css-loader options error

[Maorey]

Version

4.0.0-beta.0

Reproduction link

https://github.com/vuejs/vue-cli/releases/tag/v4.0.0-beta.0

Environment info

irrelevant

Steps to reproduce

1. create a project with this version，use css modules as default (<style module> && style.module.scss)
2. run project
3. error info: ValidationError: Invalid options object. CSS Loader has been initialised using an options object that does not match the API schema. - options has an unknown property 'localIdentName' (or camelCase)

What is expected?

running correct

What is actually happening?

ValidationError

---

this version use css-loader v3.0.1, but not handle it's break changes, check css-loader options at modules

[Maorey]

Eh..., cli-service not dependence css-loader, but using it, so when install, the last version of css-loader be added, can add css-loader v2.1.1 to project's devDependencies to solve this.