fix(frontend): stop infinite pagination admin-ajax 400 spam
Hardened list-page infinite scroll so it no longer auto-fires three admin-ajax requests on first paint, returns machine-readable nonce errors, localizes aksrtData earlier for core modules, and ignores UI-only data-action clicks.
This commit is contained in:
+131
-59
@@ -4,6 +4,10 @@
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(function () {
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"use strict";
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function hasAjaxConfig() {
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return !!(window.aksrtData && aksrtData.ajaxUrl && aksrtData.nonce);
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}
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function initAjaxPagination(root) {
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var containers = (root || document).querySelectorAll(".aksrt-pagination-ajax, .ajax-pagination");
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if (!containers.length) return;
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@@ -11,6 +15,7 @@
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var triggerText = (window.aksrtData && aksrtData.ajaxTrigger) || "加载更多";
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var nomoreText = (window.aksrtData && aksrtData.ajaxNomore) || "没有更多了";
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var loadingText = (window.aksrtData && aksrtData.ajaxLoading) || "正在加载...";
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var errorText = (window.aksrtData && aksrtData.ajaxLoadError) || "加载失败，请重试";
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containers.forEach(function (container) {
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if (container.dataset.aksrtPaginationBound === "1") return;
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@@ -23,8 +28,12 @@
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var postId = container.dataset.postId || "";
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var commentOrder = container.dataset.commentOrder || "newest";
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var loading = false;
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var failed = false;
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var loadMoreBtn = container.querySelector(".aksrt-load-more-btn, .ajax-next");
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var indicator = container.querySelector(".aksrt-loading-indicator");
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var observer = null;
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var iasEnabled = false;
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var successfulAutoLoads = 0;
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var target = container.previousElementSibling;
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if (target && target.classList && target.classList.contains("content-stream__footer")) {
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target = target.previousElementSibling;
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@@ -54,8 +63,43 @@
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}
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}
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function loadNextPage() {
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if (loading || nextPage > maxPages || !target) return;
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function stopInfinite(markNomore) {
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if (observer) {
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observer.disconnect();
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observer = null;
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}
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iasEnabled = false;
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container.classList.remove("ias-pending");
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if (markNomore && loadMoreBtn) {
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loadMoreBtn.textContent = nomoreText;
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loadMoreBtn.classList.remove("is-loading");
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loadMoreBtn.classList.add("ajax-nomore");
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loadMoreBtn.style.pointerEvents = "none";
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} else if (loadMoreBtn && !loadMoreBtn.classList.contains("ajax-nomore")) {
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loadMoreBtn.classList.remove("is-loading");
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loadMoreBtn.textContent = failed ? errorText : triggerText;
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loadMoreBtn.style.pointerEvents = "";
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}
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}
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function markFailed(message) {
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failed = true;
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stopInfinite(false);
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if (loadMoreBtn) {
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loadMoreBtn.textContent = message || errorText;
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loadMoreBtn.classList.remove("is-loading");
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loadMoreBtn.classList.remove("ajax-nomore");
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loadMoreBtn.style.pointerEvents = "";
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}
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}
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function loadNextPage(fromAuto) {
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if (loading || failed || nextPage > maxPages || !target) return Promise.resolve(false);
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if (!hasAjaxConfig()) {
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markFailed(errorText);
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return Promise.resolve(false);
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}
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loading = true;
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if (indicator) indicator.style.display = "flex";
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if (loadMoreBtn) {
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@@ -88,49 +132,65 @@
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if (authorOnly === "1") body.set("author_only", "1");
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}
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fetch(aksrtData.ajaxUrl, {
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return fetch(aksrtData.ajaxUrl, {
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method: "POST",
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headers: { "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8" },
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credentials: "same-origin",
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body: body.toString(),
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})
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.then(function (r) {
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return r.json();
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if (!r.ok) {
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throw new Error("HTTP " + r.status);
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}
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return r.text().then(function (text) {
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try {
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return JSON.parse(text);
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} catch (err) {
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throw new Error("Invalid JSON");
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}
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});
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})
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.then(function (res) {
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if (res.success && res.data && res.data.html) {
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var temp = document.createElement("div");
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temp.innerHTML = res.data.html;
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var newItems = temp.children;
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while (newItems.length > 0) {
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target.appendChild(newItems[0]);
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}
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if (isComment && window.AksrtFrontend) {
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AksrtFrontend.rehydrate(target, "ajax");
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}
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nextPage++;
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container.dataset.nextPage = String(nextPage);
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if (!(res && res.success && res.data && typeof res.data.html === "string")) {
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var msg = res && res.data && res.data.message ? res.data.message : errorText;
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markFailed(msg);
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return false;
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}
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if (typeof initLazyLoad === "function") initLazyLoad();
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var temp = document.createElement("div");
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temp.innerHTML = res.data.html;
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var newItems = temp.children;
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while (newItems.length > 0) {
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target.appendChild(newItems[0]);
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}
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if (isComment && window.AksrtFrontend) {
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AksrtFrontend.rehydrate(target, "ajax");
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}
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nextPage++;
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container.dataset.nextPage = String(nextPage);
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if (fromAuto) {
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successfulAutoLoads++;
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}
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if (nextPage > maxPages || !res.data.has_more) {
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if (loadMoreBtn) {
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loadMoreBtn.textContent = nomoreText;
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loadMoreBtn.classList.remove("is-loading");
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loadMoreBtn.classList.add("ajax-nomore");
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loadMoreBtn.style.pointerEvents = "none";
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} else {
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container.innerHTML = '<span class="ajax-nomore">' + nomoreText + '</span>';
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}
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if (typeof initLazyLoad === "function") initLazyLoad(target);
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if (nextPage > maxPages || !res.data.has_more) {
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stopInfinite(true);
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if (!loadMoreBtn) {
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container.innerHTML = '<span class="ajax-nomore">' + nomoreText + '</span>';
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}
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}
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return true;
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})
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.catch(function () {
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markFailed(errorText);
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return false;
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})
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.catch(function () {})
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.finally(function () {
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loading = false;
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hideSkeleton();
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if (indicator) indicator.style.display = "none";
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if (loadMoreBtn && !loadMoreBtn.classList.contains("ajax-nomore")) {
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if (loadMoreBtn && !loadMoreBtn.classList.contains("ajax-nomore") && !failed) {
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loadMoreBtn.classList.remove("is-loading");
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loadMoreBtn.textContent = triggerText;
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}
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@@ -162,43 +222,55 @@
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window.location.href = archiveUrl.toString();
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return;
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}
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loadNextPage();
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// Manual click can recover from a previous auto-load failure.
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failed = false;
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loadNextPage(false);
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});
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}
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if (mode === "infinite" && "IntersectionObserver" in window) {
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if (isComment && window.aksrtData && aksrtData.commentIasAuto === false) {
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} else {
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var sentinel = document.createElement("div");
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sentinel.className = "aksrt-scroll-sentinel";
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container.appendChild(sentinel);
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var lazyloadAction = container.dataset.lazyloadAction || "";
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var iasMax = isComment
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? ((window.aksrtData && typeof aksrtData.commentIasMax !== "undefined") ? parseInt(aksrtData.commentIasMax, 10) : 0)
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: ((window.aksrtData && typeof aksrtData.iasMax !== "undefined") ? parseInt(aksrtData.iasMax, 10) : 0);
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var initialPage = nextPage - 1;
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var observer = new IntersectionObserver(
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function (entries) {
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if (entries[0].isIntersecting && !loading) {
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if (iasMax > 0 && (nextPage - initialPage) >= iasMax) {
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observer.disconnect();
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if (loadMoreBtn) {
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loadMoreBtn.textContent = nomoreText;
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loadMoreBtn.classList.add("ajax-nomore");
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loadMoreBtn.style.pointerEvents = "none";
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}
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return;
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}
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loadNextPage();
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}
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},
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{ rootMargin: "400px" }
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);
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if (lazyloadAction === "ias") {
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container.classList.add("ias-pending");
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}
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observer.observe(sentinel);
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return;
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}
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if (!hasAjaxConfig()) {
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return;
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}
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var sentinel = document.createElement("div");
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sentinel.className = "aksrt-scroll-sentinel";
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container.appendChild(sentinel);
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var lazyloadAction = container.dataset.lazyloadAction || "";
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var iasMax = isComment
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? ((window.aksrtData && typeof aksrtData.commentIasMax !== "undefined") ? parseInt(aksrtData.commentIasMax, 10) : 0)
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: ((window.aksrtData && typeof aksrtData.iasMax !== "undefined") ? parseInt(aksrtData.iasMax, 10) : 0);
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observer = new IntersectionObserver(
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function (entries) {
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if (!iasEnabled || failed) return;
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if (!(entries[0] && entries[0].isIntersecting) || loading) return;
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if (iasMax > 0 && successfulAutoLoads >= iasMax) {
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stopInfinite(true);
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return;
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}
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loadNextPage(true);
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},
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{ rootMargin: "200px" }
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);
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if (lazyloadAction === "ias") {
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container.classList.add("ias-pending");
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}
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// Policy A: do not auto-fire on first paint; wait for real user scroll.
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var enableOnScroll = function () {
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if (iasEnabled || failed) return;
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iasEnabled = true;
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container.classList.remove("ias-pending");
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observer.observe(sentinel);
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};
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window.addEventListener("scroll", enableOnScroll, { passive: true, once: true });
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window.addEventListener("touchmove", enableOnScroll, { passive: true, once: true });
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window.addEventListener("wheel", enableOnScroll, { passive: true, once: true });
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}
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});
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}
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