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namespace Ach {
export async function init() {
Ach.loadTheme();
Ach.initImages();
Ach.initLinks();
window.addEventListener("popstate", (_e) => {
location.reload();
});
}
export async function initImages() {
let page = Ach.getOnlyElement(document, "page");
let imageList = Array.from(page.getElementsByTagName("x-image"));
for (let image of imageList) {
let alt = image.getAttribute("alt");
let file = image.getAttribute("data-file");
if (!alt) {
alert("stupid superuser forgot to add image caption, please notify");
alt = "";
}
if (!file) {
throw new Error("file not set for image element");
}
console.log("initialising image that links to \"" + file + "\"");
let sourceUrl = "/image/source/" + file + ".webp";
let thumbnailUrl = "/image/thumbnail/" + file + ".avif";
let blurElement = document.createElement("img");
blurElement.setAttribute("class", "blur");
blurElement.setAttribute("src", thumbnailUrl);
let hyperlinkElement = document.createElement("a");
hyperlinkElement.setAttribute("href", sourceUrl);
hyperlinkElement.setAttribute("rel", "noopener noreferrer");
hyperlinkElement.setAttribute("target", "_blank");
let image_element = document.createElement("img");
image_element.setAttribute("alt", alt);
image_element.setAttribute("src", thumbnailUrl);
hyperlinkElement.appendChild(image_element);
image.appendChild(blurElement);
image.appendChild(hyperlinkElement);
}
}
export async function initLinks() {
console.log("initialising links");
let stats = {
total: 0x0,
overrideCount: 0x0,
currentCount: 0x0,
};
for (let link of document.getElementsByTagName("a")) {
++stats.total;
let address = link.getAttribute("href");
if (!address) {
console.log("note: skipping override of empty link");
continue;
}
let pageAnchor = Ach.parseInternalLink(address);
if (!pageAnchor) {
console.log(`note: skipping override of link to "${address}"`);
continue;
}
console.log(`note: overriding link to "${address}"`);
++stats.overrideCount;
let command = `Ach.loadPage(${JSON.stringify(pageAnchor[0x0])}, ${JSON.stringify(pageAnchor[0x1])})`
link.removeAttribute("href");
link.setAttribute("data-page", pageAnchor[0x0]);
link.setAttribute("onclick", command);
if (pageAnchor[0x1]) {
link.setAttribute("data-anchor", pageAnchor[0x1]);
}
}
let currentPage = Ach.currentPage();
for (let link of document.getElementsByTagName("a")) {
let page = link.getAttribute("data-page");
let anchor = link.getAttribute("data-anchor");
if (page == currentPage && !anchor) {
++stats.currentCount;
link.setAttribute("aria-current", "page");
} else {
link.setAttribute("aria-current", "false");
}
}
console.log(`note: initialised (${stats.total}) links`);
console.log(`note: of which (${stats.overrideCount}) overrides were done`);
console.log(`note: and of which (${stats.currentCount}) were marked as current`);
}
}
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