Configure YouTube features

This script (based on YouTube Patch Collection) allows you to configure YouTube features & additional ones that are on a rollout, such as the new modern tabs, rounded player, you tab & more using yt.config flags!

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

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

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Necesitará instalar una extensión como Tampermonkey para instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         Configure YouTube features
// @version      2023.10.26
// @description  This script (based on YouTube Patch Collection) allows you to configure YouTube features & additional ones that are on a rollout, such as the new modern tabs, rounded player, you tab & more using yt.config flags!
// @author       Alpharetzy
// @license      MIT
// @match        www.youtube.com/*
// @icon         https://www.youtube.com/favicon.ico
// @run-at       document-start
// @grant        none
// @namespace https://greasyfork.org/users/1094802
// ==/UserScript==

// Attributes to remove from <html>
const ATTRS = [
    // "system-icons",
    // "typography",
    // "typography-spacing"
];

// Regular config keys.
const CONFIGS = {
    BUTTON_REWORK: true
};

// Experiment flags.
const EXPFLAGS = {
    enable_channel_page_header_profile_section: true,
    enable_header_channel_handler_ui: true,
    kevlar_unavailable_video_error_ui_client: true,
    kevlar_refresh_on_theme_change: true,
    kevlar_modern_sd_v2: true,
    kevlar_watch_cinematics: true,
    kevlar_watch_comments_panel_button: true,
    //kevlar_watch_grid: true,
    //kevlar_watch_grid_hide_chips: true,
    kevlar_watch_metadata_refresh: true,
    kevlar_watch_metadata_refresh_no_old_secondary_data: true,
    kevlar_watch_modern_metapanel: true,
    kevlar_watch_modern_panels: true,
    kevlar_watch_panel_height_matches_player: true,
    smartimation_background: true,
    web_amsterdam_playlists: true,
    web_animated_actions: true,
    kevlar_system_icons: true,
    web_animated_like: true,
    web_button_rework: true,
    web_button_rework_with_live: true,
    web_darker_dark_theme: true,
    web_enable_youtab: true,
    web_guide_ui_refresh: true,
    web_modern_ads: true,
    web_modern_buttons: true,
    web_modern_chips: true,
    web_modern_collections_v2: true,
    web_modern_dialogs: true,
    web_modern_playlists: true,
    web_modern_subscribe: true,
    web_modern_tabs: true,
    web_modern_typography: true,
    web_rounded_containers: true,
    web_rounded_thumbnails: true,
    web_searchbar_style: "default",
    web_segmented_like_dislike_button: true,
    web_sheets_ui_refresh: true,
    web_snackbar_ui_refresh: true,
    web_watch_rounded_player_large: true
}

// Player flags
// !!! USE STRINGS FOR VALUES !!!
// For example: "true" instead of true
const PLYRFLAGS = {
    web_player_move_autonav_toggle: "true",
    web_settings_menu_icons: "true",
    web_rounded_containers: "true",
    web_rounded_thumbnails: "true"
};

class YTP {
    static observer = new MutationObserver(this.onNewScript);

    static _config = {};

    static isObject(item) {
        return (item && typeof item === "object" && !Array.isArray(item));
    }
    
    static mergeDeep(target, ...sources) {
        if (!sources.length) return target;
        const source = sources.shift();
    
        if (this.isObject(target) && this.isObject(source)) {
            for (const key in source) {
                if (this.isObject(source[key])) {
                    if (!target[key]) Object.assign(target, { [key]: {} });
                    this.mergeDeep(target[key], source[key]);
                } else {
                    Object.assign(target, { [key]: source[key] });
                }
            }
        }
    
        return this.mergeDeep(target, ...sources);
    }
    

    static onNewScript(mutations) {
        for (var mut of mutations) {
            for (var node of mut.addedNodes) {
                YTP.bruteforce();
            }
        }
    }

    static start() {
        this.observer.observe(document, {childList: true, subtree: true});
    }
    
    static stop() {
        this.observer.disconnect();
    }

    static bruteforce() {
        if (!window.yt) return;
        if (!window.yt.config_) return;

        this.mergeDeep(window.yt.config_, this._config);
    }

    static setCfg(name, value) {
        this._config[name] = value;
    }

    static setCfgMulti(configs) {
        this.mergeDeep(this._config, configs);
    }

    static setExp(name, value) {
        if (!("EXPERIMENT_FLAGS" in this._config)) this._config.EXPERIMENT_FLAGS = {};

        this._config.EXPERIMENT_FLAGS[name] = value;
    }

    static setExpMulti(exps) {
        if (!("EXPERIMENT_FLAGS" in this._config)) this._config.EXPERIMENT_FLAGS = {};

        this.mergeDeep(this._config.EXPERIMENT_FLAGS, exps);
    }

    static decodePlyrFlags(flags) {
        var obj = {},
            dflags = flags.split("&");

        for (var i = 0; i < dflags.length; i++) {
            var dflag = dflags[i].split("=");
            obj[dflag[0]] = dflag[1];
        }
        
        return obj;
    }

    static encodePlyrFlags(flags) {
        var keys = Object.keys(flags),
            response = "";

        for (var i = 0; i < keys.length; i++) {
            if (i > 0) {
                response += "&";
            }
            response += keys[i] + "=" + flags[keys[i]];
        }

        return response;
    }

    static setPlyrFlags(flags) {
        if (!window.yt) return;
        if (!window.yt.config_) return;
        if (!window.yt.config_.WEB_PLAYER_CONTEXT_CONFIGS) return;
        var conCfgs = window.yt.config_.WEB_PLAYER_CONTEXT_CONFIGS;
        if (!("WEB_PLAYER_CONTEXT_CONFIGS" in this._config)) this._config.WEB_PLAYER_CONTEXT_CONFIGS = {};

        for (var cfg in conCfgs) {
            var dflags = this.decodePlyrFlags(conCfgs[cfg].serializedExperimentFlags);
            this.mergeDeep(dflags, flags);
            this._config.WEB_PLAYER_CONTEXT_CONFIGS[cfg] = {
                serializedExperimentFlags: this.encodePlyrFlags(dflags)
            }
        }
    }
}

window.addEventListener("yt-page-data-updated", function tmp() {
    YTP.stop();
    for (i = 0; i < ATTRS.length; i++) {
        document.getElementsByTagName("html")[0].removeAttribute(ATTRS[i]);
    }
    window.removeEventListener("yt-page-date-updated", tmp);  
});

YTP.start();

YTP.setCfgMulti(CONFIGS);
YTP.setExpMulti(EXPFLAGS);
YTP.setPlyrFlags(PLYRFLAGS);