44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
(function () {
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if (window.__paginationJumpBound) {
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return;
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}
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window.__paginationJumpBound = true;
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function clampPage(value, total) {
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var page = parseInt(value, 10);
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if (!page || page < 1) {
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return 0;
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}
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if (total > 0 && page > total) {
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return total;
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}
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return page;
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}
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function buildPageURL(page) {
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var url = new URL(window.location.href);
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url.pathname = url.pathname.replace(/\/page\/\d+\/?$/, "").replace(/\/$/, "");
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url.searchParams.delete("page");
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if (page > 1) url.pathname += "/page/" + page;
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return url.pathname + url.search + url.hash;
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}
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document.addEventListener("submit", function (event) {
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var form = event.target;
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if (!form || !form.matches || !form.matches("[data-pagination-jump]")) {
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return;
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}
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event.preventDefault();
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var nav = form.closest("[data-pagination]");
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var input = form.querySelector(".pagination-jump-input");
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var total = nav ? parseInt(nav.getAttribute("data-total"), 10) : 0;
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var current = nav ? parseInt(nav.getAttribute("data-page"), 10) : 0;
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var page = clampPage(input && input.value, total);
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if (!page || page === current) {
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return;
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}
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window.location.href = buildPageURL(page);
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});
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})();
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