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af5e04f963
- fetchZapCount(eventId): fetches kind 9735 receipts for an event,
parses millisat amounts from embedded zap request description tags,
returns { count, totalSats }
- useZapCount hook: session-cached, same pattern as useReactionCount
- NoteCard: zap button shows "⚡ N sats" when total > 0, falls back
to "⚡ zap" when no zaps yet; stats row shown for logged-out users
displaying ♥ and ⚡ counts when non-zero
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
24 lines
579 B
TypeScript
24 lines
579 B
TypeScript
import { useEffect, useState } from "react";
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import { fetchZapCount } from "../lib/nostr";
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interface ZapData { count: number; totalSats: number; }
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const cache = new Map<string, ZapData>();
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export function useZapCount(eventId: string): ZapData | null {
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const [data, setData] = useState<ZapData | null>(() => cache.get(eventId) ?? null);
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useEffect(() => {
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if (cache.has(eventId)) {
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setData(cache.get(eventId)!);
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return;
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}
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fetchZapCount(eventId).then((d) => {
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cache.set(eventId, d);
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setData(d);
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});
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}, [eventId]);
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return data;
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}
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