feat: ensure element is present before postMessage

app/builders/agent_builder.rb

@@ -16,6 +16,7 @@ class AgentBuilder
   def perform
     ActiveRecord::Base.transaction do
       @user = find_or_create_user
+      send_confirmation_if_required
       create_account_user
     end
     @user
@@ -33,6 +34,11 @@ class AgentBuilder
     User.create!(email: email, name: name, password: temp_password, password_confirmation: temp_password)
   end
 
+  # Sends confirmation instructions if the user is persisted and not confirmed.
+  def send_confirmation_if_required
+    @user.send_confirmation_instructions if user_needs_confirmation?
+  end
+
   # Checks if the user needs confirmation.
   # @return [Boolean] true if the user is persisted and not confirmed, false otherwise.
   def user_needs_confirmation?

app/javascript/sdk/IFrameHelper.js

@@ -88,7 +88,7 @@ export const IFrameHelper = {
   getBubbleHolder: () => document.getElementsByClassName('woot--bubble-holder'),
   sendMessage: (key, value) => {
     const element = IFrameHelper.getAppFrame();
-    element.contentWindow.postMessage(
+    element?.contentWindow.postMessage(
       `chatwoot-widget:${JSON.stringify({ event: key, ...value })}`,
       '*'
     );

spec/builders/agent_builder_spec.rb

@@ -67,5 +67,21 @@ RSpec.describe AgentBuilder, type: :model do
         expect(user.encrypted_password).not_to be_empty
       end
     end
+
+    context 'with confirmation required' do
+      let(:unconfirmed_user) { create(:user, email: email) }
+
+      before do
+        unconfirmed_user.confirmed_at = nil
+        unconfirmed_user.save(validate: false)
+        allow(unconfirmed_user).to receive(:confirmed?).and_return(false)
+      end
+
+      it 'sends confirmation instructions' do
+        user = agent_builder.perform
+        expect(user).to receive(:send_confirmation_instructions)
+        agent_builder.send(:send_confirmation_if_required)
+      end
+    end
   end
 end