adding sourceRoot to minified mapping

minifier.js

@@ -13,7 +13,7 @@ var uglifyjs = require('uglify-js'),
 	};
 
 /* Javascript */
-Minifier.js.minify = function (scripts, minify, callback) {
+Minifier.js.minify = function (scripts, relativePath, minify, callback) {
 	var options = {};
 
 	scripts = scripts.filter(function(file) {
@@ -23,6 +23,7 @@ Minifier.js.minify = function (scripts, minify, callback) {
 	if (!minify) {
 		options.sourceMapURL = '/nodebb.min.js.map';
 		options.outSourceMap = 'nodebb.min.js.map';
+		options.sourceRoot = relativePath;
 		options.mangle = false;
 		options.compress = false;
 		options.prefix = 1;
@@ -56,7 +57,7 @@ Minifier.js.minify = function (scripts, minify, callback) {
 process.on('message', function(payload) {
 	switch(payload.action) {
 	case 'js':
-		Minifier.js.minify(payload.scripts, payload.minify, function(data) {
+		Minifier.js.minify(payload.scripts, payload.relativePath, payload.minify, function(data) {
 			process.stdout.write(data.js);
 			process.send({
 				type: 'end',

src/meta/js.js

@@ -6,6 +6,7 @@ var winston = require('winston'),
 	async = require('async'),
 	_ = require('underscore'),
 	os = require('os'),
+	nconf = require('nconf'),
 
 	plugins = require('../plugins'),
 	emitter = require('../emitter'),
@@ -177,6 +178,7 @@ module.exports = function(Meta) {
 		Meta.js.prepare(function() {
 			minifier.send({
 				action: 'js',
+				relativePath: nconf.get('url') + '/',
 				minify: minify,
 				scripts: Meta.js.scripts.all
 			});