Open Web Analytics integration, comments in config

conf.json.example

 	"title": "Spus",
 	"base_url": "http://example.com",
 	"port": 8081,
+
+	# PostrgeSQL credentials
 	"db": {
 		"host": "localhost",
 		"user": "dbuser",
 		"password": "dbpass",
 		"database": "spus"
 	},
+
+	# HTTPS settings
 	"use_https": false,
 	"https": {
 		"key": "",
 		"cert": ""
 	},
+
+	# Open Web Analytics settings
+	"use_owa": false,
+	"owa": {
+		"base_url": "",
+		"site_id": ""
+	},
+
+	# Scrypt settings for password hashing
 	"scrypt": {
 		"maxtime": 1
 	},
+
+	# Should we minify resources?
 	"minify": true,
+
+	# Timeout in milliseconds before a session is destroyed
 	"session_timeout": 1800000,
+
+	# Various directories
 	"dir": {
 		"imgs": "imgs",
 		"web": "web"
 	},
+
+	# In debug mode, an uncaught exception will stop the program and display
+	# a neat stack trace.
 	"debug": false,
+
+	# To invalidate cache, we add "?$n" to static resource requests
+	# (scripts, CSS, etc.), where "$n" is an incrementing number.
+	# `max_runs` is how big $n can be before we reset to 0.
 	"max_runs": 9999,
+
+	# Time in seconds before static content caches are invalidated
 	"cache_max_age": 2628000,
+
+	# Time in seconds before image caches are invalidated
 	"cache_max_age_images": 2628000,
+
+	# How long time it should take before anonymous images are deleted
 	"purge_collections_timeout": "2 days",
+
+	# Time in milliseconds between each time we query the database for old
+	# anonymous pictures
 	"purge_collections_interval": 1800000
 }

lib/minify.js

 	return minifyHtml(src, {
 		removeComments: true,
 		collapseWhitespace: true,
+		minifyJS: true
 	});
 }
 

lib/preprocess.js

 var localRegex = new RegExp(regexStr);
 var globalRegex = new RegExp(regexStr, "g");
 
+function getObjVal(obj, str) {
+	var val = obj[str];
+	if (val !== undefined)
+		return val;
+
+	var parts = str.split(".");
+
+	val = obj;
+	for (var i = 0; i < parts.length; ++i) {
+		val = val[parts[i]];
+		if (val === undefined)
+			return undefined;
+	}
+
+	return val;
+}
+
 function getVal(str, env) {
 	if (vals.env.test(str)) {
 		var parts = str.split("#");
 		if (typeof ns === "function")
 			return ns(parts[1]);
 		else if (ns !== undefined)
-			return ns[parts[1]];
+			return getObjVal(ns, parts[1]);
 		else
 			throw new Error("No: "+str);
 	} else if (vals.string.test(str)) {

server.js

 var loader = require("./lib/loader.js");
 var Context = require("./lib/context.js");
 
-var conf = JSON.parse(fs.readFileSync("conf.json"));
+var conf = JSON.parse(fs.readFileSync("conf.json", "utf8").replace(/^\s*#.+/gm, ""));
 
 var endpoints = {
 

templates/head.html

 <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js" defer></script>
 <script src="/global.js?{{conf#current_run}}" defer></script>
 <script src="/{{env#view}}/script.js?{{conf#current_run}}" defer></script>
+
+{{conf#use_owa ? template#open-web-analytics : ''}}

templates/open-web-analytics.html

+<script type="text/javascript">
+//<![CDATA[
+var owa_baseUrl = '{{conf#owa.base_url}}';
+var owa_cmds = owa_cmds || [];
+owa_cmds.push(['setSiteId', '{{conf#owa.site_id}}']);
+owa_cmds.push(['trackPageView']);
+owa_cmds.push(['trackClicks']);
+owa_cmds.push(['trackDomStream']);
+
+(function() {
+	var _owa = document.createElement('script'); _owa.type = 'text/javascript'; _owa.async = true;
+	owa_baseUrl = ('https:' == document.location.protocol ? window.owa_baseSecUrl || owa_baseUrl.replace(/http:/, 'https:') : owa_baseUrl );
+	_owa.src = owa_baseUrl + 'modules/base/js/owa.tracker-combined-min.js';
+	var _owa_s = document.getElementsByTagName('script')[0]; _owa_s.parentNode.insertBefore(_owa, _owa_s);
+}());
+//]]>
+</script>