Teascade.net/ts/main.ts
2016-11-02 17:05:56 +02:00

50 lines
1.5 KiB
TypeScript

interface Window {
currPage: string;
currOpacity: number;
}
function main(page: string) {
window.currPage = page;
window.currOpacity = 1;
document.getElementById("about-link").attributes.removeNamedItem("href");
document.getElementById("games-link").attributes.removeNamedItem("href");
document.getElementById("blog-link").attributes.removeNamedItem("href");
document.getElementById("about-link").onclick = () => openPage("about");
document.getElementById("games-link").onclick = () => openPage("games");
document.getElementById("blog-link").onclick = () => openPage("blog");
}
function openPage(page: string) {
if (page == window.currPage) { return; }
slideOpacity(() => {
document.getElementById(window.currPage).className = "hiddenarea";
window.currPage = page;
document.getElementById(page).style.opacity = "0";
document.getElementById(page).className = "";
let target = page;
if (target == "about") { target = "" };
//window.history.pushState(target, target, `/${target}/`);
slideOpacity(() => {
}, 1.5);
}, -1.5);
}
function slideOpacity(callback: () => void, step: number) {
let currElem = document.getElementById(window.currPage);
let id = setInterval(() => {
window.currOpacity += 0.02 * step;
currElem.style.opacity = "" + window.currOpacity;
if ((window.currOpacity <= 0 && step < 0) || (window.currOpacity >= 1 && step > 0)) {
clearInterval(id);
callback();
}
}, 2);
}