Common.Utils

Classes for your scripts

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/389765/1785927/CommonUtils.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         Common.Utils
// @description  Classes for your scripts
// @author       Anton Shevchuk
// @license      MIT License
// @version      0.1.0
// @match        *://*/*
// @grant        none
// @namespace    https://greasyfork.org/users/227648
// ==/UserScript==

(function () {
    'use strict';

    /**
     * Object with a wrapper with getters and setters
     */
    class Container {
        constructor() {
            this.container = {};
        }
        set(keys, value) {
            let target = this.container;
            for (let i = 0; i < keys.length - 1; i++) {
                if (typeof target[keys[i]] === 'undefined')
                    target[keys[i]] = {};
                target = target[keys[i]];
            }
            target[keys[keys.length - 1]] = value;
        }
        get(...keys) {
            if (keys.length === 0)
                return this.container;
            let target = this.container;
            for (let i = 0; i < keys.length; i++) {
                if (typeof target[keys[i]] === 'undefined')
                    return null;
                target = target[keys[i]];
            }
            return target;
        }
        has(...keys) {
            let target = this.container;
            for (let i = 0; i < keys.length; i++) {
                if (typeof target[keys[i]] === 'undefined')
                    return false;
                target = target[keys[i]];
            }
            return true;
        }
    }

    /**
     * Simple cache object with getters and setters
     */
    class SimpleCache extends Container {
        set(key, value) {
            super.set([key], value);
        }
    }

    class Tools {
        /**
         * Simple object check
         */
        static isObject(item) {
            return (item && typeof item === 'object' && !Array.isArray(item));
        }
        /**
         * Deep merge objects
         */
        static mergeDeep(target, ...sources) {
            if (!sources.length)
                return target;
            const source = sources.shift();
            if (Tools.isObject(target) && Tools.isObject(source)) {
                for (const key in source) {
                    if (!source.hasOwnProperty(key))
                        continue;
                    if (Tools.isObject(source[key])) {
                        if (!Tools.isObject(target[key]))
                            Object.assign(target, { [key]: {} });
                        Tools.mergeDeep(target[key], source[key]);
                    }
                    else {
                        Object.assign(target, { [key]: source[key] });
                    }
                }
            }
            return Tools.mergeDeep(target, ...sources);
        }
    }

    /**
     * Settings object with localStorage as storage
     */
    class Settings extends Container {
        constructor(uid, def = {}) {
            super();
            this.uid = uid;
            this.default = def;
            this.load();
        }
        load() {
            let settings = localStorage.getItem(this.uid);
            if (settings) {
                let parsed = JSON.parse(settings);
                this.container = Tools.mergeDeep({}, this.default, parsed);
            }
            else {
                this.container = Tools.mergeDeep({}, this.default);
            }
        }
        /**
         * With jQuery:
         *   $(window).on('beforeunload', () => SettingsInstance.save() );
         */
        save() {
            localStorage.setItem(this.uid, JSON.stringify(this.container));
        }
    }

    // Expose as globals (consumed via @require by other scripts)
    Object.assign(window, { Container, SimpleCache, Settings, Tools });

})();