Using options throws error: parseQuery should get a string as first argument

[dim882]

Do you want to request a feature or report a bug?
Report a bug

What is the current behavior?
Using options throws the error:

   Module build failed: Error: parseQuery should get a string as first argument
        at Object.parseQuery (/path/to/app/node_modules/loader-utils/index.js:68:9)
        at Object.module.exports (/path/to/app/node_modules/css-loader/lib/loader.js:1

If the current behavior is a bug, please provide the steps to reproduce.

https://gist.github.com/mrdanimal/a49acbb6fcdcb4b44171db4675b769ba

What is the expected behavior?
It should allow you to configure the loader using options

Please mention other relevant information such as your webpack version, Node.js version and Operating System.

• webpack version: 4.6.0
• node version: 9.11.1
• OS: MacOS 10.12.6

[alexander-akait]

@mrdanimal Looks like a bug, feel free to fix and send PR