toggleAllowUnusedLocals.sh

#!/bin/bash 

isInFile=$(cat tsconfig.json | grep -c "\"noUnusedLocals\": true,")

if [ $isInFile -eq 1 ]; then
   #toggle Off
   echo 'changing to allow unusedLocals'
   sed -i '' 's/"noUnusedLocals": true,/"noUnusedLocals": false,/' tsconfig.json 
else
  #toggle On
   echo 'changing to prevent unusedLocals'
   sed -i '' 's/"noUnusedLocals": false,/"noUnusedLocals": true,/' tsconfig.json 
fi