댓글 더보기와 컨트롤 정리

frontend/src/components/TierListCommentsCard.vue

@@ -39,11 +39,15 @@ const openedReplyComposerId = ref('')
 const submittingTargetId = ref('')
 const deletingCommentId = ref('')
 const replyInputRefs = ref({})
+const visibleRootCount = ref(10)
+const visibleReplyCounts = ref({})
 let activeCommentRetryTimer = 0
 
 const totalCommentCount = computed(() =>
   comments.value.reduce((count, comment) => count + 1 + (comment.replies?.length || 0), 0)
 )
+const visibleComments = computed(() => comments.value.slice(0, visibleRootCount.value))
+const hasMoreRootComments = computed(() => comments.value.length > visibleRootCount.value)
 const loginTarget = computed(() => loginPath(route.fullPath))
 const highlightedCommentId = computed(() =>
   typeof route.query.commentId === 'string' ? route.query.commentId.trim() : ''
@@ -110,6 +114,8 @@ async function loadComments() {
   try {
     const data = await api.listTierListComments(props.tierListId)
     comments.value = Array.isArray(data.comments) ? data.comments : []
+    visibleRootCount.value = 10
+    visibleReplyCounts.value = {}
     scrollToHighlightedComment()
   } catch (loadError) {
     error.value = '댓글을 불러오지 못했어요.'
@@ -118,6 +124,36 @@ async function loadComments() {
   }
 }
 
+function visibleRepliesOf(comment) {
+  const replies = Array.isArray(comment?.replies) ? comment.replies : []
+  const limit = visibleReplyCounts.value[comment?.id] || 3
+  return replies.slice(0, limit)
+}
+
+function hasMoreReplies(comment) {
+  const replies = Array.isArray(comment?.replies) ? comment.replies : []
+  return replies.length > (visibleReplyCounts.value[comment?.id] || 3)
+}
+
+function remainingReplyCount(comment) {
+  const replies = Array.isArray(comment?.replies) ? comment.replies : []
+  return Math.max(0, replies.length - (visibleReplyCounts.value[comment?.id] || 3))
+}
+
+const remainingRootCount = computed(() => Math.max(0, comments.value.length - visibleRootCount.value))
+
+function showMoreRootComments() {
+  visibleRootCount.value += 10
+}
+
+function showMoreReplies(commentId) {
+  if (!commentId) return
+  visibleReplyCounts.value = {
+    ...visibleReplyCounts.value,
+    [commentId]: (visibleReplyCounts.value[commentId] || 3) + 3,
+  }
+}
+
 async function submitComment(parentCommentId = '') {
   if (!props.canWrite || !props.tierListId) return
   const isReply = !!parentCommentId
@@ -247,7 +283,7 @@ onBeforeUnmount(() => {
 
     <div v-else class="commentsThread">
       <article
-        v-for="comment in comments"
+        v-for="comment in visibleComments"
         :key="comment.id"
         class="commentItem"
         :class="{ 'commentItem--highlighted': isHighlighted(comment.id) }"
@@ -296,7 +332,7 @@ onBeforeUnmount(() => {
 
         <div v-if="comment.replies?.length" class="replyList">
           <article
-            v-for="reply in comment.replies"
+            v-for="reply in visibleRepliesOf(comment)"
             :key="reply.id"
             class="commentItem commentItem--reply"
             :class="{ 'commentItem--highlighted': isHighlighted(reply.id) }"
@@ -325,8 +361,14 @@ onBeforeUnmount(() => {
             </div>
             <div class="commentItem__body">{{ reply.content }}</div>
           </article>
+          <button v-if="hasMoreReplies(comment)" class="commentMoreButton" type="button" @click="showMoreReplies(comment.id)">
+            답글 {{ remainingReplyCount(comment) }}개 더 보기
+          </button>
         </div>
       </article>
+      <button v-if="hasMoreRootComments" class="commentMoreButton commentMoreButton--root" type="button" @click="showMoreRootComments">
+        댓글 {{ remainingRootCount }}개 더 보기
+      </button>
     </div>
   </section>
 </template>
@@ -450,18 +492,34 @@ onBeforeUnmount(() => {
 
 .commentsThread {
   display: grid;
-  gap: 12px;
+  gap: 10px;
+}
+
+.commentMoreButton {
+  justify-self: flex-start;
+  margin-top: 10px;
+  padding: 0;
+  border: 0;
+  background: transparent;
+  color: var(--theme-text-muted);
+  font-size: 13px;
+  font-weight: 800;
+  cursor: pointer;
+}
+
+.commentMoreButton--root {
+  margin-top: 4px;
 }
 
 .commentItem {
   position: relative;
-  padding: 14px 0 0;
+  padding: 12px 0 0;
 }
 
 .commentItem--reply {
-  margin-top: 10px;
-  margin-left: 22px;
-  padding-top: 10px;
+  margin-top: 8px;
+  margin-left: 20px;
+  padding-top: 8px;
 }
 
 .commentItem--reply::before {
@@ -483,7 +541,7 @@ onBeforeUnmount(() => {
   display: flex;
   justify-content: space-between;
   gap: 12px;
-  margin-bottom: 8px;
+  margin-bottom: 6px;
 }
 
 .commentItem__author {
@@ -545,8 +603,8 @@ onBeforeUnmount(() => {
 }
 
 .commentItem__body {
-  padding: 14px 15px;
-  border-radius: 18px;
+  padding: 12px 14px;
+  border-radius: 16px;
   border: 1px solid var(--theme-border);
   background: var(--theme-surface);
   white-space: pre-wrap;
@@ -555,8 +613,8 @@ onBeforeUnmount(() => {
 }
 
 .replyComposer {
-  margin-top: 14px;
-  padding: 14px;
+  margin-top: 12px;
+  padding: 12px;
   border-radius: 18px;
   background: var(--theme-surface-soft);
 }