Function buildWebSocketUrl

dash/dash-renderer/src/observers/websocketObserver.ts:269–280

* Build the WebSocket URL from config.

(config: DashConfig)

 * Build the WebSocket URL from config.
 */
function buildWebSocketUrl(config: DashConfig): string {
    if (!config.websocket?.url) {
        throw new Error('WebSocket URL not configured');
    }

    // Convert HTTP(S) URL to WS(S)
    const wsProtocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
    const host = window.location.host;

    // The config.websocket.url is a path like "/_dash-ws-callback"
    return `${wsProtocol}//${host}${config.websocket.url}`;
}

/**
 * Disconnect from the WebSocket.