Make query optimizer pluggable

packages/app/src/index.tsx

@@ -2,14 +2,14 @@ import "./index.css";
 import "@szhsin/react-menu/dist/index.css";
 import "./fonts/inter.css";
 
-import {default as wasmInit} from "@snort/system-query";
+import { compress, expand_filter, flat_merge, get_diff, default as wasmInit } from "@snort/system-query";
 import WasmPath from "@snort/system-query/pkg/system_query_bg.wasm";
 
 import { StrictMode } from "react";
 import * as ReactDOM from "react-dom/client";
 import { Provider } from "react-redux";
 import { createBrowserRouter, RouterProvider } from "react-router-dom";
-import { EventPublisher, NostrSystem, ProfileLoaderService, Nip7Signer, PowWorker } from "@snort/system";
+import { EventPublisher, NostrSystem, ProfileLoaderService, Nip7Signer, PowWorker, QueryOptimizer, FlatReqFilter, ReqFilter } from "@snort/system";
 import { SnortContext } from "@snort/system-react";
 
 import * as serviceWorkerRegistration from "serviceWorkerRegistration";
@@ -39,6 +39,21 @@ import { db } from "Db";
 import { preload, RelayMetrics, UserCache, UserRelays } from "Cache";
 import { LoginStore } from "Login";
 
+const WasmQueryOptimizer = {
+  expandFilter: (f: ReqFilter) => {
+    return expand_filter(f) as Array<FlatReqFilter>;
+  },
+  getDiff: (prev: Array<ReqFilter>, next: Array<ReqFilter>) => {
+    return get_diff(prev, next) as Array<FlatReqFilter>;
+  },
+  flatMerge: (all: Array<FlatReqFilter>) => {
+    return flat_merge(all) as Array<ReqFilter>;
+  },
+  compress: (all: Array<ReqFilter>) => {
+    return compress(all) as Array<ReqFilter>;
+  }
+} as QueryOptimizer;
+
 /**
  * Singleton nostr system
  */
@@ -46,6 +61,7 @@ export const System = new NostrSystem({
   relayCache: UserRelays,
   profileCache: UserCache,
   relayMetrics: RelayMetrics,
+  queryOptimizer: WasmQueryOptimizer,
   authHandler: async (c, r) => {
     const { publicKey, privateKey } = LoginStore.snapshot();
     if (privateKey) {