Can't resolve core-js/es7/array code example
Example: 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';
// Change import in polyfills.ts
import 'core-js/es7/reflect';
// for
import 'core-js/es/reflect';