Fix an error for Lint/ErbNewArguments cop

CHANGELOG.md

@@ -18,6 +18,7 @@
 * [#7767](https://github.com/rubocop-hq/rubocop/issues/7767): Skip array literals in `Style/HashTransformValues` and `Style/HashTransformKeys`. ([@tejasbubane][])
 * [#7791](https://github.com/rubocop-hq/rubocop/issues/7791): Fix an error on auto-correction for `Layout/BlockEndNewline` when `}` of multiline block without processing is not on its own line. ([@koic][])
 * [#7778](https://github.com/rubocop-hq/rubocop/issues/7778): Fix a false positive for `Layout/EndAlignment` when a non-whitespace is used before the `end` keyword. ([@koic][])
+* [#7806](https://github.com/rubocop-hq/rubocop/pull/7806): Fix an error for `Lint/ErbNewArguments` cop when inspecting `ActionView::Template::Handlers::ERB.new`. ([@koic][])
 
 ### Changes
 

lib/rubocop/cop/lint/erb_new_arguments.rb

@@ -84,7 +84,7 @@ class ErbNewArguments < Cop
 
         def on_send(node)
           erb_new_with_non_keyword_arguments(node) do |arguments|
-            return if correct_arguments?(arguments)
+            return if arguments.empty? || correct_arguments?(arguments)
 
             arguments[1..3].each_with_index do |argument, i|
               next if !argument || argument.hash_type?

spec/rubocop/cop/lint/erb_new_arguments_spec.rb

@@ -108,5 +108,14 @@
         ERB.new(str)
       RUBY
     end
+
+    context 'when using `ActionView::Template::Handlers::ERB.new`' do
+      it 'does not register an offense when using `ERB.new` ' \
+         'without arguments' do
+        expect_no_offenses(<<~RUBY)
+          ERB.new
+        RUBY
+      end
+    end
   end
 end