audiocommons / mediator-v2-demos Goto Github PK

solved following this procedure:

Back up your computer...
On the command line, in your home directory, create a directory for global installations:
mkdir ~/.npm-global
Configure npm to use the new directory path:
npm config set prefix '~/.npm-global'
In your preferred text editor, open or create a ~/.profile file and add this line:
export PATH=~/.npm-global/bin:$PATH
On the command line, update your system variables:
source ~/.profile

(https://docs.npmjs.com/resolving-eacces-permissions-errors-when-installing-packages-globally)