/
DeviceStorage.js
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/
DeviceStorage.js
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import React, {
AsyncStorage
} from 'react-native'
class DeviceStorage {
/**
* 获取
* @param key
* @returns {Promise<T>|*|Promise.<TResult>}
*/
static get (key) {
return AsyncStorage.getItem(key).then((value) => {
const jsonValue = JSON.parse(value)
return jsonValue
})
}
/**
* 保存
* @param key
* @param value
* @returns {*}
*/
static save (key, value) {
return AsyncStorage.setItem(key, JSON.stringify(value))
}
/**
* 更新
* @param key
* @param value
* @returns {Promise<T>|Promise.<TResult>}
*/
static update (key, value) {
return DeviceStorage.get(key).then((item) => {
value = typeof value === 'string' ? value : Object.assign({}, item, value)
return AsyncStorage.setItem(key, JSON.stringify(value))
})
}
/**
* 更新
* @param key
* @returns {*}
*/
static delete (key) {
return AsyncStorage.removeItem(key)
}
}
export default DeviceStorage