.eslintrc.js

module.exports = {
  root: true,
  parser: 'vue-eslint-parser',
  parserOptions: {
    sourceType: 'module',
    ecmaVersion: 6,
    ecmaFeatures: {
      jsx: true,
      tsx: true,
    },
  },
  env: {
    browser: true,
    node: true,
    jest: true,
    es6: true,
  },
  plugins: ['@typescript-eslint'],
  extends: [
    'plugin:@typescript-eslint/recommended',
    'plugin:vue/vue3-recommended',
    'plugin:import/recommended',
    'plugin:import/typescript',
  ],
  rules: {
    'no-useless-constructor': 'off',
    'no-useless-concat': 'off',
    'max-params': 'off',
    '@typescript-eslint/no-useless-constructor': 'off',
    '@typescript-eslint/no-parameter-properties': 'off',
    '@typescript-eslint/no-require-imports': 'off',
    '@typescript-eslint/no-var-requires': 'off',
    complexity: [
      'error',
      {
        max: 40,
      },
    ],
    curly: 'error',
    'eol-last': 'error',
    eqeqeq: ['error', 'smart'],
    'max-len': ['error', { code: 140 }],
    'no-console': [
      'error',
      {
        allow: [
          'log',
          'warn',
          'dir',
          'timeLog',
          'assert',
          'clear',
          'count',
          'countReset',
          'group',
          'groupEnd',
          'table',
          'dirxml',
          'error',
          'groupCollapsed',
          'Console',
          'profile',
          'profileEnd',
          'timeStamp',
          'context',
        ],
      },
    ],
    'no-multiple-empty-lines': 'error',
    'no-shadow': 'off',
    'no-trailing-spaces': 'error',
    'no-unused-labels': 'error',
    'no-use-before-define': 'error',
    'no-var': 'error',
    'prefer-const': 'error',
    semi: 'error',
    'space-in-parens': ['error', 'never'],
    'spaced-comment': ['error', 'always'],
    '@typescript-eslint/dot-notation': 'off',
    '@typescript-eslint/indent': [
      'error',
      2,
      { FunctionDeclaration: { parameters: 'first' }, FunctionExpression: { parameters: 'first' } },
    ],
    '@typescript-eslint/member-delimiter-style': [
      'error',
      {
        multiline: {
          delimiter: 'semi',
          requireLast: true,
        },
        singleline: {
          delimiter: 'semi',
          requireLast: false,
        },
      },
    ],
    '@typescript-eslint/no-misused-new': 'error',
    '@typescript-eslint/no-non-null-assertion': 'error',
    '@typescript-eslint/prefer-function-type': 'error',
    '@typescript-eslint/semi': ['error', 'always'],
    '@typescript-eslint/type-annotation-spacing': 'error',
    '@typescript-eslint/unified-signatures': 'error',
    '@typescript-eslint/no-shadow': 'error',
    'prefer-promise-reject-errors': 'off',
    'max-nested-callbacks': ['error', 6],
    '@typescript-eslint/no-this-alias': 'off',
    'accessor-pairs': 'off',
    'max-depth': 'off',
    '@typescript-eslint/member-ordering': 'off',
    'array-callback-return': 'off',
    'import/no-unresolved': 'off',
  },
  overrides: [
    {
      files: ['*.ts', '*.tsx'],
      parser: '@typescript-eslint/parser',
    },
  ],
};