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Ensute _.assignWith respects customizer results of undefined. [closes #2424]

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John-David Dalton
2016-06-16 06:44:22 -07:00
parent b2b3391827
commit 9cabc7c222
2 changed files with 3 additions and 3 deletions
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4
lodash.js
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@@ -4446,9 +4446,9 @@
var newValue = customizer var newValue = customizer
? customizer(object[key], source[key], key, object, source) ? customizer(object[key], source[key], key, object, source)
: source[key]; : undefined;
assignValue(object, key, newValue); assignValue(object, key, newValue === undefined ? source[key] : newValue);
} }
return object; return object;
} }

2
test/test.js
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@@ -1454,7 +1454,7 @@
QUnit.test('`_.' + methodName + '` should work with a `customizer` that returns `undefined`', function(assert) { QUnit.test('`_.' + methodName + '` should work with a `customizer` that returns `undefined`', function(assert) {
assert.expect(1); assert.expect(1);
var expected = { 'a': undefined }; var expected = { 'a': 1 };
assert.deepEqual(func({}, expected, noop), expected); assert.deepEqual(func({}, expected, noop), expected);
}); });
}); });