Class: Sangi::TerminalWidthWarning

Inherits:
Object
  • Object
show all
Defined in:
lib/sangi/terminal_width_warning.rb

Instance Method Summary collapse

Constructor Details

#initialize(output:) ⇒ TerminalWidthWarning

Returns a new instance of TerminalWidthWarning.



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# File 'lib/sangi/terminal_width_warning.rb', line 5

def initialize(output:)
  @output = output
end

Instance Method Details

#message(steps) ⇒ Object 



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# File 'lib/sangi/terminal_width_warning.rb', line 9

def message(steps)
  width = terminal_width
  return nil if width.nil? || steps.empty?

  required = required_width(steps)
  return nil if required <= width

  "warning: terminal width is #{width}, but this board needs about #{required} columns; output may wrap."
end

#warn_once(steps, error_output:) ⇒ Object 



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# File 'lib/sangi/terminal_width_warning.rb', line 19

def warn_once(steps, error_output:)
  warning = message(steps)
  error_output.puts warning if warning
end