Merge pull request #15 from explore-node-js/eugene-matvejev-patch-1

convert to ES3 as some users reported ES5/6 problems with react.js | angular.js + uglifyJs

Author: eugene-matvejev

src/byte_flag_calculator.js

@@ -1,13 +1,32 @@
-module.exports = class ByteFlagCalculator {
-    static hasBytes(flags, flag) {
-        return (flags & flag) === flag;
-    }
+function ByteFlagCalculator() {
+}
 
-    static addBytes(flags, flag) {
-        return flags | flag;
-    }
+/**
+ * @param {Number} flags
+ * @param {Number} flag
+ *
+ * @returns {boolean}
+ */
+ByteFlagCalculator.hasBytes = function (flags, flag) {
+    return (flags & flag) === flag;
+}
+/**
+ * @param {Number} flags
+ * @param {Number} flag
+ *
+ * @returns {Number}
+ */
+ByteFlagCalculator.addBytes = function (flags, flag) {
+    return flags | flag;
+}
+/**
+ * @param {Number} flags
+ * @param {Number} flag
+ *
+ * @returns {Number}
+ */
+ByteFlagCalculator.removeBytes = function (flags, flag) {
+    return flags & ~flag;
+}
 
-    static removeBytes(flags, flag) {
-        return flags & ~flag;
-    }
-};
+module.exports = ByteFlagCalculator;