From 3c8dfb178e596ea080c2f446e9475f1a8b6b2e79 Mon Sep 17 00:00:00 2001
From: Michael Whapples <software@mdw.onl>
Date: Mon, 23 Mar 2026 10:41:02 +0000
Subject: [PATCH] Performance boost finding head element.

---
 utd/src/main/java/org/brailleblaster/utd/utils/UTDHelper.kt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/utd/src/main/java/org/brailleblaster/utd/utils/UTDHelper.kt b/utd/src/main/java/org/brailleblaster/utd/utils/UTDHelper.kt
index c32fe03e..c55e8698 100644
--- a/utd/src/main/java/org/brailleblaster/utd/utils/UTDHelper.kt
+++ b/utd/src/main/java/org/brailleblaster/utd/utils/UTDHelper.kt
@@ -236,11 +236,11 @@ fun getFirstTextDescendant(brlElement: Element): Text {
 
 fun Document?.getDocumentHead(): Element? = this?.rootElement?.findHead()
 
-private fun Node.findHead(): Element? = childNodes.filterIsInstance<Element>().map { when(it.localName) {
+private fun Element.findHead(): Element? = childElements.firstOrNull()?.let { when(localName) {
     "head" -> it
     "book" -> null
     else -> it.findHead()
-} }.firstOrNull()
+} }
 
 
 @JvmOverloads