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54 lines
1.0 KiB
54 lines
1.0 KiB
require 'active_support/subscriber'
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module Docs
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class Subscriber < ActiveSupport::Subscriber
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cattr_accessor :namespace
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def self.subscribe_to(notifier)
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attach_to(namespace, new, notifier)
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end
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private
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delegate :puts, :print, :tty?, to: :$stdout
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def log(msg)
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puts "\r" + justify(msg)
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end
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def format_url(url)
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url.to_s.gsub %r{https?://}, ''
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end
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def format_path(path)
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path.to_s.gsub File.join(File.expand_path('.'), ''), ''
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end
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def justify(str)
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return str unless terminal_width
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max_length = if tag = str.slice!(/ \[.+\]\z/)
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terminal_width - tag.length
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else
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terminal_width
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end
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str.truncate(max_length).ljust(max_length) << tag.to_s
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end
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def terminal_width
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return @terminal_width if defined? @terminal_width
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@terminal_width = if !tty?
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nil
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elsif ENV['COLUMNS']
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ENV['COLUMNS'].to_i
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else
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`stty size`.scan(/\d+/).last.to_i
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end
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rescue
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@terminal_width = nil
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end
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end
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end
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