From c7b82e6a40b93378ac377218d32c89c1be6013ad Mon Sep 17 00:00:00 2001
From: absidue <48293849+absidue@users.noreply.github.com>
Date: Thu, 30 Dec 2021 17:24:38 +0100
Subject: [PATCH] Minor seeking performance optimisation

---
 play-dl/YouTube/classes/WebmSeeker.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/play-dl/YouTube/classes/WebmSeeker.ts b/play-dl/YouTube/classes/WebmSeeker.ts
index d578274..efef00b 100644
--- a/play-dl/YouTube/classes/WebmSeeker.ts
+++ b/play-dl/YouTube/classes/WebmSeeker.ts
@@ -18,6 +18,8 @@ interface WebmSeekerOptions extends DuplexOptions {
     mode?: 'precise' | 'granular';
 }
 
+const WEB_ELEMENT_KEYS = Object.keys(WebmElements);
+
 export class WebmSeeker extends Duplex {
     remaining?: Buffer;
     state: WebmSeekerState;
@@ -211,7 +213,7 @@ export class WebmSeeker extends Duplex {
     }
 
     private parseEbmlID(ebmlID: string) {
-        if (Object.keys(WebmElements).includes(ebmlID)) return WebmElements[ebmlID];
+        if (WEB_ELEMENT_KEYS.includes(ebmlID)) return WebmElements[ebmlID];
         else return false;
     }