Module: Commandline::Output

Included in:
Docker::Error, Exercise::Instructions, Exercise::RenderMethods
Defined in:
lib/utils/commandline/output.rb

Instance Method Summary collapse

Instance Method Details

#error(text) ⇒ Object 



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# File 'lib/utils/commandline/output.rb', line 15

def error(text)
  prefix(text, '[ERROR] ').red
end

#ok(text) ⇒ Object 



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# File 'lib/utils/commandline/output.rb', line 11

def ok(text)
  prefix(text, '[OK] ').green
end

#output ⇒ Object 



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# File 'lib/utils/commandline/output.rb', line 3

def output
  @output ||= STDOUT
end

#prefix(text, prefix) ⇒ Object 



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# File 'lib/utils/commandline/output.rb', line 19

def prefix(text, prefix)
  lines = text.lines
  message = "#{prefix}#{lines[0].strip}\n"
  lines[1..-1].each_with_index do |line, index|
    line = line.strip.chomp
    line = line.rjust(line.length + prefix.size)

    message << (index.zero? ? line : line.prepend("\n"))
  end
  message
end

#say(msg) ⇒ Object 



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# File 'lib/utils/commandline/output.rb', line 7

def say(msg)
  output.puts msg unless ENV['SILENT']
end