JS typescript enum with types

Types.ts

// Using a model as a type

const taco = 'taco';
type TacoType = typeof taco;
// type TacoType = 'taco'

let bell = 'bell';
type BellType = typeof bell;
// type BellType = string

//--------
const people = () => ({
    name: 'Jhon',
    age: 32
});

let people1: ReturnType<typeof people> = {
    name: 'Peter',
    age: 40
}

// let people1: { name: string, age: number }

//--------
const person = {
    name: 'Tom',
    age: 30,
    country: 'BR'
} as const;

type Keys = keyof typeof person
// type Keys = "name" | "age" | "country"

type Values = typeof person[Keys]
// type Values = "Tom" | 30 | "BR

types.ts

enum NAMES {
	cnpj='cnpj',
	site='site',
	description='description'
}

type TNames = {
	[NAMES.site]: string,
	[NAMES.cnpj]: string,
	[NAMES.description]: string
}

const t:TNames = { site:'', description:'', cnpj: ''}
t[NAMES.site] = 'teste'
t.site = 'teste'