This is a huge major release in which this module was essentially completely re-written. This version introduces some breaking changes and major new features. Please read the release notes below carefully.

Now requires at least Node v10.0.0
Code re-written in ES2018 code
Now supports a hybrid Promise/Callback API (supports async/await)
Now properly supports TCP/UNIX Domain socket communication to local or remote clamav services (with optional fallback to local binary via child process).
Added new scan_stream method which allows you to pass an input stream.
Added new get_version method which allows you to check the version of ClamAV that you'll be communicating with.
Added new passthrough method which allows you to pipe a stream "through" the clamscan module and on to another destination (ex. S3).
Added new alias scan_file that points to is_infected.
In order to provide the name of any viruses found, a new standard viruses array is now be provided to the callback for:
- is_infected & scan_file methods (callback format: (err, file, is_infected, viruses) => { ... }).
- scan_files method (callback format: (err, good_files, bad_files, error_files, viruses) => { ... }).
- scan_dir method (callback format: (err, good_files, bad_files, viruses) => { ... }).
In all cases, the viruses parameter will be an empty array on error or when no viruses are found.
scan_files now has another additional parameter in its callback:
- error_files: An object keyed by the filenames that presented errors while scanning. The value of those keys will be the error message for that file.
Introduces new API to instantiate the module (NOTE: The old way will no longer work! See below for more info).