I'm using ngx-build-plus for compile element to js.
class NgElementImpl
Error ERROR TypeError: can't access property "events", this.ngElementStrategy is undefined throw at line 512. And the break point is fired. But the point at line 481 isn't.
Offical repo: https://github.com/angular/elements-builds/blob/12.0.x/esm2015/src/create-custom-element.js#L55