Optional
keepspecify whether or not to preserve the relative leading dotslash ("./") directory specifier?
here is what you would get for each of the following input values, based on how you configure this setting:
input = "././//../a/./././b.txt"
true
: ".//a/./././b.txt"
false
: "/a/./././b.txt"
input = "./././././"
true
: "./"
false
: ""
input = "a/b.txt/././../././"
true
: "a"
false
: "a"
input = "/./././/a/b.txt"
true
: "//a/b.txt"
false
: "//a/b.txt"
config options for normalizePosixPath and normalizePath