basic_formatter for prod purpose

Gemfile

@@ -2,6 +2,7 @@ source 'https://rubygems.org'
 ruby '3.1.2'
 
 gem 'bootsnap', require: false
+gem 'dotenv-rails'
 gem 'importmap-rails'
 gem 'pagy'
 gem 'pg'
@@ -12,11 +13,11 @@ gem 'rails_semantic_logger'
 gem 'sprockets-rails'
 gem 'stimulus-rails'
 gem 'tailwindcss-rails'
+gem 'turbo-rails'
 
 group :development do
   gem 'amazing_print'
   gem 'debug'
-  gem 'dotenv-rails'
   gem 'error_highlight'
   gem 'htmlbeautifier'
   gem 'rails_live_reload'
@@ -28,5 +29,8 @@ group :development do
   gem 'rubocop-shopify'
   gem 'rubocop-thread_safety'
   gem 'ruby-lsp-rails'
-  gem 'turbo-rails'
+end
+
+group :production do
+  gem 'syslog_protocol'
 end

Gemfile.lock

@@ -269,6 +269,7 @@ GEM
       railties (>= 6.0.0)
     stringio (3.1.1)
     strscan (3.1.0)
+    syslog_protocol (0.9.2)
     tailwindcss-rails (2.6.1)
       railties (>= 7.0.0)
     tailwindcss-rails (2.6.1-aarch64-linux)
@@ -329,6 +330,7 @@ DEPENDENCIES
   ruby-lsp-rails
   sprockets-rails
   stimulus-rails
+  syslog_protocol
   tailwindcss-rails
   turbo-rails
 

app/javascript/application.js

@@ -1,3 +1,6 @@
+// Js Controllers
+import "controllers"
+
 // Turbo
 import "@hotwired/turbo-rails"
 Turbo.setProgressBarDelay(300)
@@ -6,9 +9,6 @@ Turbo.setProgressBarDelay(300)
 import Toastify from 'toastify-js'
 window.Toastify = Toastify
 
-// Js Controllers
-import "controllers"
-
 // Font Awesome
 import { far } from "@fortawesome/free-regular-svg-icons"
 import { fas } from "@fortawesome/free-solid-svg-icons"

app/javascript/controllers/application.js

@@ -1,5 +1,4 @@
 import { Application } from "@hotwired/stimulus"
-
 const application = Application.start()
 
 // Configure Stimulus development experience

lib/formatters/basic_formatter.rb

@@ -0,0 +1,82 @@
+# My Custom colorized formatter
+class BasicFormatter < SemanticLogger::Formatters::Color
+  ANSI_REVERSED_WARNING = "\e[0;30;43m".freeze
+  ANSI_REVERSED_ERROR = "\e[1;30;41m".freeze
+  ANSI_GRAY = "\e[90m".freeze
+  # Return the complete log level name in uppercase
+
+  def initialize
+    super(time_format: '%H:%M:%S',
+          color_map: ColorMap.new(
+            debug: ANSI_GRAY,
+            info: SemanticLogger::AnsiColors::GREEN,
+            warn: SemanticLogger::AnsiColors::YELLOW
+          ))
+    @time_format = nil if File.exist?(File.join(Rails.root, 'Procfile.dev'))
+  end
+
+  def time
+    "#{color}#{format_time(log.time)}#{color_map.clear}" if time_format
+  end
+
+  def message
+    return unless log.message
+
+    prefix = "#{color}--#{color_map.clear}"
+
+    case log.level
+    when :info
+      message = log.message
+      message = message&.rstrip if log.name == 'Rails' && message.starts_with?('Completed')
+      if log.name == 'Rails' && message.starts_with?('Started')
+        message = message.split('for')[0]
+        puts '' if Rails.env.development?
+      end
+      if log.name == 'Rails' || log.name == 'ActionView::Base'
+        "#{prefix} #{ANSI_GRAY}#{message}#{color_map.clear}"
+      else
+        "#{prefix} #{SemanticLogger::AnsiColors::WHITE}#{message}#{color_map.clear}"
+      end
+    when :warn
+      "#{prefix} #{ANSI_REVERSED_WARNING}#{log.message}#{color_map.clear}"
+    when :error, :fatal
+      "#{prefix} #{ANSI_REVERSED_ERROR}#{log.message}#{color_map.clear}"
+    else
+      "#{prefix} #{color}#{log.message}#{color_map.clear}"
+    end
+  end
+
+  def tags; end
+
+  def process_info
+    fname = file_name_and_line
+    "#{color}[#{fname}]#{color_map.clear}" if fname
+  end
+
+  def exception
+    return unless log.exception
+
+    root_path = Rails.root.to_s
+    backtrace = log.exception.backtrace.select do |line|
+      line.starts_with?(root_path)
+    end
+
+    if backtrace.count.positive?
+      "-- #{ANSI_REVERSED_ERROR}#{log.exception.class}#{color_map.clear} #{color}#{log.exception.message}#{color_map.clear}#{SemanticLogger::AnsiColors::WHITE}\n\t#{backtrace.join("\n\t")}#{color_map.clear}\n\n"
+    else
+      "-- #{ANSI_REVERSED_ERROR}#{log.exception.class}: #{log.exception.message}#{color_map.clear}\n\n"
+    end
+  end
+
+  def call(log, logger)
+    self.color = color_map[log.level]
+    self.log = log
+    self.logger = logger
+
+    if @time_format
+      [time, level, process_info, tags, named_tags, duration, name, message, payload, exception].compact.join(' ')
+    else
+      [tags, named_tags, duration, name, message, payload, exception].compact.join(' ')
+    end
+  end
+end