feat: new option to turn gallery generation off

Author: mojoaxel

lib/wraith.js

@@ -51,6 +51,7 @@ Wraith.prototype.config = function(config) {
 	self.sizes          = [];
 	self.dirs           = [];
 	self.quiet          = config.quiet || false;
+	self.gallery        = config.hasOwnProperty('gallery') ? config.gallery : true;
 	self.server         = {};
 	self.server.start   = config.server.start || false;
 	self.server.port    = config.server.port || 9090;
@@ -293,13 +294,26 @@ Wraith.prototype.compareScreenshots = function() {
 			return self;
 		} else {
 			log.success('Image comparison done');
-			self.generateGallery();
+			if (self.gallery || self.server.start) {
+				self.generateGallery();
+			} else {
+				helpers.emptyFolder(self.outputFolder, function() {
+					self.cb();
+				});
+			}
 			return self;
 		}
 	});
 };
 
 Wraith.prototype.generateGallery = function() {
 	var self = this;
-	gallery.generate(self.dirs, self.compareQueue, self.outputFolder, self.config.project, self.server, self.cb);
+	gallery.generate(
+		self.dirs,
+		self.compareQueue,
+		self.outputFolder,
+		self.config.project,
+		self.server,
+		self.cb
+	);
 };