module GenerateColumnWidths

# File lib/generate-column-widths.rb, line 4
def generate_widths(new_columns,
                    total_grid_columns: 12,
                    existing_columns: 0,
                    min_column_span: 3,
                    max_column_span: 12)
  columns_in_row = new_columns + existing_columns
  span = (total_grid_columns / columns_in_row).floor

  if span < min_column_span
    span = min_column_span
  elsif span > max_column_span
    span = max_column_span
  end

  span
end