fix lint

src/services/player.ts

@@ -665,18 +665,24 @@ export default class {
     }
   }
 
-  private async createReadStream(options: {url: string; cacheKey: string; ffmpegInputOptions?: string[]; cache?: boolean; volumeAdjustment?: string}): Promise<Readable> {
+  private async createReadStream(options: { 
+    url: string; 
+    cacheKey: string; 
+    ffmpegInputOptions?: string[]; 
+    cache?: boolean; 
+    volumeAdjustment?: string;
+  }): Promise<Readable> {
     return new Promise((resolve, reject) => {
       const capacitor = new WriteStream();
-
+      let hasReturnedStreamClosed = false;
+
       if (options?.cache) {
         const cacheStream = this.fileCache.createWriteStream(this.getHashForCache(options.cacheKey));
-        capacitor.createReadStream().pipe(cacheStream);
+        capacitor.createReadStream()?.pipe(cacheStream);
       }
-
+  
       const returnedStream = capacitor.createReadStream();
-      let hasReturnedStreamClosed = false;
-
+
       const stream = ffmpeg(options.url)
         .inputOptions(options?.ffmpegInputOptions ?? ['-re'])
         .noVideo()
@@ -689,19 +695,18 @@ export default class {
           }
         })
         .on('start', command => {
-          debug(`Spawned ffmpeg with ${command as string}`);
+          debug(`Spawned ffmpeg with ${command}`);
         });
-
+  
       stream.pipe(capacitor);
-
+  
       returnedStream.on('close', () => {
-        if (!options.cache) {
+        if (!options?.cache) {
           stream.kill('SIGKILL');
         }
-
         hasReturnedStreamClosed = true;
       });
-
+  
       resolve(returnedStream);
     });
   }