egedraw onchat

// example: onchat(function(m) {console.log(m)});
chatevents = [];
funcstr = onmes.toString();
funcstr = funcstr.replaceAll('var dv = document.createElement("div");', 'if(parsed.type != \'userjoin\' && parsed.type != \'userinfoupdate\') chatevents.forEach(func => func(parsed)); var dv = document.createElement("div");');
eval(funcstr);
function onchat(call) {
    if (typeof call != "function") throw "Callback is not a function";
    chatevents.push(call);
};
function offchat(call) {
    while(true) {
        const i = chatevents.indexOf(call);
        if (i == -1) break;
        chatevents.splice(i, 1);
    };
};