15 lines
427 B
TypeScript
15 lines
427 B
TypeScript
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import type { SignedEvent } from './types.ts'
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export function dedupByDtag(events: SignedEvent[]): SignedEvent[] {
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const byDtag = new Map<string, SignedEvent>()
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for (const ev of events) {
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const d = ev.tags.find((t) => t[0] === 'd')?.[1]
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if (!d) continue
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const existing = byDtag.get(d)
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if (!existing || ev.created_at > existing.created_at) {
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byDtag.set(d, ev)
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}
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}
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return [...byDtag.values()]
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}
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