add strikethrough when parent isn't visible

src/components/status/status.vue

@@ -208,7 +208,12 @@
                     @click.prevent="gotoOriginal(status.in_reply_to_status_id)"
                   >
                     <i class="button-icon icon-reply" />
-                    <span class="faint-link reply-to-text">{{ $t('status.reply_to') }}</span>
+                    <span
+                      class="faint-link reply-to-text"
+                      :class="{ 'strikethrough': !status.parent_visible }"
+                    >
+                      {{ $t('status.reply_to') }}
+                    </span>
                   </a>
                 </StatusPopover>
                 <span
@@ -526,6 +531,10 @@ $status-margin: 0.75em;
       margin: 0 0.4em 0 0.2em;
     }
 
+    .strikethrough {
+      text-decoration: line-through;
+    }
+
     .replies-separator {
       margin-left: 0.4em;
     }

src/services/entity_normalizer/entity_normalizer.service.js

@@ -248,6 +248,7 @@ export const parseStatus = (data) => {
       output.in_reply_to_screen_name = data.pleroma.in_reply_to_account_acct
       output.thread_muted = pleroma.thread_muted
       output.emoji_reactions = pleroma.emoji_reactions
+      output.parent_visible = pleroma.parent_visible === undefined ? true : pleroma.parent_visible
     } else {
       output.text = data.content
       output.summary = data.spoiler_text