refactor: 🎨

src/components/ReplyNote/index.tsx

@@ -1,12 +1,14 @@
 import { useSecondaryPage } from '@/PageManager'
 import { Button } from '@/components/ui/button'
 import { Skeleton } from '@/components/ui/skeleton'
-import { isMentioningMutedUsers } from '@/lib/event'
+import { getEventKey, isMentioningMutedUsers } from '@/lib/event'
 import { toNote } from '@/lib/link'
 import { cn } from '@/lib/utils'
 import { useContentPolicy } from '@/providers/ContentPolicyProvider'
 import { useMuteList } from '@/providers/MuteListProvider'
+import { useReply } from '@/providers/ReplyProvider'
 import { useScreenSize } from '@/providers/ScreenSizeProvider'
+import { useUserTrust } from '@/providers/UserTrustProvider'
 import { Event } from 'nostr-tools'
 import { useMemo, useState } from 'react'
 import { useTranslation } from 'react-i18next'
@@ -40,7 +42,9 @@ export default function ReplyNote({
   const { isSmallScreen } = useScreenSize()
   const { push } = useSecondaryPage()
   const { mutePubkeySet } = useMuteList()
+  const { hideUntrustedInteractions, isUserTrusted } = useUserTrust()
   const { hideContentMentioningMutedUsers } = useContentPolicy()
+  const { repliesMap } = useReply()
   const [showMuted, setShowMuted] = useState(false)
   const show = useMemo(() => {
     if (showMuted) {
@@ -54,16 +58,37 @@ export default function ReplyNote({
     }
     return true
   }, [showMuted, mutePubkeySet, event, hideContentMentioningMutedUsers])
+  const hasReplies = useMemo(() => {
+    const key = getEventKey(event)
+    const replies = repliesMap.get(key)?.events
+    if (!replies || replies.length === 0) {
+      return false
+    }
+
+    for (const reply of replies) {
+      if (hideUntrustedInteractions && !isUserTrusted(reply.pubkey)) {
+        continue
+      }
+      if (mutePubkeySet.has(reply.pubkey)) {
+        continue
+      }
+      if (hideContentMentioningMutedUsers && isMentioningMutedUsers(reply, mutePubkeySet)) {
+        continue
+      }
+      return true
+    }
+  }, [event, repliesMap])
 
   return (
     <div
       className={cn(
-        'pb-3 transition-colors duration-500 clickable',
+        'relative pb-3 transition-colors duration-500 clickable',
         highlight ? 'bg-primary/40' : '',
         className
       )}
       onClick={() => push(toNote(event))}
     >
+      {hasReplies && <div className="absolute left-[34px] top-14 bottom-0 border-l" />}
       <Collapsible>
         <div className="flex space-x-2 items-start px-4 pt-3">
           <UserAvatar userId={event.pubkey} size="medium" className="shrink-0 mt-0.5" />

src/components/ReplyNoteList/SubReplies.tsx

@@ -81,7 +81,7 @@ export default function SubReplies({ parentKey }: { parentKey: string }) {
     }, 1500)
   }, [])
 
-  if (replies.length === 0) return <div className="border-b w-full" />
+  if (replies.length === 0) return null
 
   return (
     <div>
@@ -91,11 +91,16 @@ export default function SubReplies({ parentKey }: { parentKey: string }) {
             e.stopPropagation()
             setIsExpanded(!isExpanded)
           }}
-          className={cn(
-            'w-full flex items-center gap-1.5 pl-14 py-2 text-sm text-muted-foreground hover:text-foreground transition-colors clickable',
-            !isExpanded && 'border-b'
-          )}
+          className="relative w-full flex items-center gap-1.5 pl-14 py-2 text-sm text-muted-foreground hover:text-foreground transition-colors clickable"
         >
+          <div
+            className={cn('absolute left-[34px] top-0 bottom-0 w-px text-border')}
+            style={{
+              background: isExpanded
+                ? 'currentColor'
+                : 'repeating-linear-gradient(to bottom, currentColor 0 3px, transparent 3px 7px)'
+            }}
+          />
           {isExpanded ? (
             <>
               <ChevronUp className="size-3.5" />
@@ -125,14 +130,14 @@ export default function SubReplies({ parentKey }: { parentKey: string }) {
               <div
                 ref={(el) => (replyRefs.current[currentReplyKey] = el)}
                 key={currentReplyKey}
-                className="scroll-mt-12 flex"
+                className="scroll-mt-12 flex relative"
               >
-                <div className="w-3 flex-shrink-0 bg-border" />
+                <div className="absolute left-[34px] top-0 h-8 w-4 rounded-bl-lg border-l border-b" />
+                {index < replies.length - 1 && (
+                  <div className="absolute left-[34px] top-0 bottom-0 border-l" />
+                )}
                 <ReplyNote
-                  className={cn(
-                    'border-l flex-1 w-0 border-t',
-                    index === replies.length - 1 && 'border-b'
-                  )}
+                  className="flex-1 w-0 pl-10"
                   event={reply}
                   parentEventId={_parentKey !== parentKey ? _parentEventId : undefined}
                   onClickParent={() => {

src/components/ReplyNoteList/index.tsx

@@ -272,15 +272,9 @@ export default function ReplyNoteList({
         </div>
       )}
       <div>
-        {replies.slice(0, showCount).map((reply) => {
-          const key = getEventKey(reply)
-          return (
-            <div key={key}>
-              <ReplyNote event={reply} />
-              <SubReplies parentKey={key} />
-            </div>
-          )
-        })}
+        {replies.slice(0, showCount).map((reply) => (
+          <Item key={reply.id} reply={reply} />
+        ))}
       </div>
       {!loading && (
         <div className="text-sm mt-2 mb-3 text-center text-muted-foreground">
@@ -292,3 +286,14 @@ export default function ReplyNoteList({
     </div>
   )
 }
+
+function Item({ reply }: { reply: NEvent }) {
+  const key = useMemo(() => getEventKey(reply), [reply])
+
+  return (
+    <div className="relative border-b">
+      <ReplyNote event={reply} />
+      <SubReplies parentKey={key} />
+    </div>
+  )
+}