eslint.config.js

import globals from 'globals';
import pluginN from 'eslint-plugin-n';
import tsEslint from 'typescript-eslint';
import stylistic from '@stylistic/eslint-plugin';

export default [
  ...tsEslint.configs.recommended,
  {
    plugins: {
      '@n': pluginN,
      '@stylistic': stylistic,
    },

    languageOptions: {
      ecmaVersion: 2024,
      sourceType: 'module',

      globals: {
        ...globals.es2024,
        ...globals.node,
        ...globals.browser,
        document: 'readonly',
        navigator: 'readonly',
        window: 'readonly',
      },
    },

    rules: {
      'accessor-pairs': ['error', { setWithoutGet: true, enforceForClassMembers: true }],
      'array-callback-return': ['error', {
        allowImplicit: false,
        checkForEach: false,
      }],
      'constructor-super': 'error',
      curly: ['error', 'multi-line'],
      'default-case-last': 'error',
      'dot-notation': ['error', { allowKeywords: true }],
      eqeqeq: ['error', 'always', { null: 'ignore' }],
      'new-cap': ['error', { newIsCap: true, capIsNew: false, properties: true }],
      'no-array-constructor': 'error',
      'no-async-promise-executor': 'error',
      'no-caller': 'error',
      'no-case-declarations': 'error',
      'no-class-assign': 'error',
      'no-compare-neg-zero': 'error',
      'no-const-assign': 'error',
      'no-constant-condition': ['error', { checkLoops: false }],
      'no-debugger': 'error',
      'no-delete-var': 'error',
      'no-dupe-args': 'error',
      'no-dupe-keys': 'error',
      'no-duplicate-case': 'error',
      'no-useless-backreference': 'error',
      'no-empty': ['error', { allowEmptyCatch: true }],
      'no-empty-character-class': 'error',
      'no-empty-pattern': 'error',
      'no-eval': 'error',
      'no-ex-assign': 'error',
      'no-extend-native': 'error',
      'no-extra-bind': 'error',
      'no-extra-boolean-cast': 'error',
      'no-fallthrough': 'error',
      'no-func-assign': 'error',
      'no-global-assign': 'error',
      'no-implied-eval': 'error',
      'no-import-assign': 'error',
      'no-invalid-regexp': 'error',
      'no-irregular-whitespace': 'error',
      'no-iterator': 'error',
      'no-labels': ['error', { allowLoop: false, allowSwitch: false }],
      'no-lone-blocks': 'error',
      'no-loss-of-precision': 'error',
      'no-misleading-character-class': 'error',
      'no-prototype-builtins': 'error',
      'no-useless-catch': 'error',
      'no-multi-str': 'error',
      'no-new': 'error',
      'no-new-func': 'error',
      'no-new-object': 'error',
      'no-new-symbol': 'error',
      'no-new-wrappers': 'error',
      'no-obj-calls': 'error',
      'no-octal': 'error',
      'no-octal-escape': 'error',
      'no-proto': 'error',
      'no-regex-spaces': 'error',
      'no-return-assign': ['error', 'except-parens'],
      'no-self-assign': ['error', { props: true }],
      'no-self-compare': 'error',
      'no-sequences': 'error',
      'no-shadow-restricted-names': 'error',
      'no-sparse-arrays': 'error',
      'no-template-curly-in-string': 'error',
      'no-this-before-super': 'error',
      'no-throw-literal': 'error',
      'no-undef': 'error',
      'no-undef-init': 'error',
      'no-unexpected-multiline': 'error',
      'no-unmodified-loop-condition': 'error',
      'no-unneeded-ternary': ['error', { defaultAssignment: false }],
      'no-unreachable': 'error',
      'no-unreachable-loop': 'error',
      'no-unsafe-finally': 'error',
      'no-unsafe-negation': 'error',
      'no-unused-expressions': ['error', {
        allowShortCircuit: true,
        allowTernary: true,
        allowTaggedTemplates: true,
      }],
      'no-unused-vars': ['error', {
        args: 'none',
        caughtErrors: 'none',
        ignoreRestSiblings: true,
        vars: 'all',
      }],
      'no-use-before-define': ['error', { functions: false, classes: false, variables: false }],
      'no-useless-call': 'error',
      'no-useless-computed-key': 'error',
      'no-useless-constructor': 'error',
      'no-useless-rename': 'error',
      'no-useless-return': 'error',
      'no-var': 'error',
      'no-void': 'error',
      'no-with': 'error',
      'object-shorthand': ['warn', 'properties'],
      'prefer-const': ['error', { destructuring: 'all' }],
      'prefer-promise-reject-errors': 'error',
      'prefer-regex-literals': ['error', { disallowRedundantWrapping: true }],
      'symbol-description': 'error',
      'unicode-bom': ['error', 'never'],
      'use-isnan': ['error', {
        enforceForSwitchCase: true,
        enforceForIndexOf: true,
      }],
      'valid-typeof': ['error', { requireStringLiterals: true }],
      yoda: ['error', 'never'],

      '@stylistic/array-bracket-spacing': ['error', 'never'],
      '@stylistic/arrow-spacing': ['error', { before: true, after: true }],
      '@stylistic/block-spacing': ['error', 'always'],
      '@stylistic/brace-style': ['error', '1tbs', { allowSingleLine: true }],
      camelcase: ['error', {
        allow: ['^UNSAFE_'],
        properties: 'never',
        ignoreGlobals: true,
      }],
      '@stylistic/comma-dangle': ['error', 'always-multiline'],
      '@stylistic/comma-spacing': ['error', { before: false, after: true }],
      '@stylistic/comma-style': ['error', 'last'],
      '@stylistic/computed-property-spacing': ['error', 'never', { enforceForClassMembers: true }],
      '@stylistic/dot-location': ['error', 'property'],
      '@stylistic/eol-last': 'error',
      '@stylistic/function-call-spacing': ['error', 'never'],
      '@stylistic/generator-star-spacing': ['error', { before: true, after: true }],
      '@stylistic/indent': ['error', 2, {
        SwitchCase: 1,

        VariableDeclarator: {
          var: 2,
        },

        outerIIFEBody: 0,
      }],
      '@stylistic/key-spacing': ['error', { beforeColon: false, afterColon: true }],
      '@stylistic/keyword-spacing': ['error', { before: true, after: true }],
      '@stylistic/lines-between-class-members': ['error', 'always', { exceptAfterSingleLine: true }],
      '@stylistic/multiline-ternary': ['error', 'always-multiline'],
      '@stylistic/new-parens': 'error',
      '@stylistic/no-extra-semi': 'error',
      '@stylistic/no-extra-parens': ['error', 'functions'],
      '@stylistic/no-floating-decimal': 'error',
      '@stylistic/no-mixed-operators': ['error', {
        groups: [
          ['==', '!=', '===', '!==', '>', '>=', '<', '<='],
          ['&&', '||'],
          ['in', 'instanceof'],
        ],
        allowSamePrecedence: true,
      }],
      '@stylistic/no-mixed-spaces-and-tabs': 'error',
      '@stylistic/no-multi-spaces': 'error',
      '@stylistic/no-multiple-empty-lines': ['error', { max: 1, maxBOF: 0, maxEOF: 0 }],
      '@stylistic/no-tabs': 'error',
      '@stylistic/no-trailing-spaces': 'error',
      '@stylistic/no-whitespace-before-property': 'error',
      '@stylistic/object-curly-newline': ['error', { multiline: true, consistent: true }],
      '@stylistic/object-curly-spacing': ['error', 'always'],
      '@stylistic/object-property-newline': ['error', { allowAllPropertiesOnSameLine: true }],
      '@stylistic/operator-linebreak': ['error', 'before', {
        overrides: {
          '=': 'after',
        },
      }],
      '@stylistic/padded-blocks': ['error', { blocks: 'never', switches: 'never', classes: 'never' }],
      '@stylistic/quote-props': ['error', 'as-needed'],
      '@stylistic/quotes': ['error', 'single', { avoidEscape: true, allowTemplateLiterals: 'never' }],
      '@stylistic/rest-spread-spacing': ['error', 'never'],
      '@stylistic/semi': ['error', 'always'],
      '@stylistic/semi-spacing': ['error', { before: false, after: true }],
      '@stylistic/space-before-blocks': ['error', 'always'],
      '@stylistic/space-before-function-paren': ['error', 'never'],
      '@stylistic/space-in-parens': ['error', 'never'],
      '@stylistic/space-infix-ops': 'error',
      '@stylistic/space-unary-ops': ['error', { words: true, nonwords: false }],
      '@stylistic/spaced-comment': ['error', 'always', {
        line: { markers: ['*package', '!', '/', ',', '='] },
        block: { balanced: true, markers: ['*package', '!', ',', ':', '::', 'flow-include'], exceptions: ['*'] },
      }],
      '@stylistic/template-curly-spacing': ['error', 'never'],
      '@stylistic/template-tag-spacing': ['error', 'never'],
      '@stylistic/wrap-iife': ['error', 'any', { functionPrototypeMethods: true }],
      '@stylistic/yield-star-spacing': ['error', 'both'],

      '@n/handle-callback-err': ['error', '^(err|error)$'],
      '@n/no-callback-literal': 'error',
      '@n/no-deprecated-api': 'error',
      '@n/no-exports-assign': 'error',
      '@n/no-new-require': 'error',
      '@n/no-path-concat': 'error',
      '@n/process-exit-as-throw': 'error',

      '@typescript-eslint/ban-ts-comment': 'off',
      '@typescript-eslint/no-namespace': 'off',
      '@typescript-eslint/no-unused-vars': ['error', {
        args: 'none',
      }],
    },
  },
];