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