fixed module export

dist/index.js

@@ -27,4 +27,4 @@ JavaScriptObfuscator.defaultOptions = {
 JavaScriptObfuscator.escodegenParams = {
     verbatim: 'x-verbatim-property'
 };
-exports.JavaScriptObfuscator = JavaScriptObfuscator;
+module.exports = JavaScriptObfuscator;

dist/tests/dev-test.js

@@ -1,6 +1,6 @@
 "use strict";
-const index_1 = require("../index");
-let obfuscatedCode = index_1.JavaScriptObfuscator.obfuscate(`
+const JavaScriptObfuscator = require("../index");
+let obfuscatedCode = JavaScriptObfuscator.obfuscate(`
     (function(){
         var result = 1,
             term1 = 0,

index.ts

@@ -7,7 +7,7 @@ import { IProgramNode } from './src/interfaces/nodes/IProgramNode';
 
 import { Obfuscator } from './src/Obfuscator';
 
-export class JavaScriptObfuscator {
+class JavaScriptObfuscator {
     /**
      * @type any
      */
@@ -55,3 +55,5 @@ export class JavaScriptObfuscator {
         return escodegen.generate(astTree, escodegenParams);
     }
 }
+
+module.exports = JavaScriptObfuscator;

tests/dev-test.ts

@@ -1,4 +1,4 @@
-import { JavaScriptObfuscator } from "../index";
+import * as JavaScriptObfuscator from "../index";
 
 let obfuscatedCode: string = JavaScriptObfuscator.obfuscate(
     `