method promises.FileHandle.datasync
Jump to headingFileHandle.datasync(): Promise<void>Forces all currently queued I/O operations associated with the file to the
operating system's synchronized I/O completion state. Refer to the POSIX fdatasync(2) documentation for details.
Unlike filehandle.sync this method does not flush modified metadata.
Return Type Jump to heading
Promise<void>Fulfills with undefined upon success.