slider.rb in tty-prompt-0.16.1

- old
+ new

@@ -38,12 +38,10 @@
         @active_color = options.fetch(:active_color) { @prompt.active_color }
         @help_color   = options.fetch(:help_color) { @prompt.help_color }
         @format       = options.fetch(:format) { FORMAT }
         @first_render = true
         @done         = false
-
-        @prompt.subscribe(self)
       end
 
       # Setup initial active position
       #
       # @return [Integer]
@@ -98,10 +96,12 @@
       # @apu public
       def call(question, &block)
         @question = question
         block.call(self) if block
         @active = initial
-        render
+        @prompt.subscribe(self) do
+          render
+        end
       end
 
       def keyleft(*)
         @active -= 1 if @active > 0
       end