From 5de7b24dc55fca3eb8fccc6fa30d3c2cd60b8184 Mon Sep 17 00:00:00 2001
From: absidue <48293849+absidue@users.noreply.github.com>
Date: Thu, 18 May 2023 19:41:21 +0200
Subject: [PATCH] perf(toDash): Speed up format filtering (#405)

---
 src/utils/FormatUtils.ts | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/src/utils/FormatUtils.ts b/src/utils/FormatUtils.ts
index a81ef42e..75c63950 100644
--- a/src/utils/FormatUtils.ts
+++ b/src/utils/FormatUtils.ts
@@ -249,22 +249,14 @@ class FormatUtils {
     if (!streaming_data)
       throw new InnertubeError('Streaming data not available');
 
-    let filtered_streaming_data;
+    let adaptive_formats;
 
     if (format_filter) {
-      filtered_streaming_data = {
-        formats: streaming_data.formats.filter((fmt: Format) => !(format_filter(fmt))),
-        adaptive_formats: streaming_data.adaptive_formats.filter((fmt: Format) => !(format_filter(fmt))),
-        expires: streaming_data.expires,
-        dash_manifest_url: streaming_data.dash_manifest_url,
-        hls_manifest_url: streaming_data.hls_manifest_url
-      };
+      adaptive_formats = streaming_data.adaptive_formats.filter((fmt: Format) => !(format_filter(fmt)));
     } else {
-      filtered_streaming_data = streaming_data;
+      adaptive_formats = streaming_data.adaptive_formats;
     }
 
-    const { adaptive_formats } = filtered_streaming_data;
-
     if (!adaptive_formats.length)
       throw new InnertubeError('No adaptive formats found');