Use bash.

Step-by-step guide

  1. . ~/.bash_profile
  2. nvm use
  3. npm update -g
  4. npm install
    1. This will modify package-lock.json


.bash_profile should have the following:

export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion