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Ensure _.xor() returns new unique array.

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This commit is contained in:
Ryan Van Etten
2013-12-06 20:59:25 -05:00
committed by John-David Dalton
parent c61a0cdd22
commit 64fc924357
2 changed files with 6 additions and 6 deletions
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9
lodash.js
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@@ -5436,18 +5436,17 @@
* // => [1, 4, 5] * // => [1, 4, 5]
*/ */
function xor() { function xor() {
var index = -1, var result,
index = -1,
length = arguments.length; length = arguments.length;
while (++index < length) { while (++index < length) {
var array = arguments[index]; var array = arguments[index];
if (isArray(array) || isArguments(array)) { if (isArray(array) || isArguments(array)) {
var result = result result = result ? baseDifference(result, array).concat(baseDifference(array, result)) : array;
? baseUniq(baseDifference(result, array).concat(baseDifference(array, result)))
: array;
} }
} }
return result || []; return result ? baseUniq(result) : [];
} }
/** /**

3
test/test.js
View File

@@ -8108,9 +8108,10 @@
deepEqual(actual, [1, 4, 5]); deepEqual(actual, [1, 4, 5]);
}); });
test('should return an array of unique values', 1, function() { test('should return an array of unique values', 2, function() {
var actual = _.xor([1, 1, 2, 5], [2, 2, 3, 5], [3, 4, 5, 5]); var actual = _.xor([1, 1, 2, 5], [2, 2, 3, 5], [3, 4, 5, 5]);
deepEqual(actual, [1, 4, 5]); deepEqual(actual, [1, 4, 5]);
deepEqual(_.xor([1, 1]), [1]);
}); });
test('should return a wrapped value when chaining', 2, function() { test('should return a wrapped value when chaining', 2, function() {