"use strict"; var _extends = function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { target[key] = source[key]; } } return target; }; var foo = _extends({}, bar); var foo = _extends({}, bar, { bar: "foo" }); var foo = _extends({}, bar, { bar: "foo" });