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
// ==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 });
})();