Fixed uglifying for asm-code. Added dist-task for building distribution-files

Gruntfile.js

@@ -10,7 +10,8 @@ module.exports = function(grunt) {
         },
         uglify : {
             options : {
-                banner : '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n'
+                banner : '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n',
+                preserveComments: 'some'
             },
             build : {
                 src : 'dist/<%= pkg.name %>.js',
@@ -62,13 +63,18 @@ module.exports = function(grunt) {
     });
 
     // Load the plugin that provides the "uglify" task.
-    grunt.loadNpmTasks('grunt-contrib-uglify');
     grunt.loadNpmTasks('grunt-contrib-jshint');
+    grunt.loadNpmTasks('grunt-contrib-uglify');
 
     grunt.loadNpmTasks('grunt-requirejs');
     grunt.loadNpmTasks('grunt-karma');
-    // Default task(s).
+
-    grunt.registerTask('default', ['jshint', 'requirejs']);
+    grunt.loadTasks('tasks');
+
+    grunt.registerTask('build', ['check', 'requirejs']);
+    grunt.registerTask('check', ['jshint']);
+    grunt.registerTask('dist', ['build', 'uglify', 'uglyasm']);
     grunt.registerTask('test', ['karma']);
 
+    grunt.registerTask('default', ['build']);
 }; 

dist/quagga.js

@@ -3682,27 +3682,6 @@ define("glMatrix", ["typedefs"], (function (global) {
     };
 }(this)));
 
-/*
-<augmentedJS: A javascript library for natural feature tracking>
-Copyright (C) 2011 
- - Christoph Oberhofer (ar.oberhofer@gmail.com)
- - Jens Grubert (jg@jensgrubert.de)
- - Gerhard Reitmayr (reitmayr@icg.tugraz.at)
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-
 /*
  * glMatrixAddon.js
  * Extension to the glMatrix library. The original glMatrix library
@@ -5487,6 +5466,7 @@ define('rasterizer',["tracer"], function(Tracer) {
 define('skeletonizer',[],function() {
     
 
+    /* @preserve ASM BEGIN */
     function Skeletonizer(stdlib, foreign, buffer) {
         "use asm";
 
@@ -5680,6 +5660,7 @@ define('skeletonizer',[],function() {
             skeletonize : skeletonize
         };
     }
+    /* @preserve ASM END */
 
     return Skeletonizer;
 });
@@ -7044,7 +7025,6 @@ define('config',[],function(){
       controls: false,
       locate: true,
       numOfWorkers: 4,
-      scriptName: 'quagga.js',
       visual: {
         show: true
       },

example/live_w_locator.html

@@ -50,7 +50,7 @@
       </footer>
     
     <script src="../src/vendor/jquery-1.9.0.min.js" type="text/javascript"></script>
-    <script src="../dist/quagga.js" type="text/javascript"></script>
+    <script src="../dist/quagga.min.js" type="text/javascript"></script>
     <script src="live_w_locator.js" type="text/javascript"></script>
   </body>
 </html>

example/static_images.html

@@ -51,7 +51,7 @@
         </p>
       </footer>
     <script src="../src/vendor/jquery-1.9.0.min.js" type="text/javascript"></script>
-    <script src="../dist/quagga.js" type="text/javascript"></script>
+    <script src="../dist/quagga.min.js" type="text/javascript"></script>
     <script src="static_images.js" type="text/javascript"></script>
   </body>
 </html>

src/config.js

@@ -17,7 +17,6 @@ define(function(){
       controls: false,
       locate: true,
       numOfWorkers: 4,
-      scriptName: 'quagga.js',
       visual: {
         show: true
       },

src/glMatrixAddon.js

@@ -1,24 +1,3 @@
-/*
-<augmentedJS: A javascript library for natural feature tracking>
-Copyright (C) 2011 
- - Christoph Oberhofer (ar.oberhofer@gmail.com)
- - Jens Grubert (jg@jensgrubert.de)
- - Gerhard Reitmayr (reitmayr@icg.tugraz.at)
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-
 /*
  * glMatrixAddon.js
  * Extension to the glMatrix library. The original glMatrix library

src/skeletonizer.js

@@ -4,6 +4,7 @@
 define(function() {
     "use strict";
 
+    /* @preserve ASM BEGIN */
     function Skeletonizer(stdlib, foreign, buffer) {
         "use asm";
 
@@ -197,6 +198,7 @@ define(function() {
             skeletonize : skeletonize
         };
     }
+    /* @preserve ASM END */
 
     return Skeletonizer;
 });

tasks/uglyasm.js

@@ -0,0 +1,56 @@
+/**
+ * Idea taken from https://github.com/fpirsch/twin-bcrypt/blob/master/Gearfile.js
+*/
+
+'use strict';
+
+var fs = require('fs');
+
+module.exports = function(grunt) {
+    grunt.registerTask('uglyasm', function() {
+        var code = fs.readFileSync('dist/quagga.js', 'utf-8'),
+            minifiedCode = fs.readFileSync('dist/quagga.min.js', 'utf-8'),
+            commentEnd = '/* @preserve ASM END */',
+            asmStartIdx = code.indexOf('/* @preserve ASM BEGIN */'),
+            asmEndIdx = code.indexOf(commentEnd),
+            asmCode = code.substring(asmStartIdx, asmEndIdx + commentEnd.length),
+            asmFunctionRegex = /function (\w+)\(\w+,\s*\w+,\s*\w+\)\s*\{\s*"use asm";/,
+            asmModule,
+            asmModuleName,
+            asmCodeMinified,
+            asmMinifiedModuleName;
+
+        asmCodeMinified = asmCode
+            .replace(/\s*\/\/.*/g, '') // remove single-line comments
+            .replace(/\s*\/\*[^]*?\*\//g, '') // remove multi-line comments
+            .replace(/\n\s*/g, '') // remove indentation
+            .replace(/ ([+=^|&]|>+|<+) /g, '$1') // remove spaces around operators
+            .replace(/[\r\n/]/g, ''); // remove new lines
+
+        grunt.log.debug(asmCodeMinified);
+
+        asmModule = asmCode.match(asmFunctionRegex);
+        if (!asmModule) {
+            grunt.log.error("No ASM module found");
+            return;
+        }
+
+        asmModuleName = asmModule[1];
+        grunt.log.debug(asmModuleName);
+
+        asmModule = minifiedCode.match(asmFunctionRegex);
+        if (!asmModule) {
+            grunt.log.error("No ASM module found in minified file");
+            return;
+        }
+
+        asmMinifiedModuleName = asmModule[1];
+        grunt.log.debug(asmMinifiedModuleName);
+
+        asmCodeMinified = asmCodeMinified.replace(asmModuleName, asmMinifiedModuleName);
+
+        minifiedCode = minifiedCode.replace(/\/\* @preserve ASM BEGIN \*\/[^]*?\/\* @preserve ASM END \*\//, asmCodeMinified);
+        fs.writeFileSync('dist/quagga.min.js', minifiedCode);
+        grunt.log.ok('dist/quagga.min.js written');
+    });
+};