npm vs npm5

npm-vs-npm5.sh

#!/bin/bash 

function clearCaches {
  # Clear npm cache
  npm cache clean
  
  # Clear npm5 cache
  npm5 cache clear --force
}

# Clear all caches
clearCaches

# Create dumb directory and init a package.json
mkdir npm-vs-npm5 && cd npm-vs-npm5 && npm init -y

# Run npm test. 
time npm install react react-dom lodash express webpack babel-core babel-cli immutable --save

# Clear all caches
clearCaches

# Remove node_modules
rm -rf node_modules

# Run npm5 test. 
# Note: you must have npm5 installed. If not, run :
# npm i -g npm5
time npm5 install react react-dom lodash express webpack babel-core babel-cli immutable

# Enjoy the results ⚡️🔥

Great