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revisions to #534, sortBy(undefined)

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This commit is contained in:
Jeremy Ashkenas
2012-04-02 13:16:58 -04:00
parent 60adb34d0c
commit d604895018
2 changed files with 5 additions and 2 deletions
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3
test/collections.js
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@@ -235,6 +235,9 @@ $(document).ready(function() {
var people = [{name : 'curly', age : 50}, {name : 'moe', age : 30}];
people = _.sortBy(people, function(person){ return person.age; });
equal(_.pluck(people, 'name').join(', '), 'moe, curly', 'stooges sorted by age');
var list = [undefined, 4, 1, undefined, 3, 2];
equal(_.sortBy(list, _.identity).join(','), '1,2,3,4,,', 'sortBy with undefined values');
});
test('collections: groupBy', function() {

4
underscore.js
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@@ -270,8 +270,8 @@
};
}).sort(function(left, right) {
var a = left.criteria, b = right.criteria;
if (_.isUndefined(a)) return 1;
if (_.isUndefined(b)) return -1;
if (a === void 0) return 1;
if (b === void 0) return -1;
return a < b ? -1 : a > b ? 1 : 0;
}), 'value');
};