refactor: add download file method

src/utils/url.ts

@@ -18,3 +18,20 @@ export function getRegistryURL(): string {
   // Don't add slash if it's not a sub directory
   return `${location.origin}${location.pathname === '/' ? '' : location.pathname}`;
 }
+
+export function extractFileName(url: string): string {
+  return url.substring(url.lastIndexOf('/') + 1);
+}
+
+export function downloadFile(fileStream: Blob, fileName: string): void {
+  const file = new File([fileStream], fileName, { type: 'application/octet-stream', lastModified: Date.now() });
+  const objectURL = URL.createObjectURL(file);
+  const fileLink = document.createElement('a');
+  fileLink.href = objectURL;
+  fileLink.download = fileName;
+  fileLink.click();
+  // firefox requires remove the object url
+  setTimeout(() => {
+    URL.revokeObjectURL(objectURL);
+  }, 150);
+}