ESLint validation not working if VUE component script is located in separate file

[erik-sytnyk]

Version

15.2.4

Reproduction link

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: vuejs/vue-cli#1602 (comment)

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)

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The original issue was opened for vue-cli

as it was referenced by @Akryum, it seems to be vue-loader issue