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Is possible to cancel router navigation using promise ?

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John
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John asked on 09 Feb 2017, 09:52 AM

documentation for router change event says that navigation can be canceled with preventDefault

but i want to ask user before leaving current view if is ok to leave unsaved changes.

can be done using promises ?

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Boyan Dimitrov
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answered on 13 Feb 2017, 07:57 AM

Hello,

I am afraid that the change event of the router does not offer promises. A possible solution for your case would be to cancel with preventDefault method and navigates (using the navigate method) if needed. 

Regards,
Boyan Dimitrov
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John
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answered on 13 Feb 2017, 08:21 AM

I allready use this solution. ( allways preventDefault and navigate if resolved ) and works fine.

Just wondering if there is an official support.

 

thanks

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