Extracting sourcemap from compiled JS file

gulpfile.js

@@ -57,7 +57,9 @@ gulp.task('compass', function() {
 gulp.task('browserify', function() {
   var browserify = require('browserify'),
       es6ify = require('es6ify'),
-      tap = require('gulp-tap');
+      exorcist = require('exorcist'),
+      tap = require('gulp-tap'),
+      transform = require('vinyl-transform');
 
   return gulp.src('./src/js/main.js', { read: false })
     .pipe(errorHandler())
@@ -70,6 +72,9 @@ gulp.task('browserify', function() {
 
       file.contents = bundler.bundle();
     }))
+    .pipe(transform(function() {
+      return exorcist('./build/js/main.js.map');
+    }))
     .pipe(gulp.dest('./build/js'));
 });
 

package.json

@@ -13,6 +13,7 @@
     "browserify": "^6.3.2",
     "canopy": "^0.2.0",
     "es6ify": "^1.5.1",
+    "exorcist": "^0.1.6",
     "gulp": "^3.8.10",
     "gulp-compass": "^2.0.3",
     "gulp-connect": "^2.2.0",
@@ -27,6 +28,7 @@
     "karma-notify-reporter": "^0.1.1",
     "karma-phantomjs-launcher": "^0.1.4",
     "lodash": "^2.4.1",
-    "through": "^2.3.6"
+    "through": "^2.3.6",
+    "vinyl-transform": "^1.0.0"
   }
 }