The EventEmitter class is defined and exposed by the events module:

Determines the common path from a set of paths, using an optional separator, which defaults to the OS default separator.

Generate a regex based on glob pattern and options This was meant to be using the the fs.walk function but can be used anywhere else. Examples:

Test whether the given string is a glob

Like join(), but doesn't collapse "**/.." when globstar is true.

Like normalize(), but doesn't collapse "**/.." when globstar is true.

A parsed path object generated by path.parse() or consumed by path.format().