THE MULTI-PURPOSE NPM TROUBLESHOOTING SCRIPT

npm-troubleshooter

#!/bin/bash

# THE MULTI-PURPOSE NPM TROUBLESHOOTING SCRIPT
# Guaranteed to fix any and every problem with your npm install!**
#
# © ️Ian Young 2016
#
# Usage:
# Simply run the script, passing as arguments the command that is failing.
# Come back in 1-45 minutes to a totally fixed npm install.
#
# Examples:
#
# $ npm-troubleshooter npm install
#
# $ npm-troubleshooter grunt build

NPM_COMMANDS[0]='npm install'
NPM_COMMANDS[1]='rm -rf ./node_modules'
NPM_COMMANDS[2]='npm shrinkwrap'
NPM_COMMANDS[3]='rm npm-shrinkwrap.json'
NPM_COMMANDS[4]='npm rebuild'
NPM_COMMANDS[5]='npm prune'

test_command=$@

last_return=1
while [ "$last_return" -ne "0" ]; do
  len="${#NPM_COMMANDS[@]}"
  rand=$(( RANDOM % len ))
  echo "Running \`${NPM_COMMANDS[$rand]}\`…"
  ${NPM_COMMANDS[$rand]}
  echo "Testing for success…"
  $test_command
  last_return=$?
done
echo "Success! Your npm is fixed. Until next time, my friend."

# ** Not actually guaranteed in any form. In fact, while we're on the subject:
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# In case you haven't figured it out: yes, this script is written tongue-in-cheek.
# You probably shouldn't use it to fix your npm install, or run it at all for that matter.
# I am not reponsible for any bad things that happen to your files if you do.