はてブの非表示ユーザをlivedoor Readerでも非表示にする

ldr-hateb-ignore-users.user.js

// ==UserScript==
// @name           ldr-hateb-ignore-users
// @namespace      http://www.hatena.ne.jp/hitode909
// @include        http://reader.livedoor.com/reader/
// @include        http://fastladder.com/reader/
// ==/UserScript==

var IGNORE_USERS_RULE = '';

function get_ignore_users() {
    var ignore_users_cache = eval(GM_getValue("ignore_users") || "null");

    if (ignore_users_cache && ignore_users_cache.expire > Date.now()) {
        IGNORE_USERS_RULE = ignore_users_cache.ignore_users;
        return;
    }

    GM_xmlhttpRequest({
        method: "GET",
        url: "http://b.hatena.ne.jp/my/config",
        onload: function(response) {
            try {
                var tmp = document.createElement('div');
                tmp.innerHTML = response.responseText;
                var ignore_users = tmp.querySelector('input[name="ignore_users"]').value;
                GM_setValue("ignore_users", uneval({ignore_users: ignore_users, expire: Date.now() + 24 * 3600 * 1000}));
                IGNORE_USERS_RULE = ignore_users;
            } catch(e) {
                console.log(e);
            }
        }
    });
}

function reset() {
    GM_deleteValue("ignore_users");
    get_ignore_users();
}

function start() {
    document.body.addEventListener('DOMNodeInserted',function(event){
        var element = event.target;

        if (element.className.match('item')
            && element.textContent.match(IGNORE_USERS_RULE)
            || Array.some(element.querySelectorAll('a'), function(a) { return a.href.match(IGNORE_USERS_RULE) })
           ) ng(element);

    }, false);
}

function ng(element) {
    if (element.nodeType == 3) {
        element.textContent = element.textContent.replace(/\S/g, function(_) { return 'あ' });
    }
    if (element.childNodes) {
        Array.forEach(element.childNodes, function(child) {
            ng(child);
        });
    }
}

GM_registerMenuCommand('ldr hateb ignore users - clear cache', reset);

get_ignore_users();
start();