Do not register our Liquid tags if they are already defined

thewrittentab · Jun 29, 2021 · 61df4eb · 61df4eb
1 parent ff20775
commit 61df4eb
Showing 1 changed file with 14 additions and 9 deletions.
diff --git a/lib/theme_check/tags.rb b/lib/theme_check/tags.rb
@@ -169,14 +169,19 @@ class Javascript < Liquid::Raw; end
 
     class Stylesheet < Liquid::Raw; end
 
-    Liquid::Template.register_tag('form', Form)
-    Liquid::Template.register_tag('layout', Layout)
-    Liquid::Template.register_tag('render', Render)
-    Liquid::Template.register_tag('paginate', Paginate)
-    Liquid::Template.register_tag('section', Section)
-    Liquid::Template.register_tag('style', Style)
-    Liquid::Template.register_tag('schema', Schema)
-    Liquid::Template.register_tag('javascript', Javascript)
-    Liquid::Template.register_tag('stylesheet', Stylesheet)
+    def self.register_tag(name, klass)
+      return if Liquid::Template.tags[name]
+      Liquid::Template.register_tag(name, klass)
+    end
+
+    register_tag('form', Form)
+    register_tag('layout', Layout)
+    register_tag('render', Render)
+    register_tag('paginate', Paginate)
+    register_tag('section', Section)
+    register_tag('style', Style)
+    register_tag('schema', Schema)
+    register_tag('javascript', Javascript)
+    register_tag('stylesheet', Stylesheet)
   end
 end