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掘金文章黑名单过滤脚本
// ==UserScript==
// @name 掘金文章黑名单
// @namespace https://github.com/hoc2019/blackList
// @version 1.0
// @description 掘金文章黑名单过滤脚本
// @author wangzy
// @e-mail sl2782087@163.com
// @match https://juejin.im/*
// @require https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js
// @grant GM_addStyle
// ==/UserScript==
(function() {
const myScriptStyle =
'.black-btn{height:36px;line-height:36px;text-align:center;color:#ccc}.black-btn.in-black{color:#000}.black-sidebar{position:fixed;width:240px;background:#2d303a;font-size: 16px;top:10%;border-radius:0 0 20px 0;padding:20px 20px 20px 0;z-index:999;transform:translate3d(-100%,0,0);transition:transform .4s ease-out}.black-sidebar-show{transform:translate3d(0,0,0)}.hide-icon{display:none}.black-sidebar-show .hide-icon{display:initial}.black-sidebar-show .show-icon{display:none}.toggle{width:50px;padding:5px;background:#2d303a;position:absolute;top:0;right:-60px;color:#fff;border-radius:0 10px 10px 0;cursor:pointer}.black-sidebar ul{height:80px;padding-left:0;overflow-y:auto;overflow-x:hidden;margin:10px 0}.black-sidebar p{padding-left:20px;color:#0ebeff}.black-sidebar ul::-webkit-scrollbar{width:5px;height:5px}.black-sidebar ul::-webkit-scrollbar-thumb{background:rgba(220,220,220,0.5);border-radius:5px}.black-sidebar ul::-webkit-scrollbar-track{background:#201c29}.black-sidebar li{width:80%;font-size:16px;line-height:26px;color:#fff;font-weight:bold;list-style:none;cursor:pointer;padding-left:50px;position:relative;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.black-sidebar li:hover{background:#000}.black-sidebar li:hover::after{content:"删除";position:absolute;left:10px;font-size:12px;color:#ffdd40}.input-box input{width:82%;border:1px solid rgba(220,220,220,0.4);color:#fff;font-size:16px;line-height:26px;border-radius:4px;background:#262830;margin:5px 0 5px 22px;padding:0 5px}.btn-box{text-align:center}.btn-box span{color:#47cf73;cursor:pointer;margin:0 15px}';
GM_addStyle(myScriptStyle);
let authorBlackList = [];
let keywordsBlackList = [];
getBlackListFromLocalStorage();
addBlackListSidebar();
const pathname = location.pathname.split('/')[1];
if (pathname === 'timeline' || pathname === 'search') {
filterArticle(pathname === 'timeline' ? 'entry-list' : 'main-list');
} else {
addBlackListBtn();
}
document.addEventListener('visibilitychange', function() {
if (document.visibilityState === 'visible') {
updateSidebarList();
if (pathname === 'post') {
const author = getAuthor();
const isInBlack = authorBlackList.includes(author);
console.log(isInBlack);
if (isInBlack) {
$('.panel-btn.black-btn').addClass('in-black');
} else {
$('.panel-btn.black-btn').removeClass('in-black');
}
}
}
});
function addBlackListSidebar() {
const sidebarHtml =
'<div class="black-sidebar"><div class="toggle">Black<br />List<span class="show-icon">></span><span class="hide-icon"><</span></div><div class="author"><p>作者</p><ul></ul></div><div class="keywords"><p>关键字</p><ul></ul></div><div class="input-box"><input type="text" /></div><div class="btn-box"><span data-type="author">+作者</span><span data-type="keywords">+关键字</span></div></div>';
$('body').append($(sidebarHtml));
$('.toggle').click(function() {
$('.black-sidebar').toggleClass('black-sidebar-show');
});
updateSidebarList();
$('.black-sidebar ul').on('click', 'li', function() {
const item = $(this);
blackAction('delete', item.data('type'), item.text());
item.remove();
});
$('.black-sidebar .btn-box span').click(function() {
const input = $('.black-sidebar input');
const value = $.trim(input.val());
if (!value) return;
const item = $(this);
blackAction('add', item.data('type'), value);
input.val('');
});
}
function updateSidebarList() {
getBlackListFromLocalStorage();
const authorLi = authorBlackList.map(
item => `<li data-type="author">${item}<li>`
);
const keywordsLi = keywordsBlackList.map(
item => `<li data-type="keywords">${item}<li>`
);
$('.black-sidebar .author ul')
.empty()
.append(authorLi);
$('.black-sidebar .keywords ul')
.empty()
.append(keywordsLi);
}
function addBlackListBtn() {
const container = $('#juejin');
const config = {
childList: true,
subtree: true
};
let blackBtn;
const handleLoad = mutationsList => {
for (let mutation of mutationsList) {
let type = mutation.type;
let addedNodes = mutation.addedNodes;
switch (type) {
case 'childList':
if (addedNodes.length > 0) {
const username = $('.author-info-block .username');
if (username.text()) {
loadObserver.disconnect();
addBtn();
return;
}
}
break;
}
}
};
const loadObserver = createNodeListener(
container[0],
config,
handleLoad
);
function addBtn() {
const box = $('.article-suspended-panel');
const btn = $('.share-btn.wechat-btn');
const author = getAuthor();
const isInBlack = authorBlackList.includes(author);
blackBtn = btn.clone();
blackBtn
.attr('class', 'panel-btn black-btn')
.text('黑')
.click(defriend);
isInBlack && blackBtn.addClass('in-black');
box.append(blackBtn);
}
function defriend() {
const author = getAuthor();
const arrIndex = authorBlackList.indexOf(author);
const isInBlack = arrIndex >= 0;
if (isInBlack) {
blackBtn.removeClass('in-black');
blackAction('delete', 'author', author, arrIndex);
} else {
blackBtn.addClass('in-black');
blackAction('add', 'author', author);
}
}
}
function filterArticle(articleBox) {
const container = $('#juejin');
let list;
const config = {
childList: true,
subtree: true
};
const handleLoad = mutationsList => {
for (let mutation of mutationsList) {
let type = mutation.type;
let addedNodes = mutation.addedNodes;
switch (type) {
case 'childList':
if (addedNodes.length > 0) {
list = $(`.${articleBox}`);
if (list.children().length) {
loadObserver.disconnect();
const articles = $(`.${articleBox}>.item`);
filter(articles);
createNodeListener(list[0], config, updateLoad);
}
}
break;
}
}
};
const updateLoad = mutationsList => {
for (let mutation of mutationsList) {
let type = mutation.type;
let addedNodes = mutation.addedNodes;
switch (type) {
case 'childList':
if (addedNodes.length > 0) {
filter($(addedNodes));
}
break;
}
}
};
const loadObserver = createNodeListener(
container[0],
config,
handleLoad
);
function filter(articles) {
if (!(keywordsBlackList.length || authorBlackList.length)) return;
articles.each(function() {
const info = $(this);
const author = info.find('.username').text();
const title = info.find('.title').text();
if (authorBlackList.includes(author) || testTitle(title)) {
$(this).hide();
}
});
}
function testTitle(title) {
const titleRegex = new RegExp(keywordsBlackList.join('|'));
if (!keywordsBlackList.length) return false;
return titleRegex.test(title);
}
}
function getBlackListFromLocalStorage() {
authorBlackList = JSON.parse(
localStorage.getItem('authorBlackList') || '[]'
);
keywordsBlackList = JSON.parse(
localStorage.getItem('keywordsBlackList') || '[]'
);
}
function blackAction(action, type, name, delIndex) {
const list = type === 'author' ? authorBlackList : keywordsBlackList;
if (action === 'add') {
const node = `<li data-type="${type}">${name}<li>`;
$(`.black-sidebar .${type} ul`).append(node);
list.push(name);
} else {
const index = delIndex || list.indexOf(name);
index >= 0 &&
list.splice(index, 1) &&
$(`.black-sidebar .${type} li`)
.eq(index)
.remove();
}
localStorage.setItem(`${type}BlackList`, JSON.stringify(list));
}
function getAuthor() {
const authorBox = $('.author-info-block .username').eq(0);
const author = authorBox.length ? authorBox.text() : '';
return author;
}
function createNodeListener(node, config, mutationCallback) {
const observer = new MutationObserver(mutationCallback);
observer.observe(node, config);
return observer;
}
})();