@nostr-dev-kit/ndk-svelte/dist/index.svelte.js

This package provides convenience functionalities to make usage of NDK with Svelte nicer.

// src/index.svelte.ts
import NDK from "@nostr-dev-kit/ndk";
import { onDestroy } from "svelte";
var NDKSvelte = class extends NDK {
  /**
   * Subscribes to NDK events and returns a reactive list of events.
   * Automatically cleans up the subscription when no longer needed.
   */
  $subscribe = (filters, opts, klass) => {
    const eventList = $state([]);
    const eventMap = /* @__PURE__ */ new Map();
    const processEvent = (event) => {
      let e = event;
      if (klass) {
        const convertedEvent = klass.from(event);
        if (!convertedEvent) return;
        e = convertedEvent;
        e.relay = event.relay;
      }
      const dedupKey = e.deduplicationKey();
      if (eventMap.has(dedupKey)) {
        const existingEvent = eventMap.get(dedupKey);
        if (existingEvent.created_at >= e.created_at) return;
      }
      const isDeleted = e.isParamReplaceable() && e.hasTag("deleted");
      eventMap.set(dedupKey, e);
      if (isDeleted && opts?.skipDeleted !== false) {
        const index = eventList.findIndex((event2) => event2.deduplicationKey() === dedupKey);
        if (index !== -1) {
          eventList.splice(index, 1);
        }
        return;
      }
      const pos = eventList.findIndex((event2) => event2.created_at < e.created_at);
      eventList.splice(pos, 0, e);
    };
    const subscription = this.subscribe(
      Array.isArray(filters) ? filters : [filters],
      opts,
      // opts already contains relaySet if it was passed
      // opts?.relaySet, // Removed: Passed via opts
      false
      // autoStart = false
    );
    subscription.on("event", (event, relay) => {
      processEvent(event);
      if (opts?.onEvent) opts.onEvent(event, relay);
    });
    subscription.on("eose", () => {
      if (opts?.onEose) opts.onEose();
    });
    subscription.start();
    onDestroy(() => {
      subscription.stop();
    });
    eventList.unsubscribe = () => subscription.stop();
    return eventList;
  };
};
var index_svelte_default = NDKSvelte;
export {
  index_svelte_default as default
};