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Ensure _.merge skips undefined values if a destination value exists.

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jdalton
2015-05-18 07:29:35 -07:00
parent 0eba3a3678
commit 882d84f1e6
2 changed files with 18 additions and 1 deletions
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17
test/test.js
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@@ -10681,6 +10681,23 @@
deepEqual(actual, expected);
});
test('should skip `undefined` values in arrays if a destination value exists', 2, function() {
var array = Array(3);
array[0] = 1;
array[2] = 3;
var actual = _.merge([4, 5, 6], array),
expected = [1, 5, 3];
deepEqual(actual, expected);
array = [1, , 3];
array[1] = undefined;
actual = _.merge([4, 5, 6], array);
deepEqual(actual, expected);
});
test('should merge `arguments` objects', 3, function() {
var object1 = { 'value': args },
object2 = { 'value': { '3': 4 } },