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@connectrpc/connect-node
Advanced tools
Connect is a family of libraries for building and consuming APIs on different languages and platforms, and [@connectrpc/connect](https://www.npmjs.com/package/@connectrpc/connect) brings type-safe APIs with Protobuf to TypeScript.
Connect is a family of libraries for building and consuming APIs on different languages and platforms, and @connectrpc/connect brings type-safe APIs with Protobuf to TypeScript.
@connectrpc/connect-node
provides the following adapters for Node.js:
Lets your clients running on Node.js talk to a server with the Connect protocol:
import { createPromiseClient } from "@connectrpc/connect";
+ import { createConnectTransport } from "@connectrpc/connect-node";
import { ElizaService } from "./gen/eliza_connect.js";
+ // A transport for clients using the Connect protocol with Node.js `http` module
+ const transport = createConnectTransport({
+ baseUrl: "https://demo.connectrpc.com",
+ httpVersion: "1.1"
+ });
const client = createPromiseClient(ElizaService, transport);
const { sentence } = await client.say({ sentence: "I feel happy." });
console.log(sentence) // you said: I feel happy.
Lets your clients running on Node.js talk to a server with the gRPC protocol:
import { createPromiseClient } from "@connectrpc/connect";
+ import { createGrpcTransport } from "@connectrpc/connect-node";
import { ElizaService } from "./gen/eliza_connect.js";
+ // A transport for clients using the gRPC protocol with Node.js `http2` module
+ const transport = createGrpcTransport({
+ baseUrl: "https://demo.connectrpc.com",
+ httpVersion: "2"
+ });
const client = createPromiseClient(ElizaService, transport);
const { sentence } = await client.say({ sentence: "I feel happy." });
console.log(sentence) // you said: I feel happy.
Lets your clients running on Node.js talk to a server with the gRPC-web protocol:
import { createPromiseClient } from "@connectrpc/connect";
+ import { createGrpcWebTransport } from "@connectrpc/connect-node";
import { ElizaService } from "./gen/eliza_connect.js";
+ // A transport for clients using the Connect protocol with Node.js `http` module
+ const transport = createGrpcWebTransport({
+ baseUrl: "https://demo.connectrpc.com",
+ httpVersion: "1.1"
+ });
const client = createPromiseClient(ElizaService, transport);
const { sentence } = await client.say({ sentence: "I feel happy." });
console.log(sentence) // you said: I feel happy.
Run your Connect RPCs on the Node.js http
, https
, or http2
modules.
// connect.ts
import { ConnectRouter } from "@connectrpc/connect";
export default function(router: ConnectRouter) {
// implement rpc Say(SayRequest) returns (SayResponse)
router.rpc(ElizaService, ElizaService.methods.say, async (req) => ({
sentence: `you said: ${req.sentence}`,
}));
}
// server.ts
import * as http2 from "http2";
+ import routes from "connect";
+ import { connectNodeAdapter } from "@connectrpc/connect-node";
http2.createServer(
+ connectNodeAdapter({ routes }) // responds with 404 for other requests
).listen(8080);
With that server running, you can make requests with any gRPC, gRPC-Web, or Connect client.
buf curl
with the gRPC protocol:
buf curl --schema buf.build/connectrpc/eliza \
--protocol grpc --http2-prior-knowledge \
-d '{"sentence": "I feel happy."}' \
http://localhost:8080/connectrpc.eliza.v1.ElizaService/Say
curl
with the Connect protocol:
curl \
--header "Content-Type: application/json" \
--data '{"sentence": "I feel happy."}' \
--http2-prior-knowledge \
http://localhost:8080/connectrpc.eliza.v1.ElizaService/Say
Node.js with the gRPC protocol:
import { createPromiseClient } from "@connectrpc/connect";
import { createGrpcTransport } from "@connectrpc/connect-node";
import { ElizaService } from "./gen/eliza_connect.js";
const transport = createGrpcTransport({
baseUrl: "http://localhost:8080",
httpVersion: "2",
});
const client = createPromiseClient(ElizaService, transport);
const { sentence } = await client.say({ sentence: "I feel happy." });
console.log(sentence) // you said: I feel happy.
A client for the web browser actually looks identical to this example - it would
simply use createConnectTransport
from @connectrpc/connect-web
instead.
To get started with Connect, head over to the docs for a tutorial, or take a look at our example.
FAQs
Connect is a family of libraries for building and consuming APIs on different languages and platforms, and [@connectrpc/connect](https://www.npmjs.com/package/@connectrpc/connect) brings type-safe APIs with Protobuf to TypeScript.
We found that @connectrpc/connect-node demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 6 open source maintainers collaborating on the project.
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