sorogon/StaticGalleryBuilder
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different prefetch

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This commit is contained in:
Florian Greistorfer
2026-02-06 10:51:36 +01:00
committed by Florian Greistorfer
parent 104f0c18e9
commit ce6b5ebb39
3 changed files with 22 additions and 15 deletions
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27
templates/functionality.js
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@@ -47,22 +47,21 @@ class PhotoGallery {
}
prefetch(imgIndex) {
if (this.controllers[imgIndex]) {
this.cancel(imgIndex);
}
const controller = new AbortController();
const signal = controller.signal;
this.controllers[imgIndex] = controller;
const urlToFetch = this.shown[imgIndex]?.src;
if (urlToFetch) {
fetch(urlToFetch, { method: "GET", signal }).catch(() => {});
}
const prefetchDiv = document.getElementById("img-prefetch");
if (!prefetchDiv) return;
const img = document.createElement("img");
img.src = this.shown[imgIndex]?.src || "";
prefetchDiv.appendChild(img);
}
cancel(imgIndex) {
if (this.controllers[imgIndex]) {
this.controllers[imgIndex].abort();
delete this.controllers[imgIndex];
const prefetchDiv = document.getElementById("img-prefetch");
if (!prefetchDiv) return;
const img = prefetchDiv.querySelector(`img[src="${this.shown[imgIndex]?.src || ""}"]`);
if (img) {
prefetchDiv.removeChild(img);
}
}
@@ -393,7 +392,7 @@ class PhotoGallery {
if (!isNaN(index)) this.openSwipe(index);
});
imagelist.addEventListener("mouseover", (event) => {
imagelist.addEventListener("mouseenter", (event) => {
const img = event.target.closest("img");
if (!img || !img.dataset.index) return;
const index = parseInt(img.dataset.index);