From 97e7f639061ea9d034b4cb7e85e02275c882f2e2 Mon Sep 17 00:00:00 2001
From: Gajus Kuizinas <gajus@gajus.com>
Date: Wed, 7 Sep 2016 19:39:25 +0100
Subject: [PATCH 1/3] feat: short-circuit normalization if UNC

---
 lib/normalize.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/normalize.js b/lib/normalize.js
index 04726d0..7606020 100644
--- a/lib/normalize.js
+++ b/lib/normalize.js
@@ -1,3 +1,4 @@
+var doubleSlackUNCRegExp = /^\\\\/;
 var doubleSlashWinRegExp = /\\+/g;
 var doubleSlashNixRegExp = /\/+/g;
 var currentDirectoryWinMiddleRegExp = /\\(\.\\)+/;
@@ -34,5 +35,9 @@ module.exports = function normalize(path) {
 	path = path.replace(parentDirectoryNixEndRegExp2, "");
 	path = path.replace(parentDirectoryNixEndRegExp3, "/");
 
+	if (doubleSlackUNCRegExp.test(path)) {
+		return path;
+	}
+
 	return path.replace(doubleSlashWinRegExp, "\\").replace(doubleSlashNixRegExp, "/");
 };
\ No newline at end of file

From 5f318767b001dd0733e24dae8e39032eec605b2d Mon Sep 17 00:00:00 2001
From: Gajus Kuizinas <gajus@gajus.com>
Date: Wed, 7 Sep 2016 19:39:50 +0100
Subject: [PATCH 2/3] feat: make pathToArray handle UNC

---
 lib/MemoryFileSystem.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/MemoryFileSystem.js b/lib/MemoryFileSystem.js
index abfe803..94d06ab 100644
--- a/lib/MemoryFileSystem.js
+++ b/lib/MemoryFileSystem.js
@@ -38,8 +38,16 @@ function isFile(item) {
 
 function pathToArray(path) {
 	path = normalize(path);
+
+	var UNC = /^\\\\/.test(path);
 	var nix = /^\//.test(path);
-	if(!nix) {
+
+	if(UNC) {
+		path = path.slice(2);
+		path = path.replace(/[\\\/]+/g, "\\");
+		path = path.split(/[\\\/]/);
+		path[0] = '\\\\' + path[0];
+	} else if(!nix) {
 		if(!/^[A-Za-z]:/.test(path)) {
 			throw new MemoryFileSystemError(errors.code.EINVAL, path);
 		}

From 6fb1ecec62e5f634cbcfb17413430882f7fb6278 Mon Sep 17 00:00:00 2001
From: Gajus Kuizinas <gajus@gajus.com>
Date: Wed, 7 Sep 2016 19:40:04 +0100
Subject: [PATCH 3/3] test: add a test case for pathToArray UNC

---
 test/MemoryFileSystem.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/MemoryFileSystem.js b/test/MemoryFileSystem.js
index d11d889..5fc4611 100644
--- a/test/MemoryFileSystem.js
+++ b/test/MemoryFileSystem.js
@@ -341,6 +341,7 @@ describe("pathToArray", function() {
 		fs.pathToArray("/a/b/c").should.be.eql(["a", "b", "c"]);
 		fs.pathToArray("C:/a/b").should.be.eql(["C:", "a", "b"]);
 		fs.pathToArray("C:\\a\\b").should.be.eql(["C:", "a", "b"]);
+		fs.pathToArray("\\\\a\\b\\c").should.be.eql(["\\\\a", "b", "c"]);
 	});
 	it("should fail on invalid paths", function() {
 		(function() {