@gtkx/react / GtkStackSidebar
Variable: GtkStackSidebar
constGtkStackSidebar:"GtkStackSidebar"
Defined in: packages/react/src/generated/jsx.ts:15485
Uses a sidebar to switch between GtkStack pages.

In order to use a GtkStackSidebar, you simply use a GtkStack to organize your UI flow, and add the sidebar to your sidebar area. You can use Gtk.StackSidebar.set_stack to connect the GtkStackSidebar to the GtkStack.
CSS nodes
GtkStackSidebar has a single CSS node with name stacksidebar and style class .sidebar.
When circumstances require it, GtkStackSidebar adds the .needs-attention style class to the widgets representing the stack pages.