1
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var isObject = require('./isObject'),
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2
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isPrototype = require('./_isPrototype'),
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3
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nativeKeysIn = require('./_nativeKeysIn');
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4
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5
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/** Used for built-in method references. */
|
6
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var objectProto = Object.prototype;
|
7
|
|
8
|
/** Used to check objects for own properties. */
|
9
|
var hasOwnProperty = objectProto.hasOwnProperty;
|
10
|
|
11
|
/**
|
12
|
* The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
|
13
|
*
|
14
|
* @private
|
15
|
* @param {Object} object The object to query.
|
16
|
* @returns {Array} Returns the array of property names.
|
17
|
*/
|
18
|
function baseKeysIn(object) {
|
19
|
if (!isObject(object)) {
|
20
|
return nativeKeysIn(object);
|
21
|
}
|
22
|
var isProto = isPrototype(object),
|
23
|
result = [];
|
24
|
|
25
|
for (var key in object) {
|
26
|
if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
|
27
|
result.push(key);
|
28
|
}
|
29
|
}
|
30
|
return result;
|
31
|
}
|
32
|
|
33
|
module.exports = baseKeysIn;
|