Bug: VirtualScroll escapes NgZone

[ihadeed]

Ionic version: 2.x

I'm submitting a ... bug report

Current behavior:
Opening a page from VirtualScroll causes the child page to escape NgZone.

Steps to reproduce:

• Create a method that pushes a new page, e.g.:

openPage(page) {
  this.navCtrl.push(page);
}

• Call that method from a virtualScroll item

See plunker example here: http://plnkr.co/edit/upZqGYgmYjf0LIJbTeQY?p=preview

[frederikschubert]

Duplicate of #10451

[manucorporat]

can you provide an example that shows something not actually working because of this?

[frederikschubert]

The change detection does not work as expected for components that are created outside the angular zone. Events and changes of properties that are decorated with @Input() do not trigger a change detection cycle anymore. This breaks components that rely on the standard change detection behavior.

[ihadeed]

@manucorporat

The example shows that if you display a child page by clicking on a virtual scroll item, it will not be in Angular zone. Which means that change detection will not function at all.

I haven't looked at the source code of Virtual Scroll, but I'm guessing there's a piece of code there that's causing the click event handler to be invoked outside of Angular zone.

[brandyscarney]

I'm going to close this as a duplicate of #10451 but please feel free to continue the discussion here. Thanks!

[ionitron-bot]

Thanks for the issue! This issue is being locked to prevent comments that are not relevant to the original issue. If this is still an issue with the latest version of Ionic, please create a new issue and ensure the template is fully filled out.