Updated logout API to remove the cookie

lib/bigcommerce/api/customers/handlers/logout.ts

@@ -1,3 +1,4 @@
+import { serialize } from 'cookie'
 import { LogoutHandlers } from '../logout'
 
 const logoutHandler: LogoutHandlers['logout'] = async ({
@@ -5,6 +6,12 @@ const logoutHandler: LogoutHandlers['logout'] = async ({
   body: { redirectTo },
   config,
 }) => {
+  // Remove the cookie
+  res.setHeader(
+    'Set-Cookie',
+    serialize(config.customerCookie, '', { maxAge: -1, path: '/' })
+  )
+
   // Only allow redirects to a relative URL
   if (redirectTo?.startsWith('/')) {
     res.redirect(redirectTo)

lib/bigcommerce/api/index.ts

@@ -66,9 +66,12 @@ if (!(STORE_API_URL && STORE_API_TOKEN && STORE_API_CLIENT_ID)) {
 export class Config {
   private config: BigcommerceConfig
 
-  constructor(config: BigcommerceConfigOptions) {
+  constructor(config: Omit<BigcommerceConfigOptions, 'customerCookie'>) {
     this.config = {
       ...config,
+      // The customerCookie is not customizable for now, BC sets the cookie and it's
+      // not important to rename it
+      customerCookie: 'SHOP_TOKEN',
       imageVariables: this.getImageVariables(config.images),
     }
   }

lib/commerce/api/index.ts

@@ -3,6 +3,7 @@ export interface CommerceAPIConfig {
   apiToken: string
   cartCookie: string
   cartCookieMaxAge: number
+  customerCookie: string
   fetch<Data = any, Variables = any>(
     query: string,
     queryData?: CommerceAPIFetchOptions<Variables>,