Kill webpack-dev-server with babun on windows

.zshrc

# usage: killwebpack [port]
# if no port is supplied then default port is 3000

function killwebpack() {
        PORT=3000
        if [ -n "$1" ]
        then
                PORT=$1
        fi

        PID=`netstat -aon | grep $PORT | grep -P -m1 '(?<=LISTENING).*' -o | grep -P '\d*' -o`

        if [ -z "$PID" ]
        then
                echo "couldn't find a process with port $PORT"
        else
                echo "killing process $PID with port $PORT"
                taskkill /pid $PID /f
        fi
}