paths.zshrc

# Path configuration
paths=(
    /usr/local/share/npm/bin
    /usr/local/heroku/bin
    "$HOME/.node/bin"
    "$HOME/.rvm/bin"
    
    /usr/local/sbin
    /usr/local/bin

    /usr/bin
    /usr/sbin
    /bin
    /sbin

    # other things, etc, etc...
)

OLD_IFS="$IFS"
export IFS=":"
PATH="${paths[*]}"
export IFS="$OLD_IFS"