Typescript quick translation system from constants

trad.ts

const FR = {
  hi: "bijour",
};

const UK = {
  hi: "hello",
};

type Trad = typeof FR;

export const Trads = getLang("fr");

function getLang(lg: string): Trad {
  switch (lg) {
    case "fr":
      return FR;
    case "en":
    case "uk":
    case "us":
      return UK;

    default:
      break;
  }
}
Trads.hi;