js-storeData

轻量级原生js本地数据存储管理工具(可选localstorage或GM油猴API)

Version vom 28.04.2022. Aktuellste Version

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.greasyforks.org/scripts/444155/1045091/js-storeData.js

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// ==UserScript==
// @name         js-storeData
// @namespace    http://tampermonkey.net/
// @description  轻量级原生js本地数据存储管理工具(可选localstorage或GM油猴API)
// @author       tutu辣么可爱(greasyfork) IcedWatermelonJuice(github)
// @dayr         2022.4.29 GMT+0800 (中国标准时间)
// @license      MIT License
// @note         相关参考信息请前往greasyfork仓库或github仓库
// @note         greasyfork仓库:
// @note         github仓库:https://github.com/IcedWatermelonJuice/js-storeData
// ==/UserScript==
var storeDataJS = function(dataKey, defaultData, isGM = false) {
	var defaultGM = function() {
		console.log("未获得GM油猴API，请确认是否已授权");
		return null;
	}
	this.check = function(data) {
		try {
			data = JSON.stringify(data);
			data = JSON.parse(data);
			if (data && typeof data === "object") {
				return true
			} else {
				return false
			}
		} catch (e) {
			return false
		}
	}
	this.dataKey = dataKey;
	this.defaultData = this.check(defaultData) ? defaultData : {};
	this.isGM = isGM;
	this.data = {};
	this.defaultGet = function(key) {
		return isGM ? (typeof GM_getValue === "function" ? GM_getValue(key) : defaultFn(key)) : localStorage
			.getItem(key)
	}
	this.defaultSet = function(key, val) {
		return isGM ? (typeof GM_setValue === "function" ? GM_setValue(key, val) : defaultFn(key, val)) :
			localStorage.setItem(key, val)
	}
	this.defaultRemove = function(key) {
		return isGM ? (typeof GM_deleteValue === "function" ? GM_deleteValue(key) : defaultFn(key)) :
			localStorage.removeItem(key)
	}
	this.save = function() {
		if (this.check(this.data)) {
			this.defaultSet(this.dataKey, JSON.stringify(this.data))
		} else {
			console.log("保存失败！待保存数据损坏")
		}
	}
	this.init = function() {
		let data = this.defaultGet(this.dataKey);
		try {
			data = data ? JSON.parse(data) : {};
		} catch (e) {
			data = {}
		}
		data = {
			...this.defaultData,
			...data
		};
		this.data = data;
	}
	this.remove = function() {
		this.defaultRemove(this.dataKey);
	}
	this.init();
}
storeDataJS.prototype = {
	copy: function(data) {
		return JSON.parse(JSON.stringify(data));
	},
	get: function(key, isDefault = false) {
		let data = this.copy(isDefault ? this.defaultData : this.data);
		return key ? data[key] : data;
	},
	set: function(key, val, isSave = false) {
		if (val !== undefined && val !== null) {
			this.data[key] = val;
		} else if (this.check(key)) {
			this.data = key;
		}
		if (isSave) {
			this.save();
		}
	},
	reset: function(isSave = false) {
		let data = this.get(null, true);
		this.set(data, null, isSave);
	},
	delete: function(key, isSave = false) {
		delete this.data[key];
		if (isSave) {
			this.save();
		}
	}
}