setup-maven-cached/node_modules/underscore/cjs/pick.js
2022-06-28 10:39:30 +02:00

29 lines
899 B
JavaScript

var restArguments = require('./restArguments.js');
var isFunction = require('./isFunction.js');
var _optimizeCb = require('./_optimizeCb.js');
var allKeys = require('./allKeys.js');
var _keyInObj = require('./_keyInObj.js');
var _flatten = require('./_flatten.js');
// Return a copy of the object only containing the allowed properties.
var pick = 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;
});
module.exports = pick;