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storetify

v1.1.0

Published

Better localStorage, subscribable localStorage, expirable localStorage

Downloads

15

Readme

Build Status codecov license release

English | 简体中文

🦄本地存储localStorage的封装,提供过期时间设置和订阅功能,提供简单API使用,没有依赖,压缩只有 3.81KB(gzipped: 1.39KB)。

✨ Features

  • 比较好的localStorage, 也认为是下一代的localStorage
  • 易学易用
  • 支持数据的过期时间
  • 支持数据变化的监听
  • 使用 TypeScript 构建,提供完整的类型定义文件

🪄 安装

# npm 安装
npm install storetify

# yarn 安装
yarn add storetify

#pnpm 安装
pnpm add storetify

🏗️ 构建

npm run build

🧪 测试

npm test

🔨 使用

import store from 'storetify';
store("test","storetify");

或者在您的HTML中手动下载并引入 storetify.min.js,你也可以通过 UNPKG 进行下载:

<script src="https://unpkg.com/storetify/lib/storetify.min.js"></script>
<script type="text/javascript">
Storetify("test","storetify");
</script>

⚙️ API

set

存储数据 store.set(key, data[, expires]); 效果相同store(key, data[, expires]);

store.set("test","1"); //⇒1
store.set("test","1",3); //⇒1 3秒后test过期

get

获取key的字符串数据 store.get(key) 效果相同store(key)

store.get("test"); // 获取test的字符串数据
store("test"); // 功能同上

remove

删除key下的数据 store.remove(key)

store.remove("test");

clear

清空所有 key/data store.clear()

store.clear(); // 会发布所有key值的变化

has

判断是否存在并返回 true/false store.has(key)

store.has("test"); //⇒true

subscribe

订阅test的数据变化

store.subscribe("test",(e)=>{})

对于事件变量e,是一个来自StorageEvent对象的简略对象,提供了一些实用的属性,可以很好的观察键值对的变化,如下表:

type StoretifyEventValue = Record<string, any> | any[] | null | string | number

| Property | Type | Description| | -------- | ------ | ------------------------------------------------------------ | | key| string | 存储值的键,根据其修改、删除| | oldValue | StoretifyEventValue | 上一次的值 | | newValue | StoretifyEventValue | 当前新的值 | | type| string | 事件类型 | | native | StorageEvent | 原生事件 |

unsubscribe

取消订阅test的数据变化

const someName = (e)=>{}
store.subscribe("test",someName)
store.unsubscribe("test",someName) // ⚠️注意,取消订阅不能是匿名方法
store.unsubscribe("test") // ⚠️注意,会取消test的所有订阅包括匿名函数

getUsed

获取store的存储用量

store.getUsed() // 返回 `0.111 KB`

兼容

来源:localStorage

| 特性 | Chrome | Firefox (Gecko) | Internet Explorer | Opera| Safari (WebKit) | iPhone(IOS) | Android | Opera Mobile | Window Phone | | ------------ | ------ | --------------- | ----------------- | ------ | --------------- | ----------- | ------- | ------------ | ------------ | | localStorage | 4+ | 3.5+| 8+| 10.50+ | 4+| 3.2+| 2.1+| 11+| 8+ |

本地存储大小

JSON.stringify(localStorage).length 当前占用多大容量

检测localstore容量上限