.eslintrc.js

module.exports = {
  root: true,
  parser: '@typescript-eslint/parser',
  plugins: ['@typescript-eslint', 'prettier'],
  parserOptions: {
    tsconfigRootDir: __dirname,
    project: ['./tsconfig.json'],
  },
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:prettier/recommended',
  ],
  rules: {
    '@typescript-eslint/no-use-before-define': 'error',
    '@typescript-eslint/no-explicit-any': 'error',
    '@typescript-eslint/no-non-null-assertion': 'off',
    '@typescript-eslint/no-unused-vars': ['error', { varsIgnorePattern: '^_', argsIgnorePattern: '^_' }],
    '@typescript-eslint/array-type': ['error', { default: 'array-simple' }],
    '@typescript-eslint/prefer-optional-chain': 'error',
    '@typescript-eslint/prefer-nullish-coalescing': 'error',
    '@typescript-eslint/prefer-literal-enum-member': 'error',

    // override recommended
    '@typescript-eslint/ban-ts-comment': [
      'error',
      {
        'ts-expect-error': 'allow-with-description',
        'ts-ignore': 'allow-with-description',
        'ts-nocheck': true,
        'ts-check': false,
        minimumDescriptionLength: 5,
      },
    ],
  },
  overrides: [
    {
      files: ['tests/**/*.ts'],
      rules: {
        '@typescript-eslint/ban-types': 'off',
        '@typescript-eslint/no-explicit-any': 'off',
      },
    },
  ],
};