From 16c8c5ed1c01dfbcc57da5986debc29bf895490f Mon Sep 17 00:00:00 2001
From: Cristen Jones <cjones3@mbta.com>
Date: Thu, 26 Dec 2024 16:02:00 -0500
Subject: [PATCH] cleanup: remove unused JS code

---
 assets/js/app.js       |  2 --
 assets/js/scroll-to.js | 38 --------------------------------------
 2 files changed, 40 deletions(-)
 delete mode 100644 assets/js/scroll-to.js

diff --git a/assets/js/app.js b/assets/js/app.js
index cd5be24330..4d771675cd 100644
--- a/assets/js/app.js
+++ b/assets/js/app.js
@@ -17,7 +17,6 @@ import geoLocation from "./geolocation";
 import addressSearch from "./address-search";
 import googleTranslate from "./google-translate";
 import translateAnalytics from "./translate-analytics.js";
-import scrollTo from "./scroll-to";
 import stickyTooltip from "./sticky-tooltip";
 import timetableScroll from "./timetable-scroll";
 import timetableStyle from "./timetable-style";
@@ -132,7 +131,6 @@ geoLocation();
 addressSearch();
 googleTranslate();
 translateAnalytics();
-scrollTo();
 tabbedNav();
 timetableScroll();
 timetableStyle();
diff --git a/assets/js/scroll-to.js b/assets/js/scroll-to.js
deleted file mode 100644
index 85ce11066b..0000000000
--- a/assets/js/scroll-to.js
+++ /dev/null
@@ -1,38 +0,0 @@
-export default () => {
-  window.addEventListener("load", scrollTo, { passive: true });
-};
-
-const scrollTo = () => {
-  window.requestAnimationFrame(() => {
-    const initialElToScrollTo = document.querySelector("[data-scroll-to]");
-    if (initialElToScrollTo) {
-      doScrollTo(initialElToScrollTo);
-    }
-  });
-};
-
-const doScrollTo = el => {
-  const childLeft = el.offsetLeft;
-  const parentLeft = el.parentNode.offsetLeft;
-  const firstSiblingWidth = firstSibling(el).clientWidth;
-
-  // childLeft - parentLeft scrolls the first row to the start of the
-  // visible area.
-  const scrollLeft = childLeft - parentLeft - firstSiblingWidth;
-  let table = el.parentNode;
-  while (table.nodeName !== "TABLE") {
-    table = table.parentNode;
-  }
-  table.parentNode.scrollLeft = scrollLeft;
-};
-
-const firstSibling = element => {
-  const sibling = element.parentNode.firstChild;
-  if (sibling.nodeType === 1) {
-    return sibling;
-  } else if (sibling) {
-    return sibling.nextElementSibling;
-  } else {
-    return null;
-  }
-};