2 files changed, 77 insertions, 0 deletions
diff --git a/storefront/lib/format.js b/storefront/lib/format.js
new file mode 100644
index 0000000..9e92a8b
--- /dev/null
+++ b/storefront/lib/format.js
@@ -0,0 +1,11 @@
+export const formatAmount = (amount, currencyCode = "EUR") => {
+  if (typeof amount !== "number") {
+    return ""
+  }
+
+  const normalizedCurrency = currencyCode.toUpperCase()
+  return new Intl.NumberFormat("fr-FR", {
+    style: "currency",
+    currency: normalizedCurrency,
+  }).format(amount / 100)
+}
diff --git a/storefront/lib/storefront.js b/storefront/lib/storefront.js
new file mode 100644
index 0000000..ccfe1cd
--- /dev/null
+++ b/storefront/lib/storefront.js
@@ -0,0 +1,66 @@
+export const cartStorageKey = "lsb_cart_id"
+export const tokenStorageKey = "lsb_customer_token"
+
+export const getStoredCartId = () => {
+  if (typeof window === "undefined") {
+    return null
+  }
+  return window.localStorage.getItem(cartStorageKey)
+}
+
+export const setStoredCartId = (cartId) => {
+  if (typeof window === "undefined") {
+    return
+  }
+  window.localStorage.setItem(cartStorageKey, cartId)
+}
+
+export const clearStoredCartId = () => {
+  if (typeof window === "undefined") {
+    return
+  }
+  window.localStorage.removeItem(cartStorageKey)
+}
+
+export const getStoredToken = () => {
+  if (typeof window === "undefined") {
+    return null
+  }
+  return window.localStorage.getItem(tokenStorageKey)
+}
+
+export const setStoredToken = (token) => {
+  if (typeof window === "undefined") {
+    return
+  }
+  window.localStorage.setItem(tokenStorageKey, token)
+}
+
+export const clearStoredToken = () => {
+  if (typeof window === "undefined") {
+    return
+  }
+  window.localStorage.removeItem(tokenStorageKey)
+}
+
+export const ensureCart = async (client) => {
+  const storedCartId = getStoredCartId()
+
+  if (storedCartId) {
+    try {
+      const { cart } = await client.carts.retrieve(storedCartId)
+      return cart
+    } catch (error) {
+      clearStoredCartId()
+    }
+  }
+
+  const { regions } = await client.regions.list()
+  if (!regions?.length) {
+    throw new Error("Aucune région disponible pour créer un panier.")
+  }
+
+  const { cart } = await client.carts.create({ region_id: regions[0].id })
+  setStoredCartId(cart.id)
+  return cart
+}