将 socket.io 从 v3 升级到 v4

继 将 socket.io 从 v2 升级到 v3 之后，本文是关于将 socket.io 及其相关软件包升级到撰写本文时的最新版本，唯一的设置更改似乎是来自 redis-adapater 和这次导入客户端 io 的方式（针对我们的特定用例）。

Upgrade guide

Basically read the Migrating from 3.x to 4.0 official guide, then:

  • For npm packages
-   "socket.io": "3.1.2",
-   "socket.io-emitter": "3.2.0",
-   "socket.io-redis": "6.0.1",

+   "socket.io": "4.4.1",
+   "@socket.io/redis-emitter": "4.1.1",
+   "@socket.io/redis-adapter": "7.1.0",
  • For redis-adapter config
    The adapter has changed method signatures about the redis pubClient and subClient, see this issues/411 for details.
- this.io.adapter(
-  createAdapter({
-    pubClient,
-    subClient,
-  }),
- );

+ this.io.adapter(
+  createAdapter(pubClient, subClient),
+ );
  • For client (if any)
    The way to import the io function is changed:
- const io = require('socket.io-client');

+ const { io } = require('socket.io-client');

参考资料

javascript socket.io nodejs

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