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