Conditionally define ViewComponent::Base#format for Rails 7.1 only

Author: camertron

lib/view_component/base.rb

@@ -316,10 +316,12 @@ def view_cache_dependencies
       []
     end
 
-    # Rails expects us to define `format` on all renderables,
-    # but we do not know the `format` of a ViewComponent until runtime.
-    def format
-      nil
+    if Rails::VERSION::MAJOR == 7 && Rails::VERSION::MINOR == 1
+      # Rails expects us to define `format` on all renderables,
+      # but we do not know the `format` of a ViewComponent until runtime.
+      def format
+        nil
+      end
     end
 
     # The current request. Use sparingly as doing so introduces coupling that