feature: Manage multiple babel-polyfill imports

relate babel/babel#4019
safesit23 · Jan 6, 2017 · 93ed333 · 93ed333
1 parent ff9fc21
commit 93ed333
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Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/build/index.js b/build/index.js
@@ -28,14 +28,16 @@ var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
 
 var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
 
-require('babel-polyfill');
-
 var _data = require('./data');
 
 var _data2 = _interopRequireDefault(_data);
 
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
+if (typeof window !== 'undefined' && !window._babelPolyfill || typeof global !== 'undefined' && !global._babelPolyfill) {
+  require('babel-polyfill');
+}
+
 var ISO6391 = function ISO6391() {
   (0, _classCallCheck3.default)(this, ISO6391);
 };

diff --git a/src/index.js b/src/index.js
@@ -1,6 +1,10 @@
-import 'babel-polyfill';
 import LANGUAGES_LIST from './data';
 
+if((typeof window !== 'undefined' && !window._babelPolyfill) || 
+  (typeof global !== 'undefined' && !global._babelPolyfill)) {
+  require('babel-polyfill')
+}
+
 export default class ISO6391 {
   static getLanguages = (codes = []) => (
     Object.entries(LANGUAGES_LIST)