.eslintrc.js

const path = require('path')

module.exports = {
  root: true,
  parserOptions: {
    parser: '@typescript-eslint/parser',
    sourceType: 'script',
  },

  plugins: ['import'],

  extends: [
    '@vue/prettier',
    '@vue/prettier/@typescript-eslint',
    '@vue/typescript',
    'plugin:import/errors',
    'plugin:import/typescript',
    'plugin:import/warnings',
    'plugin:vue/recommended',
    'prettier/vue',
  ],
  rules: {
    'no-debugger': 'error',
    'no-multiple-empty-lines': ['error', { max: 1 }],
    'import/order': 'error',
    'vue/array-bracket-spacing': 'error',
    'vue/arrow-spacing': 'error',
    'vue/block-spacing': 'error',
    'vue/brace-style': 'error',
    'vue/camelcase': 'error',
    'vue/comma-dangle': ['error', 'always-multiline'],
    'vue/component-name-in-template-casing': 'error',
    'vue/dot-location': ['error', 'property'],
    'vue/eqeqeq': 'error',
    'vue/key-spacing': 'error',
    'vue/keyword-spacing': 'error',
    'vue/no-boolean-default': ['error', 'default-false'],
    'vue/no-deprecated-scope-attribute': 'error',
    'vue/no-empty-pattern': 'error',
    'vue/object-curly-spacing': ['error', 'always'],
    'vue/padding-line-between-blocks': 'error',
    'vue/space-infix-ops': 'error',
    'vue/space-unary-ops': 'error',
    'vue/v-on-function-call': 'error',
    'vue/v-slot-style': [
      'error',
      {
        atComponent: 'v-slot',
        default: 'v-slot',
        named: 'longform',
      },
    ],
    'vue/valid-v-slot': 'error',
  },
  overrides: [
    {
      files: ['**/*.spec.js'],
      parserOptions: {
        parser: 'babel-eslint',
        sourceType: 'module',
      },
      env: { jest: true },
      globals: {
        mount: false,
        shallowMount: false,
        shallowMountView: false,
        createComponentMocks: false,
        createModuleStore: false,
        i18n: false,
      },
    },
  ],
  settings: {
    'import/resolver': {
      alias: {
        map: [['@', path.resolve(__dirname, 'src')]],
        extensions: ['.vue', '.js', '.ts', '.d.ts'],
      },
    },
    'vue-i18n': {
      localeDir: path.resolve(__dirname, 'src', 'locales') + '/*.{json}',
      messageSyntaxVersion: '^9.0.0',
    },
  },
}