Concatenation and minification of files to improve performance using Grunt tool.

Gruntfile.js

@@ -5,28 +5,54 @@ module.exports = function(grunt) {
   grunt.loadNpmTasks('grunt-mocha-test');
   grunt.loadNpmTasks('grunt-markdown');
   grunt.loadNpmTasks('grunt-shell');
+  grunt.loadNpmTasks('grunt-contrib-cssmin');
+  grunt.loadNpmTasks('grunt-contrib-concat');
+  grunt.loadNpmTasks('grunt-contrib-uglify');
 
   // Project Configuration
   grunt.initConfig({
     shell: {
-      browserify: {
+      prod: {
+        options: {
+          stdout: false,
+          stderr: false 
+        },
+        command: 'node ./util/build.js'
+      },
+      dev: {
         options: {
           stdout: true,
           stderr: true
         },
-        command: grunt.option('target') === 'dev' ?
-          'node ./util/build.js -d ' : 'node ./util/build.js '
+        command: 'node ./util/build.js -d'
       }
     },
     watch: {
+      options: {
+        dateFormat: function(time) {
+          grunt.log.writeln('The watch finished in ' + time + 'ms at ' + (new Date()).toString());
+          grunt.log.writeln('Waiting for more changes...');
+        },
+      },
       readme: {
         files: ['README.md'],
         tasks: ['markdown']
       },
       scripts: {
-        files: ['*.js', '*/*/*.js', '**/*.js', '*.html', '!**/node_modules/**', '!lib/**js', '!browser/vendor-bundle.js', '!js/copayBundle.js'],
-        tasks: ['shell'],
+        files: [
+          'js/models/**/*.js',
+          '!*.html', 
+          '!**/node_modules/**', 
+          '!lib/**js', 
+          '!browser/vendor-bundle.js', 
+          '!js/copayBundle.js'
+        ],
+        tasks: ['shell']
       },
+      css: {
+        files: ['css/src/*.css'],
+        tasks: ['cssmin']
+      }
     },
     mochaTest: {
       options: {
@@ -43,9 +69,70 @@ module.exports = function(grunt) {
           ext: '.html'
         }]
       }
+    },
+    concat: {
+      vendors: {
+        src: [
+          'lib/moment/min/moment.min.js',
+          'lib/qrcode-generator/js/qrcode.js',
+          'lib/peer.js',
+          'lib/bitcore.js',
+          'lib/crypto-js/rollups/sha256.js',
+          'lib/crypto-js/rollups/pbkdf2.js',
+          'lib/crypto-js/rollups/aes.js',
+          'lib/file-saver/FileSaver.js',
+          'lib/socket.io-client/socket.io.js',
+          'lib/sjcl.js',
+          'lib/ios-imagefile-megapixel/megapix-image.js',
+          'lib/qrcode-decoder-js/lib/qrcode-decoder.min.js'
+        ],
+        dest: 'lib/vendors.js'
+      },
+      angular: {
+        src: [
+          'lib/angular/angular.min.js',
+          'lib/angular-route/angular-route.min.js',
+          'lib/angular-moment/angular-moment.js',
+          'lib/angular-qrcode/qrcode.js',
+          'lib/ng-idle/angular-idle.min.js',
+          'lib/angular-foundation/mm-foundation.min.js',
+          'lib/angular-foundation/mm-foundation-tpls.min.js'
+        ],
+        dest: 'lib/angularjs-all.js'
+      },
+      main: {
+        src: [
+          'js/app.js', 
+          'js/directives.js', 
+          'js/filters.js', 
+          'js/routes.js', 
+          'js/services/*.js', 
+          'js/controllers/*.js'
+        ],
+        dest: 'js/copayMain.js'
+      }
+    },
+    cssmin: {
+      combine: {
+        files: {
+          'css/copay.min.css': ['css/src/*.css'],
+          'css/vendors.min.css': ['css/foundation.min.css', 'css/foundation-icons.css', 'lib/angular/angular-csp.css']
+        }
+      }
+    },
+    uglify: {
+      options: {
+        mangle: false
+      },
+      prod: {
+        files: {
+          'js/copayMain.js': ['js/copayMain.js']
+        }
+      }
     }
   });
 
-  grunt.registerTask('default', ['shell', 'watch']);
+  grunt.registerTask('default', ['shell:dev', 'concat', 'cssmin']);
+  grunt.registerTask('prod', ['shell:prod', 'concat', 'cssmin', 'uglify']);
 
 };