feat: 分享内容稿件

src/utils/tools.ts

@@ -265,3 +265,19 @@ export const formatUploadSpeed = (bytesPerSecond: number): string => {
     return `${(bytesPerSecond / (1024 * 1024)).toFixed(2)} MB/s`;
   }
 };
+
+ export function convertVideoUrlToCoverUrl(videoUrl: string): string {
+  if (!videoUrl || typeof videoUrl !== 'string') {
+    console.error('Invalid video URL');
+    return '';
+  }
+
+  const urlWithCovers = videoUrl.replace('/videos/', '/covers/');
+
+  const lastDotIndex = urlWithCovers.lastIndexOf('.');
+  if (lastDotIndex !== -1) {
+    return urlWithCovers.substring(0, lastDotIndex) + '.jpg';
+  }
+
+  return urlWithCovers + '.jpg';
+}