Share target: sharing to cordova app makes the app open but crashes afterwards

Steps to reproduce:
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cordova create shareTargetTest
cd shareTargetTest
cordova platform add https://github.com/apache/cordova-windows

In manifest, add Share Target of type URI, leading to the following XML:

      <Extensions>
        <uap:Extension Category="windows.shareTarget">
          <uap:ShareTarget>
            <uap:DataFormat>URI</uap:DataFormat>
          </uap:ShareTarget>
        </uap:Extension>
      </Extensions>

Run Windows 10 emulator (also crashed on HP Elite X3 device)

Open Edge browser on any page, and share page to HelloCordova app.

The HelloCordova app opens, and after some seconds, the emulator crashes (WWAHost.exe fails with code = -1: don't know how to get more details unfortunatly)

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Expected result:
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I don't know if this has ever been done by anyone on a Cordova app, but I want to share a Edge link to my application. For Android/iOS, this means that the app should open, or resume itself, and call some JS callback.

I tried to follow these Windows8 tutorials that still look relevant for Windows10 app, with no success.
https://msdn.microsoft.com/en-us/library/windows/apps/hh758301.aspx

It seems the "activated" callback never fires (weither it's declared in my app, or in cordova.js, at least I don't see anything in the console logs I've put everywhere).

Can you tell me if I do anything wrong to achieve this usecase? thanks