Function emit

src/ChartGPU.ts:1124–1130

(
    eventName: ChartGPUEventName,
    payload: ChartGPUEventPayload | ChartGPUCrosshairMovePayload
  )

  };

  const emit = (
    eventName: ChartGPUEventName,
    payload: ChartGPUEventPayload | ChartGPUCrosshairMovePayload
  ): void => {
    if (disposed) return;
    for (const cb of listeners[eventName]) (cb as (p: typeof payload) => void)(payload);
  };

  const setHovered = (next: HitTestMatch | null, event: PointerEvent): void => {
    const prev = hovered;