This is how you really block people
// ==UserScript==
// @name Facebook (Messenger) Blacklist
// @namespace AAAAAAAA.com
// @version 2.1
// @description This is how you really block people
// @author ducktrshessami
// @match *://www.facebook.com/*
// @run-at document-end
// @require https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js
// ==/UserScript==
(function() {
const blacklist = [ // Fill this list with their Facebook names
""
];
/***************** ^^ Edit above list ^^ *****************/
function main() { // Triggered by page change on facebook.com
theMeat();
recentMessage();
}
function cleanup() { // Check for removed names from the blacklist
for (var name in blacklistMetadata) {
if (!blacklist.includes(name)) {
delete blacklistMetadata[name];
}
}
}
async function update(name, data, thread) { // Update a blacklisted user's nickname
if (!blacklistMetadata[name]) {
blacklistMetadata[name] = { nicknames: {} };
}
blacklistMetadata[name].avatar = data.avatar || blacklistMetadata[name].avatar;
blacklistMetadata[name].nicknames[thread] = data.nickname || blacklistMetadata[name].nicknames[thread];
cleanup();
window.localStorage.setItem("MessengerBlacklistMetadata", JSON.stringify(blacklistMetadata));
}
function theMeat() { // Hide messages and read receipts (also trigger nickname update)
let tabs = $("[data-pagelet='ChatTab']");
if (tabs.length) {
blacklist.forEach((name) => {
let curTab, title, messages, nickname;
let seen = tabs.find(`span > img[alt*="Seen by ${name}"]:visible`);
let avatar = seen.attr("src");
let filTabs = tabs.has(seen);
seen.hide();
if (filTabs.length) { // Get messages with same avatar as read receipt
for (let i = 0; i < filTabs.length; i++) {
curTab = $(filTabs[i]);
title = curTab.children().children().attr("aria-label");
messages = curTab.find("div[data-testid='incoming_group']:visible").has(`img[src='${avatar}']:visible`).hide();
nickname = messages.first().children(":last-child").children(":first-child").text();
if (title && (nickname || avatar)) {
update(name, { nickname: nickname, avatar: avatar }, title);
}
}
}
else {
if (blacklistMetadata[name]) { // Get messages with stored avatar
for (let i = 0; i < tabs.length; i++) {
curTab = $(tabs[i]);
title = curTab.children().children().attr("aria-label");
avatar = blacklistMetadata[name].avatar;
messages = curTab.find("div[data-testid='incoming_group']:visible").has(`img[src='${avatar}']:visible`).hide();
nickname = messages.first().children(":last-child").children(":first-child").text();
if (title && (nickname || avatar)) {
update(name, { nickname: nickname, avatar: avatar }, title);
}
}
}
}
});
}
}
async function recentMessage() { // Hide latest message in chat head tooltip thing
for (let name in blacklistMetadata) {
for (let thread in blacklistMetadata[name].nicknames) {
let nickname = blacklistMetadata[name].nicknames[thread] || name;
let recent = $(`div > span:visible`).filter(function() {
if (this.childElementCount) {
let content = getCleanContent(this.children[0]);
return content.startsWith(`${nickname}:`);
}
});
recent.hide();
}
}
}
function getCleanContent(element) { // Parse text content with image alts
let content = "";
for (let child of element.childNodes) {
if (child.tagName == "SPAN") {
let imgText = $(child).children().attr("alt");
if (imgText) {
content += imgText;
}
}
else {
content += child.textContent;
}
}
return content;
}
var blacklistMetadata, observer = new MutationObserver(main);
if (!(blacklistMetadata = JSON.parse(window.localStorage.getItem("MessengerBlacklistMetadata")))) { // Check for stored value
blacklistMetadata = new Object;
window.localStorage.setItem("MessengerBlacklistMetadata", JSON.stringify(blacklistMetadata));
}
observer.observe(document.body, { // Wait for page change
childList: true,
subtree: true
});
window.addEventListener("beforeunload", () => { // Store before leaving
cleanup();
window.localStorage.setItem("MessengerBlacklistMetadata", JSON.stringify(blacklistMetadata));
});
})();