On npm install: Unhandled rejection Error: EACCES: permission denied

Question

I have managed to corrupt my npm install, and whenever I try to install packages using npm install, I receive error messages along these lines:

Answer 1

change ownership

sudo chown -R $USER:$GROUP ~/.npm
sudo chown -R $USER:$GROUP ~/.config 

worked for as i installed package using sudo

Answer 2

Simply run on terminal : sudo chown -R $(whoami) ~/.npm

This worked for me !!

Answer 3

Restore ownership of the user's npm related folders, to the current user, like this:

sudo chown -R $USER:$GROUP ~/.npm
sudo chown -R $USER:$GROUP ~/.config

Answer 4

Simply do sudo npm cache clean --force --unsafe-perm and npm i will go normally.