Add row numbers to the user log
// ==UserScript==
// @name GGn Row Numbers in User Log
// @namespace none
// @version 2
// @description Add row numbers to the user log
// @author ingts
// @match https://gazellegames.net/user.php?*action=userlog*
// ==/UserScript==
const table = document.querySelector('#content > div > table')
const tbody = table.querySelector('tbody')
const page = new URL(location.href).searchParams.get('page')
const startIndex = page ? (page - 1) * 50 : 0
tbody.firstElementChild.insertAdjacentHTML('afterbegin', `<td style="width: 1px;"><strong>#</strong></td>`)
function number(tr) {
tr.insertAdjacentHTML('afterbegin', `<td class="nobr"><span>${tr.rowIndex + startIndex}</span></td>`)
}
tbody.querySelectorAll('tr:not(.colhead)').forEach(tr => {
number(tr)
})
new MutationObserver(mutations => {
mutations.forEach(m => {
number(m.addedNodes[0])
})
}).observe(table, {childList: true})