lib/tty/progressbar.rb
def render
      return if done?
      if hide_cursor && @last_render_width == 0 && !(@current >= total)
        write(TTY::Cursor.hide)
      end

      if @multibar
        characters_in = @multibar.line_inset(self)
        update(inset: self.class.display_columns(characters_in))
      end

      formatted = @formatter.decorate(self, @format)
      @tokens.each do |token, val|
        formatted = formatted.gsub(":#{token}", val)
      end

      padded = padout(formatted)

      write(padded, true)

      @last_render_time  = Time.now
      @last_render_width = self.class.display_columns(formatted)
    end
def render
      return if done?
      if hide_cursor && @last_render_width == 0 && !(@current >= total)
        write(TTY::Cursor.hide)
      end

      if @multibar
        characters_in = @multibar.line_inset(self)
        update(inset: self.class.display_columns(characters_in))
      end

      formatted = @formatter.decorate(self, @format)
      @tokens.each do |token, val|
        formatted = formatted.gsub(":#{token}", val)
      end

      padded = padout(formatted)

      write(padded, true)

      @last_render_time  = Time.now
      @last_render_width = self.class.display_columns(formatted)
    end
Render progress to the output

 @api private