Fixed issue with empty path causing no files to be found.

Author: neogeek

lib/utils.js

@@ -62,7 +62,7 @@ const findPackageFileInPath = input => {
  */
 
 const formatPathsArrayToIgnore = paths =>
-    paths.map(path => `!${path.replace(/^!/u, '')}`);
+    paths.filter(path => path).map(path => `!${path.replace(/^!/u, '')}`);
 
 /**
  * Sets default configuration values.