I've run my head against the wall here.

For my project, I would like Laravel Mix/webpack to compile an `.scss`-file into two files, a regular, un-minified (expanded or nested) `.css`-file, and a minified (compressed) `.min.css`-file, so I essentially have both files. 

I've tried with:

```
mix.sass('src', 'output')
   .copy('output.css', 'output.min.css')
   .minify('output.min.css');

```

However, this results in an error because the `.css`-file wasn't compiled.

I know Laravel Mix minifies when running `npm run production` but I'm interested in two files, not just the one `production` compiles to.

Is there any way to do this, without modifying the whole webpack config?