pakage.json

devDependencies:{
    ...
    "css-loader": "^0.28.0",
    "style-loader": "^0.20.3",
    "stylus": "^0.54.5",
    "stylus-loader": "^3.0.2",
    ...
}

webpack.base.config.js

module.exports = {
    module: {
        rules: [
          ...
          {
            test:/\.styl$/,
            use:[
              "style-loader",
              "css-loader",
              "stylus-loader"
            ]
          },
          ...
        ]
    }
}

main.js

import "./assets/styles/global.styl"

npm run dev reported an error, what is the problem? How should I write it?