Here’s some pieces of React code that work (showLinks) and do not work (showAdminLinks).
However the UI does not have the output and it does not throw an error either in compilation or in the console. hmmm
So it seems quite a mystery.
Can you spot the issue?
Answer: It is the use of the wrapping { and } instead of ( and ) on lines 25 and 29
This has caught me a few times. There are a number of formats that can be used here, including, but not limited to {(...)}, (...), return (...), return ({...}), etc.
This variety of formats can make it difficulty for you and/or your IDE to spot the issue shown here.
Not seeing any error makes it sometimes hard to realize what the issue is.
There are a few React gotchas like this. This is listed as ‘number #1’ but this is not intended to indicate it is the “primary” react issue like this, just that it is the first of several React gotchas I am documenting for others… and my future self. This one has caught me a few times.
TechTimes 