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var hasOwn = require('../internals/has-own-property');
var ownKeys = require('../internals/own-keys');
var getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');
var definePropertyModule = require('../internals/object-define-property');
module.exports = function (target, source, exceptions) {
var keys = ownKeys(source);
var defineProperty = definePropertyModule.f;
var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
if (!hasOwn(target, key) && !(exceptions && hasOwn(exceptions, key))) {
defineProperty(target, key, getOwnPropertyDescriptor(source, key));
}
}
};