// ==UserScript==
// @name         S1论坛帖子已读样式
// @namespace    https://bbs.saraba1st.com/2b/forum.php
// @version      1.10
// @description  刷s1的一些辅助小功能
// @author       You
// @match        https://bbs.saraba1st.com/2b/forum*
// @match        https://bbs.saraba1st.com/2b/thread*
// @grant        none
// @run-at       document-body
// ==/UserScript==
function get(data, key) {
const keys = key.replace(/\[(\d+)\]/g, ".$1").split(".");
let r###lt = data;
while (keys.length && r###lt) {
r###lt = r###lt[keys.shift()];
}
return r###lt;
}
function forEach(arrLike, fn) {
Array.prototype.forEach.call(arrLike, fn);
}
function isThread() {
return location.pathname.includes("thread");
}
function isThreadList() {
return location.pathname.includes("forum");
}
function asyncRun(callback, time = 100) {
const done = () => {
clearInterval(timer);
}
const timer = setInterval(() => {
callback(done);
}, time);
}
function updateThreadReplyNum(id, num) {
localStorage.setItem(id, num);
}
function getThreadLastReplyNum(id) {
const num = localStorage.getItem(id);
return num ? +num : null;
}
function appendStyle() {
const style = document.createElement("style");
style.type = "text/css";
style.appendChild(
document.createTextNode(
".tl th a:visited, .tl td.fn a:visited {color: #818588}"
)
);
style.appendChild(
document.createTextNode(
".tl th a:hover, .tl td.fn a:hover {color: #022C80}"
)
);
document.body.appendChild(style);
}
(function () {
"use strict";
// 修改帖子样式
appendStyle();
// 动态修改url
const hasReplacedIds = new Set();
let table = null;
let lastThreadNum = 0;
let observer = null;
function observeThreads() {
const threads = Array.from(
document.querySelectorAll("#threadlisttableid tbody tr")
).filter((element) => !hasReplacedIds.has(element.parentNode.id));
threads.forEach((t) => observer.observe(t));
}
function initObserver() {
observer = new IntersectionObserver(
(entities) => {
entities.forEach((entity) => {
if (entity.isIntersecting) {
const thread = entity.target;
observer.unobserve(thread);
const id = thread.parentNode.id;
if (hasReplacedIds.has(id)) {
return;
}
hasReplacedIds.add(id);
// url
const replyNum = get(thread.querySelector('.num a'), 'textContent');
const title = thread.querySelector('.xst');
if (title && replyNum) {
title.href += `#${replyNum}`;
}
// reply num
const tid = get(id.match(/\d+/), "0");
const lastReplyNum = +getThreadLastReplyNum(tid);
if (lastReplyNum && replyNum && replyNum - lastReplyNum > 0) {
title.textContent = `+${replyNum - lastReplyNum} ${
title.textContent
}`;
}
}
});
}, {
rootMargin: "100px",
}
);
}
function onThreadClick() {
asyncRun((done) => {
if (table) {
table.addEventListener('mouseup', (e) => {
// 0 左键 1 中键 2 右键
if (![0, 1].includes(e.button)) {
return;
}
let element = e.target;
const validClick = (element.tagName === 'A' && element.href.includes('thread-')) ||
(element.tagName === 'IMG' && element.src === 'https://static.saraba1st.com/image/s1/folder_common.gif');
if (!validClick) {
return;
}
while (element.parentNode) {
if (element.tagName === 'TBODY') {
const replyNum = get(element.querySelector('.num a'), 'textContent');
const tid = get(element.id.match(/\d+/), "0");
if (replyNum && tid) {
updateThreadReplyNum(tid, replyNum);
}
break;
}
if (element === table) {
break;
}
element = element.parentNode;
}
});
done();
}
})
}
initObserver();
onThreadClick();
asyncRun((done) => {
table = document.getElementById("threadlisttableid");
// 实际发现只检测table并不能保证帖子全加载了
const nextPageBtn = document.querySelector("#autopbn");
if (table && nextPageBtn) {
lastThreadNum = table.childElementCount;
observeThreads();
done()
}
});
// 监控下一页
asyncRun((done) => {
const nextPageBtn = document.querySelector("#autopbn");
if (nextPageBtn) {
nextPageBtn.addEventListener("click", () => {
const threads = document.querySelectorAll("#threadlisttableid tbody tr");
const lastThread = threads[threads.length - 1];
console.log(lastThread)
asyncRun((done) => {
if (table.childElementCount > lastThreadNum) {
lastThread.style.backgroundColor = '#CCCC99';
lastThreadNum = table.childElementCount;
observeThreads();
done()
}
});
});
done();
}
});
if (isThread()) {
// 帖子中跳转翻页变成当前页加载
asyncRun((done) => {
const LoadingText = ' 正在加载中...';
const nextPageBtn = document.querySelector('.pgbtn a');
const postlist = document.querySelector('#postlist');
const paginationInputs = document.querySelectorAll('.pg input')
if (nextPageBtn) {
nextPageBtn.addEventListener('click', (event) => {
event.preventDefault();
nextPageBtn.innerHTML += LoadingText;
fetch(nextPageBtn.href)
.then(res => res.text())
.then(content => {
let nextPageHtml = document.createElement('div');
nextPageHtml.innerHTML = content;
const replies = nextPageHtml.querySelectorAll('#postlist>div');
const tempNextPageBtn = nextPageHtml.querySelector('.pgbtn a');
forEach(replies, (reply) => {
if (reply.id === 'postlistreply') {
return
}
postlist.appendChild(reply);
});
const currentPathname = location.pathname;
history.replaceState(null, '', nextPageBtn.href);
if (tempNextPageBtn) {
nextPageBtn.href = tempNextPageBtn.href;
} else {
nextPageBtn.parentNode.hidden = true;
}
// 改变页码显示，看着顺眼点
forEach(paginationInputs, (input) => {
input.value = +input.value + 1;
});
forEach(document.querySelectorAll('.pg strong'), (currentNum) => {
const nextNum = currentNum.nextSibling;
if (nextNum && nextNum.nodeName === 'A') {
const a = document.createElement('a');
a.innerHTML = currentNum.innerHTML;
a.href = currentPathname;
nextNum.parentNode.replaceChild(a, currentNum);
const strong = document.createElement('strong');
strong.innerHTML = nextNum.innerHTML;
nextNum.parentNode.replaceChild(strong, nextNum)
}
});
forEach(document.querySelectorAll('.pg .prev'), (prev => {
prev.href = currentPathname;
}));
forEach(document.querySelectorAll('.pg .nxt'), (next => {
next.href = tempNextPageBtn.href;
}));
nextPageBtn.innerHTML = nextPageBtn.innerHTML.replace(LoadingText, '');
nextPageHtml = undefined;
})
});
done();
}
})
}
})();