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优化北大树洞无限滚动，收藏搜索，页面展示等
// ==UserScript==
// @name fxxk-tree-hole
// @namespace xiaotianxt/fxxk-tree-hole
// @version 0.0.2
// @author monkey
// @description 优化北大树洞无限滚动，收藏搜索，页面展示等
// @icon https://treehole.pku.edu.cn/web/favicon.ico
// @match *://treehole.pku.edu.cn/web/*
// @grant GM_addStyle
// @run-at document-start
// ==/UserScript==
(o=>{if(typeof GM_addStyle=="function"){GM_addStyle(o);return}const e=document.createElement("style");e.textContent=o,document.head.append(e)})(" #copy-indicator{display:none;color:#8ae}code:has(#copy-indicator){position:relative;cursor:pointer;text-decoration:underline;color:#9bf;-webkit-user-select:none;user-select:none}code:has(#copy-indicator):hover #copy-indicator{display:block;background:#fff;padding:1px;border-radius:2px;position:absolute;top:-1.2rem;z-index:10000}.box-header-top-icon:has(#copy-indicator){overflow:unset} ");
(function () {
'use strict';
var __defProp = Object.defineProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __publicField = (obj, key, value) => {
__defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
return value;
};
const c = (t, e) => (e ?? document).querySelector(t), S = async (t, e) => c(t, e) ? c(t, e) : new Promise((n) => {
const o = new MutationObserver(() => {
c(t, e) && (o.disconnect(), n(c(t, e)));
});
o.observe(document, { childList: true, subtree: true });
});
const LS_KEY = "NEVERGONNAGIVEYOUUP";
class Log {
constructor() {
__publicField(this, "map");
__publicField(this, "maxPid", -1);
const jsonData = localStorage.getItem(LS_KEY) || "[]";
this.map = new Map(JSON.parse(jsonData));
}
replace(data, pid) {
var _a;
const threads = ((_a = data == null ? void 0 : data.data) == null ? void 0 : _a.data) || [];
if (!threads.length) {
if (pid && this.map.has(Number(pid))) {
threads.splice(0, 0, this.map.get(Number(pid)));
}
return data;
}
threads.forEach((t) => this.map.set(t.pid, t));
this.save();
let i = 0;
let j = threads[0].pid;
while (i < threads.length) {
const thread = threads[i];
if (thread.pid != j) {
if (this.map.has(j)) {
const recoveredThread = this.map.get(j);
recoveredThread.text = "[⚠️被删除的树洞]" + recoveredThread.text;
threads.splice(i, 0, recoveredThread);
} else {
threads.splice(i, 0, {
...thread,
pid: j,
text: "⚠️ 本树洞被删除了",
reply: "NaN",
likenum: "NaN"
});
}
j -= 1;
i += 1;
continue;
}
j -= 1;
i += 1;
}
return data;
}
async save() {
console.log(JSON.stringify(Array.from(this.map)));
localStorage.setItem(LS_KEY, JSON.stringify(Array.from(this.map)));
}
}
const log = new Log();
(async () => {
function registerInfiniteScrollInjection() {
const observer = new MutationObserver((mutations, _) => {
var _a, _b;
const drawer = (_b = (_a = mutations.find(
(item) => {
var _a2;
return ((_a2 = item.addedNodes) == null ? void 0 : _a2[0]) && item.addedNodes[0].isSameNode(app.childNodes[2]);
}
)) == null ? void 0 : _a.addedNodes) == null ? void 0 : _b[0];
if (!drawer)
return;
const infiniteScrollContainer = drawer.querySelector(".sidebar-content");
if (!infiniteScrollContainer)
return;
infiniteScrollContainer.setAttribute("infinite-scroll-distance", "1000");
});
observer.observe(app, {
childList: true
});
const originalGetById = document.getElementById;
document.getElementById = (elementId) => {
if (elementId == "table_list") {
const tableList = originalGetById.apply(document, [
elementId
]);
return new Proxy(tableList, {
get(obj, p) {
if (p === "offsetHeight")
return obj.offsetHeight - 950;
return obj[p];
}
});
}
return originalGetById.apply(document, [elementId]);
};
}
function registerCopyThread() {
const copyLabel = document.createElement("div");
copyLabel.id = "copy-indicator";
copyLabel.innerText = "复制树洞";
const observer = new MutationObserver(async (mutations, _) => {
var _a, _b;
const drawer = (_b = (_a = mutations.find(
(item) => {
var _a2;
return ((_a2 = item.addedNodes) == null ? void 0 : _a2[0]) && item.addedNodes[0].isSameNode(app.childNodes[2]);
}
)) == null ? void 0 : _a.addedNodes) == null ? void 0 : _b[0];
if (!drawer)
return;
const element = await S(".box-id", drawer);
element.appendChild(copyLabel);
element.addEventListener("click", () => {
});
});
observer.observe(app, {
childList: true
});
}
function undoDelete() {
const originalSend = XMLHttpRequest.prototype.send;
Object.defineProperty(XMLHttpRequest.prototype, "_response", {
writable: true
});
XMLHttpRequest.prototype.send = function(body) {
this.onreadystatechange = () => {
const url = new URL(this.responseURL, window.location.href);
if (!/\/api\/pku_hole/.test(url.pathname))
return;
if (this.readyState === 4 && this.status === 200) {
Object.defineProperty(this, "responseText", {
get: function() {
let modifiedData;
try {
const originalData = JSON.parse(this._response);
modifiedData = log.replace(
originalData,
url.searchParams.get("pid")
);
} catch (e) {
console.error("解析JSON数据出错:", e);
modifiedData = this._response;
}
return JSON.stringify(modifiedData);
}
});
}
};
const originalOnload = this.onload;
this.onload = (e) => {
if (this.response) {
this._response = this.response;
}
if (originalOnload) {
originalOnload.call(this, e);
}
};
originalSend.call(this, body);
};
}
undoDelete();
const app = await S("#eagleMapContainer");
(await S(".icon-refresh")).click();
registerCopyThread();
registerInfiniteScrollInjection();
})();
})();