fix: Add validations dynamically for pre-chat form (#1779)

app/controllers/api/v1/widget/conversations_controller.rb

@@ -7,7 +7,7 @@ class Api::V1::Widget::ConversationsController < Api::V1::Widget::BaseController
 
   def create
     ActiveRecord::Base.transaction do
-      update_contact(contact_email) if @contact.email.blank?
+      update_contact(contact_email) if @contact.email.blank? && contact_email.present?
       @conversation = create_conversation
       conversation.messages.create(message_params)
     end

app/javascript/widget/components/PreChat/Form.vue

@@ -71,18 +71,30 @@ export default {
       default: () => ({}),
     },
   },
-  validations: {
+  validations() {
-    fullName: {
+    const identityValidations = {
-      required,
+      fullName: {
-    },
+        required,
-    emailAddress: {
+      },
-      required,
+      emailAddress: {
-      email,
+        required,
-    },
+        email,
-    message: {
+      },
-      required,
+    };
-      minLength: minLength(10),
+
-    },
+    const messageValidation = {
+      message: {
+        required,
+        minLength: minLength(10),
+      },
+    };
+    if (this.options.requireEmail) {
+      return {
+        ...identityValidations,
+        ...messageValidation,
+      };
+    }
+    return messageValidation;
   },
   data() {
     return {