claude refactor of index.tsx so its humanly editable

This commit is contained in:
2026-04-10 19:33:56 -04:00
parent d194834110
commit 0e4e46824c
16 changed files with 2234 additions and 2200 deletions

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import React, { useState, useRef, useEffect, useContext } from "react";
import { useQuery, useInfiniteQuery, useMutation, useQueryClient } from "@tanstack/react-query";
import { readTweet, destroyTweet, updateTweet, likeTweet, unlikeTweet, buildCSRFHeaders } from "../ash_rpc";
import { AuthCtx } from "../context";
import { getAssetHost, userDisplayLabel } from "../utils";
import { COMMENTS_PAGE_SIZE } from "../constants";
import { Spinner, ErrorBanner, Avatar } from "./ui";
import { MediaLightbox } from "./media";
import { CommentIcon, CommentCard } from "./tweet-card";
import { ComposeComment } from "./compose";
import type { Tweet, MediaItem } from "../types";
export function TweetDetail({ tweetId }: { tweetId: string }) {
const { userId: currentUserId, email } = useContext(AuthCtx);
const [lightboxItem, setLightboxItem] = useState<MediaItem | null>(null);
const [confirmDelete, setConfirmDelete] = useState(false);
const [editing, setEditing] = useState(false);
const [editText, setEditText] = useState("");
const [error, setError] = useState<string | null>(null);
const qc = useQueryClient();
const assetHost = getAssetHost();
const { data: tweet, isLoading, isError } = useQuery({
queryKey: ["tweet", tweetId],
queryFn: async () => {
const res = await readTweet({
fields: ["id", "content", "likes", "likedByMe", "commentCount", "userId", "state", "userEmail", "userUsername", "userDisplayName", "userAvatarUrl", "insertedAt", { media: ["id", "s3Key"] }],
filter: { id: { eq: tweetId } },
headers: buildCSRFHeaders(),
});
if (!res.success) throw new Error("Failed to load tweet");
const results = Array.isArray(res.data) ? res.data : (res.data as any)?.results ?? [];
return (results[0] as Tweet) ?? null;
},
});
const commentsSentinelRef = useRef<HTMLDivElement>(null);
const {
data: commentsData,
isLoading: commentsLoading,
fetchNextPage: fetchNextComments,
hasNextPage: hasMoreComments,
isFetchingNextPage: isFetchingMoreComments,
} = useInfiniteQuery({
queryKey: ["comments", tweetId],
queryFn: async ({ pageParam }: { pageParam: number }) => {
const res = await readTweet({
fields: ["id", "content", "likes", "likedByMe", "parentTweetId", "userId", "state", "userEmail", "userUsername", "userDisplayName", "userAvatarUrl", "insertedAt", { media: ["id", "s3Key"] }],
filter: { parentTweetId: { eq: tweetId } },
sort: "insertedAt",
page: { limit: COMMENTS_PAGE_SIZE, offset: pageParam },
headers: buildCSRFHeaders(),
});
if (!res.success) throw new Error("Failed to load comments");
const pageData = res.data as any;
const comments: Tweet[] = Array.isArray(pageData) ? pageData : (pageData?.results ?? []);
const hasMore: boolean = Array.isArray(pageData) ? false : (pageData?.hasMore ?? false);
return { comments, hasMore, nextOffset: pageParam + COMMENTS_PAGE_SIZE };
},
initialPageParam: 0,
getNextPageParam: (lastPage) => lastPage.hasMore ? lastPage.nextOffset : undefined,
});
useEffect(() => {
const el = commentsSentinelRef.current;
if (!el) return;
const observer = new IntersectionObserver(
(entries) => {
if (entries[0].isIntersecting && hasMoreComments && !isFetchingMoreComments) {
fetchNextComments();
}
},
{ threshold: 0.1 },
);
observer.observe(el);
return () => observer.disconnect();
}, [hasMoreComments, isFetchingMoreComments, fetchNextComments]);
const deleteMutation = useMutation({
mutationFn: async () => {
const res = await destroyTweet({ identity: tweetId, headers: buildCSRFHeaders() });
if (!res.success) throw new Error(res.errors?.[0]?.message ?? "Failed to delete");
},
onSuccess: () => { window.location.href = "/feed"; },
onError: (e: Error) => setError(e.message),
});
const updateMutation = useMutation({
mutationFn: async (content: string) => {
const res = await updateTweet({
identity: tweetId,
input: { content },
fields: ["id", "content", "userId", "state"],
headers: buildCSRFHeaders(),
});
if (!res.success) throw new Error(res.errors?.[0]?.message ?? "Failed to update");
},
onSuccess: () => {
qc.invalidateQueries({ queryKey: ["tweet", tweetId] });
setEditing(false);
setError(null);
},
onError: (e: Error) => setError(e.message),
});
const likeMutation = useMutation({
mutationFn: async () => {
if (!tweet) return;
const action = tweet.likedByMe ? unlikeTweet : likeTweet;
const res = await action({ identity: tweetId, fields: ["id", "likes", "likedByMe"], headers: buildCSRFHeaders() });
if (!res.success) throw new Error(res.errors?.[0]?.message ?? "Failed to update like");
},
onSuccess: () => qc.invalidateQueries({ queryKey: ["tweet", tweetId] }),
onError: (e: Error) => setError(e.message),
});
if (isLoading) return <Spinner />;
if (isError || !tweet) return <ErrorBanner message="Could not load tweet" />;
const canModify = !!currentUserId && tweet.userId === currentUserId;
const canLike = !!currentUserId;
return (
<div className="mx-detail">
<div className="mx-detail-header">
<a href="/feed" className="mx-back-btn">
<svg width="16" height="16" viewBox="0 0 24 24" fill="currentColor">
<path d="M20 11H7.83l5.59-5.59L12 4l-8 8 8 8 1.41-1.41L7.83 13H20v-2z" />
</svg>
Back
</a>
{canModify && (
<div style={{ display: "flex", gap: "0.5rem" }}>
<button
className="mx-action-btn"
title="Edit"
onClick={() => { setEditText(tweet.content); setEditing(true); }}
>
<svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor">
<path d="M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25zm17.71-10.04a1 1 0 0 0 0-1.41l-2.31-2.31a1 1 0 0 0-1.41 0l-1.79 1.79 3.75 3.75 1.76-1.82z" />
</svg>
</button>
<button
className={`mx-action-btn mx-action-delete${confirmDelete ? " mx-action-confirm" : ""}`}
title={confirmDelete ? "Confirm delete" : "Delete"}
onClick={() => {
if (!confirmDelete) {
setConfirmDelete(true);
setTimeout(() => setConfirmDelete(false), 3000);
} else {
deleteMutation.mutate();
}
}}
>
{deleteMutation.isPending ? (
<span style={{ fontSize: "0.65rem" }}></span>
) : confirmDelete ? (
<svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor">
<path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z" />
</svg>
) : (
<svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor">
<path d="M6 19c0 1.1.9 2 2 2h8c1.1 0 2-.9 2-2V7H6v12zM19 4h-3.5l-1-1h-5l-1 1H5v2h14V4z" />
</svg>
)}
</button>
</div>
)}
</div>
<div className="mx-detail-body">
<div className="mx-detail-author">
<Avatar avatarUrl={tweet.userAvatarUrl} name={tweet.userDisplayName || tweet.userUsername || tweet.userEmail} />
<div>
<span className="mx-tweet-handle">{userDisplayLabel({ displayName: tweet.userDisplayName, username: tweet.userUsername, email: tweet.userEmail })}</span>
{tweet.userUsername && (
<div style={{ fontSize: "0.8rem", color: "var(--mx-muted)" }}>@{tweet.userUsername}</div>
)}
</div>
</div>
{editing ? (
<div className="mx-edit-area">
<textarea
className="mx-edit-textarea"
value={editText}
onChange={(e) => setEditText(e.target.value)}
autoFocus
rows={4}
/>
{error && <p className="mx-compose-error">{error}</p>}
<div className="mx-edit-footer">
<button className="mx-btn-cancel" onClick={() => { setEditing(false); setError(null); }}>Cancel</button>
<button
className="mx-btn-save"
onClick={() => { const t = editText.trim(); if (t) updateMutation.mutate(t); }}
disabled={!editText.trim() || updateMutation.isPending}
>
{updateMutation.isPending ? "Saving…" : "Save"}
</button>
</div>
</div>
) : (
<p className="mx-detail-content">{tweet.content}</p>
)}
{tweet.media && tweet.media.length > 0 && (
<div className="mx-detail-media">
{tweet.media.map((m) => (
<button key={m.id} className="mx-media-thumb" onClick={() => setLightboxItem(m)}>
{/\.(mp4|mov)$/i.test(m.s3Key) ? (
<video src={`${assetHost}/${m.s3Key}`} />
) : (
<img src={`${assetHost}/${m.s3Key}`} alt="" />
)}
</button>
))}
</div>
)}
<div className="mx-tweet-footer" style={{ marginTop: "1rem" }}>
<button
className={`mx-like-btn${tweet.likedByMe ? " mx-like-btn-active" : ""}`}
onClick={() => likeMutation.mutate()}
disabled={!canLike || likeMutation.isPending}
title={canLike ? (tweet.likedByMe ? "Remove like" : "Like post") : "Sign in to like posts"}
>
<svg width="16" height="16" viewBox="0 0 24 24" fill="currentColor">
<path d="M12.1 21.35 10.55 19.93C5.4 15.27 2 12.19 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.69-3.4 6.77-8.55 11.44z" />
</svg>
<span>{tweet.likes}</span>
</button>
<span className="mx-like-btn mx-comment-count-badge" style={{ cursor: "default" }}>
<CommentIcon />
<span>{tweet.commentCount ?? 0} {(tweet.commentCount ?? 0) === 1 ? "reply" : "replies"}</span>
</span>
</div>
{error && !editing && <p className="mx-compose-error">{error}</p>}
</div>
{lightboxItem && <MediaLightbox item={lightboxItem} onClose={() => setLightboxItem(null)} />}
<div className="mx-comments-section">
<div className="mx-comments-divider">
<span>Replies</span>
</div>
{email ? (
<ComposeComment parentTweetId={tweetId} />
) : (
<div className="mx-signin-cta mx-signin-cta--sm">
<p><a href="/sign-in" style={{ color: "var(--mx-accent)", textDecoration: "none" }}>Sign in</a> to reply.</p>
</div>
)}
{commentsLoading ? (
<Spinner />
) : (() => {
const comments = commentsData?.pages.flatMap((p) => p.comments) ?? [];
return comments.length > 0 ? (
<div className="mx-comments-list">
{comments.map((c) => (
<CommentCard key={c.id} comment={c} parentTweetOwnerId={tweet?.userId} />
))}
<div ref={commentsSentinelRef} style={{ height: "1px" }} />
{isFetchingMoreComments && <Spinner />}
</div>
) : (
<div className="mx-empty mx-empty--sm">
<p className="mx-empty-sub">No replies yet. Be the first!</p>
</div>
);
})()}
</div>
</div>
);
}