Module: Mentor::OutputHelper

Included in:
Outputs
Defined in:
lib/helpers/output_helper.rb

Instance Method Summary collapse

Instance Method Details

#home_to_tilde(path) ⇒ Object 



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# File 'lib/helpers/output_helper.rb', line 5

def home_to_tilde(path)
  path.sub(ENV['HOME'], '~')
end

#indent_lines(*lines, indent: 2) ⇒ Object 



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# File 'lib/helpers/output_helper.rb', line 9

def indent_lines(*lines, indent: 2)
  lines.flatten!

  indent.downto(1).each do |number_of_spaces|
    if lines.all? { |line| line.size + indent * 2 <= terminal_width }
      return lines.map { |line| ' ' * number_of_spaces + line }
    end
  end

  lines
end

#lines_from_file ⇒ Object 



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# File 'lib/helpers/output_helper.rb', line 21

def lines_from_file
  return @lines_from_file if @lines_from_file
  file = File.new(Mentor.tp.path)
  @lines_from_file = file.map { |line| [file.lineno, line.chomp] }.to_h
end

#terminal_width ⇒ Object 



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# File 'lib/helpers/output_helper.rb', line 27

def terminal_width
  `tput cols`.to_i
end

#valid_var_name ⇒ Object 



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# File 'lib/helpers/output_helper.rb', line 31

def valid_var_name
  /(@@|@|\$)?[a-zA-Z][a-zA-Z_0-9]*/
end