traits.rb in infoboxer-0.4.0

- old
+ new

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 module Infoboxer
   class MediaWiki
     # DSL for defining "traits" for some site.
     #
     # More docs (and possible refactoring) to follow.
@@ -55,11 +57,11 @@
         #
         # Again, you can look at current
         # [English Wikipedia traits](https://github.com/molybdenum-99/infoboxer/blob/master/lib/infoboxer/definitions/en.wikipedia.org.rb)
         # for example implementation.
         def for(domain, &block)
-          Traits.domains[domain].tap { |c| c && c.instance_eval(&block) } ||
+          Traits.domains[domain]&.instance_eval(&block) ||
             Class.new(self, &block).domain(domain)
         end
 
         # @private
         alias_method :default, :new
@@ -112,9 +114,10 @@
           end
       end
 
       def ns_aliases(base)
         return [base] if @site_info.empty?
+
         main = @site_info['namespaces'].values.detect { |n| n['canonical'] == base }
         [base, main['*']] +
           @site_info['namespacealiases']
           .select { |a| a['id'] == main['id'] }.flat_map { |n| n['*'] }
           .compact.uniq