Add keybinds for navigating galllery pages of select booru sites
// ==UserScript==
// @name booru keybinds
// @namespace 861ddd094884eac5bea7a3b12e074f34
// @version 2.0
// @description Add keybinds for navigating galllery pages of select booru sites
// @author Anonymous
// @match https://rule34.xxx/index.php?page=post&s=list&*
// @match https://yande.re/post?page=*
// @grant none
// @license MIT-0
// ==/UserScript==
(function() {
'use strict';
const ITEMS_PER_PAGE = 42;
// Detect pagination type
function detectPaginationType() {
const params = new URLSearchParams(window.location.search);
if (params.has('pid')) {
return 'pid'; // Rule34.xxx-style (pid=0, pid=42, pid=84...)
} else if (params.has('page')) {
return 'page'; // Standard pagination (page=1, page=2, page=3...)
}
return null;
}
function getCurrentPage() {
const params = new URLSearchParams(window.location.search);
const type = detectPaginationType();
if (type === 'pid') {
return parseInt(params.get('pid')) || 0;
} else if (type === 'page') {
return parseInt(params.get('page')) || 1;
}
return null;
}
function navigateToPage(value) {
const params = new URLSearchParams(window.location.search);
const type = detectPaginationType();
if (type === 'pid') {
params.set('pid', value);
} else if (type === 'page') {
params.set('page', value);
}
window.location.href = `${window.location.pathname}?${params.toString()}`;
}
function goToPreviousPage() {
const type = detectPaginationType();
const current = getCurrentPage();
if (type === 'pid') {
if (current > 0) {
const previous = Math.max(0, current - ITEMS_PER_PAGE);
navigateToPage(previous);
}
} else if (type === 'page') {
if (current > 1) {
navigateToPage(current - 1);
}
}
}
function goToNextPage() {
const type = detectPaginationType();
const current = getCurrentPage();
if (type === 'pid') {
navigateToPage(current + ITEMS_PER_PAGE);
} else if (type === 'page') {
navigateToPage(current + 1);
}
}
// Only activate if pagination is detected
const paginationType = detectPaginationType();
if (!paginationType) {
return; // No pagination detected, exit script
}
// Add keyboard event listener
document.addEventListener('keydown', function(e) {
// Ignore if user is typing in an input field
if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') {
return;
}
switch(e.key) {
case 'ArrowLeft':
e.preventDefault();
goToPreviousPage();
break;
case 'ArrowRight':
e.preventDefault();
goToNextPage();
break;
}
});
console.log(`Keybinds loaded (${paginationType} mode). Use ← → arrow keys to navigate gallery pages.`);
})();