Initial commit

src/stores/compareStore.ts

@@ -0,0 +1,27 @@
+import { create } from 'zustand'
+
+const MAX_COMPARE_ITEMS = 3
+
+interface CompareState {
+  compareTray: string[]
+  addToCompare: (propertyId: string) => void
+  removeFromCompare: (propertyId: string) => void
+  clearCompare: () => void
+  isInCompare: (propertyId: string) => boolean
+  isFull: () => boolean
+}
+
+export const useCompareStore = create<CompareState>((set, get) => ({
+  compareTray: [],
+  addToCompare: (propertyId) =>
+    set((state) => {
+      if (state.compareTray.length >= MAX_COMPARE_ITEMS) return state
+      if (state.compareTray.includes(propertyId)) return state
+      return { compareTray: [...state.compareTray, propertyId] }
+    }),
+  removeFromCompare: (propertyId) =>
+    set((state) => ({ compareTray: state.compareTray.filter(id => id !== propertyId) })),
+  clearCompare: () => set({ compareTray: [] }),
+  isInCompare: (propertyId) => get().compareTray.includes(propertyId),
+  isFull: () => get().compareTray.length >= MAX_COMPARE_ITEMS,
+}))