From f559ca29149977d94cd5b12ef08a5027626ca5c8 Mon Sep 17 00:00:00 2001
From: Robin North <robin@robinnorth.co.uk>
Date: Mon, 22 Jan 2018 19:06:45 +0000
Subject: [PATCH] Cleanup default analytics function

---
 index.js                   | 4 +++-
 lib/proto/parse-options.js | 6 ------
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/index.js b/index.js
index e8ca6e6..8499ff3 100644
--- a/index.js
+++ b/index.js
@@ -272,7 +272,9 @@ Pjax.prototype = {
     // Fire Events
     trigger(document,"pjax:complete pjax:success", state.options)
 
-    state.options.analytics()
+    if (typeof state.options.analytics === "function") {
+      state.options.analytics()
+    }
 
     if (state.options.history) {
       // First parse url and check for hash to override scroll
diff --git a/lib/proto/parse-options.js b/lib/proto/parse-options.js
index 37c16c7..2d89b99 100644
--- a/lib/proto/parse-options.js
+++ b/lib/proto/parse-options.js
@@ -10,9 +10,6 @@ module.exports = function(options) {
   this.options.switchesOptions = this.options.switchesOptions || {}
   this.options.history = this.options.history || true
   this.options.analytics = this.options.analytics || function() {
-    // options.backward or options.foward can be true or undefined
-    // by default, we do track back/foward hit
-    // https://productforums.google.com/forum/#!topic/analytics/WVwMDjLhXYk
     if (window._gaq) {
       _gaq.push(["_trackPageview"])
     }
@@ -36,7 +33,4 @@ module.exports = function(options) {
   if (!this.options.switches.body) {
     this.options.switches.body = defaultSwitches.switchElementsAlt
   }
-  if (typeof options.analytics !== "function") {
-    options.analytics = function() {}
-  }
 }