From 7a2f17bfe9399a1d5714a9a98527d9f788417130 Mon Sep 17 00:00:00 2001
From: ztimson <zaktimson@gmail.com>
Date: Tue, 25 Aug 2026 00:42:59 -0400
Subject: [PATCH] Use kiwix search completely, no fuzzy ranking

---
 package.json  |  2 +-
 src/server.js | 26 ++++++++------------------
 src/utils.js  |  7 -------
 3 files changed, 9 insertions(+), 26 deletions(-)

diff --git a/package.json b/package.json
index 85797ac..fde6432 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@ztimson/zim-utils",
-	"version": "0.3.2",
+	"version": "0.3.3",
 	"description": "Native, dependency-light ZIM archive reader/searcher and Kiwix catalog downloader for Node.js",
 	"author": "Zak Timson",
 	"license": "MIT",
diff --git a/src/server.js b/src/server.js
index 9e742bc..38565bb 100644
--- a/src/server.js
+++ b/src/server.js
@@ -6,8 +6,7 @@ import net from 'node:net';
 import fs from 'node:fs';
 import path from 'node:path';
 import {fileURLToPath} from 'node:url';
-import {decodeHtml, fromXml} from '@ztimson/utils';
-import {fuzzyMatch, weightedScore} from './utils.js';
+import {fromXml} from '@ztimson/utils';
 
 const execFileAsync = promisify(execFile);
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
@@ -180,30 +179,23 @@ export class KiwixServer {
 		return {mimetype: res.headers.get('content-type'), data: Buffer.from(await res.arrayBuffer())};
 	}
 
-	/**
-	 * Two-pass fulltext search across every local ZIM: xapian prefilter (kiwix-serve's
-	 * own index), then fuzzy-reranked by title so the strongest matches surface first.
-	 * Returns a flat array matching the catalog/list shape: {id, title, name, category, ..., href, score}
-	 */
+	/** Fulltext search across every local ZIM via kiwix-serve's own xapian index */
 	async search(terms, limit = 20) {
 		this.#assertRunning();
-		const termList = String(terms).split(',').map(t => t.trim()).filter(Boolean);
+		const termList = String(terms).split(/[,\s]+/).map(t => t.trim()).filter(Boolean);
 		if (!termList.length) return [];
 
 		const params = new URLSearchParams({pattern: termList.join(' '), format: 'xml', pageLength: String(limit)});
 		const res = await fetch(`${this.baseUrl}/search?${params}`);
 		if (!res.ok) return [];
 
-		const xml = await res.text();
-		let found = fromXml(xml);
-		found = found?.rss?.channel?.item || [];
-
+		const found = fromXml(await res.text())?.rss?.channel?.item || [];
 		const books = await this.list();
 		const bookMap = new Map(books.map(b => [b.title, b]));
 
-		const enriched = found.map(hit => {
+		return found.map(hit => {
 			const book = bookMap.get(hit.book.title);
-			if(!book) return null;
+			if (!book) return null;
 			const prefix = `/content/${book.href}/`;
 			const page = hit.link.startsWith(prefix) ? hit.link.slice(prefix.length) : hit.link.replace(/^\/+/, '');
 			return {
@@ -216,10 +208,8 @@ export class KiwixServer {
 				icon: book.icon,
 				viewer: this.baseUrl + hit.link,
 				summary: hit.description,
-				score: weightedScore(hit.title, termList) + weightedScore(hit.description, termList),
+				score: +hit.score || 0,
 			};
-		}).filter(hit => !!hit && hit.score > 0);
-
-		return enriched.toSorted((a, b) => b.score - a.score).slice(0, limit);
+		}).filter(Boolean);
 	}
 }
diff --git a/src/utils.js b/src/utils.js
index d58ca33..341c5bb 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -40,10 +40,3 @@ export function fuzzyMatch(target, ...terms) {
 		similarities,
 	};
 }
-
-export function weightedScore(text, termList) {
-	if (!text) return 0;
-	const covered = termList.reduce((sum, t) => sum + t.length, 0);
-	const coverage = Math.min(1, covered / text.length);
-	return fuzzyMatch(text, ...termList).max * coverage;
-}