lib/textbringer/keymap.rb in textbringer-0.2.7 vs lib/textbringer/keymap.rb in textbringer-0.2.8

@@ -29,10 +29,15 @@
         raise ArgumentError, "Empty key"
       when 1
         @map[key_sequence.first]
       else
         k, *ks = key_sequence
-        @map[k]&.lookup(ks)
+        km = @map[k]
+        if km.is_a?(Keymap)
+          km.lookup(ks)
+        else
+          nil
+        end
       end
     end
 
     def each(prefixes = [], &block)
       @map.each do |key, val|