XenForo 2 Hide Signatures

xf_hide_signatures.user.js

// ==UserScript==
// @name         XenForo 2 Signature Hide
// @version      1.0
// @description  Removes the signature of specified users
// @author       aequabit
// @match 		 *://*/*
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        unsafeWindow
// @require      https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js
// ==/UserScript==

const getStorage = () => {
	const storageJson = GM_getValue('xf_signature_hide', '{}');
	const storage = JSON.parse(storageJson);

	// Add site storage
    if (!storage.hasOwnProperty(unsafeWindow.location.host)) {
        storage[unsafeWindow.location.host] = { users: [] };
    }

    return storage;
};

const getSiteStorage = () => getStorage()[unsafeWindow.location.host];

const saveSiteStorage = siteStorage => {
    const storage = getStorage();

    // Update site storage
    storage[unsafeWindow.location.host] = siteStorage;

    GM_setValue('xf_signature_hide', JSON.stringify(storage));
};

const setHideSignature = (userId, hide) => {
	const storage = getSiteStorage();

	if (hide) {		
		if (storage.users.includes(userId)) {
			return;
		}

		storage.users.push(userId)

		saveSiteStorage(storage);
	} else {
		if (!storage.users.includes(userId)) {
			return;
		}

		storage.users.splice(storage.users.indexOf(userId), 1);

		saveSiteStorage(storage);
	}

    setSignatureVisibility(userId, hide);
};

const isSignatureHidden = userId => {
	return getSiteStorage().users.includes(userId);
};

const createIgnoreButton = userId => {
	const toggleLinkText = document.createElement('span');
	toggleLinkText.className = 'button-text';
    toggleLinkText.innerText = (isSignatureHidden(userId) ? 'Show' : 'Hide') + ' signature';

    const toggleLink = document.createElement('a');
    toggleLink.className = 'button--link button';
    toggleLink.href = '#';
    toggleLink.onclick = e => {
		setHideSignature(userId, !isSignatureHidden(userId));
		toggleLinkText.innerText = (isSignatureHidden(userId) ? 'Show' : 'Hide') + ' signature';

		e.preventDefault();
		return false;
	};
    toggleLink.append(toggleLinkText);

    const buttonGroup = document.createElement('div');
    buttonGroup.className = 'buttonGroup';
    buttonGroup.append(toggleLink);

	return buttonGroup;
};

const waitForTooltip = async (tooltip) => new Promise((resolve, reject) => {
	// ghetto af
	const interval = setInterval(() => {
		const children = $(tooltip).children();

		const userLink = children.find('.memberTooltip-name > a').first();

		if (userLink.length === 0) {
			return;
		}

		clearInterval(interval);

		resolve();
	}, 100);
});

const insertTooltipButton = async tooltip => {
	const children = $(tooltip).children();

	const userLink = children.find('.memberTooltip-name > a').first();

	if (userLink.length === 0) {
		return;
	}

	const userId = userLink.data('user-id');

	const tooltipActions = children.find('.memberTooltip-actions').first();

	if (tooltipActions.length === 0) {
		return;
	}

	const ignoreButton = createIgnoreButton(userId);

	tooltipActions.append(ignoreButton);
};

const setSignatureVisibility = async (userId, hide) => {
	for (const post of await $('.message--post').toArray()) {
		const children = $(post).children();

		const userLink = children.find('.message-name > a').first();

		if (userLink.length === 0) {
			continue;
		}

		const linkUserId = userLink.data('user-id');

		if (linkUserId !== userId) {
			continue;
		}

		const signature = children.find('.message-signature').first();

		if (signature.length === 0) {
			continue;
		}

        signature.css('display', hide ? 'none' : 'unset');
	}
};

$(document).ready(() => {
    if (unsafeWindow.XF === undefined) {
        return;
    }

    console.log('xf_signature_hide: XenForo detected');

    $('body').bind('DOMNodeInserted', async e => {
        if (e.target.className === 'tooltip tooltip--member') {
            await waitForTooltip(e.target);
            await insertTooltipButton(e.target);
        }
    });

	for (const userId of getSiteStorage().users) {
		setSignatureVisibility(userId, true);
	}
});