jakekoui-MacBook-Pro:~ jake.ko$ sudo npm install -g npm@5.10.0
/usr/local/bin/npm -> /usr/local/lib/node_modules/npm/bin/npm-cli.js
/usr/local/bin/npx -> /usr/local/lib/node_modules/npm/bin/npx-cli.js
+ npm@5.10.0
added 39 packages from 16 contributors, removed 156 packages and updated 28 packages in 34.523s
jakekoui-MacBook-Pro:~ jake.ko$