emotiv-ts/src/services/data-stream.service.js

A Typescript library that wraps the Cortex API functionalities to communicate with Emotiv headsets

import { AuthenticationService } from "./authentication.service";
import "../enums/internal/emotiv.requests";
import { Subscribe } from "../models/requests/datasubscription/subscribe";
import { SessionService } from "./session.service";
export class DataStreamService {
    socket;
    constructor(socket) {
        this.socket = socket;
    }
    subscribe(streams, action) {
        let authToken = AuthenticationService.getAuthToken();
        let sessionId = SessionService.getSessionId();
        let subRequest = new Subscribe(authToken, sessionId, streams);
        this.socket.send(JSON.stringify(subRequest));
        this.socket.onmessage = (message) => {
            try {
                let data = JSON.parse(message.data);
                console.debug("SubRequest response:", data);
                action(data);
            }
            catch (error) {
                console.error(error);
            }
        };
    }
}