From ea873e38b1962b5ee06f510f5869248c85a601dc Mon Sep 17 00:00:00 2001
From: Koichi Yamamoto <koichi.yamamoto@smartnews.com>
Date: Sun, 23 Apr 2023 16:37:02 +0900
Subject: [PATCH] feat: Add support for chapter thumbnails

---
 lib/info-extras.js | 1 +
 typings/index.d.ts | 1 +
 2 files changed, 2 insertions(+)

diff --git a/lib/info-extras.js b/lib/info-extras.js
index e735a4a8..9927efea 100644
--- a/lib/info-extras.js
+++ b/lib/info-extras.js
@@ -361,5 +361,6 @@ exports.getChapters = info => {
   return chapters.map(chapter => ({
     title: getText(chapter.chapterRenderer.title),
     start_time: chapter.chapterRenderer.timeRangeStartMillis / 1000,
+    thumbnails: chapter.chapterRenderer.thumbnail && chapter.chapterRenderer.thumbnail.thumbnails,
   }));
 };
diff --git a/typings/index.d.ts b/typings/index.d.ts
index dd9e8d4d..11aa1da0 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -226,6 +226,7 @@ declare module 'ytdl-core' {
     interface Chapter {
       title: string;
       start_time: number;
+      thumbnails: thumbnail[];
     }
 
     interface MoreVideoDetails extends Omit<VideoDetails, 'author' | 'thumbnail' | 'shortDescription'>, Omit<MicroformatRenderer, 'title' | 'description'> {