@jsonjoy.com/reactive-rpc
Version:
Reactive-RPC is a library for building reactive APIs over WebSocket, HTTP, and other RPCs.
77 lines • 3.13 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.StaticRpcClient = void 0;
const tslib_1 = require("tslib");
const msg = tslib_1.__importStar(require("../../messages"));
const TimedQueue_1 = require("../../util/TimedQueue");
const Value_1 = require("../../messages/Value");
const Defer_1 = require("../../../util/Defer");
const rxjs_1 = require("rxjs");
class StaticRpcClient {
constructor({ send, bufferSize = 100, bufferTime = 10 }) {
this.id = 1;
this.onsend = async () => {
throw new Error('onsend not implemented');
};
this.calls = new Map();
if (send)
this.onsend = send;
this.buffer = new TimedQueue_1.TimedQueue();
this.buffer.itemLimit = bufferSize;
this.buffer.timeLimit = bufferTime;
this.buffer.onFlush = (messages) => {
this.onsend(messages)
.then((responses) => {
for (const response of responses) {
const id = response.id;
const calls = this.calls;
const future = calls.get(id);
calls.delete(id);
if (!future)
continue;
if (response instanceof msg.ResponseCompleteMessage)
future.resolve(response.value?.data);
else if (response instanceof msg.ResponseErrorMessage)
future.reject(response.value?.data);
}
})
.catch((error) => {
for (const message of messages)
if (message instanceof msg.RequestCompleteMessage) {
const id = message.id;
const calls = this.calls;
const future = calls.get(id);
calls.delete(id);
if (!future)
continue;
future.reject(error);
}
})
.finally(() => {
for (const message of messages)
if (message instanceof msg.RequestCompleteMessage)
this.calls.delete(message.id);
});
};
}
call$(method, data) {
return (data instanceof rxjs_1.Observable ? data : (0, rxjs_1.of)(data)).pipe((0, rxjs_1.switchMap)((data) => this.call(method, data)));
}
async call(method, request) {
const id = this.id;
this.id = (id + 1) % 0xffff;
const value = new Value_1.RpcValue(request, undefined);
const message = new msg.RequestCompleteMessage(id, method, value);
const future = new Defer_1.Defer();
this.calls.set(id, future);
this.buffer.push(message);
return await future.promise;
}
notify(method, data) {
const value = new Value_1.RpcValue(data, undefined);
this.buffer.push(new msg.NotificationMessage(method, value));
}
stop() { }
}
exports.StaticRpcClient = StaticRpcClient;
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