Function appendFile

libs/platform/src/secure-fs.ts:269–279

(
  filePath: string,
  data: string | Buffer,
  encoding?: BufferEncoding
)

 * Wrapper around fs.appendFile that validates path first
 */
export async function appendFile(
  filePath: string,
  data: string | Buffer,
  encoding?: BufferEncoding
): Promise<void> {
  const validatedPath = validatePath(filePath);
  return executeWithRetry(
    () => fs.appendFile(validatedPath, data, encoding),
    `appendFile(${filePath})`
  );
}

/**
 * Wrapper around fs.rename that validates both paths first