--- /dev/null
+var has = require('../internals/has');
+var toIndexedObject = require('../internals/to-indexed-object');
+var indexOf = require('../internals/array-includes').indexOf;
+var hiddenKeys = require('../internals/hidden-keys');
+
+module.exports = function (object, names) {
+ var O = toIndexedObject(object);
+ var i = 0;
+ var result = [];
+ var key;
+ for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);
+ // Don't enum bug & hidden keys
+ while (names.length > i) if (has(O, key = names[i++])) {
+ ~indexOf(result, key) || result.push(key);
+ }
+ return result;
+};