提交 25de73a0 编写于 作者: Q qiang

fix: 优化 storage 读写

上级 5a761996
const STORAGE_DATA_TYPE = '__TYPE'
const STORAGE_KEYS = 'uni-storage-keys'
export function setStorage ({
key,
data
} = {}) {
const value = {
type: typeof data === 'object' ? 'object' : 'string',
const type = typeof data
const value = type === 'string' ? data : JSON.stringify({
type,
data: data
}
localStorage.setItem(key, JSON.stringify(value))
const keyList = localStorage.getItem('uni-storage-keys')
if (!keyList) {
localStorage.setItem('uni-storage-keys', JSON.stringify([key]))
} else {
const keys = JSON.parse(keyList)
if (keys.indexOf(key) < 0) {
keys.push(key)
localStorage.setItem('uni-storage-keys', JSON.stringify(keys))
})
try {
localStorage.setItem(key, value)
} catch (error) {
return {
errMsg: `setStorage:fail ${error}`
}
}
return {
......@@ -32,13 +32,33 @@ export function setStorageSync (key, data) {
export function getStorage ({
key
} = {}) {
const data = localStorage.getItem(key)
return data ? {
data: JSON.parse(data).data,
const value = localStorage && localStorage.getItem(key)
if (typeof value !== 'string') {
return {
data: '',
errMsg: 'getStorage:fail'
}
}
let data = value
try {
const object = JSON.parse(value)
// 兼容App端历史格式
const type = localStorage.getItem(key + STORAGE_DATA_TYPE)
if (!type) {
const keys = Object.keys(object)
if (keys.length === 2 && 'type' in object && 'data' in object) {
data = object.data
} else if (keys.length === 1 && 'type' in object) {
data = ''
}
} else if (type !== 'String') {
data = object
data = typeof data === 'string' ? JSON.parse(data) : data
}
} catch (error) { }
return {
data,
errMsg: 'getStorage:ok'
} : {
data: '',
errMsg: 'getStorage:fail'
}
}
......@@ -52,14 +72,11 @@ export function getStorageSync (key) {
export function removeStorage ({
key
} = {}) {
const keyList = localStorage.getItem('uni-storage-keys')
if (keyList) {
const keys = JSON.parse(keyList)
const index = keys.indexOf(key)
keys.splice(index, 1)
localStorage.setItem('uni-storage-keys', JSON.stringify(keys))
if (localStorage) {
// 兼容App端历史格式
localStorage.removeItem(key + STORAGE_DATA_TYPE)
localStorage.removeItem(key)
}
localStorage.removeItem(key)
return {
errMsg: 'removeStorage:ok'
}
......@@ -72,7 +89,7 @@ export function removeStorageSync (key) {
}
export function clearStorage () {
localStorage.clear()
localStorage && localStorage.clear()
return {
errMsg: 'clearStorage:ok'
}
......@@ -82,18 +99,23 @@ export function clearStorageSync () {
clearStorage()
}
export function getStorageInfo () { // TODO 暂时先不做大小的转换
const keyList = localStorage.getItem('uni-storage-keys')
return keyList ? {
keys: JSON.parse(keyList),
currentSize: 0,
limitSize: 0,
export function getStorageInfo () {
const length = (localStorage && (localStorage.length || localStorage.getLength())) || 0
const keys = []
let currentSize = 0
for (let index = 0; index < length; index++) {
const key = localStorage.key(index)
if (key !== STORAGE_KEYS && key.indexOf(STORAGE_DATA_TYPE) + STORAGE_DATA_TYPE.length !== key.length) {
const value = localStorage.getItem(key)
currentSize += key.length + value.length
keys.push(key)
}
}
return {
keys,
currentSize: Math.ceil(currentSize * 2 / 1024),
limitSize: Number.MAX_VALUE,
errMsg: 'getStorageInfo:ok'
} : {
keys: '',
currentSize: 0,
limitSize: 0,
errMsg: 'getStorageInfo:fail'
}
}
......@@ -101,4 +123,4 @@ export function getStorageInfoSync () {
const res = getStorageInfo()
delete res.errMsg
return res
}
}
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