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@sai.na/trpc-message-adapter

v0.1.2

Published

`@sai.na/trpc-message-adapter` 是一个用于通过消息传递实现 [tRPC](https://trpc.io/) 通信的适配器。它提供了灵活的接口,允许用户对接任意使用场景,只需实现数据收发的通道即可。

Readme

@sai.na/trpc-message-adapter

@sai.na/trpc-message-adapter 是一个用于通过消息传递实现 tRPC 通信的适配器。它提供了灵活的接口,允许用户对接任意使用场景,只需实现数据收发的通道即可。

安装

npm install @sai.na/trpc-message-adapter

快速开始

以下是一个简单的示例,展示如何使用 @sai.na/trpc-message-adapter 在不同环境中实现通信。

服务端

在服务端,创建一个 tRPC 路由并使用 createMessageHandler 处理消息:

// server.js
import { createMessageHandler } from "@sai.na/trpc-message-adapter";
import { initTRPC } from "@trpc/server";

const t = initTRPC.create();

const router = t.router({
  hello: t.procedure.query(() => {
    return "Hello from the server!";
  }),
});

createMessageHandler({
  router,
  on: (listener) => {
    const handler = (message) => listener(message);
    process.on("message", handler);
    return () => process.off("message", handler);
  },
  emit: (message) => {
    process.send(message);
  },
});

客户端

在客户端,创建一个 tRPC 客户端并通过 messageLink 与服务端通信:

// client.js
import { createTRPCClient } from "@trpc/client";
import { messageLink } from "@sai.na/trpc-message-adapter";

const client = createTRPCClient({
  links: [
    messageLink({
      on: (listener) => {
        const handler = (message) => listener(message);
        process.on("message", handler);
        return () => process.off("message", handler);
      },
      emit: (message) => {
        process.send(message);
      },
    }),
  ],
});

client.hello
  .query()
  .then((response) => console.log({ response }))
  .catch((error) => console.error({ error }));

自定义场景

@sai.na/trpc-message-adapter 的核心是 onemit 方法,用户可以根据自己的需求实现任意数据收发通道。例如,您可以将其用于 WebSocket、PostMessage、或其他通信方式。

  • 对接到 Worker:

    // file: worker.js
    
    import { createMessageHandler } from "@sai.na/trpc-message-adapter";
    import { initTRPC } from "@trpc/server";
    
    const t = initTRPC.create();
    const router = t.router({
      hello: t.procedure.query(() => {
        return "Hello from the worker!";
      }),
    });
    createMessageHandler({
      router,
      on: (listener) => {
        const handler = (message) => listener(message);
        self.addEventListener("message", handler);
        return () => self.removeEventListener("message", handler);
      },
      emit: (message) => {
        self.postMessage(message);
      },
    });
    
    // file: main.js
    import { createTRPCClient } from "@trpc/client";
    import { messageLink } from "@sai.na/trpc-message-adapter";
    
    const worker = new Worker("worker.js");
    
    const client = createTRPCClient({
      links: [
        messageLink({
          on: (listener) => {
            const handler = (message) => listener(message);
            self.addEventListener("message", handler);
            return () => self.removeEventListener("message", handler);
          },
          emit: (message) => {
            self.postMessage(message);
          },
        }),
      ],
    });
    
    client.hello
      .query()
      .then((response) => console.log({ response }))
      .catch((error) => console.error({ error }));

运行示例

  1. 创建对应的文件并复制代码。
  2. 根据您的场景实现 onemit 方法。
  3. 运行代码,验证通信是否正常。

贡献

欢迎提交 Issue 或 Pull Request 来改进此项目。

License

MIT