From af957c015033c6a3ae3b4d017d7be917cd08a2f0 Mon Sep 17 00:00:00 2001
From: Eryn Wells <eryn@erynwells.me>
Date: Sun, 2 Apr 2023 19:45:23 -0700
Subject: [PATCH] Pull carousels array out into a variable and bail early if
 there are no carousels

---
 assets/scripts/photo_carousel.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/assets/scripts/photo_carousel.js b/assets/scripts/photo_carousel.js
index d7ae0b2..1b6cc3a 100644
--- a/assets/scripts/photo_carousel.js
+++ b/assets/scripts/photo_carousel.js
@@ -171,6 +171,16 @@ class PhotoParametersTable {
 }
 
 document.addEventListener("DOMContentLoaded", (event) => {
+    let allCarousels = Array.from(document.querySelectorAll("figure.carousel")).sort((a, b) => {
+        const aRect = a.getBoundingClientRect();
+        const bRect = a.getBoundingClientRect();
+        return aRect.top - bRect.top;
+    });
+
+    if (allCarousels.length === 0) {
+        return;
+    }
+
     let photoParams = null;
 
     const photoParamsTableElement = document.querySelector(".photo-params table");
@@ -178,7 +188,7 @@ document.addEventListener("DOMContentLoaded", (event) => {
         photoParams = new PhotoParametersTable(photoParamsTableElement);
     }
 
-    document.querySelectorAll("figure.carousel").forEach(carouselElement => {
+    allCarousels.forEach(carouselElement => {
         class CarouselItem {
             element = null;
             relativeX = 0;