.eslintrc.js

module.exports = {
  root: true,

  env: {
    node: true,
  },

  extends: [
    'plugin:vue/essential',
    'eslint:recommended',
    '@vue/standard',
    '@vue/typescript/recommended',
  ],

  parserOptions: {
    ecmaVersion: 2020,
  },

  rules: {
    'no-console': 'off',
    'no-debugger': 'off',
    'no-new': 'off',
    'vue/no-side-effects-in-computed-properties': 'off',
    'vue/attribute-hyphenation': 'off',
    'no-useless-constructor': 'off',
    'vue/html-self-closing': [
      'error',
      {
        html: {
          void: 'always',
          normal: 'always',
          component: 'always',
        },
        svg: 'always',
        math: 'always',
      },
    ],
    'prefer-const': [
      'error',
      {
        destructuring: 'all',
        ignoreReadBeforeAssign: false,
      },
    ],
    '@typescript-eslint/ban-ts-comment': 'off',
    '@typescript-eslint/ban-types': 'off',
    'vue/attributes-order': [
      'error',
      {
        order: [
          'DEFINITION',
          'LIST_RENDERING',
          'CONDITIONALS',
          'RENDER_MODIFIERS',
          'GLOBAL',
          'UNIQUE',
          'TWO_WAY_BINDING',
          'OTHER_DIRECTIVES',
          'OTHER_ATTR',
          'EVENTS',
          'CONTENT',
        ],
        alphabetical: false,
      },
    ],
    'comma-dangle': ['error', 'only-multiline'],
    indent: 'off',
    'no-mixed-spaces-and-tabs': 'error',
    semi: ['error', 'always'],
    'arrow-spacing': [
      'error',
      {
        before: true,
        after: true,
      },
    ],
    'consistent-this': ['error', 'that'],
    'eol-last': ['error', 'always'],
    'wrap-iife': 'error',
    '@typescript-eslint/ban-ts-ignore': 'off',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-var-requires': 'off',
    '@typescript-eslint/no-empty-function': 'off',
    'no-use-before-define': [
      'error',
      {
        functions: false,
        classes: true,
      },
    ],
    '@typescript-eslint/no-use-before-define': [
      'error',
      {
        functions: false,
        classes: true,
      },
    ],
    '@typescript-eslint/no-non-null-assertion': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/no-unused-vars': [
      'error',
      {
        argsIgnorePattern: '^h$',
        varsIgnorePattern: '^h$',
      },
    ],
    'no-unused-vars': [
      'error',
      {
        argsIgnorePattern: '^h$',
        varsIgnorePattern: '^h$',
      },
    ],
    'space-before-function-paren': 'off',
  },

  overrides: [
    {
      files: ['**/__tests__/*.{j,t}s?(x)', '**/tests/unit/**/*.spec.{j,t}s?(x)'],
      env: {
        jest: true,
      },
    },
  ],
};