Fix broken tooltips

Fixes tooltips not showing for icons near edges or right-most in lists
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// ==UserScript==
// @name         Fix broken tooltips
// @namespace    torn.com.tooltip.fix
// @version      1.8
// @description  Fixes tooltips not showing for icons near edges or right-most in lists
// @author       Xiphias[187717]
// @match        https://www.torn.com/*
// @run-at       document-end
// @license      MIT
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    const TOOLTIP_SELECTOR = '[data-floating-ui-portal] [role="tooltip"]';

    function getNewestTooltip() {
        const tooltips = [...document.querySelectorAll(TOOLTIP_SELECTOR)]
        .filter(t => t instanceof HTMLElement);

        return tooltips.at(-1) || null;
    }

    function hideOtherTooltips(activeTooltip) {
        document.querySelectorAll(TOOLTIP_SELECTOR).forEach(tooltip => {
            if (tooltip instanceof HTMLElement && tooltip !== activeTooltip) {
                tooltip.style.opacity = '0';
            }
        });
    }

    function fixAllTooltips() {
        const activeTooltip = getNewestTooltip();

        if (!activeTooltip) {
            return;
        }

        hideOtherTooltips(activeTooltip);

        if (activeTooltip.style.opacity === '0') {
            activeTooltip.style.opacity = '1';
        }
    }

    const observer = new MutationObserver((mutations) => {
        for (const mutation of mutations) {
            for (const node of mutation.addedNodes) {
                if (
                    node instanceof HTMLElement &&
                    (
                        node.matches?.(TOOLTIP_SELECTOR) ||
                        node.querySelector?.(TOOLTIP_SELECTOR)
                    )
                ) {
                    requestAnimationFrame(fixAllTooltips);
                    return;
                }
            }
        }
    });

    observer.observe(document.documentElement, {
        childList: true,
        subtree: true
    });

    window.addEventListener('resize', fixAllTooltips, true);
    window.addEventListener('scroll', fixAllTooltips, true);
})();