Question

npm i -D style-resources-loader

const path = require("path");
const resolve = dir =path.resolve(__dirname, dir);
const addStylusResource = rule ={
  rule
    .use("style-resouce")
    .loader("style-resources-loader")
    .options({
      patterns: [resolve("src/assets/stylus/variable.styl")]
    });
};
module.exports = {
  chainWebpack: config ={
    const types = ["vue-modules", "vue", "normal-modules", "normal"];
    types.forEach(type =>
      addStylusResource(config.module.rule("stylus").oneOf(type))
    );
  }
};