31 lines
776 B
JavaScript
31 lines
776 B
JavaScript
|
var isPrototype = require('./_isPrototype'),
|
||
|
|
nativeKeys = require('./_nativeKeys');
|
||
|
|
|
||
|
|
/** Used for built-in method references. */
|
||
|
|
var objectProto = Object.prototype;
|
||
|
|
|
||
|
|
/** Used to check objects for own properties. */
|
||
|
|
var hasOwnProperty = objectProto.hasOwnProperty;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
* @param {Object} object The object to query.
|
||
|
|
* @returns {Array} Returns the array of property names.
|
||
|
|
*/
|
||
|
|
function baseKeys(object) {
|
||
|
|
if (!isPrototype(object)) {
|
||
|
|
return nativeKeys(object);
|
||
|
|
}
|
||
|
|
var result = [];
|
||
|
|
for (var key in Object(object)) {
|
||
|
|
if (hasOwnProperty.call(object, key) && key != 'constructor') {
|
||
|
|
result.push(key);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = baseKeys;
|