In the deleteUser function, if fetch() or response.json() throw an error, it is swallowed by the catch clause. In this case data value in the then clause of the destroy function is undefined and you can't call data.error.
deleteUser
fetch()
response.json()
catch
data
then
destroy
undefined
data.error
I think your problem is that your api call returns an empty body and response.json() fails on responses with an empty body.
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In the
deleteUserfunction, iffetch()orresponse.json()throw an error, it is swallowed by thecatchclause. In this casedatavalue in thethenclause of thedestroyfunction isundefinedand you can't calldata.error.I think your problem is that your api call returns an empty body and response.json() fails on responses with an empty body.