Method send

@plotly/dash-websocket-worker/src/WebSocketManager.ts:115–138

* Send a message through the WebSocket connection. * If not connected, queues the message and triggers reconnection. * @param message The message to send

(message: unknown)

     * @param message The message to send
     */
    public send(message: unknown): void {
        const data = JSON.stringify(message);

        // Track activity for non-heartbeat messages
        const msgObj = message as { type?: string };
        if (msgObj.type !== 'heartbeat') {
            this.lastActivityTime = Date.now();
        }

        if (this.ws && this.ws.readyState === WebSocket.OPEN) {
            this.ws.send(data);
        } else {
            // Queue message for when connection is established
            this.messageQueue.push(data);

            // Trigger reconnect if we have a server URL but aren't connected/connecting
            if (this.serverUrl && !this.isConnecting) {
                this.isConnecting = true;
                // Reset retry count since this is user-initiated activity
                this.retryCount = 0;
                this.createConnection();
            }
        }
    }

    /**
     * Check if the WebSocket is currently connected.