[v4] Remove unnecessary #format definitions, which returned nil

docs/CHANGELOG.md

@@ -52,6 +52,10 @@ nav_order: 5
 
     *Stephen Nelson*
 
+* Remove unnecessary `#format` methods that returned `nil`.
+
+    *Joel Hawksley*
+
 * Clean up project dependencies, relaxing versions of development gems.
 
     *Joel Hawksley*

lib/view_component/base.rb

@@ -273,12 +273,6 @@ 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
-    end
-
     # The current request. Use sparingly as doing so introduces coupling that
     # inhibits encapsulation & reuse, often making testing difficult.
     #

lib/view_component/collection.rb

@@ -40,12 +40,6 @@ def each(&block)
       components.each(&block)
     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
-    end
-
     private
 
     def initialize(component, object, spacer_component, **options)