Minification 2

materialsLibrary/gulp-removeShaderComments.js

@@ -0,0 +1,81 @@
+'use strict';
+
+var through = require('through2');
+var PluginError = require('gulp-util').PluginError;
+var singleComment = 1;
+var multiComment = 2;
+
+function uncomment(str, opts) {
+    opts = opts || {};
+
+	var currentChar;
+	var nextChar;
+	var insideString = false;
+	var insideComment = 0;
+	var offset = 0;
+	var ret = '';
+
+    str = str.replace(/\r\n/g, '\n');
+    str = str.replace(/[ \f\t\v]+/g, ' ');
+    str = str.replace(/^\s*\n/gm, '');
+    
+	for (var i = 0; i < str.length; i++) {
+		currentChar = str[i];
+		nextChar = str[i + 1];
+
+		if (!insideComment && currentChar === '"') {
+			var escaped = str[i - 1] === '\\' && str[i - 2] !== '\\';
+			if (!escaped) {
+				insideString = !insideString;
+			}
+		}
+
+		if (insideString) {
+			continue;
+		}
+
+		if (!insideComment && currentChar + nextChar === '//') {
+			ret += str.slice(offset, i);
+			offset = i;
+			insideComment = singleComment;
+			i++;
+		} else if (insideComment === singleComment && currentChar === '\n') {
+			insideComment = 0;
+			offset = i;
+		} else if (!insideComment && currentChar + nextChar === '/*') {
+			ret += str.slice(offset, i);
+			offset = i;
+			insideComment = multiComment;
+			i++;
+			continue;
+		} else if (insideComment === multiComment && currentChar + nextChar === '*/') {
+			i++;
+			insideComment = 0;
+			offset = i + 1;
+			continue;
+		}
+	}
+
+	return ret + (insideComment ? '' : str.substr(offset));
+}
+
+function gulpUncomment(options) {
+    return main(options, uncomment);
+}
+
+function main(options, func) {
+    return through.obj(function (file, enc, cb) {
+        if (file.isNull()) {
+            cb(null, file);
+            return;
+        }
+        if (file.isStream()) {
+            cb(new PluginError("Remove Shader Comments", "Streaming not supported."));
+        }
+        file.contents = new Buffer(func(file.contents.toString(), options));
+        this.push(file);
+        return cb();
+    });
+}
+
+module.exports = gulpUncomment;

materialsLibrary/gulpfile.js

@@ -8,6 +8,7 @@ var cleants = require('gulp-clean-ts-extends');
 var replace = require("gulp-replace");
 var webserver = require('gulp-webserver');
 var uglify = require("gulp-uglify");
+var uncommentShader = require("./gulp-removeShaderComments");
 
 var config = require("./config.json");
 var extendsSearchRegex = /var\s__extends[\s\S]+?\};/g;
@@ -52,7 +53,9 @@ gulp.task('default', ["copyReference"], function () {
                 .pipe(gulp.dest(config.build.dtsOutputDirectory));
         }
         
-        var shader = gulp.src(material.shaderFiles).pipe(srcToVariable("BABYLON.Effect.ShadersStore", true, shadersName));
+        var shader = gulp.src(material.shaderFiles)
+                .pipe(uncommentShader())
+                .pipe(srcToVariable("BABYLON.Effect.ShadersStore", true, shadersName));
 
         return merge2(js, shader)
             .pipe(cleants())