nodeula-rasa

#!/bin/bash -e

# Gives you a total clean slate in your node project.

usage() {
    echo "usage: ${0##*/} [options]" 1>&2
    echo "" 1>&2
    echo "Gives you a total clean slate in your node project." 1>&2
    echo ""
    echo "options:"
    echo " -h or --help shows usage help" 1>&2
    exit 1
}

if echo "$*" | grep -Eq -- '--help\b|-h\b'; then
    usage
fi

show() {
    if [[ $1 == "-r" ]]; then
        shift
        echo -n $'\e[38;5;40m$\e[38;5;63m '
    else
        echo -n $'\e[1;34m>\e[0m\e[31m '
    fi
    echo -n "$@"
    echo -n $'\e[0m'
    echo
}

run() {
    show -r "$@"
    eval "$@"
    return $?
}

clean_test_cache() {
    # Not all test scripts accept a "--clearCache" option, so we can't
    # assume that this will even work, though it may for your project.
    # if npm run | grep -qE "^\s*test$"; then
    #     run "npm run test -- --clearCache"
    # fi

    if ! command -v jq >/dev/null 2>&1 && command -v jest >/dev/null 2>&1; then
        show "warning: you must install jq if you want this script to clear your test cache"
    elif command -v jq >/dev/null 2>&1 && command -v jest >/dev/null 2>&1; then
        run "jest --showConfig | jq '.configs[].cacheDirectory' | sort -u | xargs -n 1 -P 8 rm -rf"
    fi
}

# make sure the user doesn't accidently blow away their changes
echo -n "Blow away $(tput setaf 7)$(tput setab 1)$(tput bold)$(tput smul)all untracked files and local changes in your repository$(tput sgr0) and all node related caches?"
read -rp "$1 (y/n) [n] ... "
if [[ $REPLY != "y" ]]; then
    exit 1
fi

# clear node's require cache
run "node -e 'Object.keys(require.cache).forEach(function(k) { delete require.cache[k]; })'"

if command -v npm >/dev/null 2>&1; then
    # attempt to find and clean any test caches
    clean_test_cache

    # clean global and local npm caches
    export npm_config_loglevel=silent
    run "npm -g cache clean --force"
    run "npm cache clean --force"
    unset npm_config_loglevel
fi

# bable cache
test -e "$HOME/.babel.json" && run "rm -f '$_'"

# node-gyp cache
test -d "$HOME/.node-gyp" && run "rm -rf '$_'"

# project node_modules
test -d node_modules && run "rm -rf '$_'"

# blow away any untracked files or local changes
command -v git >/dev/null 2>&1 && run "git clean -dfx"

if echo "$*" | grep -Eq -- '\b--install\b|\b-i\b'; then
    NPM_VERSION="$(npm --version)"
    NODE_VERSION="$(node --version)"
    show "running \`npm install\` using node: $NODE_VERSION, npm: $NPM_VERSION ..."
    npm install
fi