Kitchen toolbar

toolbar.js

const agentView = NSStackView.alloc().init();
const container = NSView.alloc().initWithFrame(NSMakeRect(0, 0, UI.TOOLBAR_DEFAULT_WIDTH, 400));
container.identifier = pluginConstant.BAR_CONTAINER;
container.addSubview(agentView);

const viewsDictionary = { container, stack: agentView };
const horizontalConstraints = NSLayoutConstraint.constraintsWithVisualFormat_options_metrics_views(
  'H:|-0-[stack]-0-|',
  0,
  nil,
  viewsDictionary,
);
const verticalConstraints = NSLayoutConstraint.constraintsWithVisualFormat_options_metrics_views(
  'V:[stack]-0-|',
  0,
  nil,
  viewsDictionary,
);
container.addConstraints(horizontalConstraints);
container.addConstraints(verticalConstraints);

const topAnchor =
  util.systemVersion() >= '11.0.0'
    ? container.safeAreaLayoutGuide().topAnchor()
    : container.topAnchor();
agentView.topAnchor().constraintEqualToAnchor(topAnchor).setActive(true);

const viewController = NSViewController.alloc().init();
viewController.view = container;
const toolbarView = NSSplitViewItem.splitViewItemWithViewController(viewController);
toolbarView.holdingPriority = NSLayoutPriorityRequired;
toolbarView.maximumThickness = UI.TOOLBAR_DEFAULT_WIDTH;
document.splitViewController().insertSplitViewItem_atIndex(toolbarView, 2);