Configring node js.

node_modules/core-js/library/modules/es7.array.includes.js

@@ -0,0 +1,12 @@
+'use strict';
+// https://github.com/tc39/Array.prototype.includes
+var $export   = require('./_export')
+  , $includes = require('./_array-includes')(true);
+
+$export($export.P, 'Array', {
+  includes: function includes(el /*, fromIndex = 0 */){
+    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+require('./_add-to-unscopables')('includes');