Method addEvent

packages/core/src/telemetry/uiTelemetry.ts:106–126

(event: UiEvent)

  #lastPromptTokenCount = 0;

  addEvent(event: UiEvent) {
    switch (event['event.name']) {
      case EVENT_API_RESPONSE:
        this.processApiResponse(event);
        break;
      case EVENT_API_ERROR:
        this.processApiError(event);
        break;
      case EVENT_TOOL_CALL:
        this.processToolCall(event);
        break;
      default:
        // We should not emit update for any other event metric.
        return;
    }

    this.emit('update', {
      metrics: this.#metrics,
      lastPromptTokenCount: this.#lastPromptTokenCount,
    });
  }

  getMetrics(): SessionMetrics {
    return this.#metrics;