prevent a potentially badly written theme.json from blowing up your forum

public/src/templates.js

@@ -61,9 +61,10 @@
 		function loadServer() {
 			var loaded = templatesToLoad.length;
 
+			function getTemplates(directory) {
 				for (var t in templatesToLoad) {
 					(function (file) {
-					fs.readFile((customTemplateDir ? customTemplateDir : __dirname + '/../templates') + '/' + file + '.tpl', function (err, html) {
+						fs.readFile(directory + '/' + file + '.tpl', function (err, html) {
 							var template = function () {
 								this.toString = function () {
 									return this.html;
@@ -82,6 +83,16 @@
 					}(templatesToLoad[t]));
 				}
 			}
+			if (customTemplateDir) {
+				fs.exists(customTemplateDir, function (exists) {
+					var directory = (exists ? customTemplateDir : __dirname + '/../templates');
+					getTemplates(customTemplateDir);
+				});
+			} else {
+				getTemplates(__dirname + '/../templates');
+			}
+			
+		}
 
 		function loadClient() {
 			jQuery.when(jQuery.getJSON(RELATIVE_PATH + '/templates/config.json'), jQuery.getJSON(RELATIVE_PATH + '/api/get_templates_listing')).done(function (config_data, templates_data) {