Visual Studio Code from zsh on OS X

vsc.zsh

# Visual Studio Code
# https://code.visualstudio.com/Docs/setup
function vsc {
    if [[ $# = 0 ]]
    then
        open -a "Visual Studio Code"
    else
        local argPath="$1"
        [[ $1 = /* ]] && argPath="$1" || argPath="$PWD/${1#./}"
        open -a "Visual Studio Code" "$argPath"
    fi
}