Function dispose

src/ChartGPU.ts:1266–1300

()

  canvas.addEventListener('pointerup', onPointerUp, { passive: true });

  const dispose = (): void => {
    if (disposed) return;
    disposed = true;

    try {
      // Requirement: dispose order: cancel RAF, coordinator.dispose(), gpuContext.destroy(), remove canvas.
      cancelPendingFrame();
      disposeDataZoomUi();
      unbindCoordinatorInteractionXChange();
      coordinator?.dispose();
      coordinator = null;
      coordinatorTargetFormat = null;
      gpuContext?.destroy();
    } finally {
      tapCandidate = null;
      suppressNextLostPointerCaptureId = null;
      hovered = null;
      interactionScalesCache = null;

      canvas.removeEventListener('pointermove', onPointerMove);
      canvas.removeEventListener('pointerleave', onPointerLeave);
      canvas.removeEventListener('pointercancel', onPointerCancel);
      canvas.removeEventListener('lostpointercapture', onLostPointerCapture);
      canvas.removeEventListener('pointerdown', onPointerDown);
      canvas.removeEventListener('pointerup', onPointerUp);

      listeners.click.clear();
      listeners.mouseover.clear();
      listeners.mouseout.clear();
      listeners.crosshairMove.clear();

      gpuContext = null;
      canvas.remove();
    }
  };

  const instance: ChartGPUInstance = {
    get options() {