update static method
Replaces an old file with a new uploaded file.
Deletes the existing file (if it exists) and saves the new file.
oldFileUrl
- The public URL of the file to replace.
newFile
- The UploadedFile object for the new file.
subdirectory
- Optional subdirectory for the new file.
Returns the public URL of the new file.
Implementation
static Future<String> update(String oldFileUrl, UploadedFile newFile,
{String subdirectory = ''}) async {
await delete(oldFileUrl);
return await create(newFile, subdirectory: subdirectory);
}