networking
Version:
Library for typed, event-based networking between a server and clients.
41 lines (40 loc) • 1.99 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const emitter_1 = require("./emitter");
const tracker_1 = require("../stream/tracker");
const errors_1 = require("../errors");
class StreamEmitter extends emitter_1.Emitter {
// public emit(event: string, stream: Stream, ...args: Json[]) : Promise<Tracker>;
emit(event, stream, ...args) {
return new Promise((resolve, reject) => {
let options = stream.options || {};
this.socket.emit('@net/stream', event, options, ...args, (error, id, value) => {
if (error) {
// The error can be a string with an intentional error, or true for a general error
return reject(new errors_1.StreamError((typeof error === 'string') ? error : 'The remote\'s stream handler encountered an error', true));
}
if (!id) {
// A missing id means the remote rejected the stream without an error message
return reject(new errors_1.StreamError('Stream rejected by remote'));
}
let iostream = this.client.getStreamer().convertStream(stream, id);
let tracker = new tracker_1.Tracker(id, value, iostream);
this.client.getStreamer().sendStream(id, iostream, tracker);
resolve(tracker);
});
});
}
// public on(event: string, callback: (stream: IOStream, ...args: Json[]) => void): void;
on(event, callback) {
if (!(event in this.callbacks))
this.callbacks[event] = [];
this.callbacks[event].push({ once: false, callback });
}
// public once(event: string, callback: (stream: IOStream, ...args: Json[]) => void): void;
once(event, callback) {
if (!(event in this.callbacks))
this.callbacks[event] = [];
this.callbacks[event].push({ once: true, callback });
}
}
exports.StreamEmitter = StreamEmitter;