Add skipInitialFetch Option (#40)

* Add `skipInitialFetch` Option

* Bump version to 2.0.23

Author: pfvatterott

package.json

@@ -5,7 +5,7 @@
         "type": "git",
         "url": "https://github.com/PropelAuth/javascript"
     },
-    "version": "2.0.22",
+    "version": "2.0.23",
     "keywords": [
         "auth",
         "user",

src/client.ts

@@ -191,6 +191,14 @@ export interface IAuthOptions {
      * Default false
      */
     disableRefreshOnFocus?: boolean
+
+    /**
+     * If true, disables the token refresh on initial page load.
+     * Can help reduce duplicate token refresh requests.
+     * 
+     * Default false
+     */
+    skipInitialFetch?: boolean
 }
 
 interface AccessTokenActiveOrgMap {
@@ -666,7 +674,9 @@ export function createClient(authOptions: IAuthOptions): IAuthClient {
         }
 
         if (authOptions.enableBackgroundTokenRefresh) {
-            client.getAuthenticationInfoOrNull()
+            if (!authOptions.skipInitialFetch) {
+                client.getAuthenticationInfoOrNull()
+            }
             clientState.refreshInterval = window.setInterval(client.getAuthenticationInfoOrNull, 60000)
         }
     }