Bash Shell Script Run multiple process with features that re-starts process when single process failed

run_multiple_process_with_features_restart_process_when_single_process_failed.bash

#!/bin/bash
JOBS=()

run_jobs() {
  $@ &
  JOBS+=($!)
}

while true;
do

  if [ ! -z "${JOBS[@]}" ]; then
    echo "${JOBS[@]}" | xargs -r kill -9
    echo "--------------------------------------"
    echo -e "\n\n\n\n\nProcess (Re)start\n\n\n\n"
    echo "--------------------------------------"
  fi

  JOBS=()

  cd /home/kerus1024/datamerge/
  run_jobs node app.js

  cd /home/kerus1024/crawler
  run_jobs node app.js a
  run_jobs node app.js b
  run_jobs node app.js c

  wait -n ${JOBS[@]}
  sleep 5

done