OptionalgidOptionalgroupseffective group ID list to use when checking executable mode flags on posix Defaults to process.getgroups()
OptionalignoreIgnore errors arising from attempting to get file access status Note that EACCES is always ignored, because that just means it's not executable. If this is not set, then attempting to check the executable-ness of a nonexistent file will raise ENOENT, for example.
OptionalpathThe ;-delimited path extension list for win32 implementation. Defaults to process.env.PATHEXT
Optionaluideffective uid when checking executable mode flags on posix Defaults to process.getuid()
effective gid when checking executable mode flags on posix Defaults to process.getgid()