home.js

var splashCacheAll;
var splashCache;

async function randomSay() {
  if (splashCache) {
    if (!splashCache.length) {
      splashCache = splashCacheAll;
    }
    var says = splashCache;
  } else {
    var say = await fetch(location.origin + "/assets/say.json");
    var says = await say.json();
    splashCacheAll = says;
    splashCache = says;
  }

  var getRandomSay = says[Math.floor(Math.random() * says.length)];

  splashCache = splashCache.filter((splash) => splash !== getRandomSay);

  return getRandomSay;
}

async function setRandomSay() {
  var randomSplash = await randomSay();
  if (randomSplash == "%REAL_IP%") {
    var ips = await getIPs();
    if (ips[0]) {
      randomSplash = "Your real IP is " + ips[0];
    } else {
      randomSplash = "Cannot get your real IP :(";
    }
  } else if (randomSplash == "%GAMES_NUMBER%") {
    var gamesFetch = await fetch(location.origin + "/assets/games.json");
    var games = await gamesFetch.json();
    randomSplash = "There are " + games.length + " games currently";
  } else if (randomSplash == "%SPLASH_NUMBER%") {
    randomSplash = "There are " + splashCacheAll.length + " of these messages!";
  }

  document.querySelector(".message").innerText = randomSplash;
}

if (document.querySelector(".message")) {
  setRandomSay();
}