const etapes = [
  "┌(・ω・)┘",
  "└(・ω・)┐",
  "┌(;・ω・)┘",
  "└(;・ω・)┐",
  "┌(;・ω・;)┘",
  "└(;・ω・;)┐",
];
const assigneTexte = (texte: string): void => ELEMENTS.BOUTON_CODE_PROMO.textContent = texte;
let index = 0;
const z = {};
const callback = () => {
  if (!ELEMENTS.BOUTON_CODE_PROMO.hasAttribute(ATTRIBUT_CHARGEMENT)) {
    ELEMENTS.BOUTON_CODE_PROMO.textContent = "Apply";
    clearInterval(z.interval);
  }

  assigneTexte(etapes.at(index) ?? "Loading...");
  index = index + 1 === etapes.length - 1 ? 0 : index + 1;
};
callback();
z.interval = setInterval(callback, 500);