feat: add optional config flag for disabling auto cart creation and c…

…art functionality

src/config.js

@@ -13,7 +13,8 @@ class Config {
       storage,
       custom_fetch,
       custom_authenticator,
-      headers
+      headers,
+      disableCart
     } = options
 
     this.application = application
@@ -36,6 +37,7 @@ class Config {
     this.storage = storage || new LocalStorageFactory()
     this.custom_authenticator = custom_authenticator
     this.headers = headers || {}
+    this.disableCart = disableCart || false
   }
 }
 

src/moltin.js

@@ -27,12 +27,15 @@ import AccountsEndpoint from './endpoints/accounts'
 import PromotionsEndpoint from './endpoints/promotions'
 import VariationsEndpoint from './endpoints/variations'
 
-import { cartIdentifier } from './utils/helpers'
+import { cartIdentifier, tokenInvalid } from './utils/helpers'
 
 export default class Moltin {
   constructor(config) {
     this.config = config
-    this.cartId = cartIdentifier(config.storage)
+
+    if (!config.disableCart) this.cartId = cartIdentifier(config.storage)
+
+    this.tokenInvalid = () => tokenInvalid(config)
 
     this.request = new RequestFactory(config)
     this.storage = config.storage
@@ -61,7 +64,7 @@ export default class Moltin {
 
   // Expose `Cart` class on Moltin class
   Cart(id = this.cartId) {
-    return new CartEndpoint(this.request, id)
+    return id ? new CartEndpoint(this.request, id) : null
   }
 
   // Expose `authenticate` function on the Moltin class