Angular 8.2.14
Build as ssr universal
package.json version
"classlist.js": "1.1.20150312", "core-js": "~3.6.3", "event-source-polyfill": "^1.0.12", "js-polyfills": "^0.1.42", "web-animations-js": "2.3.2", "zone.js": "~0.10.2"
content of polyfill.ts
import 'classlist.js';
import "core-js/stable";
import 'core-js/es/reflect';
import 'event-source-polyfill/src/eventsource.min.js'
import 'js-polyfills/polyfill.min.js'
import 'web-animations-js';
(window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
(window as any).__zone_symbol__UNPATCHED_EVENTS = ['resize'];
import 'zone.js';