From 173aec65f5189e9e142d63507f0de763c8bc29dc Mon Sep 17 00:00:00 2001
From: Patrick Kan <55383971+patrickkfkan@users.noreply.github.com>
Date: Mon, 29 Aug 2022 02:50:00 +0800
Subject: [PATCH] fix: `Music#Artist`parse err if missing shelves (#155)

---
 src/parser/ytmusic/Artist.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/parser/ytmusic/Artist.ts b/src/parser/ytmusic/Artist.ts
index 7491e983..c33137c3 100644
--- a/src/parser/ytmusic/Artist.ts
+++ b/src/parser/ytmusic/Artist.ts
@@ -20,8 +20,8 @@ class Artist {
 
     this.header = this.page.header.item().as(MusicImmersiveHeader);
 
-    const music_shelf = this.#page.contents_memo.get('MusicShelf') as MusicShelf[];
-    const music_carousel_shelf = this.#page.contents_memo.get('MusicCarouselShelf') as MusicCarouselShelf[];
+    const music_shelf = this.#page.contents_memo.get('MusicShelf') as MusicShelf[] || [];
+    const music_carousel_shelf = this.#page.contents_memo.get('MusicCarouselShelf') as MusicCarouselShelf[] || [];
 
     this.sections = [ ...music_shelf, ...music_carousel_shelf ];
   }