Common.Utils

Classes for your scripts

Tính đến 04-09-2019. 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/389765/730610/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      0.0.1
// @match        *://*/*
// @grant        none
// @namespace    https://greasyfork.org/users/227648
// ==/UserScript==

/**
 * Object with wrapper with getters and setters
 */
class Container {
  constructor() {
    this.container = {};
  }
  /**
   * @param {String[]} keys
   * @param {String}   value
   */
  set(keys, value) {
    this._set(this.container, keys, value);
  }
  _set(elements, keys, value) {
    let key = keys.shift();
    if (typeof elements[key] === 'undefined') {
      elements[key] = {};
    }
    if (keys.length === 0) {
      elements[key] = value;
    } else {
      this._set(elements[key], keys, value);
    }
  }
  /**
   * @param {String[]} keys
   * @return {null|*}
   */
  get(...keys) {
    if (this.has(...keys)) {
      return this._get(this.container, ...keys);
    } else {
      return null;
    }
  }
  _get(elements, ...keys) {
    let key = keys.shift();
    if (typeof elements[key] === 'undefined') {
      return null;
    }
    if (keys.length === 0) {
      return elements[key];
    } else {
      return this._get(elements[key], ...keys);
    }
  }
  /**
   * @param {String[]} keys
   * @return {boolean}
   */
  has(...keys) {
    return this._has(this.container, ...keys);
  }
  _has(elements, ...keys) {
    let key = keys.shift();
    if (typeof elements[key] === 'undefined') {
      return false;
    }
    if (keys.length === 0) {
      return true;
    } else {
      return this._has(elements[key], ...keys);
    }
  }
}

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

/**
 * 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) {
      settings = JSON.parse(settings);
      this.container = Object.assign(this.default, settings);
    } else {
      this.container = this.default;
    }
  }
  /**
   * With jQuery:
   *   $(window).on('beforeunload', () => SettingsInstance.save() );
   */
  save() {
    localStorage.setItem(this.uid, JSON.stringify(this.container));
  }
}