# Drab webpack problem - Uncaught ReferenceError: require is not defined

**URL:** <https://forum.elixirforum.com/t/drab-webpack-problem-uncaught-referenceerror-require-is-not-defined/14402>\
**Category:** Questions\
**Tags:** phoenix, drab, webpack, socket\
**Created:** [May 27, 2018, 5:16pm UTC](https://forum.elixirforum.com/t/drab-webpack-problem-uncaught-referenceerror-require-is-not-defined/14402 "2018-05-27T17:16:13Z")\
**Posts on this page:** 1\
**Showing post:** 8

<div class="post-metadata">

**Author:** ![dokuzbir](https://forum.elixirforum.com/letter_avatar_proxy/v4/letter/d/ed8c4c/32.png) [@dokuzbir](https://forum.elixirforum.com/u/dokuzbir)\
**Post date:** [May 28, 2018, 1:32pm UTC](https://forum.elixirforum.com/t/drab-webpack-problem-uncaught-referenceerror-require-is-not-defined/14402/8 "2018-05-28T13:32:30Z")

</div>

This is code is giving error

```
var params = Object.assign({ __drab_return: this.drab_return_token }, additional_token);
      params = Object.assign(params, {__client_lib_version: Drab.client_lib_version});
      this.socket = new this.Socket("/socket", { //error at this line
        params: params
      });

```

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