npm and error messages

node_modules/core-js/modules/_object-to-array.js

@@ -0,0 +1,16 @@
+var getKeys = require('./_object-keys');
+var toIObject = require('./_to-iobject');
+var isEnum = require('./_object-pie').f;
+module.exports = function (isEntries) {
+  return function (it) {
+    var O = toIObject(it);
+    var keys = getKeys(O);
+    var length = keys.length;
+    var i = 0;
+    var result = [];
+    var key;
+    while (length > i) if (isEnum.call(O, key = keys[i++])) {
+      result.push(isEntries ? [key, O[key]] : O[key]);
+    } return result;
+  };
+};