visible_length(prefix)

Gemfile

@@ -28,5 +28,4 @@ group :development do
   gem 'rubocop-thread_safety'
   gem 'ruby-lsp-rails'
   gem 'turbo-rails'
-  gem 'web-console'
 end

Gemfile.lock

@@ -79,7 +79,6 @@ GEM
     ast (2.4.2)
     base64 (0.2.0)
     bigdecimal (3.1.8)
-    bindex (0.8.1)
     bootsnap (1.18.3)
       msgpack (~> 1.2)
     builder (3.2.4)
@@ -291,11 +290,6 @@ GEM
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.5.0)
-    web-console (4.2.1)
-      actionview (>= 6.0.0)
-      activemodel (>= 6.0.0)
-      bindex (>= 0.4.0)
-      railties (>= 6.0.0)
     webrick (1.8.1)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
@@ -336,7 +330,6 @@ DEPENDENCIES
   stimulus-rails
   tailwindcss-rails
   turbo-rails
-  web-console
 
 RUBY VERSION
    ruby 3.1.2p20

lib/formatters/ansi_formatter.rb

@@ -5,14 +5,16 @@ require 'io/console'
 require 'amazing_print'
 require 'json'
 
+# wraps meanwhile takes care of ansi colors
 class AnsiFormatter < SemanticLogger::Formatters::Color
   include AnsiColors
 
-  ANSI_DEBUG = TEXT_GRAY_400
-  ANSI_INFO = TEXT_GRAY_100
-  ANSI_WARN = BG_YELLOW + TEXT_BLACK
-  ANSI_ERROR = BG_RED + TEXT_BLACK
-  ANSI_FATAL = DARK_BG_RED + TEXT_BLACK
+  ANSI_DEBUG = CLEAR + TEXT_GRAY_400
+  ANSI_INFO = CLEAR + TEXT_GRAY_100
+  ANSI_WARN = CLEAR + BG_YELLOW + TEXT_BLACK
+  ANSI_ERROR = CLEAR + BG_RED + TEXT_WHITE
+  ANSI_FATAL = CLEAR + BG_MAGENTA + BOLD + TEXT_WHITE
+  NAME_MAX_SIZE = 20
 
   def initialize
     super(color_map: ColorMap.new(
@@ -24,12 +26,6 @@ class AnsiFormatter < SemanticLogger::Formatters::Color
     ))
   end
 
-  def message
-    return unless log.message
-
-    colorize(log.message, color_map[log.level])
-  end
-
   def call(log, logger)
     self.log = log
     self.logger = logger
@@ -37,15 +33,43 @@ class AnsiFormatter < SemanticLogger::Formatters::Color
     wrap_level(level, message, payload, exception)
   end
 
+  def origin
+    origin = log.name.truncate(NAME_MAX_SIZE).center(NAME_MAX_SIZE)
+    colorize(origin, AnsiColors::TEXT_CYAN)
+  end
+
+  def message
+    return unless log.message
+
+    colorize(log.message)
+  end
+
+  def exception
+    return unless log.exception
+
+    clazz = "#{log.exception.class}\n"
+    message = log.exception.message.chomp('')
+    backtrace = clean_backtrace(log.exception.backtrace)
+
+    "#{colorize(clazz, ANSI_FATAL)}#{colorize(message, ANSI_ERROR)}#{backtrace}"
+  end
+
   private
 
-  def colorize(text, color)
-    "#{color}#{text}#{color_map.clear}"
+  def clean_backtrace(backtrace)
+    root_path = Rails.root.to_s
+    backtrace = backtrace.select { |line| line.starts_with?(root_path) }
+    backtrace = backtrace.map { |line| line.delete_prefix("#{root_path}/") }
+    backtrace.compact.join("\n")
+  end
+
+  def colorize(text, tint = color)
+    "#{tint}#{text}#{AnsiColors::CLEAR}"
   end
 
   def wrap_level(level, *items)
-    prefix = " #{colorize('>', color)} "
-    continuation = " #{colorize('#', color)} "
+    prefix = "#{origin} #{colorize('>')} "
+    continuation = "#{origin} #{colorize('#')} "
     items.map do |item|
       AnsiWrapper.wrap(item, 100, prefix, continuation)
     end.compact.join("\n") # FIXME: previously was: join(' ')

lib/formatters/ansi_wrapper.rb

@@ -5,14 +5,14 @@ class AnsiWrapper
   ANSI_RESET = "\e[0m".freeze
 
   def self.wrap(text, length, prefix = '', continuation = prefix)
-    if prefix.length != continuation.length
-      raise "continuation <#{continuation}> should have the same length as prefix <#{prefix}>"
+    if visible_length(prefix) != visible_length(continuation)
+      raise "continuation <#{continuation.inspect}> should have the same length as prefix <#{prefix.inspect}>"
     end
     return unless text
 
     text = text.gsub("\t", ' ' * TAB_TO_SPACES)
 
-    lines = split_text_to_lines(text, length - prefix.length)
+    lines = split_text_to_lines(text, length - visible_length(prefix))
     lines = inject_continuation_and_ansi_colors_to_lines(lines, prefix, continuation)
     lines.join("\n")
   end