reacting to route changes in vrwrappercomponent

route_params_subscription.ts

// Each time the route changes take the ID and instantiate the appropriate vr element.
// If the element contains a script-array load them too.
// Check shared/directives/vr-element.directive.ts for more info regarding 
// dynamic instantiation of vr elements.
this.routeSubscription = this.route.params.subscribe((params) => {
  const id = params['id'];
  const mod = _.find(this.availableModules, (m) => m.id === id);
  if (!_.isNil(mod)) {
    this.dynamicComponent = {
      html: mod ? mod.markup : undefined,
      scripts: mod ? mod.scripts : []
    };
    this.changeDetectorRef.markForCheck();
  }
});