60 lines
1.6 KiB
TypeScript
60 lines
1.6 KiB
TypeScript
import { CachedMetadata, NostrEvent } from "@snort/system";
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import Fuse from "fuse.js";
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export type FuzzySearchResult = {
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pubkey: string;
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name?: string;
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display_name?: string;
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nip05?: string;
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};
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const fuzzySearch = new Fuse<FuzzySearchResult>([], {
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keys: ["name", "display_name", { name: "nip05", weight: 0.5 }],
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threshold: 0.3,
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// sortFn here?
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});
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const profileTimestamps = new Map<string, number>(); // is this somewhere in cache?
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export const addEventToFuzzySearch = (ev: NostrEvent) => {
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if (ev.kind !== 0) {
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return;
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}
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queueMicrotask(() => {
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const existing = profileTimestamps.get(ev.pubkey);
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if (existing) {
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if (existing > ev.created_at) {
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return;
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}
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// for some reason we get duplicates even though this should be removing existing profile on update
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fuzzySearch.remove(doc => doc.pubkey === ev.pubkey);
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}
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profileTimestamps.set(ev.pubkey, ev.created_at);
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try {
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const data = JSON.parse(ev.content);
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if (ev.pubkey && (data.name || data.display_name || data.nip05)) {
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data.pubkey = ev.pubkey;
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fuzzySearch.add(data);
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}
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} catch (e) {
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console.error(e);
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}
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});
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};
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export const addCachedMetadataToFuzzySearch = (profile: CachedMetadata) => {
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const existing = profileTimestamps.get(profile.pubkey);
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if (existing) {
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if (existing > profile.created) {
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return;
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}
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fuzzySearch.remove(doc => doc.pubkey === profile.pubkey);
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}
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profileTimestamps.set(profile.pubkey, profile.created);
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if (profile.pubkey && (profile.name || profile.display_name || profile.nip05)) {
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fuzzySearch.add(profile);
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}
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};
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export default fuzzySearch;
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