Bash prompt including package + version and git branch

.bash_profile

export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm

export NODE_ENV=development

alias l="ls -lisa"
alias gs="grunt serve"
alias gb="grunt build"
alias clone="git clone $1 $2"
alias branch="git branch $1 $2 $3"

gpush() {
    git add . &&
    git commit -m "$1" &&
    git push; 
}

export CLICOLOR=1
export LSCOLORS=GxBxCxDxexegedabagaced
 
parse_git_branch() {
    if [ $(git rev-parse --is-inside-work-tree 2> /dev/null) ]; then
        STR="$(git branch | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1/')"
        
        if [[ ! $( git status --porcelain) ]]; then
            STR+=" ✓)"
        else
            STR+=" *)"
        fi
    fi

    echo -e "$STR"
}
 
get_packagename() {
    echo "$(grep '"name"' ./package.json | grep -o ': ".*"' | cut -d \" -f 2)"
}

get_packageversion() {
    echo "$(grep '"version"' ./package.json | grep -o ': ".*"' | cut -d \" -f 2)"
}

get_nodepackage() {
    STR=""

    if [ -e "./package.json" ]; then
        STR+="\033[1;31m"

        if [ $(get_packagename) ]; then
            STR+=$(get_packagename)
        fi
        
        if [[ $(get_packagename) && $(get_packageversion) ]]; then
            STR+="@"
        fi
        
        if [ $(get_packageversion) ]; then
            STR+=$(get_packageversion)
        fi
        
        STR+=" "
    fi
    
    STR+="\033[0;32m[$(echo "$(node -v)")]"
    
    echo -e $STR
}

export PS1="\$(get_nodepackage)\033[0;33m\$(parse_git_branch) \e[1;34m\w \e[0m$ "