Classes for your scripts
Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @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 });
})();