closed #1910

minifier.js

@@ -34,43 +34,19 @@ Minifier.js.minify = function (scripts, minify, callback) {
 			map: minified.map
 		});
 	} catch(err) {
-		process.send({
-			action: 'error',
-			error: {
-				message: err.message
-			}
-		});
+		process.send(err.message);
 	}
 };
 
-// Minifier.js.concatenate = function(scripts, callback) {
-// 	async.map(scripts, function(path, next) {
-// 		fs.readFile(path, { encoding: 'utf-8' }, next);
-// 	}, function(err, contents) {
-// 		if (err) {
-// 			process.send({
-// 				action: 'error',
-// 				error: err
-// 			});
-// 		} else {
-// 			callback(contents.reduce(function(output, src) {
-// 				return output.length ? output + ';\n' + src : src;
-// 			}, ''));
-// 		}
-// 	});
-// };
-
 process.on('message', function(payload) {
-	var	executeCallback = function(data) {
-			process.send({
-				action: payload.action,
-				data: data
-			});
-		};
-
 	switch(payload.action) {
 	case 'js':
-		Minifier.js.minify(payload.scripts, payload.minify, executeCallback);
+		Minifier.js.minify(payload.scripts, payload.minify, function(data) {
+			process.stdout.write(data.js);
+			process.send('end.script');
+			process.stderr.write(data.map);
+			process.send('end.mapping');
+		});
 		break;
 	}
-});
+});

src/meta/js.js

@@ -14,7 +14,8 @@ var winston = require('winston'),
 module.exports = function(Meta) {
 
 	Meta.js = {
-		cache: undefined,
+		cache: '',
+		map: '',
 		prepared: false,
 		minFile: 'nodebb.min.js',
 		scripts: [
@@ -136,20 +137,45 @@ module.exports = function(Meta) {
 	};
 
 	Meta.js.minify = function(minify) {
-		var minifier = Meta.js.minifierProc = fork('minifier.js');
+		var minifier = Meta.js.minifierProc = fork('minifier.js', {
+				silent: true
+			}),
+			minifiedStream = minifier.stdio[1],
+			mapStream = minifier.stdio[2],
+			step = 0,
+			onComplete = function() {
+				if (step === 0) {
+					return step++;
+				}
 
-		minifier.on('message', function(payload) {
-			if (payload.action !== 'error') {
 				winston.info('[meta/js] Compilation complete');
-				Meta.js.cache = payload.data.js;
-				Meta.js.map = payload.data.map;
+				emitter.emit('meta:js.compiled');
 				minifier.kill();
+			};
 
-				emitter.emit('meta:js.compiled');
-			} else {
-				winston.error('[meta/js] Could not compile client-side scripts! ' + payload.error.message);
+		minifiedStream.on('data', function(buffer) {
+			Meta.js.cache += buffer.toString();
+		});
+		mapStream.on('data', function(buffer) {
+			Meta.js.map += buffer.toString();
+		});
+
+		minifier.on('message', function(payload) {
+			switch(payload) {
+			case 'end.script':
+				winston.info('[meta/js] Successfully minified.');
+				onComplete();
+				break;
+			case 'end.mapping':
+				winston.info('[meta/js] Retrieved Mapping.');
+				onComplete();
+				break;
+
+			default:
+				winston.error('[meta/js] Could not compile client-side scripts! ' + payload);
 				minifier.kill();
 				process.exit();
+				break;
 			}
 		});
 
@@ -169,11 +195,4 @@ module.exports = function(Meta) {
 			Meta.js.minifierProc.kill('SIGTERM');
 		}
 	};
-
-	// OS detection and handling
-	// if (os.platform() === 'win32') {
-	// 	Meta.js.scripts = Meta.js.scripts.map(function(script) {
-	// 		return script.replace(/\//g, '\\');
-	// 	});
-	// }
 };