cleanup

Author: djih

CHANGELOG.md

@@ -1,7 +1,7 @@
 ## Unreleased
 
 * If cookies are disabled by user, then fallback to localstorage to save the cookie data.
-* Migrate sessionId, lastEventTime, eventId, and identifyId to cookie storage to support sessions across different subdomains.
+* Migrate sessionId, lastEventTime, eventId, identifyId, and sequenceNumber to cookie storage to support sessions across different subdomains.
 
 ## 2.6.2 (November 17, 2015)
 

amplitude.js

@@ -418,21 +418,11 @@ var _saveCookieData = function(scope) {
 
 // the follow fields used to be saved in localStorage, now saved in cookie to support different subdomains
 var _clearSessionAndEventTrackingFromLocalStorage = function() {
-  if (localStorage.getItem(LocalStorageKeys.SESSION_ID)) {
-    localStorage.removeItem(LocalStorageKeys.SESSION_ID);
-  }
-  if (localStorage.getItem(LocalStorageKeys.LAST_EVENT_TIME)) {
-    localStorage.removeItem(LocalStorageKeys.LAST_EVENT_TIME);
-  }
-  if (localStorage.getItem(LocalStorageKeys.LAST_EVENT_ID)) {
-    localStorage.removeItem(LocalStorageKeys.LAST_EVENT_ID);
-  }
-  if (localStorage.getItem(LocalStorageKeys.LAST_IDENTIFY_ID)) {
-    localStorage.removeItem(LocalStorageKeys.LAST_IDENTIFY_ID);
-  }
-  if (localStorage.getItem(LocalStorageKeys.LAST_SEQUENCE_NUMBER)) {
-    localStorage.removeItem(LocalStorageKeys.LAST_SEQUENCE_NUMBER);
-  }
+  localStorage.removeItem(LocalStorageKeys.SESSION_ID);
+  localStorage.removeItem(LocalStorageKeys.LAST_EVENT_TIME);
+  localStorage.removeItem(LocalStorageKeys.LAST_EVENT_ID);
+  localStorage.removeItem(LocalStorageKeys.LAST_IDENTIFY_ID);
+  localStorage.removeItem(LocalStorageKeys.LAST_SEQUENCE_NUMBER);
 };
 
 Amplitude._getUtmParam = function(name, query) {

amplitude.min.js

@@ -312,21 +312,11 @@ var _saveCookieData = function(scope) {
 
 // the follow fields used to be saved in localStorage, now saved in cookie to support different subdomains
 var _clearSessionAndEventTrackingFromLocalStorage = function() {
-  if (localStorage.getItem(LocalStorageKeys.SESSION_ID)) {
-    localStorage.removeItem(LocalStorageKeys.SESSION_ID);
-  }
-  if (localStorage.getItem(LocalStorageKeys.LAST_EVENT_TIME)) {
-    localStorage.removeItem(LocalStorageKeys.LAST_EVENT_TIME);
-  }
-  if (localStorage.getItem(LocalStorageKeys.LAST_EVENT_ID)) {
-    localStorage.removeItem(LocalStorageKeys.LAST_EVENT_ID);
-  }
-  if (localStorage.getItem(LocalStorageKeys.LAST_IDENTIFY_ID)) {
-    localStorage.removeItem(LocalStorageKeys.LAST_IDENTIFY_ID);
-  }
-  if (localStorage.getItem(LocalStorageKeys.LAST_SEQUENCE_NUMBER)) {
-    localStorage.removeItem(LocalStorageKeys.LAST_SEQUENCE_NUMBER);
-  }
+  localStorage.removeItem(LocalStorageKeys.SESSION_ID);
+  localStorage.removeItem(LocalStorageKeys.LAST_EVENT_TIME);
+  localStorage.removeItem(LocalStorageKeys.LAST_EVENT_ID);
+  localStorage.removeItem(LocalStorageKeys.LAST_IDENTIFY_ID);
+  localStorage.removeItem(LocalStorageKeys.LAST_SEQUENCE_NUMBER);
 };
 
 Amplitude._getUtmParam = function(name, query) {