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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)

当前为 2022-04-28 提交的版本，查看 最新版本。

此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.cn-greasyfork.org/scripts/444155/1045094/js-storeData.js 

  1. // ==UserScript==
  2. // @name         js-storeData
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.0
  5. // @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)
  6. // @author       tutu辣么可爱(greasyfork) IcedWatermelonJuice(github)
  7. // @dayr         2022.4.29 GMT+0800 (中国标准时间)
  8. // @license      MIT License
  9. // @note         相关参考信息请前往greasyfork仓库或github仓库
  10. // @note         greasyfork仓库:https://greasyfork.org/zh-CN/scripts/444155-js-storedata
  11. // @note         github仓库:https://github.com/IcedWatermelonJuice/js-storeData
  12. // ==/UserScript==
  13. var storeDataJS = function(dataKey, defaultData, isGM = false) {
  14. 	var defaultGM = function() {
  15. 		console.log("未获得GM油猴API，请确认是否已授权");
  16. 		return null;
  17. 	}
  18. 	this.check = function(data) {
  19. 		try {
  20. 			data = JSON.stringify(data);
  21. 			data = JSON.parse(data);
  22. 			if (data && typeof data === "object") {
  23. 				return true
  24. 			} else {
  25. 				return false
  26. 			}
  27. 		} catch (e) {
  28. 			return false
  29. 		}
  30. 	}
  31. 	this.dataKey = dataKey;
  32. 	this.defaultData = this.check(defaultData) ? defaultData : {};
  33. 	this.isGM = isGM;
  34. 	this.data = {};
  35. 	this.defaultGet = function(key) {
  36. 		return isGM ? (typeof GM_getValue === "function" ? GM_getValue(key) : defaultFn(key)) : localStorage
  37. 			.getItem(key)
  38. 	}
  39. 	this.defaultSet = function(key, val) {
  40. 		return isGM ? (typeof GM_setValue === "function" ? GM_setValue(key, val) : defaultFn(key, val)) :
  41. 			localStorage.setItem(key, val)
  42. 	}
  43. 	this.defaultRemove = function(key) {
  44. 		return isGM ? (typeof GM_deleteValue === "function" ? GM_deleteValue(key) : defaultFn(key)) :
  45. 			localStorage.removeItem(key)
  46. 	}
  47. 	this.save = function() {
  48. 		if (this.check(this.data)) {
  49. 			this.defaultSet(this.dataKey, JSON.stringify(this.data))
  50. 		} else {
  51. 			console.log("保存失败！待保存数据损坏")
  52. 		}
  53. 	}
  54. 	this.init = function() {
  55. 		let data = this.defaultGet(this.dataKey);
  56. 		try {
  57. 			data = data ? JSON.parse(data) : {};
  58. 		} catch (e) {
  59. 			data = {}
  60. 		}
  61. 		data = {
  62. 			...this.defaultData,
  63. 			...data
  64. 		};
  65. 		this.data = data;
  66. 	}
  67. 	this.remove = function() {
  68. 		this.defaultRemove(this.dataKey);
  69. 	}
  70. 	this.init();
  71. }
  72. storeDataJS.prototype = {
  73. 	copy: function(data) {
  74. 		return JSON.parse(JSON.stringify(data));
  75. 	},
  76. 	get: function(key, isDefault = false) {
  77. 		let data = this.copy(isDefault ? this.defaultData : this.data);
  78. 		return key ? data[key] : data;
  79. 	},
  80. 	set: function(key, val, isSave = false) {
  81. 		if (val !== undefined && val !== null) {
  82. 			this.data[key] = val;
  83. 		} else if (this.check(key)) {
  84. 			this.data = key;
  85. 		}
  86. 		if (isSave) {
  87. 			this.save();
  88. 		}
  89. 	},
  90. 	reset: function(isSave = false) {
  91. 		let data = this.get(null, true);
  92. 		this.set(data, null, isSave);
  93. 	},
  94. 	delete: function(key, isSave = false) {
  95. 		delete this.data[key];
  96. 		if (isSave) {
  97. 			this.save();
  98. 		}
  99. 	}
  100. }