frame.rb in cli-ui-1.1.2

- old
+ new

@@ -173,11 +173,11 @@
         # ==== Options
         #
         # * +:color+ - The color of the prefix. Defaults to +Thread.current[:cliui_frame_color_override]+ or nil
         #
         def prefix(color: nil)
-          pfx = String.new
+          pfx = +''
           items = FrameStack.items
           items[0..-2].each do |item|
             pfx << CLI::UI.resolve_color(item).code << CLI::UI::Box::Heavy::VERT
           end
           if item = items.last
@@ -213,11 +213,11 @@
 
         def edge(text, color: raise, first: raise, right_text: nil)
           color = CLI::UI.resolve_color(color)
           text  = CLI::UI.resolve_text("{{#{color.name}:#{text}}}")
 
-          prefix = String.new
+          prefix = +''
           FrameStack.items.each do |item|
             prefix << CLI::UI.resolve_color(item).code << CLI::UI::Box::Heavy::VERT
           end
           prefix << color.code << first << (CLI::UI::Box::Heavy::HORZ * 2)
           text ||= ''
@@ -225,11 +225,11 @@
             prefix << ' ' << text << ' '
           end
 
           termwidth = CLI::UI::Terminal.width
 
-          suffix = String.new
+          suffix = +''
           if right_text
             suffix << ' ' << right_text << ' '
           end
 
           suffix_width = CLI::UI::ANSI.printing_width(suffix)
@@ -245,10 +245,10 @@
             # if prefix_end > termwidth
             # we *could* truncate it, but let's just let it overflow to the
             # next line and call it poor usage of this API.
           end
 
-          o = String.new
+          o = +''
 
           is_ci = ![0, '', nil].include?(ENV['CI'])
 
           # Jumping around the line can cause some unwanted flashes
           o << CLI::UI::ANSI.hide_cursor