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Make path.extname do the right thing when the last path component is . or ..

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Closes GH-2526
This commit is contained in:
Bert Belder 2012-01-18 15:09:42 +01:00
parent d44ce97909
commit d489a01f81
2 changed files with 30 additions and 2 deletions
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4
lib/path.js
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@ -61,7 +61,7 @@ if (isWindows) {
/^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/][^\\\/]+)?([\\\/])?([\s\S]*?)$/;
// Regex to split the tail part of the above into [*, dir, basename, ext]
var splitTailRe = /^([\s\S]+[\\\/](?!$)|[\\\/])?((?:[\s\S]+?)?(\.[^.]*)?)$/;
var splitTailRe = /^([\s\S]+[\\\/](?!$)|[\\\/])?((?:\.{1,2}$|[\s\S]+?)?(\.[^.\/\\]*)?)$/;
// Function to split a filename into [root, dir, basename, ext]
// windows version
@ -255,7 +255,7 @@ if (isWindows) {
// Split a filename into [root, dir, basename, ext], unix version
// 'root' is just a slash, or nothing.
var splitPathRe = /^(\/?)([\s\S]+\/(?!$)|\/)?((?:[\s\S]+?)?(\.[^.]*)?)$/;
var splitPathRe = /^(\/?)([\s\S]+\/(?!$)|\/)?((?:\.{1,2}$|[\s\S]+?)?(\.[^.\/]*)?)$/;
var splitPath = function(filename) {
var result = splitPathRe.exec(filename);
return [result[1] || '', result[2] || '', result[3] || '', result[4] || ''];

28
test/simple/test-path.js
View File

@ -102,6 +102,34 @@ assert.equal(path.extname('/.file.ext'), '.ext');
assert.equal(path.extname('.path/file.ext'), '.ext');
assert.equal(path.extname('file.ext.ext'), '.ext');
assert.equal(path.extname('file.'), '.');
assert.equal(path.extname('.'), '');
assert.equal(path.extname('./'), '');
assert.equal(path.extname('.file.ext'), '.ext');
assert.equal(path.extname('.file'), '');
assert.equal(path.extname('.file.'), '.');
assert.equal(path.extname('.file..'), '.');
assert.equal(path.extname('..'), '');
assert.equal(path.extname('../'), '');
assert.equal(path.extname('..file.ext'), '.ext');
assert.equal(path.extname('..file'), '.file');
assert.equal(path.extname('..file.'), '.');
assert.equal(path.extname('..file..'), '.');
assert.equal(path.extname('...'), '.');
assert.equal(path.extname('...ext'), '.ext');
assert.equal(path.extname('....'), '.');
assert.equal(path.extname('file.ext/'), '');
if (isWindows) {
// On windows, backspace is a path separator.
assert.equal(path.extname('.\\'), '');
assert.equal(path.extname('..\\'), '');
assert.equal(path.extname('file.ext\\'), '');
} else {
// On unix, backspace is a valid name component like any other character.
assert.equal(path.extname('.\\'), '');
assert.equal(path.extname('..\\'), '.\\');
assert.equal(path.extname('file.ext\\'), '.ext\\');
}
// path.join tests
var failures = [];