fix babel polyfill for thirdparties transcranial#109

Author: sinan

demos/src/demos.js

@@ -0,0 +1,18 @@
+import Vue from 'vue'
+import Vuetify from 'vuetify'
+import App from './App'
+import router from './router'
+import 'vuetify/dist/vuetify.min.css'
+
+Vue.use(Vuetify, {
+  theme: {
+    primary: '#1bbc9b',
+    secondary: '#69707a',
+    accent: '#f5d76e',
+    error: '#d24d57'
+  }
+})
+
+const app = new Vue(Object.assign({ router }, App))
+
+app.$mount('#root')

demos/src/index.js

@@ -1,19 +1,4 @@
-import '@babel/polyfill'
-import Vue from 'vue'
-import Vuetify from 'vuetify'
-import App from './App'
-import router from './router'
-import 'vuetify/dist/vuetify.min.css'
-
-Vue.use(Vuetify, {
-  theme: {
-    primary: '#1bbc9b',
-    secondary: '#69707a',
-    accent: '#f5d76e',
-    error: '#d24d57'
-  }
-})
-
-const app = new Vue(Object.assign({ router }, App))
-
-app.$mount('#root')
+if (!global._babelPolyfill) {
+  require('@babel/polyfill')
+}
+import './demos'

src/index.js

@@ -1,14 +1,4 @@
-import '@babel/polyfill'
-import Model from './Model'
-import Tensor from './Tensor'
-import { webgl2 } from './WebGL2'
-import * as activations from './activations'
-import * as layers from './layers'
-import * as testUtils from './utils/testUtils'
-
-const GPU_SUPPORT = webgl2.isSupported
-
-export { Model, Tensor, GPU_SUPPORT, activations, layers, testUtils }
-
-const KerasJS = { Model, Tensor, GPU_SUPPORT, activations, layers, testUtils }
-export { KerasJS as default }
+if (!global._babelPolyfill) {
+  require('@babel/polyfill')
+}
+import './keras'

src/keras.js

@@ -0,0 +1,13 @@
+import Model from './Model'
+import Tensor from './Tensor'
+import { webgl2 } from './WebGL2'
+import * as activations from './activations'
+import * as layers from './layers'
+import * as testUtils from './utils/testUtils'
+
+const GPU_SUPPORT = webgl2.isSupported
+
+export { Model, Tensor, GPU_SUPPORT, activations, layers, testUtils }
+
+const KerasJS = { Model, Tensor, GPU_SUPPORT, activations, layers, testUtils }
+export { KerasJS as default }