var __assign = (this && this.__assign) || function () { __assign = Object.assign || function(t) { for (var s, i = 1, n = arguments.length; i < n; i++) { s = arguments[i]; for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p]; } return t; }; return __assign.apply(this, arguments); }; // type MyUserOptionals = Partial; var merge = function (user, overrides) { return __assign(__assign({}, user), overrides); }; console.log(merge({ name: "jack", id: "foo", email: "donatemail@abv.bg" }, { name: "notjack" }));