fix(BOOK-152): Removed old header references inside useStickyPosition hook to fix offset issue for the sitewide alert

Approved-by: Matilda Landström

packages/common/hooks/useStickyPosition.ts

@@ -1,6 +1,6 @@
 "use client"
 
-import { useCallback, useEffect, useState } from "react"
+import { useCallback, useEffect } from "react"
 
 import useStickyPositionStore, {
   type StickyElement,
@@ -43,15 +43,7 @@ export default function useStickyPosition({
     updateHeights,
     getAllElements,
   } = useStickyPositionStore()
-
-  /* Used for Current mobile header since that doesn't use this hook.
-   *
-   * Instead, calculate if the mobile header is shown and add the height of
-   * that "manually" to all offsets using this hook.
-   *
-   * TODO: Remove this and just use 0 when the current header has been removed.
-   */
-  const [baseTopOffset, setBaseTopOffset] = useState(0)
+  const baseTopOffset = 0
 
   useEffect(() => {
     if (ref && name) {
@@ -119,13 +111,6 @@ export default function useStickyPosition({
     if (!resizeObserver) {
       const debouncedResizeHandler = debounce(() => {
         updateHeights()
-
-        // Only do this special handling if we have the current header
-        if (document.body.clientWidth > 950) {
-          setBaseTopOffset(0)
-        } else {
-          setBaseTopOffset(52.41) // The height of current mobile header
-        }
       }, 100)
 
       resizeObserver = new ResizeObserver(debouncedResizeHandler)