ERR_INVALID_CALLBACK when logfile is deleted

[rafipiccolo]

Hello, i have an exception with the code from readme when logfile get deleted.

#> node --version v10.15.1 #> node tail.js got line: aaa got line: abc fs.js:137 throw new ERR_INVALID_CALLBACK(); ^

TypeError [ERR_INVALID_CALLBACK]: Callback must be a function at makeCallback (fs.js:137:11) at Object.close (fs.js:395:20) at next (/root/scripts/logpusher/node_modules/always-tail/index.js:27:12) at /root/scripts/logpusher/node_modules/always-tail/index.js:52:31 at FSReqWrap.oncomplete (fs.js:155:5)

[vrybdpkt]

There is a pull that covers that

https://github.com/jandre/always-tail/pull/16/files