Find all javascript source files imported zero or one times.

unimported

suffix="js"
for f in $(rg -lt $suffix . src | xargs basename | sed -e "s/\.$suffix//"); do 
  count=$(rg $f -l | wc -l | xargs ); 
  if [ $(( $count )) -eq 1 ] || [ $(( $count )) -eq 0 ]; then 
    echo "count: $count  file: $f"; 
  fi; 
done