instruct-request-axios
Version:
311 lines (310 loc) • 9.93 kB
JavaScript
export default class Memory {
data;
// 存储配置
storageOption;
get keys() {
if (this.storageOption === undefined)
this.storageOption = {};
return this.storageOption.keys;
}
set keys(value) {
if (this.storageOption === undefined)
this.storageOption = {};
this.storageOption.keys = value;
this.updateStorageOption();
}
get id() {
if (this.storageOption === undefined)
this.storageOption = {};
return this.storageOption.id;
}
set id(value) {
if (this.storageOption === undefined)
this.storageOption = {};
this.storageOption.id = value;
this.updateStorageOption();
}
get expires() {
if (this.storageOption === undefined)
this.storageOption = {};
return this.storageOption.expires;
}
set expires(value) {
if (this.storageOption === undefined)
this.storageOption = {};
this.storageOption.expires = value;
this.updateStorageOption();
}
// 更新缓存
updateStorageOption() { }
// 校验
updateExpire() {
let update = false;
if (this.storageOption && this.expires) {
let nowDate = +new Date();
for (let key in this.expires) {
if (this.expires.hasOwnProperty(key) && nowDate >= this.expires[key]) {
this.removeItem(key);
update = true;
}
}
}
return update;
}
// 包含一组key
groups;
// 创建group组
createGroups() {
if (this.keys === undefined)
return;
let groups = undefined;
for (let key in this.keys) {
if (this.keys.hasOwnProperty(key)
&&
typeof this.keys[key] !== 'number') {
if (groups === undefined)
groups = {};
let resultKeys = (typeof this.keys[key] === 'string' ? [this.keys[key]] : this.keys[key]);
resultKeys.map(function (item) {
if (groups[item] === undefined)
groups[item] = [item];
else
groups[item].push(item);
});
}
}
if (groups) {
this.groups = groups;
}
}
// 设置key
setKey(key, option) {
if (this.keys === undefined)
this.keys = {};
let groupId = option.groupId;
if (this.keys[key] === undefined) {
this.keys[key] = groupId || 1;
}
if (this.id === undefined)
this.id = {};
// 存储id
if (option.id) {
this.id[option.id] = key;
}
// 执行加入组
if (groupId) {
if (this.groups === undefined)
this.groups = {};
if (this.groups[groupId] === undefined)
this.groups[groupId] = [key];
else if (!this.groups[groupId].includes(key))
this.groups[groupId].push(key);
}
if (this.keys[key]) {
if (typeof this.keys[key] === 'string') {
this.keys[key] = [this.keys[key], groupId];
}
else if (this.keys[key] instanceof Array) {
this.keys[key].push(groupId);
}
}
}
// 删除key
deleteKey(key, callback) {
if (this.keys === undefined)
return;
if (this.id[key])
key = this.id[key];
if (this.keys[key]) {
let typeValue = typeof this.keys[key];
if (typeValue !== 'number' && this.groups) {
let valueResult = (typeValue === 'string' ? [this.keys[key]] : this.keys[key]);
valueResult.map((item) => {
if (!this.groups[item])
return;
if (this.groups[item].length <= 1) {
delete this.groups[item];
}
else {
let index = this.groups[item].indexOf(key);
if (index >= 0)
this.groups[item].splice(index, 1);
}
});
}
/* 删除相关缓存 */
delete this.storageOption.keys[key];
if (Object.keys(this.keys).length <= 0)
delete this.storageOption.keys;
if (this.expires) {
if (this.expires[key]) {
delete this.storageOption.expires[key];
}
if (Object.keys(this.expires).length <= 0)
delete this.storageOption.expires;
}
return callback && callback();
}
}
// 删除组
deleteGroup(id, callback) {
if (this.keys === undefined || this.groups === undefined || this.groups[id] === undefined)
return;
let resultKeys = this.groups[id];
delete this.groups[id];
if (Object.keys(this.groups).length <= 0)
this.groups = undefined;
resultKeys.map((item) => {
if (this.keys[item]) {
if (this.keys[item] instanceof Array && this.keys[item].length > 1) {
let index = this.keys[item].indexOf(id);
if (index >= 0)
this.keys[item].splice(index, 1);
}
else {
callback && callback(item);
delete this.keys[item];
if (this.expires && this.expires[item]) {
delete this.expires[item];
}
}
}
});
}
getItem(key) {
let useId = this.getId(key, undefined);
if (useId)
key = useId;
if (this.data && this.data[key]) {
if (this.data[key].expire > 0 && this.getDateTime() > this.data[key].expire) {
return this.removeItem(key);
}
return JSON.parse(this.data[key].data);
}
else {
return;
}
}
// 获取Group缓存
getGroup(id) {
if (this.searchGroup(id)) {
return this.groups[id].map((item) => this.getItem(item));
}
else {
return [];
}
}
setExpire(key, expire) {
if (key && expire > 0) {
if (!this.expires)
this.expires = {};
if (this.expires[key] !== expire) {
this.expires[key] = expire;
}
}
}
// 获取日期
getExpire(expire, value, key) {
if (typeof expire === "function") {
return expire(value, this.data[key] ? this.getItem(key) : undefined, key);
}
else {
return expire;
}
}
// 获取id
getId(key, option) {
if (this.id) {
let useId = undefined;
if (option && option.id && !key) {
useId = this.id[option.id];
}
if (!useId) {
useId = this.id[key];
}
return useId;
}
}
setItem(key, value, option) {
if (this.data === undefined)
this.data = {};
let useId = this.getId(key, option);
if (useId)
key = useId;
let expire = this.getExpire(option.expire, value, key);
let useExpire = expire && expire > 0;
let useExpireTime = useExpire ? this.getDateTime() + expire : 0;
// 如果缓存配置未变，则设置为上一次的
if (this.data[key] && this.data[key].beginExpire == expire) {
useExpireTime = this.data[key].expire;
}
this.data[key] = {
expire: useExpireTime,
data: typeof value === 'string' ? value : JSON.stringify(value)
};
this.setExpire(key, useExpireTime);
if (useExpire) {
this.data[key].beginExpire = expire;
}
return this.setKey(key, option);
}
// 设置组
setGroup(id, value, option) {
if (this.searchGroup(id)) {
this.groups[id].map((item) => {
if (typeof value === 'function') {
let data = this.getItem(item);
return this.setItem(item, value({
groupId: id,
id,
expire: option.expire,
sign: item,
data
}), option);
}
else {
return this.groups[id].map((item) => this.setItem(item, value, option));
}
});
}
}
removeItem(key) {
let useId = this.getId(key, undefined);
if (useId)
key = useId;
return this.deleteKey(key, this.data === undefined ? undefined : () => {
if (this.data[key]) {
delete this.data[key];
}
});
}
removeGroup(id) {
if (this.data === undefined)
return;
return this.deleteGroup(id, (key) => {
if (this.data[key]) {
delete this.data[key];
}
});
}
// 搜索是否存在此 key
search(key) {
let useId = this.getId(key, undefined);
if (useId)
key = useId;
return !!(this.data && this.data[key] || this.keys && this.keys[key]);
}
// 搜索是否存在此group
searchGroup(id) {
return !!(this.groups && this.groups[id]);
}
// 清楚所有
clear() {
this.storageOption = undefined;
this.data = undefined;
this.groups = undefined;
}
getDateTime() {
return +new Date();
}
}