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a84d439489
- Web bookmarks (kind:39701) are replaceable events and should be deduplicated by d-tag - Update dedupeNip51Events to include kind:39701 in d-tag deduplication logic - Use coordinate format (kind:pubkey:d-tag) for web bookmark IDs instead of event IDs - Ensures same URL bookmarked multiple times only appears once - Keeps newest version when duplicates exist
47 lines
1.5 KiB
TypeScript
47 lines
1.5 KiB
TypeScript
export interface NostrEvent {
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id: string
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kind: number
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created_at: number
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tags: string[][]
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content: string
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pubkey: string
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sig: string
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}
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export function dedupeNip51Events(events: NostrEvent[]): NostrEvent[] {
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const byId = new Map<string, NostrEvent>()
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for (const e of events) {
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if (e?.id && !byId.has(e.id)) byId.set(e.id, e)
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}
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const unique = Array.from(byId.values())
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const bookmarkLists = unique
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.filter(e => e.kind === 10003 || e.kind === 30003 || e.kind === 30001)
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.sort((a, b) => (b.created_at || 0) - (a.created_at || 0))
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const latestBookmarkList = bookmarkLists.find(list => !list.tags?.some((t: string[]) => t[0] === 'd'))
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// Deduplicate replaceable events (kind:30003, 30001, 39701) by d-tag
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const byD = new Map<string, NostrEvent>()
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for (const e of unique) {
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if (e.kind === 10003 || e.kind === 30003 || e.kind === 30001 || e.kind === 39701) {
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const d = (e.tags || []).find((t: string[]) => t[0] === 'd')?.[1] || ''
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const prev = byD.get(d)
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if (!prev || (e.created_at || 0) > (prev.created_at || 0)) byD.set(d, e)
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}
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}
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// Separate web bookmarks from bookmark sets/lists
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const allReplaceable = Array.from(byD.values())
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const webBookmarks = allReplaceable.filter(e => e.kind === 39701)
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const setsAndNamedLists = allReplaceable.filter(e => e.kind !== 39701)
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const out: NostrEvent[] = []
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if (latestBookmarkList) out.push(latestBookmarkList)
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out.push(...setsAndNamedLists)
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// Add deduplicated web bookmarks as individual events
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out.push(...webBookmarks)
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return out
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}
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