(WIP) 重构客户端

client/ClientCache.ts

@@ -0,0 +1,23 @@
+import { Chat, User } from "lingchair-client-protocol"
+import getClient from "./getClient"
+
+type CouldCached = User | Chat | null
+export default class ClientCache {
+    static caches: { [key: string]: CouldCached } = {}
+    
+    static async getUser(id: string) {
+        const k = 'user_' + id
+        if (this.caches[k] != null)
+            return this.caches[k] as User | null
+        this.caches[k] = await User.getById(getClient(), id)
+        return this.caches[k]
+    }
+
+    static async getChat(id: string) {
+        const k = 'chat_' + id
+        if (this.caches[k] != null)
+            return this.caches[k] as Chat | null
+        this.caches[k] = await Chat.getById(getClient(), id)
+        return this.caches[k]
+    }
+}