From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 8 Nov 2018 00:38:48 +0800
Subject: switch to vuepress

---
 node_modules/memory-fs/lib/normalize.js | 86 +++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 node_modules/memory-fs/lib/normalize.js

(limited to 'node_modules/memory-fs/lib/normalize.js')

diff --git a/node_modules/memory-fs/lib/normalize.js b/node_modules/memory-fs/lib/normalize.js
new file mode 100644
index 00000000..72c3df06
--- /dev/null
+++ b/node_modules/memory-fs/lib/normalize.js
@@ -0,0 +1,86 @@
+module.exports = function normalize(path) {
+	var parts = path.split(/(\\+|\/+)/);
+	if(parts.length === 1)
+		return path;
+	var result = [];
+	var absolutePathStart = 0;
+	for(var i = 0, sep = false; i < parts.length; i++, sep = !sep) {
+		var part = parts[i];
+		if(i === 0 && /^([A-Z]:)?$/i.test(part)) {
+			result.push(part);
+			absolutePathStart = 2;
+		} else if(sep) {
+			result.push(part[0]);
+		} else if(part === "..") {
+			switch(result.length) {
+				case 0:
+					// i. e. ".." => ".."
+					// i. e. "../a/b/c" => "../a/b/c"
+					result.push(part);
+					break;
+				case 2:
+					// i. e. "a/.." => ""
+					// i. e. "/.." => "/"
+					// i. e. "C:\.." => "C:\"
+					// i. e. "a/../b/c" => "b/c"
+					// i. e. "/../b/c" => "/b/c"
+					// i. e. "C:\..\a\b\c" => "C:\a\b\c"
+					i++;
+					sep = !sep;
+					result.length = absolutePathStart;
+					break;
+				case 4:
+					// i. e. "a/b/.." => "a"
+					// i. e. "/a/.." => "/"
+					// i. e. "C:\a\.." => "C:\"
+					// i. e. "/a/../b/c" => "/b/c"
+					if(absolutePathStart === 0) {
+						result.length -= 3;
+					} else {
+						i++;
+						sep = !sep;
+						result.length = 2;
+					}
+					break;
+				default:
+					// i. e. "/a/b/.." => "/a"
+					// i. e. "/a/b/../c" => "/a/c"
+					result.length -= 3;
+					break;
+			}
+		} else if(part === ".") {
+			switch(result.length) {
+				case 0:
+					// i. e. "." => "."
+					// i. e. "./a/b/c" => "./a/b/c"
+					result.push(part);
+					break;
+				case 2:
+					// i. e. "a/." => "a"
+					// i. e. "/." => "/"
+					// i. e. "C:\." => "C:\"
+					// i. e. "C:\.\a\b\c" => "C:\a\b\c"
+					if(absolutePathStart === 0) {
+						result.length--;
+					} else {
+						i++;
+						sep = !sep;
+					}
+					break;
+				default:
+					// i. e. "a/b/." => "a/b"
+					// i. e. "/a/." => "/"
+					// i. e. "C:\a\." => "C:\"
+					// i. e. "a/./b/c" => "a/b/c"
+					// i. e. "/a/./b/c" => "/a/b/c"
+					result.length--;
+					break;
+			}
+		} else if(part) {
+			result.push(part);
+		}
+	}
+	if(result.length === 1 && /^[A-Za-z]:$/.test(result))
+		return result[0] + "\\";
+	return result.join("");
+};
-- 
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