class Importmap::Commands

def puts_table(array)
  column_sizes = array.reduce([]) do |lengths, row|
    row.each_with_index.map{ |iterand, index| [lengths[index] || 0, iterand.to_s.length].max }
  end
  divider = "|" + (column_sizes.map { |s| "-" * (s + 2) }.join('|')) + '|'
  array.each_with_index do |row, row_number|
    row = row.fill(nil, row.size..(column_sizes.size - 1))
    row = row.each_with_index.map { |v, i| v.to_s + " " * (column_sizes[i] - v.to_s.length) }
    puts "| " + row.join(" | ") + " |"
    puts divider if row_number == 0
  end
end