Module: Terminal::Join

Defined in:
lib/terminal/join.rb,
lib/terminal/join/version.rb

Constant Summary collapse

VERSION = 
'1.0.3'

Class Method Summary collapse

Class Method Details

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



48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/terminal/join.rb', line 48

def 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 { 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 



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
 
# File 'lib/terminal/join.rb', line 12

def 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 }
  widths = [0] if widths.empty?
  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] || 0)), *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 



62
63
64
65
66
67
68
69
70
71
72
73
74
 
# File 'lib/terminal/join.rb', line 62

def 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 { style _1.to_s, valign: align, width: max_width }
  .join("\n")
end