Module: Mdlint::TextWidth

Defined in:
lib/mdlint/text_width.rb,
sig/internal.rbs

Class Method Summary collapse

Class Method Details

.measure(text) ⇒ Integer

Parameters:

  • text (Object)

Returns:

  • (Integer) 


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# File 'lib/mdlint/text_width.rb', line 6

def measure(text)
  text.to_s.each_codepoint.sum { |codepoint| wide?(codepoint) ? 2 : 1 }
end

.take(text, maximum) ⇒ String

Parameters:

  • text (Object)
  • maximum (Object)

Returns:

  • (String) 


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# File 'lib/mdlint/text_width.rb', line 10

def take(text, maximum)
  width = 0
  result = +""
  text.each_char do |character|
    character_width = measure(character)
    break if width + character_width > maximum

    result << character
    width += character_width
  end
  result
end