Move Google Analytics integration into a proper plugin

editions/tw5.com/tiddlers/system/GoogleAnalyticsAccount.tid

@@ -0,0 +1,3 @@
+title: $:/GoogleAnalyticsAccount
+
+UA-32839735-1

editions/tw5.com/tiddlers/system/GoogleAnalyticsDomain.tid

@@ -0,0 +1,3 @@
+title: $:/GoogleAnalyticsDomain
+
+tiddlywiki.com

editions/tw5.com/tiddlers/system/analytics.tid

@@ -1,14 +0,0 @@
-title: $:/wiki/analytics
-type: application/javascript
-library: yes
-
-  var _gaq = _gaq || [];
-  _gaq.push(['_setAccount', 'UA-32839735-1']);
-  _gaq.push(['_setDomainName', 'tiddlywiki.com']);
-  _gaq.push(['_trackPageview']);
-
-  (function() {
-    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
-    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
-    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
-  })();

editions/tw5.com/tiddlywiki.info

@@ -1,6 +1,7 @@
 {
 	"plugins": [
 		"tiddlywiki/fullscreen",
+		"tiddlywiki/googleanalytics",
 		"tiddlywiki/github-fork-ribbon"
 	],
 	"themes": [

plugins/tiddlywiki/googleanalytics/googleanalytics.js

@@ -0,0 +1,32 @@
+/*\
+title: $:/plugins/tiddlywiki/googleanalytics/googleanalytics.js
+type: application/javascript
+module-type: startup
+
+Runs Google Analytics with the account number in the tiddler `$:/GoogleAnalyticsAccount` and the domain name in `$:/GoogleAnalyticsDomain`
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+var GOOGLE_ANALYTICS_ACCOUNT = "$:/GoogleAnalyticsAccount",
+	GOOGLE_ANALYTICS_DOMAIN = "$:/GoogleAnalyticsDomain";
+
+exports.startup = function() {
+	if($tw.browser) {
+		window._gaq = window._gaq || [];
+		_gaq.push(["_setAccount", $tw.wiki.getTiddlerText(GOOGLE_ANALYTICS_ACCOUNT)]);
+		_gaq.push(["_setDomainName", $tw.wiki.getTiddlerText(GOOGLE_ANALYTICS_DOMAIN)]);
+		_gaq.push(["_trackPageview"]);
+		var ga = document.createElement("script");
+		ga.type = "text/javascript";
+		ga.async = true;
+		ga.src = ("https:" == document.location.protocol ? "https://ssl" : "http://www") + ".google-analytics.com/ga.js";
+		document.body.appendChild(ga);
+	}
+};
+
+})();

plugins/tiddlywiki/googleanalytics/plugin.info

@@ -0,0 +1,6 @@
+{
+	"title": "$:/plugins/tiddlywiki/googleanalytics",
+	"description": "Google Analytics plugin for TiddlyWiki5",
+	"author": "JeremyRuston",
+	"core-version": ">=5.0.0"
+}