Fix crash if app is undefined

[crimx]

Safely check existent of app

[phoneticallySAARTHaK]

undefined is a falsy value, so it wouldn't execute the true branch (app.showPage())

[crimx]

undefined is a falsy value, so it wouldn't execute the true branch (app.showPage())

Not app has undefined value. app is not defined. Referencing an undefined(not defined) throws an Uncaught ReferenceError: app is not defined error.

[Gerrit0]

Thanks!

[phoneticallySAARTHaK]

undefined is a falsy value, so it wouldn't execute the true branch (app.showPage())

Not app has undefined value. app is not defined. Referencing an undefined(not defined) throws an Uncaught ReferenceError: app is not defined error.

I learn more of JS everyday

[zaysayd]

***@***.*** در تاریخ شنبه ۱۵ مارس ۲۰۲۵،‏ ۱۷:۴۶ sarthak ***@***.***> نوشت:

…

undefined is a falsy value, so it wouldn't execute the true branch ( app.showPage()) Not app has undefined value. app is not defined. Referencing an undefined(not defined) throws an Uncaught ReferenceError: app is not defined error. I learn more of JS everyday — Reply to this email directly, view it on GitHub <#2894 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/BN7VBOA3XVAS47FCFWILIAD2UQY5PAVCNFSM6AAAAABY2NIKYKVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDOMRWGU4DIMBRGY> . You are receiving this because you are subscribed to this thread.Message ID: ***@***.***> [image: phoneticallySAARTHaK]*phoneticallySAARTHaK* left a comment (TypeStrong/typedoc#2894) <#2894 (comment)> undefined is a falsy value, so it wouldn't execute the true branch ( app.showPage()) Not app has undefined value. app is not defined. Referencing an undefined(not defined) throws an Uncaught ReferenceError: app is not defined error. I learn more of JS everyday — Reply to this email directly, view it on GitHub <#2894 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/BN7VBOA3XVAS47FCFWILIAD2UQY5PAVCNFSM6AAAAABY2NIKYKVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDOMRWGU4DIMBRGY> . You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>