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/**
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|
* Gets the keys for an object.
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|
*
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|
* @return {Array} keys
|
|
* @api private
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|
*/
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|
|
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module.exports = Object.keys || function keys (obj){
|
|
var arr = [];
|
|
var has = Object.prototype.hasOwnProperty;
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|
|
|
for (var i in obj) {
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|
if (has.call(obj, i)) {
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|
arr.push(i);
|
|
}
|
|
}
|
|
return arr;
|
|
};
|