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Monorepo for Tangled
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Svelte
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interface Props { thread: CommentThread; subjectUri: string; subjectCid?: string; markup: MarkupContext; onsubmitted?: (submitted: ThreadInput) => void; onedited?: (edited: ThreadInput) => void; ondeleted?: (uri: string) => void; }
let { thread, subjectUri, subjectCid, markup, onsubmitted, onedited, ondeleted }: Props = $props();
const auth = getAuth(); const currentUser = $derived(auth?.currentUser ?? null); const reporting = createReporting();
let replying = $state(false); let editingUri = $state<string | null>(null);
let reactionsByUri = $derived.by(() => { const map: Record<string, ReactionGroup[]> = {}; map[thread.self.uri] = thread.self.reactions ?? []; for (const reply of thread.replies) map[reply.uri] = reply.reactions ?? []; return map; });
const setReactions = (uri: string, next: ReactionGroup[]) => { reactionsByUri = { ...reactionsByUri, [uri]: next }; };
// kinds the viewer reacted with, mapped to their record's rkey so the picker can toggle const reactedMap = (uri: string): Map<ReactionKind, string> => new Map( (reactionsByUri[uri] ?? []) .filter((g) => g.isReacted && g.viewerRkey) .map((g) => [g.kind, g.viewerRkey!] as [ReactionKind, string]) );
const onReacted = (uri: string) => (kind: ReactionKind, rkey: string) => { const viewer = currentUser; if (!viewer) return; setReactions( uri, upsertViewerReaction(reactionsByUri[uri] ?? [], kind, viewer.handle, rkey) ); };
const onUnreacted = (uri: string) => (kind: ReactionKind) => { const viewer = currentUser; if (!viewer) return; setReactions( uri, (reactionsByUri[uri] ?? []) .map((g) => (g.kind === kind ? withoutViewerReaction(g, viewer.handle) : g)) .filter((g) => g.count > 0) ); };
const deleteSelected = createAction(async (comment: CommentView) => { if (!auth) return; const agent = await auth.agentFor(comment.authorDid as Did); const { uri } = await deleteComment(agent, comment.rkey); await awaitDeletedRecord(createBobbinClient({ serviceUrl: auth.bobbinUrl }), uri); ondeleted?.(comment.uri); });
const handleDelete = (comment: CommentView) => { if (deleteSelected.loading) return; if (!confirm("Delete this comment? This cannot be undone.")) return; void deleteSelected.run(comment); };</script>
{#snippet commentActions(comment: CommentView, noun: "comment" | "reply")} {#if currentUser} <div class="absolute top-4 right-4 flex items-center gap-2 opacity-0 transition group-hover:opacity-100 focus-within:opacity-100" > <ReactionPicker subjectUri={comment.uri} reacted={reactedMap(comment.uri)} onreacted={onReacted(comment.uri)} onunreacted={onUnreacted(comment.uri)} /> {#if auth?.hasAccount(comment.authorDid)} <Button variant="ghost" size="small" icon={Pencil} aria-label="Edit comment" class="text-foreground-muted hover:text-foreground-default" onclick={() => (editingUri = comment.uri)} /> <Button variant="ghost" size="small" icon={Trash2} aria-label="Delete comment" disabled={deleteSelected.loading && deleteSelected.args?.[0].uri === comment.uri} class="text-foreground-danger hover:text-foreground-danger-strong" onclick={() => handleDelete(comment)} /> {:else if reporting.canReport(comment.authorDid)} <MoreMenu group="comment-actions" label={`More actions for ${comment.authorHandle}'s ${noun}`} > <ReportItems subjectUri={comment.uri} subjectCid={comment.cid} subjectNoun={noun} authorDid={comment.authorDid} authorHandle={comment.authorHandle} /> </MoreMenu> {/if} </div> {/if}{/snippet}
{#snippet commentEditor( comment: CommentView, replyUri: string | undefined, replyCid: string | undefined)} <CommentEditor {subjectUri} {subjectCid} replyToUri={replyUri} replyToCid={replyCid} authorDid={comment.authorDid} authorHandle={comment.authorHandle} rkey={comment.rkey} createdAt={comment.createdAt} body={comment.body} {markup} rows={4} placeholder="Edit your comment. Markdown is supported." submitLabel="Save" submitIcon={Pencil} autofocus onsubmitted={(edited) => { editingUri = null; onedited?.(edited); }} oncancel={() => (editingUri = null)} />{/snippet}
{#snippet selfEditor()} {@render commentEditor(thread.self, undefined, undefined)}{/snippet}
<Card padding="none"> <div class="group relative"> <Comment authorHandle={thread.self.authorHandle} authorDid={thread.self.authorDid} createdAt={thread.self.createdAt} body={thread.self.body} bodyHtml={thread.self.bodyHtml} variant="top" deleted={thread.self.deleted} reactions={reactionsByUri[thread.self.uri]} subjectUri={thread.self.uri} onreactionschange={(next) => setReactions(thread.self.uri, next)} editor={editingUri === thread.self.uri ? selfEditor : undefined} /> {#if editingUri !== thread.self.uri && !thread.self.deleted} {@render commentActions(thread.self, "comment")} {/if} </div>
{#if thread.replies.length} <div class="ml-10"> {#each thread.replies as reply, i (reply.uri)} {#snippet replyEditor()} {@render commentEditor(reply, thread.self.uri, thread.self.cid)} {/snippet} <div class="group relative isolate -ml-4"> <!-- thread connector; on the last reply it stops at the avatar's centre (h-8) --> <div class={`pointer-events-none absolute top-0 left-4 -z-10 w-0.5 -translate-x-1 bg-border-default ${i === thread.replies.length - 1 ? "h-8" : "bottom-0"}`} ></div> <Comment authorHandle={reply.authorHandle} authorDid={reply.authorDid} createdAt={reply.createdAt} body={reply.body} bodyHtml={reply.bodyHtml} variant="reply" reactions={reactionsByUri[reply.uri]} subjectUri={reply.uri} onreactionschange={(next) => setReactions(reply.uri, next)} editor={editingUri === reply.uri ? replyEditor : undefined} /> {#if editingUri !== reply.uri} {@render commentActions(reply, "reply")} {/if} </div> {/each} </div> {/if}
{#if deleteSelected.error} <div class="border-t border-border-default px-6 py-2"> <ErrorAlert label={deleteSelected.error} /> </div> {/if}
{#if thread.self.deleted && !thread.self.cid} <!-- deleted parent with no recoverable strongRef; nothing to reply against --> {:else if replying && currentUser} <div class={thread.replies.length ? "border-t border-border-default" : ""}> <CommentBox variant="thread" {subjectUri} {subjectCid} replyToUri={thread.self.uri} replyToCid={thread.self.cid} authorDid={currentUser.did} authorHandle={currentUser.handle} {markup} autofocus onsubmitted={(submitted) => { replying = false; onsubmitted?.(submitted); }} oncancel={() => (replying = false)} /> </div> {:else} <div class={`flex items-center gap-2 bg-background-default/50 px-6 py-2 ${thread.replies.length ? "border-t border-border-default" : ""}`} > {#if currentUser} <button type="button" class="w-full cursor-text text-left text-foreground-muted focus:outline-none" onclick={() => (replying = true)} > Leave a reply... </button> {:else} <span class="text-foreground-muted"> <a href={resolve("/login")} class="underline">Login</a> to leave a reply </span> {/if} </div> {/if}</Card>