Can't check if localStorage is null/undefined

[ozgunk]

I am doing:
{{localStorage.values.authToken === null ? 'Login' : 'Logout'}}

The error is: Cannot read properties of undefined (reading 'authToken')

I also tried:

{{localStorage.values.authToken === undefined ? 'Login' : 'Logout'}}

This used to work, now it doesn't.

What am I doing wrong?

[Kenny]

Hi @ozgunk, you should be able to hover your mouse over the variables in a transformer to see what values it's going to give you. Here's an example of this:

It looks like on your end that authToken is not an available variable. Are you able to hover your mouse over authToken.values and see if there's an authToken available?

[Ara]

It looks like on your end that authToken is not an available variable

This is the point of the check; if the authToken is undefined, it should return falsey. Instead the whole evaluation crashes.

Here is a similar check I am trying to make with the same problem.
{{ (localStorage.values.myList && localStorage.values.myList[i]) ? 'REFRESH' : 'GET' }}

[oluebube]

Check this out

Redirect login if localstorage isn't null

Hello! I've created a app to show dashboards, and i created a login page. This login, initialy, have only a userid. I wanna bypass login if localstorage isn't null, if user already passed by page another time. How can i check if localstorage isn't null and redirect util.openApp? Thanks! [CleanShot 2023-09-11 at 15.06.37@2x] [CleanShot 2023-09-11 at 15.11.46@2x]