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88 lines
2.6 KiB
88 lines
2.6 KiB
# Opinioned Rails custom formatter
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class BasicFormatter < SemanticLogger::Formatters::Color
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NAME_MAX_SIZE = 25
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CONTENT_PREFIX = ' '.freeze
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ANSI_DEBUG = "\e[90m".freeze
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ANSI_INFO = SemanticLogger::AnsiColors::GREEN
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ANSI_WARN = SemanticLogger::AnsiColors::YELLOW
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ANSI_ERROR = "\e[91m".freeze
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ANSI_NEUTRAL_INFO = SemanticLogger::AnsiColors::WHITE
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ANSI_REVERSED_WARNING = "\e[0;30;43m".freeze
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ANSI_REVERSED_ERROR = "\e[1;30;41m".freeze
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ANSI_REVERSED_FATAL = "\e[1;30;41m".freeze
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CONTENT_COLOR_MAP = ColorMap.new(
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debug: ANSI_DEBUG,
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info: ANSI_NEUTRAL_INFO,
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warn: ANSI_REVERSED_WARNING,
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error: ANSI_REVERSED_ERROR,
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fatal: ANSI_REVERSED_FATAL
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)
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EXCLUDE_LAMBDA = lambda { |log|
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if log.name == 'ActionView::Base'
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!log.message.starts_with?(' Rendering')
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elsif log.name == 'Rails' && !log.message.nil?
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log.message.exclude?('Started GET "/rails/live/reload')
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else
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true
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end
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}
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def initialize
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super(color_map: ColorMap.new(
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debug: ANSI_DEBUG,
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info: ANSI_INFO,
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warn: ANSI_WARN,
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error: ANSI_ERROR,
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fatal: ANSI_ERROR
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))
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end
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def message
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return unless log.message
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message = log.message
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if log.name == 'Rails' && message.starts_with?('Completed')
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message.rstrip!
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message += "\n" unless message.starts_with?('Completed 5')
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end
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"#{CONTENT_PREFIX}#{CONTENT_COLOR_MAP[log.level]}#{message}#{color_map.clear}"
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end
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def level
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level = log.level == :info ? ' ' : log.level.to_s.chr.upcase
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"#{color}╣#{level}╠#{color_map.clear}"
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end
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def name
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"#{ANSI_DEBUG}#{log.name.truncate(NAME_MAX_SIZE).center(NAME_MAX_SIZE)}#{color_map.clear}"
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end
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def exception # rubocop:disable Metrics/AbcSize
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return unless log.exception
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root_path = Rails.root.to_s
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stack = log.exception.backtrace.select { |line| line.starts_with?(root_path) }
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stack = stack.map { |line| line.delete_prefix("#{root_path}/") }
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"#{CONTENT_PREFIX}#{ANSI_REVERSED_ERROR}#{log.exception.class}#{color_map.clear}: #{color}#{log.exception.message}#{color_map.clear}#{backtrace(stack)}" # rubocop:disable Layout/LineLength
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end
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def call(log, logger)
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self.color = color_map[log.level]
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self.log = log
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self.logger = logger
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[name, level, tags, named_tags, duration, message, payload, exception].compact.join(' ')
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end
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private
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def backtrace(stack)
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nil unless stack.count.positive?
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prefix = [name, level, tags, named_tags, duration, message, payload, CONTENT_PREFIX].compact.join(' ')
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"\n#{prefix}#{ANSI_ERROR}↳ #{stack.join("\n#{prefix}#{ANSI_ERROR}↳ ")}#{color_map.clear}"
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end
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end
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