Test whether a path exists on the filesystem.
APACHE-2.0 License
Node.js: extra methods for the fs object like copy(), remove(), mkdirs()
A completely async and better file system than node's internal fs module.
Boolean.
Test if an object's own property is readable and writable.
Test if an object's own property is writable.
Read the entire contents of a file.
Test if a value is a ReferenceError object.
Test if two arguments have the same native class.
Returns true if a windows file path does not contain any invalid characters.
Regular expression to detect an extended-length path.