Based on rpsthecoder’s square loading favicon image/svg+xml in JavaScript, but now in proper Typescript. /** * Square loading favicon in Typescript * Author: Drikus Roor * Original author: https://github.com/rpsthecoder/square-loading-favicon */ interface IFavicon extends Element { href: string; } export function animateFavicon() { const canvas = document.querySelector("canvas"); if (!canvas) { return; } const context = canvas.getContext("2d"); if (context) { const favicon = document.