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Improve path module slightly:

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1. Provide a switch to tell it to not remove empty path parts when
   normalizing.
2. Correct the handling of some edge cases when you have lots of dots and
   empty bits, such as paths like "././/./..//." and so on.
This commit is contained in:
isaacs 2010-01-03 23:24:25 -08:00 committed by Ryan Dahl
parent fd184ee2fa
commit 7342fecaec
1 changed files with 17 additions and 9 deletions
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26
src/node.js
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@ -670,28 +670,36 @@ var pathModule = createInternalModule("path", function (exports) {
return exports.normalize(Array.prototype.join.call(arguments, "/"));
};
exports.normalizeArray = function (parts) {
var directories = [];
for (var i = 0; i < parts.length; i++) {
exports.normalizeArray = function (parts, keepBlanks) {
var directories = [], prev;
for (var i = 0, l = parts.length - 1; i <= l; i++) {
var directory = parts[i];
if (directory === "." || (directory === "" && directories.length)) {
continue;
}
// if it's blank, but it's not the first thing, and not the last thing, skip it.
if (directory === "" && i !== 0 && i !== l && !keepBlanks) continue;
// if it's a dot, and there was some previous dir already, then skip it.
if (directory === "." && prev) continue;
if (
directory === ".."
&& directories.length
&& directories[directories.length - 1] != '..'
&& prev != '..'
&& prev != ''
) {
directories.pop();
prev = directories.slice(-1)[0]
} else {
if (prev === ".") directories.pop();
directories.push(directory);
prev = directory;
}
}
return directories;
};
exports.normalize = function (path) {
return exports.normalizeArray(path.split("/")).join("/");
exports.normalize = function (path, keepBlanks) {
return exports.normalizeArray(path.split("/"), keepBlanks).join("/");
};
exports.dirname = function (path) {