added regex filtering support

lib/factory.js

@@ -29,6 +29,40 @@ var assemblerConstructors = {
 			});
 		};
 	},
+	readFileRegex : function(regexData) {
+		if (regexData === undefined) {
+			// Simple regex which cleans most stuff from js and css.
+			regexData = {
+					'(\\s\\\|\\|\\s)': '||',    // clean bit-or space
+					'(\\s\\\&\\&\\s)': '&&',    // clean bit-and space
+					'(if\\s\\(\\s)':   'if(',   // clean if space
+					'(for\\s\\(\\s)':  'for(',  // clean for space
+					'(\\s*{\\s*)':     '{',     // clean bracket open
+					'(^\\s*}\\s*)':    '}\n',   // clean bracket close
+					'(^\\s+)':         '',                       // clean up white space
+					'(\\{[\\s\\/]+\\/.*)': '{',                  // rm comment on functions
+					'(^|\\s\\/\\/.*)': '',                       // rm comment lines
+					'(\\/\\*[\\s\\*\\!][\\s\\S]*?\\*\\/)': '',   // rm comment blocks
+			};
+		}
+		return function(file, callback) {
+			fs.readFile(file, function(err, data) {
+				if (err) {
+					callback(err);
+				} else {
+					data = ''+data;
+					var regexList = Object.keys(regexData);
+					for (var i = 0; i < regexList.length; i++) {
+						var regex = new RegExp(regexList[i],'gm');
+						var regexReplace = regexData[regexList[i]];
+						//console.log('regex: \''+regex+'\' replace: \''+regexReplace+'\'');
+						data = data.replace(regex,regexReplace);
+					}
+					callback(null, data);
+				}
+			});
+		};
+	},
 };
 
 var assemblerEventLog = {