We (i18n group) mentioned slight problem with Collator.compare() method to
Allen at the last i18n meeting.
The problem is that you can't do:
var col = new Intl.Collator(...);
array.sort(col.compare);
because of the binding loss.
Allen proposed something like this as a possible solution (typing from
memory):
Collator.prototype = {
get compare(a, b) {
var that = this;
return function(a, b) { uses that; return a < b };
}
}
It seems that all major JS libraries*, except jQuery, try to help user not
to stumble on this problem. Should we include this into spec?
I think that if we do it for compare() method, we should then do it for
format() methods too, since that would allow user to pass functions around
instead of objects.
This should not apply to supportedLocalesOf functions.
What do you think?
* http://www.alistapart.com/articles/getoutbindingsituations/ (see
"JavaScript frameworks do it" section)
--
Nebojša Ćirić
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