osu-web

Library to modify static and dynamic components of osu web pages

Tính đến 26-08-2023. Xem phiên bản mới nhất.

Script này sẽ không được không được cài đặt trực tiếp. Nó là một thư viện cho các script khác để bao gồm các chỉ thị meta // @require https://update.greasyfork.org/scripts/473977/1241412/osu-web.js

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         osu-web
// @namespace    osu
// @version      1.0.0
// @description  Library to modify static and dynamic components of osu web pages
// @author       Magnus Cosmos
// ==/UserScript==

function loaded(selector, parent, callback, options = { childList: true }) {
    const el = parent.querySelector(selector);
    if (el) {
        callback(el);
    } else {
        new MutationObserver(function (_mutations, observer) {
            const el = parent.querySelector(selector);
            if (el) {
                callback(el);
                observer = observer ? observer : this;
                observer.disconnect();
            }
        }).observe(parent, options);
    }
}

class Module {
    constructor() {
        if (this.constructor == Module) {
            throw new Error("Module class cannot be instantiated.");
        }
        this.loaded = false;
        this.static = [];
        this.dynamic = [];
        this.before = {};
        this.after = {};
        this.keys = [];
    }

    init() {
        this.webpack = new Webpack();
        this.#getTurboLinks();
        this.#getReactModules();
    }

    #getTurboLinks() {
        for (const id in this.webpack.modules) {
            const exports = this.webpack.modules[id];
            if ("controller" in exports) {
                this.turbolinks = exports;
                return;
            }
        }
    }

    #getReactModules() {
        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;
    }

    modifyFn(obj, fn, key, _before, _after) {
        if (!(key in this.keys)) {
            this.keys.push(key);
            this.before[key] = [];
            this.after[key] = [];
            this.#modify(obj, fn, key);
        }
        if (_before) {
            this.before[key].push(_before);
        }
        if (_after) {
            this.after[key].push(_after);
        }
    }

    #modify(obj, fn, key) {
        const self = this;
        const oldFn = obj[fn];
        obj[fn] = function () {
            self.#beforeFn(key, arguments);
            const r = oldFn.apply(this, arguments);
            self.#afterFn(key, arguments, r);
            return r;
        };
    }

    #beforeFn(key, args) {
        const arr = this.before[key] || [];
        for (const fn of arr) {
            fn(args);
        }
    }

    #afterFn(key, args, r) {
        const arr = this.after[key] || [];
        for (const fn of arr) {
            fn(args, r);
        }
    }
}

class OsuWeb extends Module {
    constructor(staticFn, dynamicFn) {
        super();
        this.static = staticFn || (() => {});
        this.dynamic = dynamicFn || (() => {});
        loaded("html", document, (html) => {
            loaded("body", html, () => {
                this.init();
                this.start();
            });
        });
    }

    start() {
        this.static(document.body);
        const controller = this.turbolinks.controller;
        this.modifyFn(controller, "render", "turbolinks.render", null, (args, r) => {
            this.static(r.newBody);
        });
        this.dynamic();
    }
}