ng-template-change-detection.ts

@Component({
  selector: 'app-some-component',
  template: `
    <ng-template>
      <p>{{ counter }}</p>
    </ng-template>
  `
})
export class SomeComponent {
  public counter = 0;
}

// Render2

function View_AppComponent_1() {
  return viewDef(
    0,
    [
      elementDef(
        0,
        0,
        null,
        null,
        1,
        'p',
        [],
        null,
        null,
        null,
        null,
        null
      ),
      textDef(1, null, ['', ''])
    ],
    null,
    function(_ck: NodeCheckFn, _v: ViewData) {
      const _co = _v.component;
      const currVal_0 = _co.counter;
      _ck(_v, 1, 0, currVal_0);
    }
  );
}

// Ivy

function SomeComponent_ng_template_0_Template(rf: RenderFlags, ctx: any) {
  if (rf & RenderFlags.Create) {
    elementStart(0, 'p');
    text(1);
    elementEnd();
  }
  if (rf & RenderFlags.Update) {
    const instance = nextContext();
    textBinding(1, interpolation1('', instance.counter, ''));
  }
}