fix(storefront): BCTHEME-671 Empty email input in newsletter field do…

…es not trigger an error (#2101)

CHANGELOG.md

@@ -6,6 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Draft
 - Fixed wishlist dropdown shift on quick view modal. [#2102](https://github.com/bigcommerce/cornerstone/pull/2102)
+- Empty email input in newsletter field should trigger an error. [#2101](https://github.com/bigcommerce/cornerstone/pull/2101)
 - Make Hero Carousel both slide and button clickable when button enabled. [#2098](https://github.com/bigcommerce/cornerstone/pull/2098)
 - "Manage Website Data Collection Preferences" phrase is not translatable. [#2090](https://github.com/bigcommerce/cornerstone/pull/2090)
 - No navigation back to wishlist tab when you are in a wishlist. [#2096](https://github.com/bigcommerce/cornerstone/pull/2096)

templates/components/common/subscription-form.html

@@ -17,6 +17,7 @@ <h3 class="footer-info-heading">{{lang 'newsletter.subscribe'}}</h3>
                        placeholder="{{lang 'newsletter.email_placeholder'}}"
                        aria-describedby="alertBox-message-text"
                        aria-required="true"
+                       required
                 >
                 <input class="button button--primary form-prefixPostfix-button--postfix"
                        type="submit"