Module not found: Error: Can't resolve 'core-js/es6/reflect' code example

Example 1: Module not found: Error: Can't resolve 'core-js/modules/es6.object.create

solution install core-js@2.6.5

Example 2: Module not found: Error: Can't resolve 'core-js/es7/reflect'

// Change import in polyfills.ts
import 'core-js/es7/reflect';
// for
import 'core-js/es/reflect';

Example 3: Module not found: Error: Can't resolve 'core-js/modules/es6.object.create

// solution install [email protected]
// create babel.config.js
// copy this in babel config.js
// and load babel.config.js in entry point

require('@babel/register')({
	extends: './.babelrc',
	ignore: [/node_modules/],
	extensions: ['.js', '.jsx', 'ts', '.tsx'],
});

require('core-js/es5');
require('core-js/es6');
require('core-js/library');
require('core-js/stage/0');
require('regenerator-runtime/runtime');

Example 4: Module not found: Error: Can't resolve 'core-js/client/shim'

import 'core-js/es/symbol'