5chan/src/utils/handleQuoteClick.js

function handleQuoteClick(reply, parentCid, threadCid) {
	const cid = parentCid ? parentCid : reply.shortCid;
	const isMobile = window.innerWidth <= 480;
	const postNumberSelector = isMobile ? '.post-number-mobile' : '.post-number-desktop';

	if (threadCid && cid === threadCid) {
		const highlightedElements = document.querySelectorAll('.highlighted');

		highlightedElements.forEach((el) => {
			el.classList.remove('highlighted');
		});

		const opElementSelector = isMobile ? '.op-mobile' : '.op-desktop';

		const opElement = [...document.querySelectorAll(opElementSelector)].find((el) => {
			const postNumberElement = el.querySelector(postNumberSelector);
			return postNumberElement && postNumberElement.innerHTML.includes(threadCid);
		});

		if (opElement) {
			opElement.scrollIntoView({ behavior: 'auto', block: 'start' });
		} else {
			return;
		}

		return;
	}

	const targetElementSelector = isMobile ? '.post-reply-mobile, .op-mobile' : '.post-reply-desktop, .op-desktop';

	const targetElement = [...document.querySelectorAll(targetElementSelector)].find((el) => {
		const postNumberElement = el.querySelector(postNumberSelector);
		return postNumberElement && postNumberElement.innerHTML.includes(cid);
	});

	if (targetElement) {
		const highlightedElements = document.querySelectorAll('.highlighted-click');

		highlightedElements.forEach((el) => {
			el.classList.remove('highlighted-click');
		});

		targetElement.scrollIntoView({ behavior: 'auto', block: 'start' });

		if (!targetElement.classList.contains('op-mobile') && !targetElement.classList.contains('op-desktop')) {
			targetElement.classList.add('highlighted-click');
		}
	} else {
		return;
	}
}

export default handleQuoteClick;