Error on Angular 2 imports

[slavaspirit]

Facing with error on import socket.js to Angular 2 project right after rebuild with new dependency in angular-cli.json:

      "scripts": [
        ...
        "../node_modules/phoenix-socket/vendor/socket.js"
      ],

The error is:

VM3612:202 Uncaught SyntaxError: Unexpected token export
    at eval (<anonymous>)
    at module.exports (addScript.js:9)
    at Object.463 (socket.js?98c0:1)
    at __webpack_require__ (bootstrap 0c9a34a…:52)
    at Object.1099 (scripts.bundle.js:10)
    at __webpack_require__ (bootstrap 0c9a34a…:52)
    at webpackJsonpCallback (bootstrap 0c9a34a…:23)
    at scripts.bundle.js:1