Initial commit

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01F22Ms5Cxam5UHyxaCrtZzu

lib/customer-account.ts

@@ -0,0 +1,53 @@
+import "server-only";
+import { customerAccountConfig, defaultI18n } from "@shared/config";
+import { EncryptedCookieCustomerSession } from "@shared/customer-session";
+import { createShopifyRequestContext } from "@shopify/hydrogen";
+import { createCustomerSession } from "@shopify/hydrogen/customer-account";
+import { headers } from "next/headers";
+
+import { isCustomerAccountsAvailable } from "./storefront-config";
+
+const DEFAULT_REQUEST_ORIGIN = "https://example.com";
+
+export const customerSession = createCustomerSession({
+  shopId: customerAccountConfig.shopId,
+  customerAccountApiClientId: customerAccountConfig.customerAccountApiClientId,
+});
+
+export async function createCustomerSessionManager(request: Request) {
+  return EncryptedCookieCustomerSession.init(request, customerAccountConfig.sessionSecret);
+}
+
+// Reconstruct a Request from next/headers (App Router doesn't hand you one).
+export async function createCurrentRequest(pathname = "/account") {
+  const requestHeaders = await headers();
+  const host = requestHeaders.get("x-forwarded-host") ?? requestHeaders.get("host");
+  if (!host) {
+    return new Request(`${DEFAULT_REQUEST_ORIGIN}${pathname}`, { headers: requestHeaders });
+  }
+  const protocol = requestHeaders.get("x-forwarded-proto") ?? "https";
+  return new Request(`${protocol}://${host}${pathname}`, { headers: requestHeaders });
+}
+
+export async function isCustomerLoggedIn() {
+  if (!isCustomerAccountsAvailable()) return false;
+  const { requestContext, sessionManager } = await createCustomerRequestContext();
+  return customerSession.isLoggedIn(sessionManager, requestContext);
+}
+
+export async function getCustomerAccessToken() {
+  const { requestContext, sessionManager } = await createCustomerRequestContext();
+  return {
+    accessToken: await customerSession.getAccessToken(sessionManager, requestContext),
+    requestContext,
+  };
+}
+
+async function createCustomerRequestContext(pathname = "/account") {
+  const request = await createCurrentRequest(pathname);
+  return {
+    request,
+    requestContext: createShopifyRequestContext({ request, i18n: defaultI18n }),
+    sessionManager: await createCustomerSessionManager(request),
+  };
+}