source map support, first pass

src/meta.js

@@ -300,7 +300,8 @@ var fs = require('fs'),
 			minifier.on('message', function(payload) {
 				if (payload.action !== 'error') {
 					winston.info('[meta/js] Compilation complete');
-					Meta.js.cache = payload.data;
+					Meta.js.cache = payload.data.js;
+					Meta.js.map = payload.data.map;
 					minifier.kill();
 				} else {
 					winston.error('[meta/js] Could not compile client-side scripts!');
@@ -312,7 +313,8 @@ var fs = require('fs'),
 
 			this.prepare(function() {
 				minifier.send({
-					action: minify ? 'js.minify' : 'js.concatenate',
+					action: 'js',
+					minify: minify,
 					scripts: Meta.js.scripts
 				});
 			});

src/routes/meta.js

@@ -11,18 +11,28 @@ var path = require('path'),
 
 
 function sendMinifiedJS(req, res, next) {
+	if (!minificationEnabled) {
+		res.set('X-SourceMap', '/nodebb.min.js.map');
+	}
+
 	return res.type('text/javascript').send(meta.js.cache);
 }
 
+function sendSourceMap(req, res) {
+	return res.type('application/json').send(meta.js.map);
+}
+
 function sendStylesheet(req, res, next) {
 	res.type('text/css').send(200, meta.css.cache);
 }
 
 module.exports = function(app, middleware, controllers) {
-	minificationEnabled = app.enabled('minification');
-
 	app.get('/stylesheet.css', sendStylesheet);
 	app.get('/nodebb.min.js', sendMinifiedJS);
 	app.get('/sitemap.xml', controllers.sitemap);
 	app.get('/robots.txt', controllers.robots);
+
+	if (!minificationEnabled) {
+		app.get('/nodebb.min.js.map', sendSourceMap);
+	}
 };