Added URL to properties in music object (#280)

* Added URL endpoints to licensed music object

* Added URL info to properties in music object

* Added URL to properties in music object

* Added URL support for the Video Music properties with typings

* Added URL to music properties in YoutubeVideo

* Fixed Typings

* Added footnote to music property

play-dl/YouTube/classes/Video.ts

@@ -1,14 +1,24 @@
 import { YouTubeChannel } from './Channel';
 import { YouTubeThumbnail } from './Thumbnail';
 
+/**
+ * Licensed music in the video
+ * 
+ * The property names change depending on your region's language.
+ */
 interface VideoMusic {
-    song?: string;
+    song?: string | MusicEntry;
-    artist?: string;
+    artist?: string | MusicEntry;
     album?: string;
     writers?: string;
     license?: string;
 }
 
+interface MusicEntry {
+    text?: string;
+    url?: string;
+}
+
 interface VideoOptions {
     /**
      * YouTube Video ID
@@ -80,6 +90,8 @@ interface VideoOptions {
     discretionAdvised?: boolean;
     /**
      * Gives info about music content in that video.
+     * 
+     * The property names of VideoMusic change depending on your region's language.
      */
     music?: VideoMusic[];
     /**

play-dl/YouTube/utils/extractor.ts

@@ -223,10 +223,11 @@ export async function video_basic_info(url: string, options: InfoOptions = {}):
 
             const title = row.title.simpleText ?? row.title.runs[0].text;
             const contents = row.contents[0].simpleText ?? row.contents[0]?.runs?.[0]?.text;
+            const url = row.contents[0]?.runs?.[0]?.navigationEndpoint?.commandMetadata?.webCommandMetadata.url;
 
             if (music.length === 0) music.push({});
 
-            music[music.length - 1][title.toLowerCase()] = contents;
+            music[music.length - 1][title.toLowerCase()] = url ? {text: contents, url: `https://www.youtube.com${url}`} : contents;
 
             if (row.hasDividerLine) music.push({});
         });