enable es6 export

konva.js

@@ -1,7 +1,8 @@
-(function (factory) {
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
   typeof define === 'function' && define.amd ? define(factory) :
-  factory();
-}(function () { 'use strict';
+  (global = global || self, global.Konva = factory());
+}(this, function () { 'use strict';
 
   /*
    * Konva JavaScript Framework v3.1.4
@@ -17091,10 +17092,6 @@
     _registerNode: _registerNode
   });
 
-  // add Konva to global variable
-  // umd build will actually do it
-  // but it may now it case of modules and bundlers
-  _injectGlobal(Konva);
-  module.exports = Konva;
+  return Konva;
 
 }));

rollup.config.js

@@ -5,7 +5,7 @@ import typescript from 'rollup-plugin-typescript2';
 const pkg = require('./package.json');
 
 export default {
-  input: `src/index.ts`,
+  input: `src/_UMD.ts`,
   output: [
     {
       file: 'konva.js',

src/Core.ts

@@ -1,8 +1,11 @@
-import * as Konva from './_CoreInternals';
+const KonvaInternals = require('./_CoreInternals');
 
 // add Konva to global variable
 // umd build will actually do it
 // but it may now it case of modules and bundlers
-Konva._injectGlobal(Konva);
+KonvaInternals._injectGlobal(KonvaInternals);
 
-module.exports = Konva;
+exports.__esModule = true;
+exports['default'] = KonvaInternals;
+
+module.exports = exports['default'];

src/_UMD.ts

@@ -0,0 +1,3 @@
+import * as Konva from './_FullInternals';
+
+export default Konva;

src/index.ts

@@ -1,8 +1,11 @@
-import * as Konva from './_FullInternals';
+const Konva = require('./_FullInternals');
 
 // add Konva to global variable
 // umd build will actually do it
 // but it may now it case of modules and bundlers
 Konva._injectGlobal(Konva);
 
-module.exports = Konva;
+exports.__esModule = true;
+exports['default'] = Konva;
+
+module.exports = exports['default'];

tsconfig.json

@@ -5,7 +5,6 @@
     "target": "es5",
     "noEmitOnError": true,
     "lib": ["es2015", "dom"]
-    // "strict": true
   },
-  "include": ["src/index.ts", "src/Core.ts"]
+  "include": ["./src/*.ts"]
 }