Issue with no-unused-components

[EnochG1]

Tell us about your environment

• ESLint version: ^5.16.0
• eslint-plugin-vue version: ^5.2.2
• Node version: 10.15.3

Please show your full configuration:

module.exports = {
  root: true,
  parserOptions: {
    parser: 'babel-eslint'
  },
  env: {
    browser: true,
  },
  extends: [
    // https://github.com/vuejs/eslint-plugin-vue#priority-a-essential-error-prevention
    // consider switching to `plugin:vue/strongly-recommended` or `plugin:vue/recommended` for stricter rules.
    'plugin:vue/essential',
    // https://github.com/standard/standard/blob/master/docs/RULES-en.md
    'standard'
  ],
  // required to lint *.vue files
  plugins: [
    'vue'
  ],
  // add your custom rules here
  rules: {
    // allow async-await
    'generator-star-spacing': 'off',
    'no-extra-semi': 'off',
    'semi': 'off',
    "space-before-function-paren": ["error", "never"],
    // allow debugger during development
    'no-debugger': 'warn',
  }
}

What did you do?

<template>
  <div>
    <button @click="upsert">SKU {{ upsertLabel }}</button>
    <modals-container />
  </div>
</template>

<script>
import ModalUpsertSku from './ModalUpsertSku';

export default {
  name: 'Master',
  components: {
    ModalUpsertSku
  },
  methods: {
    upsert() {

      let param = {
        upsertCode: this.upsertCode
      };
      let options = {
        width: '350px',
        height: 'auto'
      };

      if (this.upsertCode === 'M') {
        param.skuId = this.grid.getrowdata(
          this.grid.selectedrowindexes[0]
        ).skuId;
      }

      this.$modal.show(ModalUpsertSku, param, options);
    }
  }

What did you expect to happen?
Using component not in vue template, but in method, parameter for vue-js-modal.
(https://github.com/euvl/vue-js-modal)

What actually happened?

Module Warning (from ./node_modules/eslint-loader/index.js):

  ✘  https://google.com/#q=vue%2Fno-unused-components  The "ModalUpsertSku" component has been registered but not used
  src\apps\SampleSearch\components\SearchMaster.vue:30:5

(+ When I use eslint-plugin-vue version 4.X, this eslint output wasn't occured. It shows from version 5)

I also read #556.
Even though I'm not using , I use component in vue instance. I think in this case this rule should not be error. (It's not string like 'ModalUpsertSku', just ModalUpsertSku)

[ota-meshi]

Thank you for this issue.

You can delete the following code:

  components: {
    ModalUpsertSku
  },