store and compare file names as suggested in DSStoreFormat.pod

[dliessi]

From http://search.cpan.org/~wiml/Mac-Finder-DSStore/DSStoreFormat.pod:
"My guess is that the string comparison follows the same rules as HFS+
described in Apple's TN1150."
https://developer.apple.com/legacy/library/technotes/tn/tn1150.html
specifies that "Unicode strings will be stored in fully decomposed form,
with composing characters stored in canonical order" and contains a
FastUnicodeCompare routine defined as the "HFS Plus case-insensitive
string comparison algorithm"

The unorm module is used to fully decompose and canonically order
filename strings. The FastUnicodeCompare routine is implemented as
HFSPlusFastUnicodeCompare and used in Entry.sort instead of
localeCompare.

This solves LinusU/node-appdmg#33.

(At first I only added .toLowerCase() to filename strings in Entry.sort,
which solved the issue, but only in case of names containing only latin
letters without diacritics.)

[LinusU]

Did some refactoring on the code but need to run now. If you have time to test the latest master it would be appreciated.

Thanks for the help, it was some solid work!

I'll push to npm as soon as I know that it is working.

[dliessi]

It works in my tests (latin letters with diacritics, cyrillic and armenian letters).

Thanks for the help, it was some solid work!

:)

[LinusU]

Super, thank you! I'll push new versions to npm now :)

Again, thanks for the help, if you ever find yourself in Sweden I'll buy you a beer 🍻

[dliessi]

if you ever find yourself in Sweden I'll buy you a beer 🍻

I'm counting on it! :)