fix(core): Handle fetch rejections and pass to makeErrorResult #3131
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Resolves #3128
Summary
We had a missing catch case, where
!responsewasn't handled, which can happen iffetchrejects immediately rather than delivering a failed response. This would happen in particular due to offline network errors or broken connection attempts.This is a regression introduced in the fetch refactor, and was introduced because we don't have two catch handlers anymore, hence
response!was an invalid non-undefined assertion.Set of changes
!responsecase