Create search index cache and return more meta

src/manager.js

@@ -45,11 +45,7 @@ export class ZimManager {
 		let reader;
 		try {
 			reader = await new ZimReader(filepath).open();
-			return {
-				name: await reader.metadata('Name'),
-				date: await reader.metadata('Date'),
-				title: await reader.metadata('Title'),
-			};
+			return await reader.metadata();
 		} catch {
 			return null;
 		} finally {
@@ -59,7 +55,7 @@ export class ZimManager {
 
 	async #update(name, catalogEntry, localMatch, force) {
 		const remoteDate = catalogEntry.updated ? new Date(catalogEntry.updated) : null;
-		const localDate = localMatch?.meta?.date ? new Date(localMatch.meta.date) : null;
+		const localDate = localMatch?.meta?.updated ?? null;
 		if (!force && localMatch && remoteDate && localDate && remoteDate <= localDate)
 			return {name, status: 'skipped', reason: 'up to date'};
 		if (!catalogEntry.href) return {name, status: 'skipped', reason: 'missing download link'};
@@ -67,7 +63,7 @@ export class ZimManager {
 		const filename = path.basename(new URL(catalogEntry.href).pathname).replace(/\.meta4$/i, '');
 		const destPath = path.join(this.#dir, filename);
 		await this.#download(catalogEntry.href, destPath);
-		if (localMatch && localMatch.file !== destPath) await fs.promises.unlink(localMatch.file).catch(() => {});
+		if (localMatch && localMatch.file !== destPath) await new ZimReader(localMatch.file).delete().catch(() => {});
 		return {name, status: 'updated', file: destPath};
 	}
 
@@ -88,7 +84,7 @@ export class ZimManager {
 
 	async delete(fileOrName) {
 		const file = await this.#resolveFile(fileOrName);
-		await fs.promises.unlink(file);
+		await new ZimReader(file).delete();
 		return {file, status: 'deleted'};
 	}
 
@@ -99,7 +95,7 @@ export class ZimManager {
 		const catalogEntry = await zimCatalog(meta.name, this.#catalog);
 		if (!catalogEntry) return {file, upToDate: null, reason: 'missing from catalog'};
 		const remoteDate = catalogEntry.updated ? new Date(catalogEntry.updated) : null;
-		const localDate = meta.date ? new Date(meta.date) : null;
+		const localDate = meta.updated ?? null;
 		return {file, name: meta.name, upToDate: !!(remoteDate && localDate && remoteDate <= localDate), localDate, remoteDate};
 	}
 
@@ -153,7 +149,7 @@ export class ZimManager {
 	}
 
 	/** Fuzzy-searches titles across every local ZIM in the library, merging & re-ranking hits by score. */
-	async search(terms, {limit = 10, htmlOnly = true} = {}) {
+	async search(terms, {limit = 20, htmlOnly = true} = {}) {
 		const local = await this.list();
 		const perZim = await Promise.all(local.map(async ({file, meta}) => {
 			let reader;