Operation like this

import 'assets/stylus/index.styl';

Error reporting

ERROR Failed to compile with 1 errors This dependency was not found: * assets/stylus/index.styl in ./src/main.js To install it, you can run: npm install --save assets/stylus/index.styl

Make sure that stylus-loade has been installed, using vue-cli scaffolding development, but something went wrong