Function openSecureAppendFile

openSecureAppendFile(filePath: string, options: SecureAppendFileOptions): number
Open a secure owner-only append file without following symlinks.
Parameters
- filePath: string
  Absolute file path to open or create.
- options: SecureAppendFileOptions
  Permission and diagnostic options.
Returns number
File descriptor opened for append writes.

Throws
Error when the path is unsafe or cannot be opened securely.
- Defined in utils/secure-append-file.ts:101