lib/primer/forms/base.rb in primer_view_components-0.0.86 vs lib/primer/forms/base.rb in primer_view_components-0.0.87

@@ -15,9 +15,14 @@
         def form(&block)
           @__vcf_form_block = block
         end
 
         def new(builder, **options)
+          if builder && !builder.is_a?(Primer::Forms::Builder)
+            raise ArgumentError, "please pass an instance of Primer::Forms::Builder when "\
+              "constructing a form object (consider using the `primer_form_with` helper)"
+          end
+
           allocate.tap do |form|
             form.instance_variable_set(:@builder, builder)
             form.send(:initialize, **options)
           end
         end