grpc-web-utils

grpc-web utils for nodejs

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Cancellation example usage:

* deadline (see tests/signalInterceptor.test.ts)

``
const deadline = new Date();
deadline.setMilliseconds(deadline.getMilliseconds() + 1000); // timeout 1000 ms
md["deadline"] = deadline.getTime().toString();
`

* cancellation (streaming)

`
const options = {
streamInterceptors: [new SignalStreamInterceptor()],
};
const client = new EchoServiceClient("", null, options);
const req = new ServerStreamingEchoRequest();
const controller = new AbortController(); // controller usually created by frameworks e.g. redux-toolkit
const stream = client.serverStreamingEcho(req, { signal: controller.signal, } as MetadataWithSignal);
controller.abort();
`

N.B.

* StreamInterceptor works with RPC client
* createPromiseClient doesn't work for cancellation, see tests/promiseClient.test.ts` skipped test