eslint.config.mjs

import neostandard, { resolveIgnoresFromGitignore } from 'neostandard'
import eslint from '@eslint/js'
import tseslint from 'typescript-eslint'

export default [
  ...neostandard({
    ignores: [
      ...resolveIgnoresFromGitignore(),
    ],
    ts: true,
  }),
  eslint.configs.recommended,
  ...tseslint.configs.strictTypeChecked,
  ...tseslint.configs.stylisticTypeChecked,
  {
    languageOptions: {
      parserOptions: {
        projectService: true,
        tsconfigRootDir: process.cwd(),
      },
    },
  },
  {
    name: 'migrate/eslint-config-standard-with-typescript',
    rules: {
      '@typescript-eslint/array-type': ['error', { default: 'array-simple' }],
      '@typescript-eslint/consistent-type-exports': [
        'error',
        {
          fixMixedExportsWithInlineTypeSpecifier: true,
        },
      ],
      '@typescript-eslint/consistent-type-imports': 'error',
      '@stylistic/member-delimiter-style': [
        'error',
        {
          multiline: { delimiter: 'none' },
          singleline: { delimiter: 'comma', requireLast: false },
        },
      ],
      '@typescript-eslint/method-signature-style': 'error',
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/no-unnecessary-condition': 'off',
      '@typescript-eslint/no-unsafe-assignment': 'off',
      '@typescript-eslint/no-unsafe-call': 'off',
      '@typescript-eslint/no-unsafe-member-access': 'off',
      '@typescript-eslint/no-unsafe-return': 'off',
      '@typescript-eslint/promise-function-async': 'error',
      '@typescript-eslint/require-array-sort-compare': 'error',
      '@typescript-eslint/require-await': 'off',
      '@typescript-eslint/return-await': ['error', 'always'],
      '@typescript-eslint/triple-slash-reference': ['error', { lib: 'never', path: 'never', types: 'never' }],
      '@stylistic/type-annotation-spacing': 'error',
      '@typescript-eslint/use-unknown-in-catch-callback-variable': 'off',
    },
  },
  {
    name: 'RopeScore/custom',
    rules: {
      '@typescript-eslint/restrict-template-expressions': ['warn', {
        allowNumber: true,
        allowBoolean: true,
        allowRegExp: true,
        allowAny: true,
      }],
      '@typescript-eslint/no-this-alias': 'off',
      '@typescript-eslint/only-throw-error': ['error', {
        allowThrowingUnknown: true,
      }],
      '@stylistic/comma-dangle': ['warn', {
        arrays: 'always-multiline',
        objects: 'always-multiline',
        imports: 'always-multiline',
        exports: 'always-multiline',
        functions: 'never',
      }],
      'no-void': 'off',
      'no-console': 'warn',
    },
  },
  {
    name: 'RopeScore/tests',
    files: ['**/*.test.ts', '**/*.test.js'],
    rules: {
      '@typescript-eslint/ban-ts-comment': ['error', {
        'ts-expect-error': false,
        'ts-ignore': true,
        'ts-nocheck': true,
        'ts-check': false,
        minimumDescriptionLength: 3,
      }],
    },
  },
  {
    name: 'RopeScore/bin',
    files: ['bin/*.ts', 'bin/*.js'],
    rules: {
      'no-console': 'off',
    },
  },
]