@jsonjoy.com/reactive-rpc
Version:
Reactive-RPC is a library for building reactive APIs over WebSocket, HTTP, and other RPCs.
61 lines • 2.53 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.RpcPersistentClient = void 0;
const rxjs_1 = require("rxjs");
const operators_1 = require("rxjs/operators");
const StreamingRpcClient_1 = require("./client/StreamingRpcClient");
const channel_1 = require("../channel");
class RpcPersistentClient {
constructor(params) {
this.rpc$ = new rxjs_1.ReplaySubject(1);
const ping = params.ping ?? 15000;
const codec = params.codec;
const textEncoder = new TextEncoder();
this.channel = new channel_1.PersistentChannel(params.channel);
this.channel.open$.pipe((0, operators_1.filter)((open) => open)).subscribe(() => {
const close$ = this.channel.open$.pipe((0, operators_1.filter)((open) => !open));
const client = new StreamingRpcClient_1.StreamingRpcClient({
...params.client,
send: (messages) => {
const encoded = codec.encode(messages, codec.req);
this.channel.send$(encoded).subscribe();
},
});
this.channel.message$.pipe((0, operators_1.takeUntil)(close$)).subscribe((data) => {
const encoded = typeof data === 'string' ? textEncoder.encode(data) : new Uint8Array(data);
const messages = codec.decode(encoded, codec.res);
client.onMessages((messages instanceof Array ? messages : [messages]));
});
if (ping) {
(0, rxjs_1.timer)(ping, ping)
.pipe((0, operators_1.takeUntil)(close$))
.subscribe(() => {
client.notify(params.pingMethod || '.ping', undefined);
});
}
if (this.rpc)
this.rpc.disconnect();
this.rpc = client;
this.rpc$.next(client);
});
}
call$(method, data) {
return this.rpc$.pipe((0, operators_1.first)(), (0, operators_1.switchMap)((rpc) => rpc.call$(method, data)), (0, operators_1.share)());
}
call(method, data) {
return (0, rxjs_1.firstValueFrom)(this.call$(method, data));
}
notify(method, data) {
this.rpc$.subscribe((rpc) => rpc.notify(method, data));
}
start() {
this.channel.start();
}
stop() {
this.channel.stop();
if (this.rpc)
this.rpc.stop();
}
}
exports.RpcPersistentClient = RpcPersistentClient;
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