From df9e220364484acccdb3f51b71a7081dfa0bec2f Mon Sep 17 00:00:00 2001
From: Matt Jankowski <matt@jankowski.online>
Date: Fri, 12 Jan 2024 04:12:31 -0500
Subject: [PATCH] Add JS console errors check (#28682)

---
 lib/tasks/spec.rake               |  2 ++
 spec/support/javascript_errors.rb | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 spec/support/javascript_errors.rb

diff --git a/lib/tasks/spec.rake b/lib/tasks/spec.rake
index 8f2cbeea358..d505a471953 100644
--- a/lib/tasks/spec.rake
+++ b/lib/tasks/spec.rake
@@ -3,6 +3,8 @@
 if Rake::Task.task_defined?('spec:system')
   namespace :spec do
     task :enable_system_specs do # rubocop:disable Rails/RakeEnvironment
+      ENV['LOCAL_DOMAIN'] = 'localhost:3000'
+      ENV['LOCAL_HTTPS'] = 'false'
       ENV['RUN_SYSTEM_SPECS'] = 'true'
     end
   end
diff --git a/spec/support/javascript_errors.rb b/spec/support/javascript_errors.rb
new file mode 100644
index 00000000000..bdce1cc76db
--- /dev/null
+++ b/spec/support/javascript_errors.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+RSpec.configure do |config|
+  config.after(:each, type: :system) do
+    errors = page.driver.browser.logs.get(:browser)
+    if errors.present?
+      aggregate_failures 'javascript errrors' do
+        errors.each do |error|
+          expect(error.level).to_not eq('SEVERE'), error.message
+          next unless error.level == 'WARNING'
+
+          $stderr.warn 'WARN: javascript warning'
+          $stderr.warn error.message
+        end
+      end
+    end
+  end
+end