Facebook User List Maker

Save and Load Friend Lists for Facebook Lists
当前为 2017-12-02 提交的版本，查看最新版本。
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// ==UserScript==
// @name         Facebook User List Maker
// @namespace    facebookuserlistmaker
// @version      1.0.2
// @author       Tophness
// @match        http://www.facebook.com/*friends*
// @match        https://www.facebook.com/*friends*
// @match        http://www.facebook.com/bookmarks/lists*
// @match        https://www.facebook.com/bookmarks/lists*
// @description  Save and Load Friend Lists for Facebook Lists
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js
// @grant   GM_getValue
// @grant   GM_setValue
// @grant   GM_deleteValue
// @grant   GM_listValues
// @run-at       document-idle
// ==/UserScript==
 
var friendsSelector = 'div[id$="_friends"]';
var storySelector = 'div[id^="friends_"]';
var storySelector2 = 'div[data-testid="friend_list_item"]';
var users = [];
var mutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver;
 
function includes(k) {
  for(var i=0; i < this.length; i++){
    if( this[i].name === k || ( this[i].name !== this[i] && k !== k ) ){
      return true;
    }
  }
  return false;
}
 
function block(story) {
  if (!story) {
    return;
  }
  if (story.getElementsByTagName('a').length) {
    var links = story.getElementsByTagName('a');
    for (var i = 0; i < links.length; i++) {
      if(links[i].outerHTML.indexOf('data-hovercard') != -1){
      	var uname = links[i].innerText;
        var uid = links[i].getAttribute('data-hovercard');
        uid = uid.substring(uid.indexOf('id=') + 3);
        uid = uid.substring(0, uid.indexOf('&'));
        if(uname != ""){
            var newuser = {};
            newuser.name = uname;
            newuser.id = uid;
            if(!users.includes(newuser.name)){
                users.push(newuser);
            }
        }
      }
    }
  }
}
 
function process() {
  if(document.forms.save.dosave.value == "true" && document.forms.save.listname.value != ""){
  var stories = document.querySelector(friendsSelector);
  if (!stories) {
    return;
  }
  var story = stories.querySelectorAll(storySelector);
  if (!story.length) {
      story = stories.querySelectorAll(storySelector2);
      if (!story.length) {
          return;
      }
  }
  for (var i2 = 0; i2 < story.length; i2++) {
    block(story[i2]);
  }
      GM_setValue(document.forms.save.listname.value, JSON.stringify(users));
  }
}
 
function waitForEl(selector, callback, timer=100){
    var poller1 = setInterval(function(){
        $jObject = jQuery(selector);
        if($jObject.length < 1){
            return;
        }
        clearInterval(poller1);
        callback($jObject);
    },timer);
}
 
function uToken(username, id){
    var newdiv = document.createElement('span');
    newdiv.className = "removable uiToken";
    var newdiv2 = document.createElement('span');
    newdiv2.className = "uiTokenText";
    newdiv2.innerHTML = username;
    var newdiv3 = document.createElement('input');
    newdiv3.name="members[]";
    newdiv3.autocomplete="off";
    newdiv3.type="hidden";
    newdiv3.value = id;
    var newdiv4 = document.createElement('input');
    newdiv4.value=username;
    newdiv4.name="text_members[]";
    newdiv4.autocomplete="off";
    newdiv4.type="hidden";
    var newdiv5 = document.createElement('a');
    newdiv5.href="#";
    newdiv5.aria_label="Remove " + username;
    newdiv5.className="remove uiCloseButton uiCloseButtonSmall";
    newdiv.appendChild(newdiv4);
    newdiv.appendChild(newdiv3);
    newdiv.appendChild(newdiv2);
    document.getElementById('fbFriendListTokenizer').getElementsByClassName('tokenarea')[0].appendChild(newdiv);
}
 
function listpaste(){
    if(document.getElementById('createListMembers')){
        if(document.getElementById('createListname') && document.forms.load.listnames.value){
            document.getElementById('createListname').value = document.forms.load.listnames.value;
        }
        if(document.getElementById('fbFriendListTokenizer').getElementsByClassName('tokenarea')[0]){
            document.getElementById('fbFriendListTokenizer').getElementsByClassName('tokenarea')[0].className = "tokenarea";
        }
        for (var i = 0; i < users.length; i++) {
            uToken(users[i].name, users[i].id);
        }
    }
    else{
        setTimeout(listpaste, 1000);
    }
}
 
 
function observebody(){
    if(document.forms.save.dosave.value == "true"){
        var listname = document.forms.save.listname.value.toLowerCase().replace(/[^a-zA-Z0-9]+/g, "");
        users = JSON.parse(GM_getValue(listname, "[]"));
        if(!users){
            console.warn("error");
        }
        users.includes = includes;
        process();
    }
    else{
        setTimeout(observebody, 1000);
    }
}
 
function loadbegin(){
    if(document.forms.load.doload.value == "true"){
        users = JSON.parse(GM_getValue(document.forms.load.listnames.value, "[]"));
        if(!users){
            console.warn("error");
        }
        users.includes = includes;
        if(contentarea.getElementsByClassName('uiHeaderActions')[0].childNodes[0]){
            contentarea.getElementsByClassName('uiHeaderActions')[0].childNodes[0].addEventListener('click', listpaste, false);
            contentarea.getElementsByClassName('uiHeaderActions')[0].childNodes[0].click();
        }
    }
    else if(document.forms.load.dodelete.value == "true"){
        var select = document.forms.load.listnames;
        GM_deleteValue(select.value);
        dvalue = select.selectedIndex;
        select.removeChild(select[dvalue]);
    }
    else{
        setTimeout(loadbegin, 1000);
    }
}
 
if(location.href.indexOf('bookmarks/lists/') != -1){
    var contentarea = document.getElementById('contentArea');
    waitForEl(contentarea, function() {
        var loadbut = document.createElement('div');
        loadbut.innerHTML = '<form name="load"><input type=button onclick="document.forms.load.doload.value=true;" value="Load List"><input type=hidden name=doload value="false"><input type=hidden name=dodelete value="false"><input type=button onclick="document.forms.load.dodelete.value=true;" value="Delete List"></form>';
        var x = document.createElement("select");
        x.name="listnames";
        var alllists = GM_listValues();
        for (var i = 0; i < alllists.length; i++) {
            var option = document.createElement("option");
            option.text = alllists[i];
            x.add(option);
        }
        contentarea.insertAdjacentElement('afterbegin', loadbut);
        document.forms.load.appendChild(x);
        loadbegin();
    });
}
else if(location.href.indexOf('/friends') != -1){
    waitForEl(document.querySelector(friendsSelector), function() {
        var savebut = document.createElement('div');
        savebut.innerHTML = '<form name="save"><input type=button onclick="document.forms.save.dosave.value=true;" value="Save List"><input type=text name=listname><input type=hidden name=dosave value="false"></form>';
        document.querySelector(friendsSelector).insertAdjacentElement('afterbegin', savebut);
        var observer = new mutationObserver(process);
        observer.observe(document.querySelector('body'), {
            'childList': true,
            'subtree': true
        });
        observebody();
    },500);
}