npm ERR! code: 'EACCES', code example

Example: npm ERR! code EACCES

sudo chown -R $USER ~/.npm
sudo chown -R $USER /usr/local/lib/node_modules
npm config set unsafe-perm=true

// or read this article if this not work 

https://docs.forestadmin.com/documentation/how-tos/setup/prevent-permission-errors-at-installation