Highlights messages by user, on username or @username click
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// ==UserScript==
// @name Twitch Chat User Highlight
// @namespace 1N07
// @version 0.4
// @description Highlights messages by user, on username or @username click
// @author 1N07
// @require https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js
// @include https://www.twitch.tv*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @noframes
// ==/UserScript==
(function() {
'use strict';
var ChatList, MutUser, ChatGetInterval, AutoHighlightStopTimeout;
const MutConf = {childList: true};
const Observer = new MutationObserver(OnNewComment);
var HighlightStopTimer = GM_getValue("HighlightStopTimer", 5);
var MenuOptionRegister;
MenuOptionRegister = GM_registerMenuCommand("Set HighlightStopTimer ("+HighlightStopTimer+")", MenuOptionRegisterFunc);
function MenuOptionRegisterFunc()
{
HighlightStopTimer = prompt("Set HighlightStopTimer\nThe time it takes for the user highlighting to automatically stop after the mouse leaves the chat area.\nRe-entering the chat area resets and stops the timer.", HighlightStopTimer);
GM_setValue("HighlightStopTimer", HighlightStopTimer);
GM_unregisterMenuCommand(MenuOptionRegister);
MenuOptionRegister = GM_registerMenuCommand("Set HighlightStopTimer ("+HighlightStopTimer+")", MenuOptionRegisterFunc);
}
addGlobalStyle(`
.tcuh-highlighted {
border: rgba(255,255,255,0.5) 2px solid;
background: rgba(255,255,255,0.15);
}
.chat-line__message-mention, .mention-fragment, .mentioning
{
cursor: pointer;
font-weight: 700;
}
`);
var lastCheckedUrl = window.location.href;
OnPageLoad();
setInterval(() => {
if(lastCheckedUrl != window.location.href)
{
lastCheckedUrl = window.location.href;
OnPageLoad();
}
}, 200);
function OnPageLoad()
{
Initialize();
AfterChatIsAvailable(() => {
StartClickListener();
});
}
function Initialize()
{
if(ChatGetInterval)
clearInterval(ChatGetInterval);
if(ChatList && ChatList.length > 0)
ChatList.off();
MutUser = ChatList = ChatGetInterval = null;
StopHighlightingUsers();
}
function AfterChatIsAvailable(callback)
{
ChatGetInterval = setInterval(() => {
ChatList = $("div.video-chat__message-list-wrapper > div > ul");
if(ChatList.length == 0) ChatList = $(".chat-scrollable-area__message-container");
if(ChatList.length > 0)
{
callback();
clearInterval(ChatGetInterval);
}
}, 50);
}
function StartClickListener()
{
ChatList.on("click", ".video-chat__message-author, .chat-line__username", function(e){
e.preventDefault();
e.stopPropagation();
let user = $(this).closest(".chat-line__message[data-user]");
if(user.length == 0) user = $(this).find(".chat-author__display-name");
user = user.data("user") || user.data("aUser");
StartHighlightingUser(user);
});
ChatList.on("click", ".chat-line__message-mention, .mention-fragment, .mentioning", function(e){
e.preventDefault();
e.stopPropagation();
let user = $(this).data("login") || $(this).text().replace("@", "").toLowerCase();
StartHighlightingUser(user);
});
}
function StartHighlightingUser(user)
{
if(user && user.length > 0)
{
StopHighlightingUsers(false);
if(user == MutUser)
MutUser = null;
else
{
MutUser = user;
let targets = ChatList.find(".chat-line__message[data-user='"+MutUser+"']");
if(targets.length > 0)
{
targets.each(function(e){
$(this).addClass("tcuh-highlighted");
});
}
else
{
ChatList.find(".chat-author__display-name[data-a-user='"+MutUser+"']").each(function(e){
let target = $(this).closest("li.tw-full-width");
if(target.length == 0) target = $(this).closest(".chat-line__message");
if(target.length > 0) target.addClass("tcuh-highlighted");
});
}
Observer.observe(ChatList[0], MutConf);
if(HighlightStopTimer != 0)
{
$(".chat-shell").off();
$(".chat-shell").mouseenter(function(){
clearTimeout(AutoHighlightStopTimeout);
});
$(".chat-shell").mouseleave(function(){
StartHighlightAutoStopTimer();
});
}
}
}
}
function StartHighlightAutoStopTimer()
{
clearTimeout(AutoHighlightStopTimeout);
AutoHighlightStopTimeout = setTimeout(StopHighlightingUsers, HighlightStopTimer * 1000);
}
function StopHighlightingUsers(alsoClearMutUser = true)
{
if(alsoClearMutUser)
MutUser = null;
$(".tcuh-highlighted").removeClass("tcuh-highlighted");
Observer.disconnect();
}
function OnNewComment(mutationsList, observer)
{
for(let i = 0; i < mutationsList.length; i++)
{
if(mutationsList[i].type == 'childList' && mutationsList[i].addedNodes.length > 0)
{
for(let j = 0; j < mutationsList[i].addedNodes.length; j++)
{
if($(mutationsList[i].addedNodes[j]).find(".chat-author__display-name[data-a-user='"+MutUser+"']").length > 0)
$(mutationsList[i].addedNodes[j]).addClass("tcuh-highlighted");
else if($(mutationsList[i].addedNodes[j]).data("user") == MutUser)
$(mutationsList[i].addedNodes[j]).addClass("tcuh-highlighted");
}
}
}
}
function addGlobalStyle(css)
{
var head, style;
head = document.getElementsByTagName('head')[0];
if (!head) { return; }
style = document.createElement('style');
style.type = 'text/css';
style.innerHTML = css;
head.appendChild(style);
}
})();