openai/beta/realtime/websocket.mjs

The official TypeScript library for the OpenAI API

import { OpenAI } from "../../index.mjs";
import { OpenAIError } from "../../error.mjs";
import * as Core from "../../core.mjs";
import { OpenAIRealtimeEmitter, buildRealtimeURL } from "./internal-base.mjs";
export class OpenAIRealtimeWebSocket extends OpenAIRealtimeEmitter {
    constructor(props, client) {
        super();
        const dangerouslyAllowBrowser = props.dangerouslyAllowBrowser ??
            client?._options?.dangerouslyAllowBrowser ??
            (client?.apiKey.startsWith('ek_') ? true : null);
        if (!dangerouslyAllowBrowser && Core.isRunningInBrowser()) {
            throw new OpenAIError("It looks like you're running in a browser-like environment.\n\nThis is disabled by default, as it risks exposing your secret API credentials to attackers.\n\nYou can avoid this error by creating an ephemeral session token:\nhttps://platform.openai.com/docs/api-reference/realtime-sessions\n");
        }
        client ?? (client = new OpenAI({ dangerouslyAllowBrowser }));
        this.url = buildRealtimeURL({ baseURL: client.baseURL, model: props.model });
        // @ts-ignore
        this.socket = new WebSocket(this.url, [
            'realtime',
            `openai-insecure-api-key.${client.apiKey}`,
            'openai-beta.realtime-v1',
        ]);
        this.socket.addEventListener('message', (websocketEvent) => {
            const event = (() => {
                try {
                    return JSON.parse(websocketEvent.data.toString());
                }
                catch (err) {
                    this._onError(null, 'could not parse websocket event', err);
                    return null;
                }
            })();
            if (event) {
                this._emit('event', event);
                if (event.type === 'error') {
                    this._onError(event);
                }
                else {
                    // @ts-expect-error TS isn't smart enough to get the relationship right here
                    this._emit(event.type, event);
                }
            }
        });
        this.socket.addEventListener('error', (event) => {
            this._onError(null, event.message, null);
        });
    }
    send(event) {
        try {
            this.socket.send(JSON.stringify(event));
        }
        catch (err) {
            this._onError(null, 'could not send data', err);
        }
    }
    close(props) {
        try {
            this.socket.close(props?.code ?? 1000, props?.reason ?? 'OK');
        }
        catch (err) {
            this._onError(null, 'could not close the connection', err);
        }
    }
}
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