cursor.rb in tty-cursor-0.5.0

- old
+ new

@@ -1,6 +1,7 @@
 # encoding: utf-8
+# frozen_string_literal: true
 
 module TTY
   # Terminal cursor movement ANSI codes
   module Cursor
     module_function
@@ -33,17 +34,17 @@
     end
 
     # Save current position
     # @api public
     def save
-      CSI + 's'
+      Gem.win_platform? ? CSI + 's' : ESC + '7'
     end
 
     # Restore cursor position
     # @api public
     def restore
-      CSI + 'u'
+      Gem.win_platform? ? CSI + 'u' : ESC + '8'
     end
 
     # Query cursor current position
     # @api public
     def current
@@ -163,13 +164,13 @@
     # @param [Symbol] :direction
     #   the direction to clear, default :up
     #
     # @api public
     def clear_lines(n, direction = :up)
-      n.times.reduce('') do |acc, i|
+      n.times.reduce([]) do |acc, i|
         dir = direction == :up ? up : down
         acc << clear_line + ((i == n - 1) ? '' : dir)
-      end
+      end.join
     end
     alias clear_rows clear_lines
 
     # Clear screen down from current position
     # @api public