.eslintrc.js

module.exports = {
  root: true,
  env: {
    browser: true,
    amd: true,
    node: true
  },
  parser: 'vue-eslint-parser',
  parserOptions: {
    parser: '@typescript-eslint/parser',
    sourceType: 'module'
  },
  extends: ['eslint:recommended', 'plugin:vue/vue3-recommended', 'prettier'],
  plugins: ['@typescript-eslint', 'prettier', 'unused-imports'],
  rules: {
    'prettier/prettier': 'error',
    'vue/component-definition-name-casing': 'off',

    // not needed for vue 3
    'vue/no-multiple-template-root': 'off',
    'no-unused-vars': 'off',
    'unused-imports/no-unused-imports': 'error',
    'vue/multi-word-component-names': 'off',
    'unused-imports/no-unused-vars': [
      'warn',
      {
        vars: 'all',
        varsIgnorePattern: '^_',
        args: 'after-used',
        argsIgnorePattern: '^_'
      }
    ]
  }
};