From d4d87a94f8786a4597af38aa8392525eb5c1f25e Mon Sep 17 00:00:00 2001
From: John O'Keefe <jrokeefe@protonmail.com>
Date: Thu, 13 Aug 2026 12:46:11 -0400
Subject: [PATCH] Avoid redundant render when setting spread before first
 display

---
 fixed-layout.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fixed-layout.js b/fixed-layout.js
index 8ed7452..9c493bb 100644
--- a/fixed-layout.js
+++ b/fixed-layout.js
@@ -890,9 +890,10 @@ export class FixedLayout extends HTMLElement {
 
   #setSpread(value) {
     this.spread = value;
-    const currentSection =
-      this.book?.sections[this.index] ?? this.book?.sections[0];
+    const started = this.#index >= 0;
+    const currentSection = started ? this.book?.sections[this.index] : null;
     this.#computeSpreads();
+    if (!started) return;
     const resolved = currentSection ? this.getSpreadOf(currentSection) : null;
     if (resolved) this.goToSpread(resolved.index, resolved.side, "page");
     else this.#render();