Minify both before and after browserify

grunt/config/browserify.js

@@ -5,6 +5,7 @@
 
 var envify = require('envify/custom');
 var grunt = require('grunt');
+var through = require('through');
 var UglifyJS = require('uglify-js');
 
 var SIMPLE_TEMPLATE =
@@ -32,7 +33,20 @@ var LICENSE_TEMPLATE =
  */';
 
 function minify(src) {
-  return UglifyJS.minify(src, { fromString: true }).code;
+  return UglifyJS.minify(src, {
+    fromString: true,
+    mangle: {toplevel: true}
+  }).code;
+}
+
+function minifyTransform(file) {
+  var src = '';
+  return through(function write(buf) {
+    src += buf;
+  }, function end() {
+    this.queue(minify(src));
+    this.queue(null);
+  });
 }
 
 // TODO: move this out to another build step maybe.
@@ -67,7 +81,7 @@ var basic = {
 var min = grunt.util._.merge({}, basic, {
   outfile: './build/react.min.js',
   debug: false,
-  transforms: [envify({NODE_ENV: 'production'})],
+  transforms: [envify({NODE_ENV: 'production'}), minifyTransform],
   after: [minify, bannerify]
 });
 
@@ -96,7 +110,7 @@ var addons = {
 var addonsMin = grunt.util._.merge({}, addons, {
   outfile: './build/react-with-addons.min.js',
   debug: false,
-  transforms: [envify({NODE_ENV: 'production'})],
+  transforms: [envify({NODE_ENV: 'production'}), minifyTransform],
   after: [minify, bannerify]
 });
 

package.json

@@ -39,29 +39,30 @@
   },
   "devDependencies": {
     "browserify": "~2.36.1",
+    "coverify": "~0.1.1",
     "envify": "~1.0.1",
-    "populist": "~0.1.6",
-    "grunt-cli": "~0.1.9",
+    "es5-shim": "~2.1.0",
     "grunt": "~0.4.1",
+    "grunt-cli": "~0.1.9",
+    "grunt-compare-size": "~0.4.0",
+    "grunt-complexity": "~0.1.3",
+    "grunt-contrib-clean": "~0.5.0",
+    "grunt-contrib-compress": "~0.5.1",
+    "grunt-contrib-connect": "~0.5.0",
     "grunt-contrib-copy": "~0.4.1",
     "grunt-contrib-jshint": "~0.7.2",
+    "gzip-js": "~0.3.2",
+    "jasmine-tapreporter": "~0.2.2",
     "optimist": "~0.6.0",
     "phantomjs": "~1.9",
+    "populist": "~0.1.6",
     "recast": "~0.5.6",
-    "semver": "~2.2.1",
-    "uglify-js": "~2.4.0",
-    "grunt-contrib-clean": "~0.5.0",
-    "grunt-compare-size": "~0.4.0",
-    "gzip-js": "~0.3.2",
-    "tmp": "~0.0.18",
-    "grunt-contrib-compress": "~0.5.1",
-    "jasmine-tapreporter": "~0.2.2",
-    "grunt-contrib-connect": "~0.5.0",
-    "es5-shim": "~2.1.0",
-    "wd": "~0.2.6",
     "sauce-tunnel": "~1.1.0",
-    "coverify": "~0.1.1",
-    "grunt-complexity": "~0.1.3"
+    "semver": "~2.2.1",
+    "through": "~2.3.4",
+    "tmp": "~0.0.18",
+    "uglify-js": "~2.4.0",
+    "wd": "~0.2.6"
   },
   "engines": {
     "node": ">=0.10.0"