How to add recommended-type-checked

[janat08]

I've added the following, having installed the requisite packages, but the command xo --fix crashes with a cryptic message:
extends: [ 'eslint:recommended', 'plugin:@typescript-eslint/recommended-type-checked', 'plugin:@typescript-eslint/stylistic-type-checked', 'plugin:unicorn/recommended', ], parser: '@typescript-eslint/parser', plugins: ['@typescript-eslint'],