allow running app directly

lib/index.js

@@ -24,7 +24,7 @@ function NwBuilder(options) {
         buildDir: './build',
         cacheDir: './cache',
         downloadUrl: 'https://s3.amazonaws.com/node-webkit/',
-        buildType: 'default', // timestamped
+        buildType: 'default', // not timestamped
         forceDownload: false,
         checkVersions: true,
         macCredits: false,
@@ -105,6 +105,33 @@ NwBuilder.prototype.build = function (callback) {
     return hasCallback ? true : done.promise;
 };
 
+NwBuilder.prototype.run = function (callback) {
+    var hasCallback = (typeof callback === 'function'),
+        done = Promise.defer();
+
+    // Run the node Webkit app directly
+    this.checkFiles().bind(this)
+        .then(this.checkVersions)
+        .then(this.downloadNodeWebkit) // Todo: only download node-webkit for the current plattform
+        .then(this.runApp)
+        .then(function (info) {
+            if(hasCallback) {
+                callback(false, info);
+            } else {
+                done.resolve(info);
+            }
+        })
+        .catch(function (error) {
+            if(hasCallback) {
+                callback(true, error);
+            } else {
+                done.reject(error);
+            }
+        });
+
+    return hasCallback ? true : done.promise;
+};
+
 NwBuilder.prototype.checkFiles = function () {
     var self = this;
 
@@ -113,7 +140,7 @@ NwBuilder.prototype.checkFiles = function () {
         self._appPkg = data.json;
         self._files = data.files;
 
-        if(!self.options.appName || self.options.appVersion) {
+        if(!self.options.appName || !self.options.appVersion) {
             return Utils.getPackageInfo(self._appPkg).then(function (appPkg) {
                self._appPkg = appPkg;
                self.options.appName = appPkg.name;
@@ -143,7 +170,7 @@ NwBuilder.prototype.checkVersions = function (versions) {
         }
 
         // log something
-        self.emit('log', 'Using v' + self._version.version);
+        self.emit('log', 'Using node-webkit v' + self._version.version);
 
         return self._version;
     });
@@ -303,3 +330,40 @@ NwBuilder.prototype.handleMacApp = function () {
     return Promise.all(allDone);
 
 };
+
+NwBuilder.prototype.runApp = function () {
+    var self = this;
+
+    var plattform = {
+        'darwin': 'osx',
+        'freebsd': 'linux32', //64?
+        'linux': 'linux32', //64?
+        'sunos': 'linux32', //64?
+        'win32': 'win'
+    }[process.platform];
+
+    var single_plattform = _.findWhere(self._plattforms, {'plattform':plattform});
+    var executable = single_plattform.files[0];
+    var executable_path = path.resolve(single_plattform.cache, executable)
+
+    var spawn = require('child_process').spawn;
+
+    self.emit('log', 'Launching App');
+
+    return new Promise(function(resolve, reject) {
+        var p = spawn(executable_path, [self.options.files.replace(/\*[\/\*]*/,"")]);
+
+        p.stdout.on('data', function(data) {
+            self.emit('stdout', data);
+        });
+
+        p.stderr.on('data', function(data) {
+            self.emit('stderr', data);
+        });
+
+        p.on('close', function(code) {
+            self.emit('log', 'App exited with code ' + code);
+            resolve();
+        });
+    });
+};