21 lines
448 B
JavaScript
Vendored
21 lines
448 B
JavaScript
Vendored
'use strict';
|
|
|
|
module.exports = function intersectByKeys(values) {
|
|
var _this = this;
|
|
|
|
var intersectKeys = Object.keys(values);
|
|
|
|
if (values instanceof this.constructor) {
|
|
intersectKeys = Object.keys(values.all());
|
|
}
|
|
|
|
var collection = {};
|
|
|
|
Object.keys(this.items).forEach(function (key) {
|
|
if (intersectKeys.indexOf(key) !== -1) {
|
|
collection[key] = _this.items[key];
|
|
}
|
|
});
|
|
|
|
return new this.constructor(collection);
|
|
}; |