now handling empty files alright and handling errors better. fixes #48

ts/gulpbrowser.browserify.ts

@@ -1,18 +1,36 @@
 /// <reference path="./typings/main.d.ts" />
 import plugins = require("./gulpbrowser.plugins");
+
+
 let browserify =  function() {
-        return plugins.through.obj((file, enc, cb) => { //this is the through object that gets returned by gulpBrowser.browserify();
-            var bundleCallback = function(err, bufferedContent) {
-                if (Buffer.isBuffer(bufferedContent)){
-                    file.contents = bufferedContent;
-                } else {
-                    plugins.beautylog.error("gulp-browser: .browserify() " + err.message);
-                }
-                cb(null,file);
-            };
+    
+    let forEach = function(file, enc, cb){ // do this with every chunk (file in gulp terms)
+           
+        let bundleCallback = function(err, bufferedContent) { // our bundle callback for when browserify is finished
+            if (Buffer.isBuffer(bufferedContent)){
+                file.contents = bufferedContent;
+            } else {
+                plugins.beautylog.error("gulp-browser: .browserify() " + err.message);
+                cb(new Error(err.message),file);
+                return;
+            }
+            cb(null,file);
+        };
+        
+        if(file.contents.length > 0){
             plugins.browserify(file, { basedir: file.base })
-                .bundle(bundleCallback)
-        });
+                .bundle(bundleCallback);
+        } else {
+            plugins.beautylog.warn("gulp-browser: .browserify() file.contents appears to be empty");
+            cb(null,file);
+        };
+    }
+        
+    let atEnd = function(cb){
+        cb();
+    } // no need to clean up after ourselves
+    
+    return plugins.through.obj(forEach,atEnd); // this is the through object that gets returned by gulpBrowser.browserify();
  };
 
 export = browserify;

ts/gulpbrowser.plugins.ts

@@ -1,10 +1,5 @@
 /// <reference path="./typings/main.d.ts" />
-var plugins = {
-    beautylog: require("beautylog"),
-    through: require("through2"),
-    gutil: require("gulp-util"),
-    path: require("path"),
-    browserify: require("browserify")
-};
-
-export = plugins;
+export let beautylog = require("beautylog");
+export let through = require("through2");
+export let path = require("path");
+export let browserify = require("browserify");