.eslintrc.js

'use strict';

module.exports = {
  env: {
    browser: true,
    es6: true
  },
  extends: [
    'eslint:recommended',
    'plugin:vue/recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:prettier/recommended'
  ],
  globals: {
    Atomics: 'readonly',
    SharedArrayBuffer: 'readonly'
  },
  parser: 'vue-eslint-parser',
  parserOptions: {
    parser: '@typescript-eslint/parser',
    project: './tsconfig.json',
    ecmaVersion: 2020,
    sourceType: 'module',
    extraFileExtensions: ['.vue']
  },
  plugins: [
    'vue',
    '@typescript-eslint',
    'prettier'
  ],
  rules: {
    'vue/html-indent': ['warn', 2],
    'vue/no-reserved-keys': ['warn'],
    'vue/html-self-closing': [
      'warn',
      {
        html: {
          void: 'never',
          normal: 'always',
          component: 'always'
        },
        svg: 'always',
        math: 'always'
      }
    ],
    'vue/html-quotes': [
      'warn',
      'double',
      { avoidEscape: true }
    ],
    'vue/singleline-html-element-content-newline': [
      'off'
    ],
    // '@typescript-eslint/indent': ['warn', 2],
    '@typescript-eslint/no-empty-interface': [
      'off'
    ],
    '@typescript-eslint/camelcase': ['off'],
    '@typescript-eslint/restrict-plus-operands': [
      'warn'
    ],
    '@typescript-eslint/array-type': ['off'],
    '@typescript-eslint/no-use-before-define': [
      'off'
    ],
    '@typescript-eslint/no-angle-bracket-type-assertion': [
      'off'
    ],
    '@typescript-eslint/interface-name-prefix': [
      'off'
    ],
    '@typescript-eslint/explicit-member-accessibility': [
      'warn'
    ],
    '@typescript-eslint/consistent-type-assertions': [
      'warn'
    ],
    '@typescript-eslint/no-inferrable-types': [
      'warn'
    ],
    'no-console': [
      'error',
      { allow: ['warn', 'error', 'info'] }
    ],
    semi: ['error', 'always'],
    'prefer-spread': ['warn'],
    'no-unused-vars': ['off'],
    'no-extra-semi': ['warn'],
    quotes: ['error', 'single'],
    'linebreak-style': ['warn', 'unix'],
    'prettier/prettier': [
      'warn',
      {
        printWidth: 50,
        tabWidth: 2,
        singleQuote: true,
        jsxSingleQuote: true,
        semi: true,
        trailingComma: 'none',
        endOfLine: 'auto',
        arrowParens: 'avoid',
        rangeEnd: 0
      }
    ]
  }
};