # FIXME: previously was: join(' ')
+    end.compact.join("\n")
   end
 end