1 files changed, 31 insertions, 0 deletions
diff --git a/src/cartStore.ts b/src/cartStore.ts
new file mode 100644
index 000000000..a57a6ce87
--- /dev/null
+++ b/src/cartStore.ts
@@ -0,0 +1,31 @@
+import { atom, map } from 'nanostores';
+
+export const isCartOpen = atom(false);
+
+export type CartItem = {
+	id: string;
+	name: string;
+	imageSrc: string;
+	quantity: number;
+};
+
+export type CartItemDisplayInfo = Pick<CartItem, 'id' | 'name' | 'imageSrc'>;
+
+export const cartItems = map<Record<string, CartItem>>({});
+
+export function addCartItem({ id, name, imageSrc }: CartItemDisplayInfo) {
+	const existingEntry = cartItems.get()[id];
+	if (existingEntry) {
+		cartItems.setKey(id, {
+			...existingEntry,
+			quantity: existingEntry.quantity + 1,
+		});
+	} else {
+		cartItems.setKey(id, {
+			id,
+			name,
+			imageSrc,
+			quantity: 1,
+		});
+	}
+}