fix(@jest/transform): do not attempt instrumenting .json
modules
#14048
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Fixes #13980
Summary
Currently Babel coverage provider is attempting to collect coverage collection from imported
.json
files, because in ESM these are treated as just another modules.This PR is adding a check in
shouldInstrument()
function to exclude.json
files. It is still possible to override this usingforceCoverageMatch
option.Test plan
Unit tests added.