babel-preset-test-bundled-dependencies/node_modules/core-js/modules/_iobject.js

Allow custom config for create-react-app without ejecting

// fallback for non-array-like ES3 and non-enumerable old V8 strings
var cof = require('./_cof');
module.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){
  return cof(it) == 'String' ? it.split('') : Object(it);
};