feat(SW-650): added sticky position hook and store

stores/sticky-position.ts

@@ -0,0 +1,79 @@
+import { create } from "zustand"
+
+export enum StickyElementNameEnum {
+  SITEWIDE_ALERT = "SITEWIDE_ALERT",
+  BOOKING_WIDGET = "BOOKING_WIDGET",
+  HOTEL_TAB_NAVIGATION = "HOTEL_TAB_NAVIGATION",
+  HOTEL_STATIC_MAP = "HOTEL_STATIC_MAP",
+}
+
+export interface StickyElement {
+  height: number
+  ref: React.RefObject<HTMLElement>
+  group: string
+  priority: number
+  name: StickyElementNameEnum
+}
+
+interface StickyStore {
+  stickyElements: StickyElement[]
+  registerSticky: (
+    ref: React.RefObject<HTMLElement>,
+    name: StickyElementNameEnum,
+    group: string
+  ) => void
+  unregisterSticky: (ref: React.RefObject<HTMLElement>) => void
+  updateHeights: () => void
+  getAllElements: () => Array<StickyElement>
+}
+
+// Map to define priorities based on StickyElementNameEnum
+const priorityMap: Record<StickyElementNameEnum, number> = {
+  [StickyElementNameEnum.SITEWIDE_ALERT]: 1,
+  [StickyElementNameEnum.BOOKING_WIDGET]: 2,
+
+  [StickyElementNameEnum.HOTEL_TAB_NAVIGATION]: 3,
+  [StickyElementNameEnum.HOTEL_STATIC_MAP]: 3,
+}
+
+const useStickyPositionStore = create<StickyStore>((set, get) => ({
+  stickyElements: [],
+  registerSticky: (ref, name, group) => {
+    const priority = priorityMap[name] || 0
+
+    set((state) => {
+      const newStickyElement: StickyElement = {
+        height: ref.current?.offsetHeight || 0,
+        ref,
+        group,
+        priority,
+        name,
+      }
+
+      const updatedStickyElements = [
+        ...state.stickyElements,
+        newStickyElement,
+      ].sort((a, b) => a.priority - b.priority)
+
+      return {
+        stickyElements: updatedStickyElements,
+      }
+    })
+  },
+  unregisterSticky: (ref) => {
+    set((state) => ({
+      stickyElements: state.stickyElements.filter((el) => el.ref !== ref),
+    }))
+  },
+  updateHeights: () => {
+    set((state) => ({
+      stickyElements: state.stickyElements.map((el) => ({
+        ...el,
+        height: el.ref.current?.offsetHeight || el.height,
+      })),
+    }))
+  },
+  getAllElements: () => get().stickyElements,
+}))
+
+export default useStickyPositionStore