TransformExtension.cs

using UnityEngine;

public static class TransformExtension
{
	public static T[] GetAllComponentsInChildren<T>(this Transform transform)
	{
		return transform.GetComponentsInChildren<T>(true);
	}

	public static T[] GetAllComponentsInParent<T>(this Transform transform)
	{
		return transform.GetComponentsInParent<T>(true);
	}
}