typescript.js

//https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin#readme

/**
 * @type {import('eslint').Linter.Config}
 */
const config = {
  extends: [
    './index',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:@typescript-eslint/recommended-requiring-type-checking',
    'plugin:import/typescript',
    'prettier/@typescript-eslint',
  ],

  parser: '@typescript-eslint/parser',

  plugins: ['@typescript-eslint'],

  rules: {
    // NOTE: we turn this off because we have the switch-exhaustiveness-check
    'default-case': 'off',

    // NOTE: we turn these off because we use their equivalent extension rules below
    'no-use-before-define': 'off',
    'no-loop-func': 'off',

    '@typescript-eslint/consistent-type-imports': 'error',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/member-delimiter-style': 'off',
    '@typescript-eslint/method-signature-style': 'error',
    '@typescript-eslint/no-base-to-string': 'error',
    '@typescript-eslint/no-implicit-any-catch': 'error',
    '@typescript-eslint/no-invalid-void-type': 'error',
    '@typescript-eslint/no-loop-func': 'error',
    '@typescript-eslint/no-unnecessary-type-arguments': 'error',
    '@typescript-eslint/no-unsafe-assignment': 'error',
    '@typescript-eslint/no-unsafe-call': 'error',
    '@typescript-eslint/no-unsafe-member-access': 'error',
    '@typescript-eslint/no-unsafe-return': 'error',
    '@typescript-eslint/no-use-before-define': 'error',
    '@typescript-eslint/prefer-as-const': 'error',
    '@typescript-eslint/prefer-for-of': 'error',
    '@typescript-eslint/prefer-function-type': 'error',
    '@typescript-eslint/prefer-optional-chain': 'error',
    '@typescript-eslint/prefer-readonly': 'error',
    '@typescript-eslint/restrict-plus-operands': 'error',
    '@typescript-eslint/restrict-template-expressions': [
      'error',
      { allowNumber: true },
    ],
    '@typescript-eslint/switch-exhaustiveness-check': 'error',
    '@typescript-eslint/type-annotation-spacing': 'off',
    '@typescript-eslint/unified-signatures': 'error',
  },
}

module.exports = config