重构2.0

index.js

@@ -9,7 +9,9 @@ import { uuid, sha1 } from 'crypto.js'
 import RedisStore from './lib/redis-store.js'
 
 // 会话安装包
-export const sessionPackage = {
+export function createSessionPlugin(){
+
+  return {
     name: 'session',
     install() {
       var session = this.get('session')
@@ -17,9 +19,11 @@ export const sessionPackage = {
       return new RedisStore(session)
     }
   }
+}
 
 // 会话中间件
-export function sessionConnect(req, res, next) {
+export function createSession(){
+  return function (req, res, next) {
     var opt = this.get('session')
     var cache = req.cookie('NODESSID')
     var deviceID = ''
@@ -58,7 +62,8 @@ export function sessionConnect(req, res, next) {
     res.cookie('NODESSID', ssid, { maxAge: opt.ttl, domain: opt.domain })
     // 缓存ssid到req上
     req.ssid = ssid
-  this.$$session.start(ssid)
+    this.$$session.update(ssid)
   
     next()
   }
+}

lib/redis-store.js

@@ -7,25 +7,29 @@
 import Ioredis from 'ioredis'
 
 export default class Session {
+
+  #store = null
+  #ttl = 60
+
   constructor(opt) {
-    this.store = new Ioredis({
+    this.#store = new Ioredis({
       host: opt.db.host || '127.0.0.1',
       port: opt.db.port || 6379,
       db: opt.db.db || 0
     })
-    this.ttl = opt.ttl
+    this.#ttl = opt.ttl
   }
 
-  start(ssid) {
+  update(ssid) {
     // 设置session有效期
-    this.store.expire(ssid, this.ttl)
+    this.#store.expire(ssid, this.#ttl)
   }
 
   // 获取session字段值, 需要await指令
   get(ssid, key) {
     var defer = Promise.defer()
 
-    this.store.hgetall(ssid, (err, obj) => {
+    this.#store.hgetall(ssid, (err, obj) => {
       if (err) {
         return defer.reject(err)
       }
@@ -37,7 +41,7 @@ export default class Session {
       }
       //不传key时,直接返回全部字段
       if (key) {
-        defer.resolve(obj.hasOwnProperty(key) ? obj[key] : null)
+        defer.resolve(obj[key])
       } else {
         defer.resolve(obj)
       }
@@ -49,20 +53,20 @@ export default class Session {
   set(ssid, key, val) {
     if (typeof key === 'object') {
       for (let i in key) {
-        this.store.hset(ssid, i, key[i])
+        this.#store.hset(ssid, i, key[i])
       }
     } else {
-      this.store.hset(ssid, key, val)
+      this.#store.hset(ssid, key, val)
     }
   }
 
   //删除单个字段
   unset(ssid, key) {
-    this.store.hdel(ssid, key)
+    this.#store.hdel(ssid, key)
   }
 
   //清除个人session
   clear(ssid) {
-    this.store.del(ssid)
+    this.#store.del(ssid)
   }
 }