Library to modify static and dynamic components of osu web pages
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.greasyfork.org/scripts/473977/1249295/osu-web.js
// ==UserScript==
// @name osu-web
// @namespace osu
// @version 1.1.6
// @description Library to modify static and dynamic components of osu web pages
// @author Magnus Cosmos
// ==/UserScript==
let self;
try {
self = unsafeWindow;
} catch (err) {
self = window;
}
// Utils
self.isNonEmptyObj = self.isNonEmptyObj || ((obj) => {
if (obj === null || (typeof obj !== "function" && typeof obj !== "object")) {
return false;
}
for (const _key in obj) {
return true;
}
return false;
});
self.loaded = self.loaded || ((selector, parent = document, options = { childList: true }) => {
return new Promise((resolve) => {
const el = parent.querySelector(selector);
if (el) {
resolve(el);
} else {
new MutationObserver(function (_mutations, observer) {
const el = parent.querySelector(selector);
if (el) {
resolve(el);
observer = observer ? observer : this;
observer.disconnect();
}
}).observe(parent, options);
}
});
});
// Classes
self.Webpack = self.Webpack || (function () {
"use strict";
let _instance;
const inject = (entryPoint, data) => {
try {
self[entryPoint].push(data);
} catch (err) {
throw new Error(`Injection failed: ${err.message}`);
}
}
class Webpack {
constructor(options) {
if (_instance) {
return _instance;
}
_instance = this;
this.modules = {};
let { moduleId, chunkId, entryPoint } = options || {};
moduleId = moduleId || Math.random().toString(36).substring(2, 6);
chunkId = chunkId || Math.floor(101 + Math.random() * 899);
entryPoint = entryPoint || "webpackJsonp";
const data = [
[chunkId],
{
[moduleId]: (_module, _exports, require) => {
for (const key of Object.keys(require.m)) {
const exports = require(key);
if (self.isNonEmptyObj(exports)) {
this.modules[key] = exports;
}
}
},
},
(require) => {
require(require.s = moduleId);
},
];
inject(entryPoint, data);
}
}
return Webpack;
}());
self.OsuWeb = self.OsuWeb || (function () {
"use strict";
let _instance;
const _static = [];
const _dynamic = [];
const _before = {};
const _after = {};
const _keys = [];
const appendStyle = (function () {
const style = document.querySelector("#osu-web");
if (!(style || this.style)) {
this.style = document.createElement("style");
this.style.id = "osu-web";
document.head.append(this.style);
}
});
const getTurboLinks = (function () {
for (const id in this.webpack.modules) {
const exports = this.webpack.modules[id];
if ("controller" in exports) {
this.turbolinks = exports;
return;
}
}
});
const getReactModules = (function () {
const reactModules = new Set();
for (const id in this.webpack.modules) {
const exports = this.webpack.modules[id];
if ("__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED" in exports) {
reactModules.add(exports);
}
}
[this.React, this.ReactDOM] = reactModules;
});
const modify = ((obj, fn, key) => {
const oldFn = obj[fn];
obj[fn] = function () {
beforeFn(key, arguments);
const r = oldFn.apply(this, arguments);
afterFn(key, arguments, r);
return r;
};
});
const beforeFn = ((key, args) => {
const arr = _before[key] || [];
for (const fn of arr) {
fn(args);
}
});
const afterFn = ((key, args, r) => {
const arr = _after[key] || [];
for (const fn of arr) {
fn(args, r);
}
});
const modifyFn = ((obj, fn, key, before, after) => {
if (!_keys.includes(key)) {
_keys.push(key);
_before[key] = [];
_after[key] = [];
modify(obj, fn, key);
}
if (before) {
_before[key].push(before);
}
if (after) {
_after[key].push(after);
}
});
const init = (function (body) {
this.webpack = new self.Webpack({entryPoint: "webpackChunk"});
this.modifyFn = modifyFn;
getTurboLinks.call(this);
getReactModules.call(this);
appendStyle.call(this);
for (const fn of _static) {
fn.call(this, body);
}
const controller = this.turbolinks.controller;
modifyFn(controller, "render", "turbolinks.render", null, (args, r) => {
for (const fn of _static) {
fn.call(this, r.newBody);
}
});
for (const fn of _dynamic) {
fn.call(this);
}
});
class OsuWeb {
constructor(staticFn, dynamicFn) {
if (staticFn) {
_static.push(staticFn);
}
if (dynamicFn) {
_dynamic.push(dynamicFn);
}
if (_instance) {
return _instance;
}
_instance = this;
self.loaded("html", document).then((html) => {
self.loaded("body", html).then((body) => {
init.call(_instance, body);
});
});
}
addStyle(css) {
this.style.innerHTML += `\n${css}`;
}
}
return OsuWeb;
}());