eslint.config.mjs

import eslintPluginPrettierRecommended from 'eslint-plugin-prettier/recommended'
import markdown from 'eslint-plugin-markdown'
import tseslint from 'typescript-eslint'
import process from 'process'

export default [
  eslintPluginPrettierRecommended,
  ...markdown.configs.recommended,
  {
    rules: {
      'accessor-pairs': 2,
      'brace-style': [2, '1tbs', { allowSingleLine: true }],
      camelcase: [2, { properties: 'never' }],
      'comma-dangle': [2, 'never'],
      'constructor-super': 2,
      curly: [2, 'multi-line'],
      eqeqeq: [2, 'allow-null'],
      'handle-callback-err': [2, '^(err|error)$'],
      'new-cap': [2, { newIsCap: true, capIsNew: false }],
      'new-parens': 2,
      'no-array-constructor': 2,
      'no-caller': 2,
      'no-class-assign': 2,
      'no-cond-assign': 2,
      'no-const-assign': 2,
      'no-control-regex': 2,
      'no-delete-var': 2,
      'no-dupe-args': 2,
      'no-dupe-class-members': 2,
      'no-dupe-keys': 2,
      'no-duplicate-case': 2,
      'no-empty-character-class': 2,
      'no-empty-pattern': 2,
      'no-eval': 2,
      'no-ex-assign': 2,
      'no-extend-native': 2,
      'no-extra-bind': 2,
      'no-extra-boolean-cast': 2,
      'no-extra-parens': [2, 'functions'],
      'no-fallthrough': 2,
      'no-floating-decimal': 2,
      'no-func-assign': 2,
      'no-implied-eval': 2,
      'no-inner-declarations': [2, 'functions'],
      'no-invalid-regexp': 2,
      'no-irregular-whitespace': 2,
      'no-iterator': 2,
      'no-label-var': 2,
      'no-labels': [2, { allowLoop: false, allowSwitch: false }],
      'no-lone-blocks': 2,
      'no-mixed-spaces-and-tabs': 2,
      'no-multi-str': 2,
      'no-native-reassign': 2,
      'no-negated-in-lhs': 2,
      'no-new-object': 2,
      'no-new-require': 2,
      'no-new-symbol': 2,
      'no-new-wrappers': 2,
      'no-obj-calls': 2,
      'no-octal': 2,
      'no-octal-escape': 2,
      'no-path-concat': 2,
      'no-proto': 2,
      'no-redeclare': 2,
      'no-regex-spaces': 2,
      'no-return-assign': [2, 'except-parens'],
      'no-self-assign': 2,
      'no-self-compare': 2,
      'no-sequences': 2,
      'no-shadow-restricted-names': 2,
      'no-spaced-func': 2,
      'no-sparse-arrays': 2,
      'no-this-before-super': 2,
      'no-throw-literal': 2,
      'no-trailing-spaces': 2,
      'no-undef': 2,
      'no-undef-init': 2,
      'no-unexpected-multiline': 2,
      'no-unmodified-loop-condition': 2,
      'no-unneeded-ternary': [2, { defaultAssignment: false }],
      'no-unreachable': 2,
      'no-unsafe-finally': 2,
      'no-unused-vars': [2, { vars: 'all', args: 'none' }],
      'no-useless-call': 2,
      'no-useless-computed-key': 2,
      'no-useless-constructor': 2,
      'no-useless-escape': 0,
      'no-whitespace-before-property': 2,
      'no-with': 2,
      'one-var': [2, { initialized: 'never' }],
      'use-isnan': 2,
      'valid-typeof': 2,
      'wrap-iife': [2, 'any'],
      yoda: [2, 'never'],
      'prefer-const': 2,
      'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,
      'object-shorthand': 'error'
    }
  },
  ...tseslint.config({
    files: ['*.ts'],
    extends: [...tseslint.configs.recommended],
    rules: {
      '@typescript-eslint/no-non-null-assertion': 'off',
      '@typescript-eslint/consistent-type-imports': 'error'
    },
    languageOptions: {
      parserOptions: {
        parser: tseslint.parser
      }
    }
  }),
  {
    files: ['*.vue'],
    parser: 'vue-eslint-parser',
    languageOptions: {
      ecmaVersion: 2021,
      sourceType: 'module'
    }
  },
  {
    files: ['js', 'ts', 'vue', 'svelte'].map(ext => [`**/*.md/*.${ext}`]),
    processor: 'markdown/markdown',
    rules: {
      'prettier/prettier': 'off'
    }
  },
  {
    ignores: [
      '!docs/.vuepress/',
      '!.github/',
      '!.vscode/',
      '.nyc_output/',
      'assets/',
      'coverage/',
      'dist/',
      'docs/.vuepress/dist/',
      'node_modules/',
      'tests-integrations/'
    ]
  }
]