import restArguments from './restArguments.js';
import isFunction from './isFunction.js';
import optimizeCb from './_optimizeCb.js';
import allKeys from './allKeys.js';
import keyInObj from './_keyInObj.js';
import flatten from './_flatten.js';
import restArguments from './restArguments.js';
import isFunction from './isFunction.js';
import optimizeCb from './_optimizeCb.js';
import allKeys from './allKeys.js';
import keyInObj from './_keyInObj.js';
import flatten from './_flatten.js';
Return a copy of the object only containing the allowed properties.
export default restArguments(function(obj, keys) {
var result = {}, iteratee = keys[0];
if (obj == null) return result;
if (isFunction(iteratee)) {
if (keys.length > 1) iteratee = optimizeCb(iteratee, keys[1]);
keys = allKeys(obj);
} else {
iteratee = keyInObj;
keys = flatten(keys, false, false);
obj = Object(obj);
}
for (var i = 0, length = keys.length; i < length; i++) {
var key = keys[i];
var value = obj[key];
if (iteratee(value, key, obj)) result[key] = value;
}
return result;
});