Improve window data handling

Author: st0012

lib/debug/local.rb

@@ -231,17 +231,18 @@ def puts line = ""
       end
 
       def draw(data)
-        data = data[name] || "No content"
+        window_data = data[name]
+        return unless window_data
 
-        case data
+        case window_data
         when String
-          puts(data)
+          puts(window_data)
         when Array
-          data.each do |d|
+          window_data.each do |d|
             puts(d)
           end
         else
-          raise "unsupported top frame data type: #{data.class} (#{data})"
+          raise "unsupported window data type for window [#{name}]: #{data.class} (#{data})"
         end
       end
 

lib/debug/thread_client.rb

@@ -190,10 +190,9 @@ def << req
     def generate_tui_data(metadata)
       metadata.each_with_object({}) do |(tui_name, options), result|
         tui_method = "generate_tui_#{tui_name}"
+
         if respond_to?(tui_method)
           result[tui_name] = send(tui_method, options)
-        else
-          result[tui_name] = []
         end
       end
     end