230 lines
7.9 KiB
TypeScript
230 lines
7.9 KiB
TypeScript
"use client";
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/**
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* CommentRow — one comment (top-level or reply) in the comments drawer.
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*
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* Top-level rows own a lazily-loaded, flat reply thread (one level deep) and
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* register a splice hook so the drawer can drop a freshly-posted reply in;
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* replies render the "Replying to @handle" prefix. Like is optimistic; the
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* kebab (Pin / Delete / Report) lives in CommentMenu; deletes/reports bubble
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* up to the drawer's modals via onRequest* callbacks.
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*/
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import { useEffect, useRef, useState } from "react";
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import Link from "next/link";
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import { HiHeart, HiOutlineHeart } from "react-icons/hi2";
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import { Pin } from "lucide-react";
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import { toast } from "sonner";
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import { cn } from "@/lib/utils";
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import { comments as commentsApi, SocialError, type Comment } from "@/lib/social";
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import { UserAvatar } from "@/components/ui/user-avatar";
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import { renderMentions } from "@/components/social/mention-text";
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import { timeAgo } from "@/lib/time";
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import { CommentMenu } from "./comment-menu";
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export function CommentRow({
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comment,
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viewerId,
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isPostAuthor,
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onReply,
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onLikeChange,
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onPinToggle,
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onRequestDelete,
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onRequestReport,
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requireAuth,
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registerThread,
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isReply = false,
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}: {
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comment: Comment;
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viewerId?: string;
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isPostAuthor: boolean;
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onReply: (c: Comment) => void;
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onLikeChange: (likes: number, liked: boolean) => void;
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onPinToggle: () => void;
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onRequestDelete: (c: Comment) => void;
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onRequestReport: (c: Comment) => void;
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requireAuth: () => Promise<boolean>;
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/** Top-level rows register a callback so a newly-posted reply can be spliced
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* into their open thread. Replies pass nothing. */
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registerThread?: (fn: ((c: Comment) => void) | null) => void;
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isReply?: boolean;
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}) {
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const [replies, setReplies] = useState<Comment[]>([]);
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const [showReplies, setShowReplies] = useState(false);
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const [repliesLoaded, setRepliesLoaded] = useState(false);
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const likeBusy = useRef(false);
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const canDelete = viewerId === comment.user_id || isPostAuthor;
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const canReport = !!viewerId && viewerId !== comment.user_id;
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const pinnable = isPostAuthor && !isReply;
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// Expose a splice hook so the drawer can append a reply created from the
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// composer. Replies created while collapsed still get the count bump; they
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// show once expanded (re-fetched) or appended if already open.
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useEffect(() => {
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if (isReply || !registerThread) return;
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registerThread((c: Comment) => {
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if (c.body === "__deleted__") {
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setReplies((prev) => prev.filter((x) => x.id !== c.id));
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return;
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}
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setRepliesLoaded(true);
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setShowReplies(true);
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setReplies((prev) =>
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prev.some((x) => x.id === c.id) ? prev : [...prev, c],
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);
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});
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return () => registerThread(null);
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}, [isReply, registerThread]);
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async function toggleReplies() {
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if (!showReplies && !repliesLoaded) {
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try {
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const rows = await commentsApi.replies(comment.id, { limit: 50 });
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setReplies(rows ?? []);
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setRepliesLoaded(true);
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} catch {
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/* ignore */
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}
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}
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setShowReplies((v) => !v);
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}
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async function likeToggle() {
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if (likeBusy.current) return;
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if (!(await requireAuth())) return;
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likeBusy.current = true;
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const next = !comment.viewer_has_liked;
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// optimistic
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onLikeChange(Math.max(0, comment.likes_count + (next ? 1 : -1)), next);
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try {
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const res = next
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? await commentsApi.like(comment.id)
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: await commentsApi.unlike(comment.id);
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onLikeChange(res.likes_count, next);
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} catch (err) {
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onLikeChange(comment.likes_count, comment.viewer_has_liked);
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toast.error(
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err instanceof SocialError ? err.message : "Could not update like",
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{ duration: 3000 },
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);
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} finally {
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likeBusy.current = false;
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}
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}
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return (
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<li className={cn(isReply && "mt-3")}>
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<div className="flex gap-3">
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<UserAvatar
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src={comment.author_avatar_url}
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name={comment.author_name}
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className="size-9"
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textClassName="text-xs"
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/>
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<div className="min-w-0 flex-1">
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<div className="flex items-start justify-between gap-2">
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<div className="flex min-w-0 flex-wrap items-center gap-x-2 gap-y-0.5">
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<span className="text-sm font-semibold text-foreground truncate">
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{comment.author_name}
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</span>
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{!isReply && comment.pinned_at ? (
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<span className="inline-flex items-center gap-1 rounded-full bg-primary/10 px-1.5 py-0.5 text-[10px] font-medium text-primary">
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<Pin className="size-3" /> Pinned
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</span>
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) : null}
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<span className="text-xs text-muted-foreground">
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{timeAgo(comment.created_at)}
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</span>
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</div>
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<CommentMenu
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canPin={pinnable}
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isPinned={!!comment.pinned_at}
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canDelete={canDelete}
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canReport={canReport}
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onPin={onPinToggle}
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onDelete={() => onRequestDelete(comment)}
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onReport={() => onRequestReport(comment)}
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/>
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</div>
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<p className="mt-0.5 whitespace-pre-wrap break-words text-sm text-foreground">
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{comment.reply_to_handle ? (
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<span className="font-medium text-primary">
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@{comment.reply_to_handle}{" "}
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</span>
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) : null}
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{renderMentions(comment.body)}
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</p>
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{/* Inline action row */}
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<div className="mt-1.5 flex items-center gap-4 text-xs text-muted-foreground">
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<button
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type="button"
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onClick={likeToggle}
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className="inline-flex items-center gap-1 hover:text-foreground transition-colors"
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aria-label={comment.viewer_has_liked ? "Unlike" : "Like"}
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>
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{comment.viewer_has_liked ? (
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<HiHeart className="size-4 text-red-500" />
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) : (
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<HiOutlineHeart className="size-4" />
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)}
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{comment.likes_count > 0 ? (
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<span className="tabular-nums">{comment.likes_count}</span>
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) : null}
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</button>
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<button
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type="button"
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onClick={() => onReply(comment)}
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className="font-medium hover:text-foreground transition-colors"
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>
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Reply
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</button>
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</div>
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{/* Replies */}
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{!isReply && comment.reply_count > 0 ? (
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<button
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type="button"
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onClick={toggleReplies}
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className="mt-2 text-xs font-medium text-primary hover:underline"
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>
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{showReplies
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? "Hide replies"
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: `View ${comment.reply_count} ${comment.reply_count === 1 ? "reply" : "replies"}`}
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</button>
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) : null}
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{!isReply && showReplies ? (
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<ul className="mt-1 border-l border-border pl-3">
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{replies.map((r) => (
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<CommentRow
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key={r.id}
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comment={r}
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viewerId={viewerId}
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isPostAuthor={isPostAuthor}
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onReply={onReply}
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onLikeChange={(likes, liked) =>
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setReplies((prev) =>
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prev.map((x) =>
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x.id === r.id
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? { ...x, likes_count: likes, viewer_has_liked: liked }
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: x,
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),
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)
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}
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onPinToggle={() => {}}
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onRequestDelete={onRequestDelete}
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onRequestReport={onRequestReport}
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requireAuth={requireAuth}
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isReply
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/>
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))}
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</ul>
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) : null}
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</div>
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</div>
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</li>
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);
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}
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