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Remove explicit Object coercion in _.keysIn.

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This commit is contained in:
John-David Dalton
2015-08-21 18:35:31 -07:00
parent 4691a38d21
commit 7bc5a501c4
2 changed files with 3 additions and 5 deletions
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4
lodash.js
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@@ -3877,7 +3877,7 @@
* @returns {Array} Returns the initialized array of property names.
*/
function initKeys(object) {
var length = object.length;
var length = object ? object.length : 0;
length = (length && isLength(length) &&
(isArray(object) || isArguments(object) || isString(object)) && length) || 0;
@@ -9171,8 +9171,6 @@
* // => ['a', 'b', 'c'] (iteration order is not guaranteed)
*/
function keysIn(object) {
object = Object(object);
var index = -1,
isProto = isPrototype(object),
props = baseKeysIn(object),

4
test/test.js
View File

@@ -8773,10 +8773,10 @@
deepEqual(func(array).sort(), ['0', '1', '2']);
});
test('`_.' + methodName + '` should coerce nullish values to objects', 2, function() {
test('`_.' + methodName + '` should not coerce nullish values to objects', 2, function() {
objectProto.a = 1;
_.each([null, undefined], function(value) {
deepEqual(func(value), isKeys ? [] : ['a']);
deepEqual(func(value), []);
});
delete objectProto.a;
});