Method _hook

hooks/src/internal.d.ts:23–23

Attach a hook that is invoked before a hook's state is queried.

(component: Component, index: number, type: HookType)

	_unmount?(vnode: VNode): void;
	/** Attach a hook that is invoked before a hook's state is queried. */
	_hook?(component: Component, index: number, type: HookType): void;
}

// Hook tracking