eslint.config.js

const eslint = require('@eslint/js')
const eslintConfigPrettier = require('eslint-config-prettier')
const globals = require('globals')
const tsEslint = require('typescript-eslint')

module.exports = tsEslint.config(
  {
    ignores: ['dist']
  },
  {
    files: ['**/*.js'],
    languageOptions: {
      globals: {
        ...globals.node
      },
      parserOptions: {
        ecmaVersion: 'latest',
        sourceType: 'module'
      }
    },
    rules: eslint.configs.recommended.rules
  },
  ...tsEslint.configs.recommended.map(config => ({
    ...config,
    ignores: ['**/*.js']
  })),
  {
    files: ['**/*.ts'],
    languageOptions: {
      parserOptions: {
        project: true,
        tsconfigRootDir: __dirname
      }
    },
    rules: {
      '@typescript-eslint/array-type': 'error',
      '@typescript-eslint/await-thenable': 'error',
      '@typescript-eslint/consistent-type-assertions': 'error',
      '@typescript-eslint/explicit-function-return-type': [
        'error',
        {allowExpressions: true}
      ],
      '@typescript-eslint/explicit-member-accessibility': [
        'error',
        {accessibility: 'no-public'}
      ],
      '@typescript-eslint/no-empty-interface': 'error',
      '@typescript-eslint/no-extraneous-class': 'error',
      '@typescript-eslint/no-for-in-array': 'error',
      '@typescript-eslint/no-inferrable-types': 'error',
      '@typescript-eslint/no-non-null-assertion': 'warn',
      '@typescript-eslint/no-require-imports': 'error',
      '@typescript-eslint/no-unnecessary-qualifier': 'error',
      '@typescript-eslint/no-unnecessary-type-assertion': 'error',
      '@typescript-eslint/no-useless-constructor': 'error',
      '@typescript-eslint/prefer-for-of': 'warn',
      '@typescript-eslint/prefer-function-type': 'warn',
      '@typescript-eslint/prefer-includes': 'error',
      '@typescript-eslint/prefer-string-starts-ends-with': 'error',
      '@typescript-eslint/promise-function-async': 'error',
      '@typescript-eslint/require-array-sort-compare': 'error',
      '@typescript-eslint/restrict-plus-operands': 'error',
      '@typescript-eslint/unbound-method': 'error'
    }
  },
  eslintConfigPrettier
)