From 8bc8c42e6abfb60ea5d155da7a0e1e2981862c19 Mon Sep 17 00:00:00 2001
From: Stefan Vukovic <stefanvukovic44@gmail.com>
Date: Thu, 1 Aug 2024 22:02:30 +0200
Subject: [PATCH] no duplicate urls

---
 ext/js/media/audio-downloader.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/ext/js/media/audio-downloader.js b/ext/js/media/audio-downloader.js
index 14f95eb444..eae46b20ae 100644
--- a/ext/js/media/audio-downloader.js
+++ b/ext/js/media/audio-downloader.js
@@ -192,8 +192,8 @@ export class AudioDownloader {
         const responseText = await response.text();
 
         const dom = this._createSimpleDOMParser(responseText);
-        /** @type {import('audio-downloader').Info[]} */
-        const results = [];
+        /** @type {Set<string>} */
+        const urls = new Set();
         for (const row of dom.getElementsByClassName('dc-result-row')) {
             try {
                 const audio = dom.getElementByTagName('audio', row);
@@ -207,12 +207,12 @@ export class AudioDownloader {
 
                 if (!this._validateLanguagePod101Row(language, dom, row, term, reading)) { continue; }
                 url = this._normalizeUrl(url, response.url);
-                results.push({type: 'url', url});
+                urls.add(url);
             } catch (e) {
                 // NOP
             }
         }
-        return results;
+        return [...urls].map((url) => ({type: 'url', url}));
     }
 
     /**