openai/beta/realtime/internal-base.mjs

The official TypeScript library for the OpenAI API

import { EventEmitter } from "../../lib/EventEmitter.mjs";
import { OpenAIError } from "../../error.mjs";
import { AzureOpenAI } from "../../index.mjs";
export class OpenAIRealtimeError extends OpenAIError {
    constructor(message, event) {
        super(message);
        this.error = event?.error;
        this.event_id = event?.event_id;
    }
}
export class OpenAIRealtimeEmitter extends EventEmitter {
    _onError(event, message, cause) {
        message =
            event?.error ?
                `${event.error.message} code=${event.error.code} param=${event.error.param} type=${event.error.type} event_id=${event.error.event_id}`
                : message ?? 'unknown error';
        if (!this._hasListener('error')) {
            const error = new OpenAIRealtimeError(message +
                `\n\nTo resolve these unhandled rejection errors you should bind an \`error\` callback, e.g. \`rt.on('error', (error) => ...)\` `, event);
            // @ts-ignore
            error.cause = cause;
            Promise.reject(error);
            return;
        }
        const error = new OpenAIRealtimeError(message, event);
        // @ts-ignore
        error.cause = cause;
        this._emit('error', error);
    }
}
export function isAzure(client) {
    return client instanceof AzureOpenAI;
}
export function buildRealtimeURL(client, connection) {
    const config = typeof connection === 'string' ? { model: connection } : connection;
    const baseURL = client.baseURL;
    const azure = isAzure(client);
    const hasModel = !!config.model;
    const hasCallID = !!config.callID;
    const path = '/realtime';
    const url = new URL(baseURL + (baseURL.endsWith('/') ? path.slice(1) : path));
    if (hasModel === hasCallID) {
        throw new Error('Pass exactly one of `model` or `callID` when opening a Realtime WebSocket.');
    }
    url.protocol = 'wss';
    // Sideband control connections attach to an existing call via `call_id`.
    if (azure) {
        if (hasCallID) {
            throw new Error('Azure `callID` connections require the stable Realtime helpers.');
        }
        url.searchParams.set('api-version', client.apiVersion);
        url.searchParams.set('deployment', config.model);
    }
    else {
        if (hasCallID) {
            url.searchParams.set('call_id', config.callID);
        }
        else {
            url.searchParams.set('model', config.model);
        }
    }
    return url;
}
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