Bump webpack dev server to version 3.4 or above to support sockPort option

[tsewaiho]

I use Quasar as frontend and Laravel as backend. When I am developing, I serve Laravel at 0.0.0.0:8000 and Quasar at 0.0.0.0:8080.

In the laravel view, it links to the compiled Quasar app by

<div id="q-app"></div>
<script src="http://192.168.1.3:8080/app.js"></script>

To make this approach work, I have to add sockPort:8080 in webpack dev server's option. So that the hot reload and async import know that it should use 192.168.1.3:8080 instead of 192.168.1.3:8000.

May be this page will explain better
webpack/webpack-dev-server#1792

This option is added from v3.4.0
https://github.com/webpack/webpack-dev-server/releases

[tsewaiho]

Sorry. I am going to close this issue.
I find that there is one more problem that prevent this approach to work, Lazy loading.
sockPort still can not make the bundle to request async components from correct port.
I have to continue to use dev server proxy to develop with Laravel.