fix: improve typings

app/[lang]/Tracking.tsx

@@ -1,22 +1,19 @@
 "use client"
 
 import {
+  SiteSectionObject,
   TrackingData,
   TrackingProps,
-  WindowWithDataLayer,
 } from "@/types/components/tracking"
 import { usePathname, useSearchParams } from "next/navigation"
 import { useEffect } from "react"
 
-declare const window: WindowWithDataLayer
-
 function createPageObject(trackingData: TrackingData) {
   const [lang, ...segments] = trackingData.pathName
     .split("/")
     .filter((v: string) => v)
 
-  function getSiteSections(segments: string[]) {
-    const sitesections: { [key: string]: string } = {}
+  function getSiteSections(segments: string[]): SiteSectionObject {
     /* 
       Adobe expects the properties sitesection1 - sitessection6, hence the for-loop below
       The segments ['explore-scandic', 'wifi'] should result in:
@@ -29,8 +26,10 @@ function createPageObject(trackingData: TrackingData) {
         sitesection6: "explore-scandic|wifi||||",
       } 
     */
+    const sitesections = {} as SiteSectionObject
     for (let i = 0; i < 6; i++) {
-      const key = "sitesection" + (i + 1)
+      const key = ("sitesection" + (i + 1)) as keyof SiteSectionObject
+      
       sitesections[key] = segments.slice(0, i + 1).join("|")
       if (i > 0 && !segments[i]) {
         sitesections[key] = sitesections[key].concat(