### Version 15.2.4 ### Reproduction link [https://bitbucket.org/yegor_sytnyk/vue_cli_eslint_bug/src/master/](https://bitbucket.org/yegor_sytnyk/vue_cli_eslint_bug/src/master/) ### Steps to reproduce Move script part of vue component into separate JS file (HelloWorld.vue.js) Reference in main component (HelloWorld.vue: <script src="./HelloWorld.vue.js'></script>) Add code which violete ESLint rules (using vue-cli) original issue here: https://github.com/vuejs/vue-cli/issues/1602#event-1684951724 ### What is expected? o see warning/error report in a console (via vue-cli) ### What is actually happening? Nothing is reported (code is not checked) --- The original issue was opened for vue-cli as it was referenced by @Akryum, it seems to be vue-loader issue <!-- generated by vue-issues. DO NOT REMOVE -->