Class: Terminal::Join

Inherits:
Object
  • Object
show all
Defined in:
lib/terminal/join.rb,
lib/terminal/join/version.rb

Constant Summary collapse

VERSION = 
'1.0.1'

Class Method Summary collapse

Class Method Details

.horizontal(*strings, separator: nil, align: :center, &block) ⇒ Object 



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# File 'lib/terminal/join.rb', line 45

def self.horizontal(*strings, separator: nil, align: :center, &block)
  max_height = strings.flatten.map { _1.to_s.lines.size }.max
  separator = block.call max_height if block

  if separator.nil?
    strings.flatten
  else
    strings.flat_map { [_1, separator] }[0...-1]
  end
  .map { self.style _1.to_s, halign: align, height: max_height }
  .map { _1.lines.map(&:chomp) }
  .transpose.map(&:join).join("\n")
end

.style(string, *ansi, halign: :center, valign: :center, width: 0, height: 0, margin: 0) ⇒ Object 



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# File 'lib/terminal/join.rb', line 10

def self.style(string, *ansi, halign: :center, valign: :center, width: 0, height: 0, margin: 0)
  margin = [margin, margin] unless margin.is_a?(Array)
  widths = Paint.unpaint(string).lines.map { Unicode::DisplayWidth.of _1.chomp }
  max_width = [width, *widths].max
  pad_width = max_width - widths.max + margin[0] * 2
  pad_height = [(height - string.lines.size), 0].max + margin[1] * 2

  string
  .lines
  .map.with_index do |line, index|
    (' ' * pad_width)
    .insert(
      {
        left: margin[0],
        right: -1 - margin[0],
        center: pad_width / 2
      }[valign],
      Paint[line.chomp, *ansi] +
      Paint[' ' * (widths.max - widths[index]), *ansi || nil]
    )
  end
  .then do
    ([' ' * max_width] * pad_height)
    .insert(
      {
        top: margin[1],
        bottom: -1 - margin[1],
        center: pad_height / 2
      }[halign],
      *_1
    )
  end
  .join("\n")
end

.vertical(*strings, separator: nil, align: :center, &block) ⇒ Object 



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# File 'lib/terminal/join.rb', line 59

def self.vertical(*strings, separator: nil, align: :center, &block)
  Paint.unpaint(strings.flatten.join("\n"))
  .lines.map { Unicode::DisplayWidth.of _1 }.max => max_width
  separator = block.call max_width if block

  if separator.nil?
    strings.flatten
  else
    strings.flat_map { [_1, separator] }[0...-1]
  end
  .map { self.style _1.to_s, valign: align, width: max_width }
  .join("\n")
end