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Use proc to fallback to puts.

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This commit is contained in:
Markus Reiter 2016-10-02 08:32:25 +02:00
parent 5ee6df6d82
commit 429327cac8
1 changed files with 5 additions and 7 deletions
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12
Library/Homebrew/utils/puts_columns.rb
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@ -4,21 +4,19 @@ module Kernel
def puts_columns(*objects, gap_size: 2)
objects.flatten!
if objects.empty? || (respond_to?(:tty?) ? !tty? : !$stdout.tty?)
fallback = proc do
puts(*objects)
return
end
fallback.call if objects.empty?
fallback.call if respond_to?(:tty?) ? !tty? : !$stdout.tty?
console_width = Tty.width
object_lengths = objects.map { |obj| Tty.strip_ansi(obj.to_s).length }
cols = (console_width + gap_size) / (object_lengths.max + gap_size)
if cols < 2
puts(*objects)
return
end
fallback.call if cols < 2
rows = (objects.count + cols - 1) / cols
cols = (objects.count + rows - 1) / rows # avoid empty trailing columns